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Moved termios magic out of demo.c into termkey.c where it belongs

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This commit is contained in:
Paul LeoNerd Evans 2008-02-23 20:26:04 +00:00
parent 8f8e96f015
commit 46e53d124d
3 changed files with 30 additions and 18 deletions
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19
demo.c
View File

@ -1,24 +1,10 @@
#include <stdio.h>
#include <stdlib.h>
#include <termios.h>
#include <unistd.h>
#include "termkey.h"
int main(int argc, char *argv[]) {
struct termios termios;
if(tcgetattr(0, &termios)) {
perror("ioctl(TCIOGETS)");
exit(1);
}
int old_lflag = termios.c_lflag;
termios.c_iflag &= ~(IXON|INLCR|ICRNL);
termios.c_lflag &= ~(ICANON|ECHO|ISIG);
tcsetattr(0, TCSANOW, &termios);
termkey_t *tk = termkey_new(0, 0);
termkey_result ret;
@ -44,8 +30,5 @@ int main(int argc, char *argv[]) {
break;
}
termios.c_lflag = old_lflag;
tcsetattr(0, TCSANOW, &termios);
termkey_free(tk);
termkey_destroy(tk);
}

27
termkey.c
View File

@ -4,6 +4,7 @@
#include <poll.h>
#include <unistd.h>
#include <string.h>
#include <termios.h>
#include <stdio.h>
@ -21,6 +22,9 @@ struct termkey {
size_t buffcount; // NUMBER of entires valid in buffer
size_t buffsize; // Total malloc'ed size
struct termios restore_termios;
char restore_termios_valid;
int waittime; // msec
char is_closed;
@ -78,6 +82,8 @@ termkey_t *termkey_new_full(int fd, int flags, size_t buffsize, int waittime)
tk->buffcount = 0;
tk->buffsize = buffsize;
tk->restore_termios_valid = 0;
tk->waittime = waittime;
tk->is_closed = 0;
@ -181,6 +187,19 @@ termkey_t *termkey_new_full(int fd, int flags, size_t buffsize, int waittime)
termkey_register_csifunc(tk, TERMKEY_SYM_F19, 33, "F19");
termkey_register_csifunc(tk, TERMKEY_SYM_F20, 34, "F20");
if(!(flags & TERMKEY_FLAG_NOTERMIOS)) {
struct termios termios;
if(tcgetattr(fd, &termios) == 0) {
tk->restore_termios = termios;
tk->restore_termios_valid = 1;
termios.c_iflag &= ~(IXON|INLCR|ICRNL);
termios.c_lflag &= ~(ICANON|ECHO|ISIG);
tcsetattr(fd, TCSANOW, &termios);
}
}
return tk;
}
@ -198,6 +217,14 @@ void termkey_free(termkey_t *tk)
free(tk);
}
void termkey_destroy(termkey_t *tk)
{
if(tk->restore_termios_valid)
tcsetattr(tk->fd, TCSANOW, &tk->restore_termios);
termkey_free(tk);
}
void termkey_setwaittime(termkey_t *tk, int msec)
{
tk->waittime = msec;

2
termkey.h
View File

@ -115,10 +115,12 @@ enum {
TERMKEY_FLAG_CONVERTKP = 0x02, // Convert KP codes to regular keypresses
TERMKEY_FLAG_RAW = 0x04, // Input is raw bytes, not UTF-8
TERMKEY_FLAG_UTF8 = 0x08, // Input is definitely UTF-8
TERMKEY_FLAG_NOTERMIOS = 0x10, // Do not make initial termios calls on construction
};
termkey_t *termkey_new(int fd, int flags);
void termkey_free(termkey_t *tk);
void termkey_destroy(termkey_t *tk);
void termkey_setwaittime(termkey_t *tk, int msec);
int termkey_getwaittime(termkey_t *tk);