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authorChristoph Lohmann <20h@r-36.net>2013-02-15 19:30:43 +0100
committerChristoph Lohmann <20h@r-36.net>2013-02-15 19:30:43 +0100
commit086cd61511aa5ca4cbef0048137bb9ae0467d283 (patch)
tree04e17ce948bac9cb69ea51356446cf710b09ed94 /st.c
parent95033753be32e93915ddce14ea41b8765b665771 (diff)
downloadst-086cd61511aa5ca4cbef0048137bb9ae0467d283.tar.gz
Doing it like the new run() was proposed.
Diffstat (limited to 'st.c')
-rw-r--r--st.c38
1 files changed, 15 insertions, 23 deletions
diff --git a/st.c b/st.c
index f4b419e..f6e606b 100644
--- a/st.c
+++ b/st.c
@@ -3166,12 +3166,12 @@ void
run(void) {
XEvent ev;
fd_set rfd;
- int xfd = XConnectionNumber(xw.dpy);
+ int xfd = XConnectionNumber(xw.dpy), xev;
struct timeval drawtimeout, *tv = NULL, now, last;
gettimeofday(&last, NULL);
- for(;;) {
+ for(xev = actionfps;;) {
FD_ZERO(&rfd);
FD_SET(cmdfd, &rfd);
FD_SET(xfd, &rfd);
@@ -3184,22 +3184,16 @@ run(void) {
gettimeofday(&now, NULL);
/* usecs until (next) frame */
drawtimeout.tv_sec = 0;
- drawtimeout.tv_usec = \
- ((1000/framespersecond) - TIMEDIFF(now, last)) * 1000;
-
- /* Let us draw a frame. */
- if(drawtimeout.tv_usec <= 0) {
- draw();
- XFlush(xw.dpy);
-
- last = now;
- tv = NULL;
- }
+ drawtimeout.tv_usec = (1000/xfps) * 1000;
+ tv = &drawtimeout;
if(FD_ISSET(cmdfd, &rfd))
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)) {
XNextEvent(xw.dpy, &ev);
if(XFilterEvent(&ev, None))
@@ -3208,16 +3202,14 @@ run(void) {
(handler[ev.type])(&ev);
}
- if(drawtimeout.tv_usec <= 0) {
- draw();
- XFlush(xw.dpy);
- }
- }
+ draw();
+ XFlush(xw.dpy);
+ last = now;
- /* There is still some time to wait until next frame. */
- if(drawtimeout.tv_usec > 0) {
- tv = &drawtimeout;
- continue;
+ if(xev && !FD_ISSET(xfd, &rfd))
+ xev--;
+ if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd))
+ tv = NULL;
}
}
}