NCURSES_SP_NAME(baudrate) (NCURSES_SP_DCL0)
{
int result;
T((T_CALLED("baudrate(%p)"), (void *) SP_PARM));
/*
* In debugging, allow the environment symbol to override when we're
* redirecting to a file, so we can construct repeatable test-cases
* that take into account costs that depend on baudrate.
*/
#ifdef TRACE
if (IsValidTIScreen(SP_PARM)
&& !NC_ISATTY(fileno(SP_PARM ? SP_PARM->_ofp : stdout))
&& getenv("BAUDRATE") != 0) {
int ret;
if ((ret = _nc_getenv_num("BAUDRATE")) <= 0)
ret = 9600;
ospeed = (NCURSES_OSPEED) _nc_ospeed(ret);
returnCode(ret);
}
#endif
if (IsValidTIScreen(SP_PARM)) {
#ifdef USE_OLD_TTY
result = (int) cfgetospeed(&(TerminalOf(SP_PARM)->Nttyb));
ospeed = (NCURSES_OSPEED) _nc_ospeed(result);
#else /* !USE_OLD_TTY */
#ifdef TERMIOS
ospeed = (NCURSES_OSPEED) cfgetospeed(&(TerminalOf(SP_PARM)->Nttyb));
#else
ospeed = (NCURSES_OSPEED) TerminalOf(SP_PARM)->Nttyb.sg_ospeed;
#endif
result = _nc_baudrate(ospeed);
#endif
TerminalOf(SP_PARM)->_baudrate = result;
} else {
result = ERR;
}
returnCode(result);
}
static bool
allow_gpm_mouse(SCREEN *sp)
{
bool result = FALSE;
#if USE_WEAK_SYMBOLS
/* Danger Robinson: do not use dlopen for libgpm if already loaded */
if ((Gpm_Wgetch)) {
if (!sp->_mouse_gpm_loaded) {
T(("GPM library was already dlopen'd, not by us"));
}
} else
#endif
/* GPM does printf's without checking if stdout is a terminal */
if (NC_ISATTY(fileno(stdout))) {
char *list = getenv("NCURSES_GPM_TERMS");
char *env = getenv("TERM");
if (list != 0) {
if (env != 0) {
result = _nc_name_match(list, env, "|:");
}
} else {
/* GPM checks the beginning of the $TERM variable to decide if it
* should pass xterm events through. There is no real advantage in
* allowing GPM to do this. Recent versions relax that check, and
* pretend that GPM can work with any terminal having the kmous
* capability. Perhaps that works for someone. If so, they can
* set the environment variable (above).
*/
if (env != 0 && strstr(env, "linux") != 0) {
result = TRUE;
}
}
}
return result;
}
static void
initialize_mousetype(SCREEN *sp)
{
T((T_CALLED("initialize_mousetype()")));
/* Try gpm first, because gpm may be configured to run in xterm */
#if USE_GPM_SUPPORT
if (allow_gpm_mouse(sp)) {
if (!sp->_mouse_gpm_loaded) {
#ifdef HAVE_LIBDL
load_gpm_library(sp);
#else /* !HAVE_LIBDL */
sp->_mouse_gpm_found = TRUE;
sp->_mouse_gpm_loaded = TRUE;
#endif
}
/*
* The gpm_fd file-descriptor may be negative (xterm). So we have to
* maintain our notion of whether the mouse connection is active
* without testing the file-descriptor.
*/
if (sp->_mouse_gpm_found && enable_gpm_mouse(sp, TRUE)) {
sp->_mouse_type = M_GPM;
sp->_mouse_fd = *(my_gpm_fd);
T(("GPM mouse_fd %d", sp->_mouse_fd));
returnVoid;
}
}
#endif /* USE_GPM_SUPPORT */
/* OS/2 VIO */
#if USE_EMX_MOUSE
if (!sp->_emxmouse_thread
&& strstr(TerminalOf(sp)->type.term_names, "xterm") == 0
&& key_mouse) {
int handles[2];
if (pipe(handles) < 0) {
perror("mouse pipe error");
returnVoid;
} else {
int rc;
if (!sp->_emxmouse_buttons[0]) {
char *s = getenv("MOUSE_BUTTONS_123");
sp->_emxmouse_buttons[0] = 1;
if (s && strlen(s) >= 3) {
sp->_emxmouse_buttons[1] = s[0] - '0';
sp->_emxmouse_buttons[2] = s[1] - '0';
sp->_emxmouse_buttons[3] = s[2] - '0';
} else {
sp->_emxmouse_buttons[1] = 1;
sp->_emxmouse_buttons[2] = 3;
sp->_emxmouse_buttons[3] = 2;
}
}
sp->_emxmouse_wfd = handles[1];
M_FD(sp) = handles[0];
/* Needed? */
setmode(handles[0], O_BINARY);
setmode(handles[1], O_BINARY);
/* Do not use CRT functions, we may single-threaded. */
rc = DosCreateThread((unsigned long *) &sp->_emxmouse_thread,
mouse_server, (long) sp, 0, 8192);
if (rc) {
printf("mouse thread error %d=%#x", rc, rc);
} else {
sp->_mouse_type = M_XTERM;
}
returnVoid;
}
}
#endif /* USE_EMX_MOUSE */
#if USE_SYSMOUSE
{
struct mouse_info the_mouse;
char *the_device = 0;
if (NC_ISATTY(sp->_ifd))
the_device = ttyname(sp->_ifd);
if (the_device == 0)
the_device = "/dev/tty";
sp->_mouse_fd = open(the_device, O_RDWR);
if (sp->_mouse_fd >= 0) {
/*
* sysmouse does not have a usable user interface for obtaining
* mouse events. The logical way to proceed (reading data on a
* stream) only works if one opens the device as root. Even in
* that mode, careful examination shows we lose events
* occasionally. The interface provided for user programs is to
* establish a signal handler. really.
*
* Take over SIGUSR2 for this purpose since SIGUSR1 is more
* likely to be used by an application. getch() will have to
* handle the misleading EINTR's.
*/
signal(SIGUSR2, SIG_IGN);
the_mouse.operation = MOUSE_MODE;
the_mouse.u.mode.mode = 0;
the_mouse.u.mode.signal = SIGUSR2;
if (ioctl(sp->_mouse_fd, CONS_MOUSECTL, &the_mouse) != -1) {
signal(SIGUSR2, handle_sysmouse);
the_mouse.operation = MOUSE_SHOW;
ioctl(sp->_mouse_fd, CONS_MOUSECTL, &the_mouse);
#if defined(FBIO_MODEINFO) || defined(CONS_MODEINFO) /* FreeBSD > 2.x */
{
#ifndef FBIO_GETMODE /* FreeBSD 3.x */
#define FBIO_GETMODE CONS_GET
#define FBIO_MODEINFO CONS_MODEINFO
#endif /* FBIO_GETMODE */
video_info_t the_video;
if (ioctl(sp->_mouse_fd,
FBIO_GETMODE,
&the_video.vi_mode) != -1
&& ioctl(sp->_mouse_fd,
FBIO_MODEINFO,
&the_video) != -1) {
sp->_sysmouse_char_width = the_video.vi_cwidth;
sp->_sysmouse_char_height = the_video.vi_cheight;
}
}
#endif /* defined(FBIO_MODEINFO) || defined(CONS_MODEINFO) */
if (sp->_sysmouse_char_width <= 0)
sp->_sysmouse_char_width = 8;
if (sp->_sysmouse_char_height <= 0)
sp->_sysmouse_char_height = 16;
sp->_mouse_type = M_SYSMOUSE;
returnVoid;
}
}
}
#endif /* USE_SYSMOUSE */
#ifdef USE_TERM_DRIVER
CallDriver(sp, td_initmouse);
#else
/* we know how to recognize mouse events under "xterm" */
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);
}
#endif
returnVoid;
}
