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nest-open-source / nest-cam / 4320010 / ncurses / refs/heads/master / . / ncurses / ncurses / tinfo / tinfo_driver.c
blob: c6a1c22b66bfefd90c3645d0f43efcef5c2e5dd6 [file] [log] [blame]
/****************************************************************************
* Copyright (c) 2008-2014,2015 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* "Software"), to deal in the Software without restriction, including *
* without limitation the rights to use, copy, modify, merge, publish, *
* distribute, distribute with modifications, sublicense, and/or sell *
* copies of the Software, and to permit persons to whom the Software is *
* furnished to do so, subject to the following conditions: *
* *
* 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 ABOVE COPYRIGHT HOLDERS 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(s) of the above copyright *
* holders shall not be used in advertising or otherwise to promote the *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************/
/****************************************************************************
* Author: Juergen Pfeifer *
* *
****************************************************************************/
#include <curses.priv.h>
#define CUR ((TERMINAL*)TCB)->type.
#include <tic.h>
#if HAVE_NANOSLEEP
#include <time.h>
#if HAVE_SYS_TIME_H
#include <sys/time.h> /* needed for MacOS X DP3 */
#endif
#endif
#if HAVE_SIZECHANGE
# if !defined(sun) || !TERMIOS
# if HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
# endif
# endif
#endif
MODULE_ID("$Id: tinfo_driver.c,v 1.40 2015/06/27 01:20:41 tom Exp $")
/*
* SCO defines TIOCGSIZE and the corresponding struct. Other systems (SunOS,
* Solaris, IRIX) define TIOCGWINSZ and struct winsize.
*/
#ifdef TIOCGSIZE
# define IOCTL_WINSIZE TIOCGSIZE
# define STRUCT_WINSIZE struct ttysize
# define WINSIZE_ROWS(n) (int)n.ts_lines
# define WINSIZE_COLS(n) (int)n.ts_cols
#else
# ifdef TIOCGWINSZ
# define IOCTL_WINSIZE TIOCGWINSZ
# define STRUCT_WINSIZE struct winsize
# define WINSIZE_ROWS(n) (int)n.ws_row
# define WINSIZE_COLS(n) (int)n.ws_col
# endif
#endif
/*
* These should be screen structure members. They need to be globals for
* historical reasons. So we assign them in start_color() and also in
* set_term()'s screen-switching logic.
*/
#if USE_REENTRANT
NCURSES_EXPORT(int)
NCURSES_PUBLIC_VAR(COLOR_PAIRS) (void)
{
return CURRENT_SCREEN ? CURRENT_SCREEN->_pair_count : -1;
}
NCURSES_EXPORT(int)
NCURSES_PUBLIC_VAR(COLORS) (void)
{
return CURRENT_SCREEN ? CURRENT_SCREEN->_color_count : -1;
}
#else
NCURSES_EXPORT_VAR(int) COLOR_PAIRS = 0;
NCURSES_EXPORT_VAR(int) COLORS = 0;
#endif
#define TCBMAGIC NCDRV_MAGIC(NCDRV_TINFO)
#define AssertTCB() assert(TCB!=0 && TCB->magic==TCBMAGIC)
#define SetSP() assert(TCB->csp!=0); sp = TCB->csp; (void) sp
/*
* This routine needs to do all the work to make curscr look
* like newscr.
*/
static int
drv_doupdate(TERMINAL_CONTROL_BLOCK * TCB)
{
AssertTCB();
return TINFO_DOUPDATE(TCB->csp);
}
static const char *
drv_Name(TERMINAL_CONTROL_BLOCK * TCB)
{
(void) TCB;
return "tinfo";
}
#undef SETUP_FAIL
#define SETUP_FAIL FALSE
static bool
drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB, const char *tname, int *errret)
{
bool result = FALSE;
int status;
TERMINAL *termp;
SCREEN *sp;
START_TRACE();
T((T_CALLED("tinfo::drv_CanHandle(%p)"), TCB));
assert(TCB != 0 && tname != 0);
termp = (TERMINAL *) TCB;
sp = TCB->csp;
TCB->magic = TCBMAGIC;
#if (NCURSES_USE_DATABASE || NCURSES_USE_TERMCAP)
status = _nc_setup_tinfo(tname, &termp->type);
#else
status = TGETENT_NO;
#endif
/* try fallback list if entry on disk */
if (status != TGETENT_YES) {
const TERMTYPE *fallback = _nc_fallback(tname);
if (fallback) {
termp->type = *fallback;
status = TGETENT_YES;
}
}
if (status != TGETENT_YES) {
NCURSES_SP_NAME(del_curterm) (NCURSES_SP_ARGx termp);
if (status == TGETENT_ERR) {
ret_error0(status, "terminals database is inaccessible\n");
} else if (status == TGETENT_NO) {
ret_error1(status, "unknown terminal type.\n", tname);
}
}
result = TRUE;
#if !USE_REENTRANT
strncpy(ttytype, termp->type.term_names, (size_t) NAMESIZE - 1);
ttytype[NAMESIZE - 1] = '\0';
#endif
if (command_character)
_nc_tinfo_cmdch(termp, *command_character);
if (generic_type) {
/*
* BSD 4.3's termcap contains mis-typed "gn" for wy99. Do a sanity
* check before giving up.
*/
if ((VALID_STRING(cursor_address)
|| (VALID_STRING(cursor_down) && VALID_STRING(cursor_home)))
&& VALID_STRING(clear_screen)) {
ret_error1(TGETENT_YES, "terminal is not really generic.\n", tname);
} else {
ret_error1(TGETENT_NO, "I need something more specific.\n", tname);
}
}
if (hard_copy) {
ret_error1(TGETENT_YES, "I can't handle hardcopy terminals.\n", tname);
}
returnBool(result);
}
static int
drv_dobeepflash(TERMINAL_CONTROL_BLOCK * TCB, int beepFlag)
{
SCREEN *sp;
int res = ERR;
AssertTCB();
SetSP();
/* FIXME: should make sure that we are not in altchar mode */
if (beepFlag) {
if (bell) {
res = NCURSES_PUTP2("bell", bell);
NCURSES_SP_NAME(_nc_flush) (sp);
} else if (flash_screen) {
res = NCURSES_PUTP2("flash_screen", flash_screen);
NCURSES_SP_NAME(_nc_flush) (sp);
}
} else {
if (flash_screen) {
res = NCURSES_PUTP2("flash_screen", flash_screen);
NCURSES_SP_NAME(_nc_flush) (sp);
} else if (bell) {
res = NCURSES_PUTP2("bell", bell);
NCURSES_SP_NAME(_nc_flush) (sp);
}
}
return res;
}
/*
* SVr4 curses is known to interchange color codes (1,4) and (3,6), possibly
* to maintain compatibility with a pre-ANSI scheme. The same scheme is
* also used in the FreeBSD syscons.
*/
static int
toggled_colors(int c)
{
if (c < 16) {
static const int table[] =
{0, 4, 2, 6, 1, 5, 3, 7,
8, 12, 10, 14, 9, 13, 11, 15};
c = table[c];
}
return c;
}
static int
drv_print(TERMINAL_CONTROL_BLOCK * TCB, char *data, int len)
{
SCREEN *sp;
AssertTCB();
SetSP();
#if NCURSES_EXT_FUNCS
return NCURSES_SP_NAME(mcprint) (TCB->csp, data, len);
#else
return ERR;
#endif
}
static int
drv_defaultcolors(TERMINAL_CONTROL_BLOCK * TCB, int fg, int bg)
{
SCREEN *sp;
int code = ERR;
AssertTCB();
SetSP();
if (sp != 0 && orig_pair && orig_colors && (initialize_pair != 0)) {
#if NCURSES_EXT_FUNCS
sp->_default_color = isDefaultColor(fg) || isDefaultColor(bg);
sp->_has_sgr_39_49 = (NCURSES_SP_NAME(tigetflag) (NCURSES_SP_ARGx
"AX")
== TRUE);
sp->_default_fg = isDefaultColor(fg) ? COLOR_DEFAULT : (fg & C_MASK);
sp->_default_bg = isDefaultColor(bg) ? COLOR_DEFAULT : (bg & C_MASK);
if (sp->_color_pairs != 0) {
bool save = sp->_default_color;
sp->_default_color = TRUE;
NCURSES_SP_NAME(init_pair) (NCURSES_SP_ARGx
0,
(short)fg,
(short)bg);
sp->_default_color = save;
}
#endif
code = OK;
}
return (code);
}
static void
drv_setcolor(TERMINAL_CONTROL_BLOCK * TCB,
int fore,
int color,
NCURSES_SP_OUTC outc)
{
SCREEN *sp;
AssertTCB();
SetSP();
if (fore) {
if (set_a_foreground) {
TPUTS_TRACE("set_a_foreground");
NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
TPARM_1(set_a_foreground, color), 1, outc);
} else {
TPUTS_TRACE("set_foreground");
NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
TPARM_1(set_foreground,
toggled_colors(color)), 1, outc);
}
} else {
if (set_a_background) {
TPUTS_TRACE("set_a_background");
NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
TPARM_1(set_a_background, color), 1, outc);
} else {
TPUTS_TRACE("set_background");
NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
TPARM_1(set_background,
toggled_colors(color)), 1, outc);
}
}
}
static bool
drv_rescol(TERMINAL_CONTROL_BLOCK * TCB)
{
bool result = FALSE;
SCREEN *sp;
AssertTCB();
SetSP();
if (orig_pair != 0) {
NCURSES_PUTP2("orig_pair", orig_pair);
result = TRUE;
}
return result;
}
static bool
drv_rescolors(TERMINAL_CONTROL_BLOCK * TCB)
{
int result = FALSE;
SCREEN *sp;
AssertTCB();
SetSP();
if (orig_colors != 0) {
NCURSES_PUTP2("orig_colors", orig_colors);
result = TRUE;
}
return result;
}
static int
drv_size(TERMINAL_CONTROL_BLOCK * TCB, int *linep, int *colp)
{
SCREEN *sp;
bool useEnv = TRUE;
bool useTioctl = TRUE;
AssertTCB();
sp = TCB->csp; /* can be null here */
if (sp) {
useEnv = sp->_use_env;
useTioctl = sp->_use_tioctl;
} else {
useEnv = _nc_prescreen.use_env;
useTioctl = _nc_prescreen.use_tioctl;
}
/* figure out the size of the screen */
T(("screen size: terminfo lines = %d columns = %d", lines, columns));
*linep = (int) lines;
*colp = (int) columns;
if (useEnv || useTioctl) {
int value;
#ifdef __EMX__
{
int screendata[2];
_scrsize(screendata);
*colp = screendata[0];
*linep = ((sp != 0 && sp->_filtered)
? 1
: screendata[1]);
T(("EMX screen size: environment LINES = %d COLUMNS = %d",
*linep, *colp));
}
#endif
#if HAVE_SIZECHANGE
/* try asking the OS */
{
TERMINAL *termp = (TERMINAL *) TCB;
if (NC_ISATTY(termp->Filedes)) {
STRUCT_WINSIZE size;
errno = 0;
do {
if (ioctl(termp->Filedes, IOCTL_WINSIZE, &size) >= 0) {
*linep = ((sp != 0 && sp->_filtered)
? 1
: WINSIZE_ROWS(size));
*colp = WINSIZE_COLS(size);
T(("SYS screen size: environment LINES = %d COLUMNS = %d",
*linep, *colp));
break;
}
} while
(errno == EINTR);
}
}
#endif /* HAVE_SIZECHANGE */
if (useEnv) {
if (useTioctl) {
/*
* If environment variables are used, update them.
*/
if ((sp == 0 || !sp->_filtered) && _nc_getenv_num("LINES") > 0) {
_nc_setenv_num("LINES", *linep);
}
if (_nc_getenv_num("COLUMNS") > 0) {
_nc_setenv_num("COLUMNS", *colp);
}
}
/*
* Finally, look for environment variables.
*
* Solaris lets users override either dimension with an environment
* variable.
*/
if ((value = _nc_getenv_num("LINES")) > 0) {
*linep = value;
T(("screen size: environment LINES = %d", *linep));
}
if ((value = _nc_getenv_num("COLUMNS")) > 0) {
*colp = value;
T(("screen size: environment COLUMNS = %d", *colp));
}
}
/* if we can't get dynamic info about the size, use static */
if (*linep <= 0) {
*linep = (int) lines;
}
if (*colp <= 0) {
*colp = (int) columns;
}
/* the ultimate fallback, assume fixed 24x80 size */
if (*linep <= 0) {
*linep = 24;
}
if (*colp <= 0) {
*colp = 80;
}
/*
* Put the derived values back in the screen-size caps, so
* tigetnum() and tgetnum() will do the right thing.
*/
lines = (short) (*linep);
columns = (short) (*colp);
}
T(("screen size is %dx%d", *linep, *colp));
return OK;
}
static int
drv_getsize(TERMINAL_CONTROL_BLOCK * TCB, int *l, int *c)
{
AssertTCB();
assert(l != 0 && c != 0);
*l = lines;
*c = columns;
return OK;
}
static int
drv_setsize(TERMINAL_CONTROL_BLOCK * TCB, int l, int c)
{
AssertTCB();
lines = (short) l;
columns = (short) c;
return OK;
}
static int
drv_sgmode(TERMINAL_CONTROL_BLOCK * TCB, int setFlag, TTY * buf)
{
SCREEN *sp = TCB->csp;
TERMINAL *_term = (TERMINAL *) TCB;
int result = OK;
AssertTCB();
if (setFlag) {
for (;;) {
if (SET_TTY(_term->Filedes, buf) != 0) {
if (errno == EINTR)
continue;
if (errno == ENOTTY) {
if (sp)
sp->_notty = TRUE;
}
result = ERR;
}
break;
}
} else {
for (;;) {
if (GET_TTY(_term->Filedes, buf) != 0) {
if (errno == EINTR)
continue;
result = ERR;
}
break;
}
}
return result;
}
static int
drv_mode(TERMINAL_CONTROL_BLOCK * TCB, int progFlag, int defFlag)
{
SCREEN *sp;
TERMINAL *_term = (TERMINAL *) TCB;
int code = ERR;
AssertTCB();
sp = TCB->csp;
if (progFlag) /* prog mode */
{
if (defFlag) {
/* def_prog_mode */
/*
* Turn off the XTABS bit in the tty structure if it was on.
*/
if ((drv_sgmode(TCB, FALSE, &(_term->Nttyb)) == OK)) {
#ifdef TERMIOS
_term->Nttyb.c_oflag &= (unsigned) ~OFLAGS_TABS;
#else
_term->Nttyb.sg_flags &= (unsigned) ~XTABS;
#endif
code = OK;
}
} else {
/* reset_prog_mode */
if (drv_sgmode(TCB, TRUE, &(_term->Nttyb)) == OK) {
if (sp) {
if (sp->_keypad_on)
_nc_keypad(sp, TRUE);
}
code = OK;
}
}
} else { /* shell mode */
if (defFlag) {
/* def_shell_mode */
/*
* If XTABS was on, remove the tab and backtab capabilities.
*/
if (drv_sgmode(TCB, FALSE, &(_term->Ottyb)) == OK) {
#ifdef TERMIOS
if (_term->Ottyb.c_oflag & OFLAGS_TABS)
tab = back_tab = NULL;
#else
if (_term->Ottyb.sg_flags & XTABS)
tab = back_tab = NULL;
#endif
code = OK;
}
} else {
/* reset_shell_mode */
if (sp) {
_nc_keypad(sp, FALSE);
NCURSES_SP_NAME(_nc_flush) (sp);
}
code = drv_sgmode(TCB, TRUE, &(_term->Ottyb));
}
}
return (code);
}
static void
drv_wrap(SCREEN *sp)
{
if (sp) {
sp->_mouse_wrap(sp);
NCURSES_SP_NAME(_nc_screen_wrap) (sp);
NCURSES_SP_NAME(_nc_mvcur_wrap) (sp); /* wrap up cursor addressing */
}
}
static void
drv_release(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED)
{
}
# define SGR0_TEST(mode) (mode != 0) && (exit_attribute_mode == 0 || strcmp(mode, exit_attribute_mode))
static void
drv_screen_init(SCREEN *sp)
{
TERMINAL_CONTROL_BLOCK *TCB = TCBOf(sp);
AssertTCB();
/*
* Check for mismatched graphic-rendition capabilities. Most SVr4
* terminfo trees contain entries that have rmul or rmso equated to
* sgr0 (Solaris curses copes with those entries). We do this only
* for curses, since many termcap applications assume that
* smso/rmso and smul/rmul are paired, and will not function
* properly if we remove rmso or rmul. Curses applications
* shouldn't be looking at this detail.
*/
sp->_use_rmso = SGR0_TEST(exit_standout_mode);
sp->_use_rmul = SGR0_TEST(exit_underline_mode);
/*
* Check whether we can optimize scrolling under dumb terminals in
* case we do not have any of these capabilities, scrolling
* optimization will be useless.
*/
sp->_scrolling = ((scroll_forward && scroll_reverse) ||
((parm_rindex ||
parm_insert_line ||
insert_line) &&
(parm_index ||
parm_delete_line ||
delete_line)));
NCURSES_SP_NAME(baudrate) (sp);
NCURSES_SP_NAME(_nc_mvcur_init) (sp);
/* initialize terminal to a sane state */
NCURSES_SP_NAME(_nc_screen_init) (sp);
}
static void
drv_init(TERMINAL_CONTROL_BLOCK * TCB)
{
TERMINAL *trm;
AssertTCB();
trm = (TERMINAL *) TCB;
TCB->info.initcolor = VALID_STRING(initialize_color);
TCB->info.canchange = can_change;
TCB->info.hascolor = ((VALID_NUMERIC(max_colors) && VALID_NUMERIC(max_pairs)
&& (((set_foreground != NULL)
&& (set_background != NULL))
|| ((set_a_foreground != NULL)
&& (set_a_background != NULL))
|| set_color_pair)) ? TRUE : FALSE);
TCB->info.caninit = !(exit_ca_mode && non_rev_rmcup);
TCB->info.maxpairs = VALID_NUMERIC(max_pairs) ? max_pairs : 0;
TCB->info.maxcolors = VALID_NUMERIC(max_colors) ? max_colors : 0;
TCB->info.numlabels = VALID_NUMERIC(num_labels) ? num_labels : 0;
TCB->info.labelwidth = VALID_NUMERIC(label_width) ? label_width : 0;
TCB->info.labelheight = VALID_NUMERIC(label_height) ? label_height : 0;
TCB->info.nocolorvideo = VALID_NUMERIC(no_color_video) ? no_color_video
: 0;
TCB->info.tabsize = VALID_NUMERIC(init_tabs) ? (int) init_tabs : 8;
TCB->info.defaultPalette = hue_lightness_saturation ? _nc_hls_palette : _nc_cga_palette;
/*
* If an application calls setupterm() rather than initscr() or
* newterm(), we will not have the def_prog_mode() call in
* _nc_setupscreen(). Do it now anyway, so we can initialize the
* baudrate.
*/
if (NC_ISATTY(trm->Filedes)) {
TCB->drv->td_mode(TCB, TRUE, TRUE);
}
}
#define MAX_PALETTE 8
#define InPalette(n) ((n) >= 0 && (n) < MAX_PALETTE)
static void
drv_initpair(TERMINAL_CONTROL_BLOCK * TCB, int pair, int f, int b)
{
SCREEN *sp;
AssertTCB();
SetSP();
if ((initialize_pair != NULL) && InPalette(f) && InPalette(b)) {
const color_t *tp = InfoOf(sp).defaultPalette;
TR(TRACE_ATTRS,
("initializing pair: pair = %d, fg=(%d,%d,%d), bg=(%d,%d,%d)",
pair,
tp[f].red, tp[f].green, tp[f].blue,
tp[b].red, tp[b].green, tp[b].blue));
NCURSES_PUTP2("initialize_pair",
TPARM_7(initialize_pair,
pair,
tp[f].red, tp[f].green, tp[f].blue,
tp[b].red, tp[b].green, tp[b].blue));
}
}
static int
default_fg(SCREEN *sp)
{
#if NCURSES_EXT_FUNCS
return (sp != 0) ? sp->_default_fg : COLOR_WHITE;
#else
return COLOR_WHITE;
#endif
}
static int
default_bg(SCREEN *sp)
{
#if NCURSES_EXT_FUNCS
return sp != 0 ? sp->_default_bg : COLOR_BLACK;
#else
return COLOR_BLACK;
#endif
}
static void
drv_initcolor(TERMINAL_CONTROL_BLOCK * TCB,
int color, int r, int g, int b)
{
SCREEN *sp = TCB->csp;
AssertTCB();
if (initialize_color != NULL) {
NCURSES_PUTP2("initialize_color",
TPARM_4(initialize_color, color, r, g, b));
}
}
static void
drv_do_color(TERMINAL_CONTROL_BLOCK * TCB,
int old_pair,
int pair,
int reverse,
NCURSES_SP_OUTC outc)
{
SCREEN *sp = TCB->csp;
NCURSES_COLOR_T fg = COLOR_DEFAULT;
NCURSES_COLOR_T bg = COLOR_DEFAULT;
NCURSES_COLOR_T old_fg, old_bg;
AssertTCB();
if (sp == 0)
return;
if (pair < 0 || pair >= COLOR_PAIRS) {
return;
} else if (pair != 0) {
if (set_color_pair) {
TPUTS_TRACE("set_color_pair");
NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
TPARM_1(set_color_pair, pair), 1, outc);
return;
} else if (sp != 0) {
NCURSES_SP_NAME(pair_content) (NCURSES_SP_ARGx
(short) pair,
&fg,
&bg);
}
}
if (old_pair >= 0
&& sp != 0
&& NCURSES_SP_NAME(pair_content) (NCURSES_SP_ARGx
(short) old_pair,
&old_fg,
&old_bg) !=ERR) {
if ((isDefaultColor(fg) && !isDefaultColor(old_fg))
|| (isDefaultColor(bg) && !isDefaultColor(old_bg))) {
#if NCURSES_EXT_FUNCS
/*
* A minor optimization - but extension. If "AX" is specified in
* the terminal description, treat it as screen's indicator of ECMA
* SGR 39 and SGR 49, and assume the two sequences are independent.
*/
if (sp->_has_sgr_39_49
&& isDefaultColor(old_bg)
&& !isDefaultColor(old_fg)) {
NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx "\033[39m", 1, outc);
} else if (sp->_has_sgr_39_49
&& isDefaultColor(old_fg)
&& !isDefaultColor(old_bg)) {
NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx "\033[49m", 1, outc);
} else
#endif
drv_rescol(TCB);
}
} else {
drv_rescol(TCB);
if (old_pair < 0)
return;
}
#if NCURSES_EXT_FUNCS
if (isDefaultColor(fg))
fg = (NCURSES_COLOR_T) default_fg(sp);
if (isDefaultColor(bg))
bg = (NCURSES_COLOR_T) default_bg(sp);
#endif
if (reverse) {
NCURSES_COLOR_T xx = fg;
fg = bg;
bg = xx;
}
TR(TRACE_ATTRS, ("setting colors: pair = %d, fg = %d, bg = %d", pair,
fg, bg));
if (!isDefaultColor(fg)) {
drv_setcolor(TCB, TRUE, fg, outc);
}
if (!isDefaultColor(bg)) {
drv_setcolor(TCB, FALSE, bg, outc);
}
}
#define xterm_kmous "\033[M"
static void
init_xterm_mouse(SCREEN *sp)
{
sp->_mouse_type = M_XTERM;
sp->_mouse_xtermcap = NCURSES_SP_NAME(tigetstr) (NCURSES_SP_ARGx "XM");
if (!VALID_STRING(sp->_mouse_xtermcap))
sp->_mouse_xtermcap = "\033[?1000%?%p1%{1}%=%th%el%;";
}
static void
drv_initmouse(TERMINAL_CONTROL_BLOCK * TCB)
{
SCREEN *sp;
AssertTCB();
SetSP();
/* we know how to recognize mouse events under "xterm" */
if (sp != 0) {
if (key_mouse != 0) {
if (!strcmp(key_mouse, xterm_kmous)
|| strstr(TerminalOf(sp)->type.term_names, "xterm") != 0) {
init_xterm_mouse(sp);
}
} else if (strstr(TerminalOf(sp)->type.term_names, "xterm") != 0) {
if (_nc_add_to_try(&(sp->_keytry), xterm_kmous, KEY_MOUSE) == OK)
init_xterm_mouse(sp);
}
}
}
static int
drv_testmouse(TERMINAL_CONTROL_BLOCK * TCB,
int delay
EVENTLIST_2nd(_nc_eventlist * evl))
{
int rc = 0;
SCREEN *sp;
AssertTCB();
SetSP();
#if USE_SYSMOUSE
if ((sp->_mouse_type == M_SYSMOUSE)
&& (sp->_sysmouse_head < sp->_sysmouse_tail)) {
rc = TW_MOUSE;
} else
#endif
{
rc = TCBOf(sp)->drv->td_twait(TCBOf(sp),
TWAIT_MASK,
delay,
(int *) 0
EVENTLIST_2nd(evl));
#if USE_SYSMOUSE
if ((sp->_mouse_type == M_SYSMOUSE)
&& (sp->_sysmouse_head < sp->_sysmouse_tail)
&& (rc == 0)
&& (errno == EINTR)) {
rc |= TW_MOUSE;
}
#endif
}
return rc;
}
static int
drv_mvcur(TERMINAL_CONTROL_BLOCK * TCB, int yold, int xold, int ynew, int xnew)
{
SCREEN *sp = TCB->csp;
AssertTCB();
return NCURSES_SP_NAME(_nc_mvcur) (sp, yold, xold, ynew, xnew);
}
static void
drv_hwlabel(TERMINAL_CONTROL_BLOCK * TCB, int labnum, char *text)
{
SCREEN *sp = TCB->csp;
AssertTCB();
if (labnum > 0 && labnum <= num_labels) {
NCURSES_PUTP2("plab_norm",
TPARM_2(plab_norm, labnum, text));
}
}
static void
drv_hwlabelOnOff(TERMINAL_CONTROL_BLOCK * TCB, int OnFlag)
{
SCREEN *sp = TCB->csp;
AssertTCB();
if (OnFlag) {
NCURSES_PUTP2("label_on", label_on);
} else {
NCURSES_PUTP2("label_off", label_off);
}
}
static chtype
drv_conattr(TERMINAL_CONTROL_BLOCK * TCB)
{
SCREEN *sp = TCB->csp;
chtype attrs = A_NORMAL;
AssertTCB();
if (enter_alt_charset_mode)
attrs |= A_ALTCHARSET;
if (enter_blink_mode)
attrs |= A_BLINK;
if (enter_bold_mode)
attrs |= A_BOLD;
if (enter_dim_mode)
attrs |= A_DIM;
if (enter_reverse_mode)
attrs |= A_REVERSE;
if (enter_standout_mode)
attrs |= A_STANDOUT;
if (enter_protected_mode)
attrs |= A_PROTECT;
if (enter_secure_mode)
attrs |= A_INVIS;
if (enter_underline_mode)
attrs |= A_UNDERLINE;
if (sp && sp->_coloron)
attrs |= A_COLOR;
#if USE_ITALIC
if (enter_italics_mode)
attrs |= A_ITALIC;
#endif
return (attrs);
}
static void
drv_setfilter(TERMINAL_CONTROL_BLOCK * TCB)
{
AssertTCB();
clear_screen = 0;
cursor_down = parm_down_cursor = 0;
cursor_address = 0;
cursor_up = parm_up_cursor = 0;
row_address = 0;
cursor_home = carriage_return;
}
static void
drv_initacs(TERMINAL_CONTROL_BLOCK * TCB, chtype *real_map, chtype *fake_map)
{
SCREEN *sp = TCB->csp;
AssertTCB();
assert(sp != 0);
if (ena_acs != NULL) {
NCURSES_PUTP2("ena_acs", ena_acs);
}
#if NCURSES_EXT_FUNCS
/*
* Linux console "supports" the "PC ROM" character set by the coincidence
* that smpch/rmpch and smacs/rmacs have the same values. ncurses has
* no codepage support (see SCO Merge for an example). Outside of the
* values defined in acsc, there are no definitions for the "PC ROM"
* character set (assumed by some applications to be codepage 437), but we
* allow those applications to use those codepoints.
*
* test/blue.c uses this feature.
*/
#define PCH_KLUDGE(a,b) (a != 0 && b != 0 && !strcmp(a,b))
if (PCH_KLUDGE(enter_pc_charset_mode, enter_alt_charset_mode) &&
PCH_KLUDGE(exit_pc_charset_mode, exit_alt_charset_mode)) {
size_t i;
for (i = 1; i < ACS_LEN; ++i) {
if (real_map[i] == 0) {
real_map[i] = (chtype) i;
if (real_map != fake_map) {
if (sp != 0)
sp->_screen_acs_map[i] = TRUE;
}
}
}
}
#endif
if (acs_chars != NULL) {
size_t i = 0;
size_t length = strlen(acs_chars);
while (i + 1 < length) {
if (acs_chars[i] != 0 && UChar(acs_chars[i]) < ACS_LEN) {
real_map[UChar(acs_chars[i])] = UChar(acs_chars[i + 1]) | A_ALTCHARSET;
if (sp != 0)
sp->_screen_acs_map[UChar(acs_chars[i])] = TRUE;
}
i += 2;
}
}
#ifdef TRACE
/* Show the equivalent mapping, noting if it does not match the
* given attribute, whether by re-ordering or duplication.
*/
if (USE_TRACEF(TRACE_CALLS)) {
size_t n, m;
char show[ACS_LEN * 2 + 1];
for (n = 1, m = 0; n < ACS_LEN; n++) {
if (real_map[n] != 0) {
show[m++] = (char) n;
show[m++] = (char) ChCharOf(real_map[n]);
}
}
show[m] = 0;
if (acs_chars == NULL || strcmp(acs_chars, show))
_tracef("%s acs_chars %s",
(acs_chars == NULL) ? "NULL" : "READ",
_nc_visbuf(acs_chars));
_tracef("%s acs_chars %s",
(acs_chars == NULL)
? "NULL"
: (strcmp(acs_chars, show)
? "DIFF"
: "SAME"),
_nc_visbuf(show));
_nc_unlock_global(tracef);
}
#endif /* TRACE */
}
#define ENSURE_TINFO(sp) (TCBOf(sp)->drv->isTerminfo)
NCURSES_EXPORT(void)
_nc_cookie_init(SCREEN *sp)
{
bool support_cookies = USE_XMC_SUPPORT;
TERMINAL_CONTROL_BLOCK *TCB = (TERMINAL_CONTROL_BLOCK *) (sp->_term);
if (sp == 0 || !ENSURE_TINFO(sp))
return;
#if USE_XMC_SUPPORT
/*
* If we have no magic-cookie support compiled-in, or if it is suppressed
* in the environment, reset the support-flag.
*/
if (magic_cookie_glitch >= 0) {
if (getenv("NCURSES_NO_MAGIC_COOKIE") != 0) {
support_cookies = FALSE;
}
}
#endif
if (!support_cookies && magic_cookie_glitch >= 0) {
T(("will disable attributes to work w/o magic cookies"));
}
if (magic_cookie_glitch > 0) { /* tvi, wyse */
sp->_xmc_triggers = sp->_ok_attributes & XMC_CONFLICT;
#if 0
/*
* We "should" treat colors as an attribute. The wyse350 (and its
* clones) appear to be the only ones that have both colors and magic
* cookies.
*/
if (has_colors()) {
sp->_xmc_triggers |= A_COLOR;
}
#endif
sp->_xmc_suppress = sp->_xmc_triggers & (chtype) ~(A_BOLD);
T(("magic cookie attributes %s", _traceattr(sp->_xmc_suppress)));
/*
* Supporting line-drawing may be possible. But make the regular
* video attributes work first.
*/
acs_chars = ABSENT_STRING;
ena_acs = ABSENT_STRING;
enter_alt_charset_mode = ABSENT_STRING;
exit_alt_charset_mode = ABSENT_STRING;
#if USE_XMC_SUPPORT
/*
* To keep the cookie support simple, suppress all of the optimization
* hooks except for clear_screen and the cursor addressing.
*/
if (support_cookies) {
clr_eol = ABSENT_STRING;
clr_eos = ABSENT_STRING;
set_attributes = ABSENT_STRING;
}
#endif
} else if (magic_cookie_glitch == 0) { /* hpterm */
}
/*
* If magic cookies are not supported, cancel the strings that set
* video attributes.
*/
if (!support_cookies && magic_cookie_glitch >= 0) {
magic_cookie_glitch = ABSENT_NUMERIC;
set_attributes = ABSENT_STRING;
enter_blink_mode = ABSENT_STRING;
enter_bold_mode = ABSENT_STRING;
enter_dim_mode = ABSENT_STRING;
enter_reverse_mode = ABSENT_STRING;
enter_standout_mode = ABSENT_STRING;
enter_underline_mode = ABSENT_STRING;
}
/* initialize normal acs before wide, since we use mapping in the latter */
#if !USE_WIDEC_SUPPORT
if (_nc_unicode_locale() && _nc_locale_breaks_acs(sp->_term)) {
acs_chars = NULL;
ena_acs = NULL;
enter_alt_charset_mode = NULL;
exit_alt_charset_mode = NULL;
set_attributes = NULL;
}
#endif
}
static int
drv_twait(TERMINAL_CONTROL_BLOCK * TCB,
int mode,
int milliseconds,
int *timeleft
EVENTLIST_2nd(_nc_eventlist * evl))
{
SCREEN *sp;
AssertTCB();
SetSP();
return _nc_timed_wait(sp, mode, milliseconds, timeleft EVENTLIST_2nd(evl));
}
static int
drv_read(TERMINAL_CONTROL_BLOCK * TCB, int *buf)
{
SCREEN *sp;
unsigned char c2 = 0;
int n;
AssertTCB();
assert(buf);
SetSP();
# if USE_PTHREADS_EINTR
if ((pthread_self) && (pthread_kill) && (pthread_equal))
_nc_globals.read_thread = pthread_self();
# endif
n = (int) read(sp->_ifd, &c2, (size_t) 1);
#if USE_PTHREADS_EINTR
_nc_globals.read_thread = 0;
#endif
*buf = (int) c2;
return n;
}
static int
drv_nap(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED, int ms)
{
#if HAVE_NANOSLEEP
{
struct timespec request, remaining;
request.tv_sec = ms / 1000;
request.tv_nsec = (ms % 1000) * 1000000;
while (nanosleep(&request, &remaining) == -1
&& errno == EINTR) {
request = remaining;
}
}
#else
_nc_timed_wait(0, 0, ms, (int *) 0 EVENTLIST_2nd(0));
#endif
return OK;
}
static int
__nc_putp(SCREEN *sp, const char *name GCC_UNUSED, const char *value)
{
int rc = ERR;
if (value) {
rc = NCURSES_PUTP2(name, value);
}
return rc;
}
static int
__nc_putp_flush(SCREEN *sp, const char *name, const char *value)
{
int rc = __nc_putp(sp, name, value);
if (rc != ERR) {
NCURSES_SP_NAME(_nc_flush) (sp);
}
return rc;
}
static int
drv_kpad(TERMINAL_CONTROL_BLOCK * TCB, int flag)
{
int ret = ERR;
SCREEN *sp;
AssertTCB();
sp = TCB->csp;
if (sp) {
if (flag) {
(void) __nc_putp_flush(sp, "keypad_xmit", keypad_xmit);
} else if (!flag && keypad_local) {
(void) __nc_putp_flush(sp, "keypad_local", keypad_local);
}
if (flag && !sp->_tried) {
_nc_init_keytry(sp);
sp->_tried = TRUE;
}
ret = OK;
}
return ret;
}
static int
drv_keyok(TERMINAL_CONTROL_BLOCK * TCB, int c, int flag)
{
SCREEN *sp;
int code = ERR;
int count = 0;
char *s;
AssertTCB();
SetSP();
if (c >= 0) {
unsigned ch = (unsigned) c;
if (flag) {
while ((s = _nc_expand_try(sp->_key_ok,
ch, &count, (size_t) 0)) != 0
&& _nc_remove_key(&(sp->_key_ok), ch)) {
code = _nc_add_to_try(&(sp->_keytry), s, ch);
free(s);
count = 0;
if (code != OK)
break;
}
} else {
while ((s = _nc_expand_try(sp->_keytry,
ch, &count, (size_t) 0)) != 0
&& _nc_remove_key(&(sp->_keytry), ch)) {
code = _nc_add_to_try(&(sp->_key_ok), s, ch);
free(s);
count = 0;
if (code != OK)
break;
}
}
}
return (code);
}
static int
drv_cursorSet(TERMINAL_CONTROL_BLOCK * TCB, int vis)
{
SCREEN *sp;
int code = ERR;
AssertTCB();
SetSP();
T((T_CALLED("tinfo:drv_cursorSet(%p,%d)"), (void *) SP_PARM, vis));
if (SP_PARM != 0 && IsTermInfo(SP_PARM)) {
switch (vis) {
case 2:
code = NCURSES_PUTP2_FLUSH("cursor_visible", cursor_visible);
break;
case 1:
code = NCURSES_PUTP2_FLUSH("cursor_normal", cursor_normal);
break;
case 0:
code = NCURSES_PUTP2_FLUSH("cursor_invisible", cursor_invisible);
break;
}
} else {
code = ERR;
}
returnCode(code);
}
static bool
drv_kyExist(TERMINAL_CONTROL_BLOCK * TCB, int key)
{
bool res = FALSE;
AssertTCB();
if (TCB->csp)
res = TINFO_HAS_KEY(TCB->csp, key) == 0 ? FALSE : TRUE;
return res;
}
NCURSES_EXPORT_VAR (TERM_DRIVER) _nc_TINFO_DRIVER = {
TRUE,
drv_Name, /* Name */
drv_CanHandle, /* CanHandle */
drv_init, /* init */
drv_release, /* release */
drv_size, /* size */
drv_sgmode, /* sgmode */
drv_conattr, /* conattr */
drv_mvcur, /* hwcur */
drv_mode, /* mode */
drv_rescol, /* rescol */
drv_rescolors, /* rescolors */
drv_setcolor, /* color */
drv_dobeepflash, /* doBeepOrFlash */
drv_initpair, /* initpair */
drv_initcolor, /* initcolor */
drv_do_color, /* docolor */
drv_initmouse, /* initmouse */
drv_testmouse, /* testmouse */
drv_setfilter, /* setfilter */
drv_hwlabel, /* hwlabel */
drv_hwlabelOnOff, /* hwlabelOnOff */
drv_doupdate, /* update */
drv_defaultcolors, /* defaultcolors */
drv_print, /* print */
drv_getsize, /* getsize */
drv_setsize, /* setsize */
drv_initacs, /* initacs */
drv_screen_init, /* scinit */
drv_wrap, /* scexit */
drv_twait, /* twait */
drv_read, /* read */
drv_nap, /* nap */
drv_kpad, /* kpad */
drv_keyok, /* kyOk */
drv_kyExist, /* kyExist */
drv_cursorSet /* cursorSet */
};