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bugfixes in view/time.c

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This commit is contained in:
Cedric Roux
2016-05-17 17:05:14 +02:00
parent 2e7ab60d70
commit f8ae07d388
1 changed files with 22 additions and 4 deletions
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common/utils/T/tracer/view/time.c
+22 -4
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@@ -97,6 +97,7 @@ static void *time_thread(void *_this)
struct timespec tstart;
struct timespec tnext;
struct plot *p;
int64_t pixel_length;
while (1) {
if (pthread_mutex_lock(&this->lock)) abort();
@@ -106,14 +107,17 @@ static void *time_thread(void *_this)
/* TODO: optimize/cleanup */
/* use rounded pixel_length */
pixel_length = this->pixel_length;
tnext = time_add(this->latest_time,(struct timespec){tv_sec:0,tv_nsec:1});
tstart = time_sub(tnext, nano_to_time(this->pixel_length * width));
tstart = time_sub(tnext, nano_to_time(pixel_length * width));
for (l = 0; l < this->subcount; l++) {
for (i = 0; i < width; i++) {
struct timespec tick_start, tick_end;
tick_start = time_add(tstart, nano_to_time(this->pixel_length * i));
tick_end = time_add(tick_start, nano_to_time(this->pixel_length-1));
tick_start = time_add(tstart, nano_to_time(pixel_length * i));
tick_end = time_add(tick_start, nano_to_time(pixel_length-1));
/* look for a nano between tick_start and tick_end */
/* TODO: optimize */
for (t = 0; t < this->tsize; t++) {
@@ -131,7 +135,7 @@ static void *time_thread(void *_this)
struct timespec nano =
(struct timespec){tv_sec:current_second,tv_nsec:p->nano[n]};
if (time_cmp(tick_start, nano) <= 0 &&
time_cmp(nano, tick_end) < 0)
time_cmp(nano, tick_end) <= 0)
goto gotit;
}
}
@@ -157,11 +161,15 @@ static void scroll(void *private, gui *g,
struct time *this = private;
double mul = 1.2;
double pixel_length;
int64_t old_px_len_rounded;
if (pthread_mutex_lock(&this->lock)) abort();
old_px_len_rounded = this->pixel_length;
if (!strcmp(notification, "scrollup")) mul = 1 / mul;
again:
pixel_length = this->pixel_length * mul;
if (pixel_length < 1) pixel_length = 1;
if (pixel_length > (double)3600 * 1000000000)
@@ -169,6 +177,16 @@ static void scroll(void *private, gui *g,
this->pixel_length = pixel_length;
/* due to rounding, we may need to zoom by more than 1.2 with
* very close lookup, otherwise the user zooming command won't
* be visible (say length is 2.7, zoom in, new length is 2.25,
* and rounding is 2, same value, no change, no feedback to user => bad)
* TODO: make all this cleaner
*/
if (pixel_length != 1 && pixel_length != (double)3600 * 1000000000 &&
(int64_t)pixel_length == old_px_len_rounded)
goto again;
if (pthread_mutex_unlock(&this->lock)) abort();
}