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cbreak_mode: move to input.c

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nick black 2020-12-20 19:59:08 -05:00
parent 41c2a75f9b
commit 99abcb5f07
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GPG Key ID: 5F43400C21CBFACC
2 changed files with 18 additions and 18 deletions
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18
src/lib/input.c
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@ -18,6 +18,24 @@ void sigwinch_handler(int signo){
resize_seen = signo;
}
int cbreak_mode(int ttyfd, const struct termios* tpreserved){
// assume it's not a true terminal (e.g. we might be redirected to a file)
struct termios modtermios;
memcpy(&modtermios, tpreserved, sizeof(modtermios));
// see termios(3). disabling ECHO and ICANON means input will not be echoed
// to the screen, input is made available without enter-based buffering, and
// line editing is disabled. since we have not gone into raw mode, ctrl+c
// etc. still have their typical effects. ICRNL maps return to 13 (Ctrl+M)
// instead of 10 (Ctrl+J).
modtermios.c_lflag &= (~ECHO & ~ICANON);
modtermios.c_iflag &= (~ICRNL);
if(tcsetattr(ttyfd, TCSANOW, &modtermios)){
fprintf(stderr, "Error disabling echo / canonical on %d (%s)\n", ttyfd, strerror(errno));
return -1;
}
return 0;
}
static inline int
pop_input_keypress(ncinputlayer* nc){
int candidate = nc->inputbuf[nc->inputbuf_valid_starts];

18
src/lib/notcurses.c
View File

@ -969,24 +969,6 @@ get_tty_fd(notcurses* nc, FILE* ttyfp){
return fd;
}
int cbreak_mode(int ttyfd, const struct termios* tpreserved){
// assume it's not a true terminal (e.g. we might be redirected to a file)
struct termios modtermios;
memcpy(&modtermios, tpreserved, sizeof(modtermios));
// see termios(3). disabling ECHO and ICANON means input will not be echoed
// to the screen, input is made available without enter-based buffering, and
// line editing is disabled. since we have not gone into raw mode, ctrl+c
// etc. still have their typical effects. ICRNL maps return to 13 (Ctrl+M)
// instead of 10 (Ctrl+J).
modtermios.c_lflag &= (~ECHO & ~ICANON);
modtermios.c_iflag &= (~ICRNL);
if(tcsetattr(ttyfd, TCSANOW, &modtermios)){
fprintf(stderr, "Error disabling echo / canonical on %d (%s)\n", ttyfd, strerror(errno));
return -1;
}
return 0;
}
int ncinputlayer_init(ncinputlayer* nilayer, FILE* infp){
setbuffer(infp, NULL, 0);
nilayer->inputescapes = NULL;