Enable blinking in st.

diff --git a/config.def.h b/config.def.h
index d1c20bd..b44fe17 100644 (file)
--- a/config.def.h
+++ b/config.def.h
@@ -20,6 +20,9 @@ static bool allowaltscreen = true;
 static unsigned int xfps = 60;
 static unsigned int actionfps = 30;
 
 static unsigned int xfps = 60;
 static unsigned int actionfps = 30;
 

+/* blinking timeout (set to 0 to disable blinking) */
+static unsigned int blinktimeout = 800;
+

 /* TERM value */
 static char termname[] = "st-256color";
 
 /* TERM value */
 static char termname[] = "st-256color";
 

diff --git a/st.c b/st.c
index 8d27c94..8065ebe 100644 (file)
--- a/st.c
+++ b/st.c
@@ -116,6 +116,8 @@ enum term_mode {
        MODE_APPCURSOR   = 2048,
        MODE_MOUSESGR    = 4096,
        MODE_8BIT        = 8192,
        MODE_APPCURSOR   = 2048,
        MODE_MOUSESGR    = 4096,
        MODE_8BIT        = 8192,

+       MODE_BLINK       = 16384,
+       MODE_FBLINK      = 32768,

 };
 
 enum escape_state {
 };
 
 enum escape_state {

@@ -313,6 +315,7 @@ static void strhandle(void);
 static void strparse(void);
 static void strreset(void);
 
 static void strparse(void);
 static void strreset(void);
 

+static int tattrset(int);

 static void tclearregion(int, int, int, int);
 static void tcursor(int);
 static void tdeletechar(int);
 static void tclearregion(int, int, int, int);
 static void tcursor(int);
 static void tdeletechar(int);

@@ -334,6 +337,7 @@ static void tsetchar(char *, Glyph *, int, int);
 static void tsetscroll(int, int);
 static void tswapscreen(void);
 static void tsetdirt(int, int);
 static void tsetscroll(int, int);
 static void tswapscreen(void);
 static void tsetdirt(int, int);

+static void tsetdirtattr(int);

 static void tsetmode(bool, bool, int *, int);
 static void tfulldirt(void);
 static void techo(char *, int);
 static void tsetmode(bool, bool, int *, int);
 static void tfulldirt(void);
 static void techo(char *, int);

@@ -1175,6 +1179,20 @@ ttyresize(void) {
                fprintf(stderr, "Couldn't set window size: %s\n", SERRNO);
 }
 
                fprintf(stderr, "Couldn't set window size: %s\n", SERRNO);
 }
 

+int
+tattrset(int attr) {
+       int i, j;
+
+       for(i = 0; i < term.row-1; i++) {
+               for(j = 0; j < term.col-1; j++) {
+                       if(term.line[i][j].mode & attr)
+                               return 1;
+               }
+       }
+
+       return 0;
+}
+

 void
 tsetdirt(int top, int bot) {
        int i;
 void
 tsetdirt(int top, int bot) {
        int i;

@@ -1187,6 +1205,20 @@ tsetdirt(int top, int bot) {
 }
 
 void
 }
 
 void

+tsetdirtattr(int attr) {
+       int i, j;
+
+       for(i = 0; i < term.row-1; i++) {
+               for(j = 0; j < term.col-1; j++) {
+                       if(term.line[i][j].mode & attr) {
+                               tsetdirt(i, i);
+                               break;
+                       }
+               }
+       }
+}
+
+void

 tfulldirt(void) {
        tsetdirt(0, term.row-1);
 }
 tfulldirt(void) {
        tsetdirt(0, term.row-1);
 }

@@ -2838,6 +2870,9 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
                bg = temp;
        }
 
                bg = temp;
        }
 

+       if(base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
+               fg = bg;
+

        /* Intelligent cleaning up of the borders. */
        if(x == 0) {
                xclear(0, (y == 0)? 0 : winy, borderpx,
        /* Intelligent cleaning up of the borders. */
        if(x == 0) {
                xclear(0, (y == 0)? 0 : winy, borderpx,

@@ -3345,34 +3380,55 @@ void
 run(void) {
        XEvent ev;
        fd_set rfd;
 run(void) {
        XEvent ev;
        fd_set rfd;

-       int xfd = XConnectionNumber(xw.dpy), xev;
-       struct timeval drawtimeout, *tv = NULL, now, last;
+       int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
+       struct timeval drawtimeout, *tv = NULL, now, last, lastblink;

 
 

+       gettimeofday(&lastblink, NULL);

        gettimeofday(&last, NULL);
 
        for(xev = actionfps;;) {
                FD_ZERO(&rfd);
                FD_SET(cmdfd, &rfd);
                FD_SET(xfd, &rfd);
        gettimeofday(&last, NULL);
 
        for(xev = actionfps;;) {
                FD_ZERO(&rfd);
                FD_SET(cmdfd, &rfd);
                FD_SET(xfd, &rfd);

-               if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv) < 0) {
+
+               switch(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv) < 0) {
+               case -1:

                        if(errno == EINTR)
                                continue;
                        die("select failed: %s\n", SERRNO);
                        if(errno == EINTR)
                                continue;
                        die("select failed: %s\n", SERRNO);

-               }
+               default:
+                       if(FD_ISSET(cmdfd, &rfd)) {
+                               ttyread();
+                               if(blinktimeout) {
+                                       blinkset = tattrset(ATTR_BLINK);
+                                       if(!blinkset && term.mode & ATTR_BLINK)
+                                               term.mode &= ~(MODE_BLINK);
+                               }
+                       }

 
 

+                       if(FD_ISSET(xfd, &rfd))
+                               xev = actionfps;
+                       break;
+               }

                gettimeofday(&now, NULL);
                drawtimeout.tv_sec = 0;
                drawtimeout.tv_usec = (1000/xfps) * 1000;
                tv = &drawtimeout;
 
                gettimeofday(&now, NULL);
                drawtimeout.tv_sec = 0;
                drawtimeout.tv_usec = (1000/xfps) * 1000;
                tv = &drawtimeout;
 

-               if(FD_ISSET(cmdfd, &rfd))
-                       ttyread();
-
-               if(FD_ISSET(xfd, &rfd))
-                       xev = actionfps;
+               dodraw = 0;
+               if(blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
+                       tsetdirtattr(ATTR_BLINK);
+                       term.mode ^= MODE_BLINK;
+                       gettimeofday(&lastblink, NULL);
+                       dodraw = 1;
+               }
+               if(TIMEDIFF(now, last) \
+                               > (xev? (1000/xfps) : (1000/actionfps))) {
+                       dodraw = 1;
+                       last = now;
+               }

 
 

-               if(TIMEDIFF(now, last) > \
-                               (xev ? (1000/xfps) : (1000/actionfps))) {
+               if(dodraw) {

                        while(XPending(xw.dpy)) {
                                XNextEvent(xw.dpy, &ev);
                                if(XFilterEvent(&ev, None))
                        while(XPending(xw.dpy)) {
                                XNextEvent(xw.dpy, &ev);
                                if(XFilterEvent(&ev, None))

@@ -3383,12 +3439,13 @@ run(void) {
 
                        draw();
                        XFlush(xw.dpy);
 
                        draw();
                        XFlush(xw.dpy);

-                       last = now;

 
                        if(xev && !FD_ISSET(xfd, &rfd))
                                xev--;
 
                        if(xev && !FD_ISSET(xfd, &rfd))
                                xev--;

-                       if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd))
+                       if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd) \
+                                       && !blinkset) {

                                tv = NULL;
                                tv = NULL;

+                       }

                }
        }
 }
                }
        }
 }

diff --git a/st.info b/st.info
index 79b881f..ff01c80 100644 (file)
--- a/st.info
+++ b/st.info
@@ -5,7 +5,7 @@ st| simpleterm,
        am,
        bce,
        bel=^G,
        am,
        bce,
        bel=^G,

-#      blink=\E[5m,
+       blink=\E[5m,

        bold=\E[1m,
        cbt=\E[Z,
        cvvis=\E[?25h,
        bold=\E[1m,
        cbt=\E[Z,
        cvvis=\E[?25h,