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keyplot: input loop #430

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This commit is contained in:
nick black 2020-04-03 05:35:23 -04:00 committed by Nick Black
parent fc2dc68619
commit f1f94deda8
2 changed files with 30 additions and 1 deletions
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22
src/input/keyplot.cpp
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@ -1,6 +1,13 @@
#include <cstdlib>
#include <ncpp/NotCurses.hh>
#define NANOSECS_IN_SEC 1000000000
static inline uint64_t
timespec_to_ns(const struct timespec* t){
return t->tv_sec * NANOSECS_IN_SEC + t->tv_nsec;
}
int main(void){
if(setlocale(LC_ALL, "") == nullptr){
return EXIT_FAILURE;
@ -28,10 +35,25 @@ int main(void){
if(!nc.render()){
return EXIT_FAILURE;
}
struct timespec start;
if(clock_gettime(CLOCK_MONOTONIC, &start)){
return EXIT_FAILURE;
}
while(errno = 0, (r = nc.getc(true, &ni)) != (char32_t)-1){
if(r == 0){ // interrupted by signal
continue;
}
struct timespec now;
if(clock_gettime(CLOCK_MONOTONIC, &now)){
return EXIT_FAILURE;
}
const uint64_t sec = (timespec_to_ns(&now) - timespec_to_ns(&start)) / NANOSECS_IN_SEC;
if(ncplot_add_sample(plot, sec, 1)){
return EXIT_FAILURE;
}
if(!nc.render()){
return EXIT_FAILURE;
}
}
ncplot_destroy(plot);
return EXIT_SUCCESS;

9
src/lib/plot.c
View File

@ -52,7 +52,14 @@ ncplane* ncplot_plane(ncplot* n){
static inline bool
invalid_y(ncplot* n, int64_t y){
if(y > n->maxy || y < n->miny){
if(n->detectdomain){
if(y > n->maxy){
n->maxy = y;
}
if(y < n->miny){
n->miny = y;
}
}else if(y > n->maxy || y < n->miny){
return true;
}
return false;