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Doing it like the new run() was proposed.

This commit is contained in:
Christoph Lohmann 2013-02-15 19:30:43 +01:00
parent 95033753be
commit 086cd61511
2 changed files with 17 additions and 24 deletions
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3
config.def.h
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@ -14,7 +14,8 @@ static unsigned int doubleclicktimeout = 300;
static unsigned int tripleclicktimeout = 600; static unsigned int tripleclicktimeout = 600;
/* frames per second st should at maximum draw to the screen */ /* frames per second st should at maximum draw to the screen */
static unsigned int framespersecond = 60; static unsigned int xfps = 30;
static unsigned int actionfps = 5;
/* TERM value */ /* TERM value */
static char termname[] = "st-256color"; static char termname[] = "st-256color";

34
st.c
View File

@ -3166,12 +3166,12 @@ void
run(void) { run(void) {
XEvent ev; XEvent ev;
fd_set rfd; fd_set rfd;
int xfd = XConnectionNumber(xw.dpy); int xfd = XConnectionNumber(xw.dpy), xev;
struct timeval drawtimeout, *tv = NULL, now, last; struct timeval drawtimeout, *tv = NULL, now, last;
gettimeofday(&last, NULL); gettimeofday(&last, NULL);
for(;;) { for(xev = actionfps;;) {
FD_ZERO(&rfd); FD_ZERO(&rfd);
FD_SET(cmdfd, &rfd); FD_SET(cmdfd, &rfd);
FD_SET(xfd, &rfd); FD_SET(xfd, &rfd);
@ -3184,22 +3184,16 @@ run(void) {
gettimeofday(&now, NULL); gettimeofday(&now, NULL);
/* usecs until (next) frame */ /* usecs until (next) frame */
drawtimeout.tv_sec = 0; drawtimeout.tv_sec = 0;
drawtimeout.tv_usec = \ drawtimeout.tv_usec = (1000/xfps) * 1000;
((1000/framespersecond) - TIMEDIFF(now, last)) * 1000; tv = &drawtimeout;
/* Let us draw a frame. */
if(drawtimeout.tv_usec <= 0) {
draw();
XFlush(xw.dpy);
last = now;
tv = NULL;
}
if(FD_ISSET(cmdfd, &rfd)) if(FD_ISSET(cmdfd, &rfd))
ttyread(); ttyread();
if(FD_ISSET(xfd, &rfd)) { if(FD_ISSET(xfd, &rfd))
xev = actionfps;
if(TIMEDIFF(now, last) > (xev ? (1000/xfps) : (1000/actionfps))) {
while(XPending(xw.dpy)) { while(XPending(xw.dpy)) {
XNextEvent(xw.dpy, &ev); XNextEvent(xw.dpy, &ev);
if(XFilterEvent(&ev, None)) if(XFilterEvent(&ev, None))
@ -3208,16 +3202,14 @@ run(void) {
(handler[ev.type])(&ev); (handler[ev.type])(&ev);
} }
if(drawtimeout.tv_usec <= 0) {
draw(); draw();
XFlush(xw.dpy); XFlush(xw.dpy);
} last = now;
}
/* There is still some time to wait until next frame. */ if(xev && !FD_ISSET(xfd, &rfd))
if(drawtimeout.tv_usec > 0) { xev--;
tv = &drawtimeout; if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd))
continue; tv = NULL;
} }
} }
} }