Enable blinking in st.
This commit is contained in:
Christoph Lohmann
parent
1b2751f5c2
commit
1e09726518
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@ -20,6 +20,9 @@ static bool allowaltscreen = true;
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static unsigned int xfps = 60;
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static unsigned int actionfps = 30;
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/* blinking timeout (set to 0 to disable blinking) */
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static unsigned int blinktimeout = 800;
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/* TERM value */
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static char termname[] = "st-256color";
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81
st.c
81
st.c
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@ -116,6 +116,8 @@ enum term_mode {
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MODE_APPCURSOR = 2048,
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MODE_MOUSESGR = 4096,
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MODE_8BIT = 8192,
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MODE_BLINK = 16384,
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MODE_FBLINK = 32768,
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};
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enum escape_state {
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@ -313,6 +315,7 @@ static void strhandle(void);
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static void strparse(void);
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static void strreset(void);
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static int tattrset(int);
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static void tclearregion(int, int, int, int);
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static void tcursor(int);
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static void tdeletechar(int);
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@ -334,6 +337,7 @@ static void tsetchar(char *, Glyph *, int, int);
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static void tsetscroll(int, int);
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static void tswapscreen(void);
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static void tsetdirt(int, int);
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static void tsetdirtattr(int);
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static void tsetmode(bool, bool, int *, int);
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static void tfulldirt(void);
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static void techo(char *, int);
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@ -1175,6 +1179,20 @@ ttyresize(void) {
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fprintf(stderr, "Couldn't set window size: %s\n", SERRNO);
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}
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int
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tattrset(int attr) {
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int i, j;
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for(i = 0; i < term.row-1; i++) {
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for(j = 0; j < term.col-1; j++) {
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if(term.line[i][j].mode & attr)
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return 1;
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}
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}
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return 0;
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}
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void
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tsetdirt(int top, int bot) {
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int i;
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@ -1186,6 +1204,20 @@ tsetdirt(int top, int bot) {
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term.dirty[i] = 1;
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}
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void
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tsetdirtattr(int attr) {
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int i, j;
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for(i = 0; i < term.row-1; i++) {
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for(j = 0; j < term.col-1; j++) {
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if(term.line[i][j].mode & attr) {
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tsetdirt(i, i);
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break;
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}
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}
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}
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}
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void
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tfulldirt(void) {
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tsetdirt(0, term.row-1);
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@ -2838,6 +2870,9 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
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bg = temp;
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}
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if(base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
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fg = bg;
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/* Intelligent cleaning up of the borders. */
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if(x == 0) {
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xclear(0, (y == 0)? 0 : winy, borderpx,
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@ -3345,34 +3380,55 @@ void
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run(void) {
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XEvent ev;
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fd_set rfd;
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int xfd = XConnectionNumber(xw.dpy), xev;
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struct timeval drawtimeout, *tv = NULL, now, last;
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int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
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struct timeval drawtimeout, *tv = NULL, now, last, lastblink;
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gettimeofday(&lastblink, NULL);
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gettimeofday(&last, NULL);
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for(xev = actionfps;;) {
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FD_ZERO(&rfd);
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FD_SET(cmdfd, &rfd);
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FD_SET(xfd, &rfd);
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if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv) < 0) {
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switch(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv) < 0) {
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case -1:
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if(errno == EINTR)
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continue;
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die("select failed: %s\n", SERRNO);
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default:
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if(FD_ISSET(cmdfd, &rfd)) {
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ttyread();
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if(blinktimeout) {
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blinkset = tattrset(ATTR_BLINK);
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if(!blinkset && term.mode & ATTR_BLINK)
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term.mode &= ~(MODE_BLINK);
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}
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}
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if(FD_ISSET(xfd, &rfd))
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xev = actionfps;
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break;
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}
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gettimeofday(&now, NULL);
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drawtimeout.tv_sec = 0;
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drawtimeout.tv_usec = (1000/xfps) * 1000;
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tv = &drawtimeout;
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if(FD_ISSET(cmdfd, &rfd))
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ttyread();
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dodraw = 0;
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if(blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
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tsetdirtattr(ATTR_BLINK);
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term.mode ^= MODE_BLINK;
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gettimeofday(&lastblink, NULL);
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dodraw = 1;
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}
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if(TIMEDIFF(now, last) \
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> (xev? (1000/xfps) : (1000/actionfps))) {
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dodraw = 1;
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last = now;
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}
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if(FD_ISSET(xfd, &rfd))
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xev = actionfps;
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if(TIMEDIFF(now, last) > \
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(xev ? (1000/xfps) : (1000/actionfps))) {
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if(dodraw) {
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while(XPending(xw.dpy)) {
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XNextEvent(xw.dpy, &ev);
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if(XFilterEvent(&ev, None))
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@ -3383,14 +3439,15 @@ run(void) {
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draw();
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XFlush(xw.dpy);
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last = now;
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if(xev && !FD_ISSET(xfd, &rfd))
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xev--;
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if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd))
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if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd) \
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&& !blinkset) {
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tv = NULL;
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}
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}
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}
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}
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void
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