static const char *ui_getkey(Ui *ui) {
UiCurses *uic = (UiCurses*)ui;
TermKeyKey key;
TermKeyResult ret = termkey_getkey(uic->termkey, &key);
if (ret == TERMKEY_RES_EOF) {
int tty = open("/dev/tty", O_RDWR);
if (tty == -1)
goto fatal;
if (tty != STDIN_FILENO && dup2(tty, STDIN_FILENO) == -1)
goto fatal;
termkey_destroy(uic->termkey);
if (!(uic->termkey = ui_termkey_new(STDIN_FILENO)))
goto fatal;
return NULL;
}
if (ret == TERMKEY_RES_AGAIN) {
struct pollfd fd;
fd.fd = STDIN_FILENO;
fd.events = POLLIN;
if (poll(&fd, 1, termkey_get_waittime(uic->termkey)) == 0)
ret = termkey_getkey_force(uic->termkey, &key);
}
if (ret != TERMKEY_RES_KEY)
return NULL;
termkey_strfkey(uic->termkey, uic->key, sizeof(uic->key), &key, TERMKEY_FORMAT_VIM);
return uic->key;
fatal:
ui_die_msg(ui, "Failed to re-open stdin as /dev/tty\n");
return NULL;
}
int main(int argc, char *argv[])
{
TERMKEY_CHECK_VERSION;
TermKey *tk = termkey_new(0, 0);
if(!tk) {
fprintf(stderr, "Cannot allocate termkey instance\n");
exit(1);
}
struct pollfd fd;
fd.fd = 0; /* the file descriptor we passed to termkey_new() */
fd.events = POLLIN;
TermKeyResult ret;
TermKeyKey key;
int running = 1;
int nextwait = -1;
while(running) {
if(poll(&fd, 1, nextwait) == 0) {
// Timed out
if(termkey_getkey_force(tk, &key) == TERMKEY_RES_KEY)
on_key(tk, &key);
}
if(fd.revents & (POLLIN|POLLHUP|POLLERR))
termkey_advisereadable(tk);
while((ret = termkey_getkey(tk, &key)) == TERMKEY_RES_KEY) {
on_key(tk, &key);
if(key.type == TERMKEY_TYPE_UNICODE &&
key.modifiers & TERMKEY_KEYMOD_CTRL &&
(key.code.codepoint == 'C' || key.code.codepoint == 'c'))
running = 0;
}
if(ret == TERMKEY_RES_AGAIN)
nextwait = termkey_get_waittime(tk);
else
nextwait = -1;
}
termkey_destroy(tk);
}
static const char *ui_getkey(Ui *ui) {
UiCurses *uic = (UiCurses*)ui;
TermKeyKey key;
TermKeyResult ret = termkey_getkey(uic->termkey, &key);
if (ret == TERMKEY_RES_AGAIN) {
struct pollfd fd;
fd.fd = STDIN_FILENO;
fd.events = POLLIN;
if (poll(&fd, 1, termkey_get_waittime(uic->termkey)) == 0)
ret = termkey_getkey_force(uic->termkey, &key);
}
if (ret != TERMKEY_RES_KEY)
return NULL;
termkey_strfkey(uic->termkey, uic->key, sizeof(uic->key), &key, TERMKEY_FORMAT_VIM);
return uic->key;
}
gboolean CoreManager::io_input(GIOChannel *source, GIOCondition cond)
{
if (io_input_timeout_conn.connected())
io_input_timeout_conn.disconnect();
termkey_advisereadable(tk);
TermKeyKey key;
TermKeyResult ret;
while ((ret = termkey_getkey(tk, &key)) == TERMKEY_RES_KEY) {
if (key.type == TERMKEY_TYPE_UNICODE && !utf8) {
gsize bwritten;
GError *err = NULL;
char *utf8;
// convert data from user charset to UTF-8
if (!(utf8 = g_locale_to_utf8(key.utf8, -1, NULL, &bwritten, &err))) {
if (err) {
g_warning(_("Error converting input to UTF-8 (%s)."),
err->message);
g_error_free(err);
err = NULL;
}
else
g_warning(_("Error converting input to UTF-8."));
continue;
}
memcpy(key.utf8, utf8, bwritten + 1);
g_free(utf8);
key.code.codepoint = g_utf8_get_char(key.utf8);
}
ProcessInput(key);
}
if (ret == TERMKEY_RES_AGAIN) {
int wait = termkey_get_waittime(tk);
io_input_timeout_conn = TimeoutOnceConnect(sigc::mem_fun(this,
&CoreManager::io_input_timeout), wait);
}
return TRUE;
}
