alema/hkd
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key_buffer_compare()

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This commit is contained in:
Alessandro Mauri 2020-06-06 23:11:45 +02:00
parent edaa6806d4
commit 9564915e08
1 changed files with 27 additions and 15 deletions

42
hkd.c
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@ -44,6 +44,7 @@ const char evdev_root_dir[] = "/dev/input/";
int key_buffer_add (struct key_buffer*, unsigned short);
int key_buffer_remove (struct key_buffer*, unsigned short);
int key_buffer_compare (struct key_buffer *haystack, struct key_buffer *needle);
int convert_key_value (unsigned short);
void int_handler (int signum);
void exec_command(char *);
@ -81,7 +82,6 @@ int main (void)
/* MAIN EVENT LOOP */
mainloop_begin:
for (;;) {
// TODO: better error reporting
/* On linux use epoll(2) as it gives better performance */
static struct epoll_event ev_type;
if (epoll_wait(ev_fd, &ev_type, fd_num, -1) < 0 || dead)
@ -108,7 +108,6 @@ int main (void)
if (rb != sizeof(struct input_event)) continue;
/* Ignore touchpad events */
// TODO: make a event blacklist system
if (
event.type == EV_KEY &&
event.code != BTN_TOUCH &&
@ -129,25 +128,22 @@ int main (void)
}
}
struct key_buffer comb1;
unsigned short *tmp = malloc(sizeof(unsigned short) * 2);
tmp[0] = 56;
tmp[1] = 31;
comb1.buf = tmp;
comb1.size = 2;
if (pb.size != prev_size) {
printf("Pressed keys: ");
for (unsigned int i = 0; i < pb.size; i++)
printf("%d ", pb.buf[i]);
putchar('\n');
switch (pb.size) {
case 1:
/* You can use keys defined in input.h */
if (pb.buf[0] == KEY_MUTE)
exec_command((char *)"/home/ale/hello");
break;
case 2:
if (pb.buf[0] == 56 || pb.buf[0] == 31)
if (pb.buf[1] == 31 || pb.buf[1] == 56)
exec_command((char *)"/home/ale/hello");
break;
}
}
if (key_buffer_compare(&pb, &comb1))
exec_command((char *)"/home/ale/hello");
}
}
// TODO: better child handling, for now all children receive the same
@ -321,3 +317,19 @@ int prepare_epoll(int *fds, int fd_num, int event_watcher)
die("could not add file descriptor to the epoll list");
return ev_fd;
}
int key_buffer_compare (struct key_buffer *haystack, struct key_buffer *needle)
{
if (haystack->size != needle->size)
return 0;
int ff = 0;
for (int x = needle->size - 1; x >= 0; x--) {
for (int i = 0; i < haystack->size; i++)
ff += (needle->buf[x] == haystack->buf[i]);
if (!ff)
return 0;
ff = 0;
}
return 1;
}