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(repl) fix delay issues from old getch() implementation

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This commit is contained in:
K. Lange 2020-12-30 22:29:45 +09:00
parent 33f7561076
commit bb7e49add7
1 changed files with 10 additions and 14 deletions
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24
rline.c
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@ -216,23 +216,20 @@ static void _ungetc(int c) {
_unget = c;
}
static int getch(int immediate) {
static int getch(int immediate, int timeout) {
if (_unget != -1) {
int out = _unget;
_unget = -1;
return out;
}
if (immediate) {
return getc(stdin);
}
struct pollfd fds[1];
fds[0].fd = STDIN_FILENO;
fds[0].events = POLLIN;
int ret = poll(fds,1,10);
int ret = poll(fds,1,(timeout == 1) ? 50 : -1);
if (ret > 0 && fds[0].revents & POLLIN) {
unsigned char buf[1];
int r = read(STDIN_FILENO, buf, 1);
if (r != 1) return -1;
int unused = read(STDIN_FILENO, buf, 1);
(void)unused;
return buf[0];
} else {
return -1;
@ -1512,13 +1509,8 @@ static int read_line(void) {
render_line();
place_cursor_actual();
while ((cin = getch(immediate))) {
if (cin == -1) {
immediate = 1;
render_line();
place_cursor_actual();
continue;
}
while ((cin = getch(immediate,timeout))) {
if (cin == -1) continue;
get_size();
if (!decode(&istate, &c, cin)) {
if (timeout == 0) {
@ -1624,10 +1616,14 @@ static int read_line(void) {
}
} else {
if (handle_escape(this_buf,&timeout,c)) {
render_line();
place_cursor_actual();
continue;
}
immediate = 0;
}
render_line();
place_cursor_actual();
} else if (istate == UTF8_REJECT) {
istate = 0;
}