X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=st.c;h=e50e8848c50ebabc5e64f451123e001dc2fcc68a;hb=424202798b02554092ba84dd59fb7b79b59b7b75;hp=03866f1be16621b3a2a2144705a5ca2f85b80863;hpb=13233574ed1ead29bb7e99e71a0665e62c640617;p=st.git diff --git a/st.c b/st.c index 03866f1..e50e884 100644 --- a/st.c +++ b/st.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include #include @@ -62,27 +63,33 @@ char *argv0; #define XK_SWITCH_MOD (1<<13) /* macros */ -#define MIN(a, b) ((a) < (b) ? (a) : (b)) -#define MAX(a, b) ((a) < (b) ? (b) : (a)) -#define LEN(a) (sizeof(a) / sizeof(a)[0]) -#define DEFAULT(a, b) (a) = (a) ? (a) : (b) -#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b)) -#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177') -#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f)) -#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c)) -#define ISDELIM(u) (utf8strchr(worddelimiters, u) != NULL) -#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x) -#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg) -#define IS_SET(flag) ((term.mode & (flag)) != 0) -#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_nsec-t2.tv_nsec)/1E6) -#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit))) - -#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b)) -#define IS_TRUECOL(x) (1 << 24 & (x)) -#define TRUERED(x) (((x) & 0xff0000) >> 8) -#define TRUEGREEN(x) (((x) & 0xff00)) -#define TRUEBLUE(x) (((x) & 0xff) << 8) - +#define MIN(a, b) ((a) < (b) ? (a) : (b)) +#define MAX(a, b) ((a) < (b) ? (b) : (a)) +#define LEN(a) (sizeof(a) / sizeof(a)[0]) +#define NUMMAXLEN(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1) +#define DEFAULT(a, b) (a) = (a) ? (a) : (b) +#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b)) +#define DIVCEIL(n, d) (((n) + ((d) - 1)) / (d)) +#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177') +#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f)) +#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c)) +#define ISDELIM(u) (utf8strchr(worddelimiters, u) != NULL) +#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x) +#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || \ + (a).bg != (b).bg) +#define IS_SET(flag) ((term.mode & (flag)) != 0) +#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + \ + (t1.tv_nsec-t2.tv_nsec)/1E6) +#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit))) + +#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b)) +#define IS_TRUECOL(x) (1 << 24 & (x)) +#define TRUERED(x) (((x) & 0xff0000) >> 8) +#define TRUEGREEN(x) (((x) & 0xff00)) +#define TRUEBLUE(x) (((x) & 0xff) << 8) + +/* constants */ +#define ISO14755CMD "dmenu -w %lu -p codepoint: 0) { - ssize_t r = write(fd, s, len); - if(r < 0) + while (len > 0) { + r = write(fd, s, len); + if (r < 0) return r; len -= r; s += r; } + return aux; } @@ -569,7 +593,7 @@ xmalloc(size_t len) { void *p = malloc(len); - if(!p) + if (!p) die("Out of memory\n"); return p; @@ -578,7 +602,7 @@ xmalloc(size_t len) void * xrealloc(void *p, size_t len) { - if((p = realloc(p, len)) == NULL) + if ((p = realloc(p, len)) == NULL) die("Out of memory\n"); return p; @@ -587,7 +611,7 @@ xrealloc(void *p, size_t len) char * xstrdup(char *s) { - if((s = strdup(s)) == NULL) + if ((s = strdup(s)) == NULL) die("Out of memory\n"); return s; @@ -600,29 +624,31 @@ utf8decode(char *c, Rune *u, size_t clen) Rune udecoded; *u = UTF_INVALID; - if(!clen) + if (!clen) return 0; udecoded = utf8decodebyte(c[0], &len); - if(!BETWEEN(len, 1, UTF_SIZ)) + if (!BETWEEN(len, 1, UTF_SIZ)) return 1; - for(i = 1, j = 1; i < clen && j < len; ++i, ++j) { + for (i = 1, j = 1; i < clen && j < len; ++i, ++j) { udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type); - if(type != 0) + if (type != 0) return j; } - if(j < len) + if (j < len) return 0; *u = udecoded; utf8validate(u, len); + return len; } Rune utf8decodebyte(char c, size_t *i) { - for(*i = 0; *i < LEN(utfmask); ++(*i)) - if(((uchar)c & utfmask[*i]) == utfbyte[*i]) + for (*i = 0; *i < LEN(utfmask); ++(*i)) + if (((uchar)c & utfmask[*i]) == utfbyte[*i]) return (uchar)c & ~utfmask[*i]; + return 0; } @@ -632,13 +658,15 @@ utf8encode(Rune u, char *c) size_t len, i; len = utf8validate(&u, 0); - if(len > UTF_SIZ) + if (len > UTF_SIZ) return 0; - for(i = len - 1; i != 0; --i) { + + for (i = len - 1; i != 0; --i) { c[i] = utf8encodebyte(u, 0); u >>= 6; } c[0] = utf8encodebyte(u, len); + return len; } @@ -655,36 +683,39 @@ utf8strchr(char *s, Rune u) size_t i, j, len; len = strlen(s); - for(i = 0, j = 0; i < len; i += j) { - if(!(j = utf8decode(&s[i], &r, len - i))) + for (i = 0, j = 0; i < len; i += j) { + if (!(j = utf8decode(&s[i], &r, len - i))) break; - if(r == u) + if (r == u) return &(s[i]); } + return NULL; } size_t utf8validate(Rune *u, size_t i) { - if(!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF)) + if (!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF)) *u = UTF_INVALID; - for(i = 1; *u > utfmax[i]; ++i) + for (i = 1; *u > utfmax[i]; ++i) ; + return i; } void selinit(void) { - memset(&sel.tclick1, 0, sizeof(sel.tclick1)); - memset(&sel.tclick2, 0, sizeof(sel.tclick2)); + clock_gettime(CLOCK_MONOTONIC, &sel.tclick1); + clock_gettime(CLOCK_MONOTONIC, &sel.tclick2); sel.mode = SEL_IDLE; + sel.snap = 0; sel.ob.x = -1; sel.primary = NULL; sel.clipboard = NULL; sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0); - if(sel.xtarget == None) + if (sel.xtarget == None) sel.xtarget = XA_STRING; } @@ -711,10 +742,10 @@ tlinelen(int y) { int i = term.col; - if(term.line[y][i - 1].mode & ATTR_WRAP) + if (term.line[y][i - 1].mode & ATTR_WRAP) return i; - while(i > 0 && term.line[y][i - 1].u == ' ') + while (i > 0 && term.line[y][i - 1].u == ' ') --i; return i; @@ -725,7 +756,7 @@ selnormalize(void) { int i; - if(sel.type == SEL_REGULAR && sel.ob.y != sel.oe.y) { + if (sel.type == SEL_REGULAR && sel.ob.y != sel.oe.y) { sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x; sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x; } else { @@ -751,10 +782,10 @@ selnormalize(void) int selected(int x, int y) { - if(sel.mode == SEL_EMPTY) + if (sel.mode == SEL_EMPTY) return 0; - if(sel.type == SEL_RECTANGULAR) + if (sel.type == SEL_RECTANGULAR) return BETWEEN(y, sel.nb.y, sel.ne.y) && BETWEEN(x, sel.nb.x, sel.ne.x); @@ -770,7 +801,7 @@ selsnap(int *x, int *y, int direction) int delim, prevdelim; Glyph *gp, *prevgp; - switch(sel.snap) { + switch (sel.snap) { case SNAP_WORD: /* * Snap around if the word wraps around at the end or @@ -778,20 +809,20 @@ selsnap(int *x, int *y, int direction) */ prevgp = &term.line[*y][*x]; prevdelim = ISDELIM(prevgp->u); - for(;;) { + for (;;) { newx = *x + direction; newy = *y; - if(!BETWEEN(newx, 0, term.col - 1)) { + if (!BETWEEN(newx, 0, term.col - 1)) { newy += direction; newx = (newx + term.col) % term.col; if (!BETWEEN(newy, 0, term.row - 1)) break; - if(direction > 0) + if (direction > 0) yt = *y, xt = *x; else yt = newy, xt = newx; - if(!(term.line[yt][xt].mode & ATTR_WRAP)) + if (!(term.line[yt][xt].mode & ATTR_WRAP)) break; } @@ -800,7 +831,7 @@ selsnap(int *x, int *y, int direction) gp = &term.line[newy][newx]; delim = ISDELIM(gp->u); - if(!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim + if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim || (delim && gp->u != prevgp->u))) break; @@ -817,16 +848,16 @@ selsnap(int *x, int *y, int direction) * previous line will be selected. */ *x = (direction < 0) ? 0 : term.col - 1; - if(direction < 0) { - for(; *y > 0; *y += direction) { - if(!(term.line[*y-1][term.col-1].mode + if (direction < 0) { + for (; *y > 0; *y += direction) { + if (!(term.line[*y-1][term.col-1].mode & ATTR_WRAP)) { break; } } - } else if(direction > 0) { - for(; *y < term.row-1; *y += direction) { - if(!(term.line[*y][term.col-1].mode + } else if (direction > 0) { + for (; *y < term.row-1; *y += direction) { + if (!(term.line[*y][term.col-1].mode & ATTR_WRAP)) { break; } @@ -849,8 +880,8 @@ getbuttoninfo(XEvent *e) selnormalize(); sel.type = SEL_REGULAR; - for(type = 1; type < LEN(selmasks); ++type) { - if(match(selmasks[type], state)) { + for (type = 1; type < LEN(selmasks); ++type) { + if (match(selmasks[type], state)) { sel.type = type; break; } @@ -867,51 +898,51 @@ mousereport(XEvent *e) static int ox, oy; /* from urxvt */ - if(e->xbutton.type == MotionNotify) { - if(x == ox && y == oy) + if (e->xbutton.type == MotionNotify) { + if (x == ox && y == oy) return; - if(!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY)) + if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY)) return; /* MOUSE_MOTION: no reporting if no button is pressed */ - if(IS_SET(MODE_MOUSEMOTION) && oldbutton == 3) + if (IS_SET(MODE_MOUSEMOTION) && oldbutton == 3) return; button = oldbutton + 32; ox = x; oy = y; } else { - if(!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) { + if (!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) { button = 3; } else { button -= Button1; - if(button >= 3) + if (button >= 3) button += 64 - 3; } - if(e->xbutton.type == ButtonPress) { + if (e->xbutton.type == ButtonPress) { oldbutton = button; ox = x; oy = y; - } else if(e->xbutton.type == ButtonRelease) { + } else if (e->xbutton.type == ButtonRelease) { oldbutton = 3; /* MODE_MOUSEX10: no button release reporting */ - if(IS_SET(MODE_MOUSEX10)) + if (IS_SET(MODE_MOUSEX10)) return; if (button == 64 || button == 65) return; } } - if(!IS_SET(MODE_MOUSEX10)) { + if (!IS_SET(MODE_MOUSEX10)) { button += ((state & ShiftMask ) ? 4 : 0) + ((state & Mod4Mask ) ? 8 : 0) + ((state & ControlMask) ? 16 : 0); } - if(IS_SET(MODE_MOUSESGR)) { + if (IS_SET(MODE_MOUSESGR)) { len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c", button, x+1, y+1, e->xbutton.type == ButtonRelease ? 'm' : 'M'); - } else if(x < 223 && y < 223) { + } else if (x < 223 && y < 223) { len = snprintf(buf, sizeof(buf), "\033[M%c%c%c", 32+button, 32+x+1, 32+y+1); } else { @@ -925,22 +956,22 @@ void bpress(XEvent *e) { struct timespec now; - Mousekey *mk; + MouseShortcut *ms; - if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) { + if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) { mousereport(e); return; } - for(mk = mshortcuts; mk < mshortcuts + LEN(mshortcuts); mk++) { - if(e->xbutton.button == mk->b - && match(mk->mask, e->xbutton.state)) { - ttysend(mk->s, strlen(mk->s)); + for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) { + if (e->xbutton.button == ms->b + && match(ms->mask, e->xbutton.state)) { + ttysend(ms->s, strlen(ms->s)); return; } } - if(e->xbutton.button == Button1) { + if (e->xbutton.button == Button1) { clock_gettime(CLOCK_MONOTONIC, &now); /* Clear previous selection, logically and visually. */ @@ -954,16 +985,16 @@ bpress(XEvent *e) * If the user clicks below predefined timeouts specific * snapping behaviour is exposed. */ - if(TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) { + if (TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) { sel.snap = SNAP_LINE; - } else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) { + } else if (TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) { sel.snap = SNAP_WORD; } else { sel.snap = 0; } selnormalize(); - if(sel.snap != 0) + if (sel.snap != 0) sel.mode = SEL_READY; tsetdirt(sel.nb.y, sel.ne.y); sel.tclick2 = sel.tclick1; @@ -978,17 +1009,20 @@ getsel(void) int y, bufsize, lastx, linelen; Glyph *gp, *last; - if(sel.ob.x == -1) + if (sel.ob.x == -1) return NULL; bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ; ptr = str = xmalloc(bufsize); /* append every set & selected glyph to the selection */ - for(y = sel.nb.y; y <= sel.ne.y; y++) { - linelen = tlinelen(y); + for (y = sel.nb.y; y <= sel.ne.y; y++) { + if ((linelen = tlinelen(y)) == 0) { + *ptr++ = '\n'; + continue; + } - if(sel.type == SEL_RECTANGULAR) { + if (sel.type == SEL_RECTANGULAR) { gp = &term.line[y][sel.nb.x]; lastx = sel.ne.x; } else { @@ -996,11 +1030,11 @@ getsel(void) lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1; } last = &term.line[y][MIN(lastx, linelen-1)]; - while(last >= gp && last->u == ' ') + while (last >= gp && last->u == ' ') --last; - for( ; gp <= last; ++gp) { - if(gp->mode & ATTR_WDUMMY) + for ( ; gp <= last; ++gp) { + if (gp->mode & ATTR_WDUMMY) continue; ptr += utf8encode(gp->u, ptr); @@ -1015,7 +1049,7 @@ getsel(void) * st. * FIXME: Fix the computer world. */ - if((y < sel.ne.y || lastx >= linelen) && !(last->mode & ATTR_WRAP)) + if ((y < sel.ne.y || lastx >= linelen) && !(last->mode & ATTR_WRAP)) *ptr++ = '\n'; } *ptr = 0; @@ -1028,21 +1062,43 @@ selcopy(Time t) xsetsel(getsel(), t); } +void +propnotify(XEvent *e) +{ + XPropertyEvent *xpev; + Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); + + xpev = &e->xproperty; + if (xpev->state == PropertyNewValue && + (xpev->atom == XA_PRIMARY || + xpev->atom == clipboard)) { + selnotify(e); + } +} + void selnotify(XEvent *e) { ulong nitems, ofs, rem; int format; uchar *data, *last, *repl; - Atom type; - XSelectionEvent *xsev; + Atom type, incratom, property; + + incratom = XInternAtom(xw.dpy, "INCR", 0); ofs = 0; - xsev = &e->xselection; - if (xsev->property == None) - return; + if (e->type == SelectionNotify) { + property = e->xselection.property; + } else if(e->type == PropertyNotify) { + property = e->xproperty.atom; + } else { + return; + } + if (property == None) + return; + do { - if(XGetWindowProperty(xw.dpy, xw.win, xsev->property, ofs, + if (XGetWindowProperty(xw.dpy, xw.win, property, ofs, BUFSIZ/4, False, AnyPropertyType, &type, &format, &nitems, &rem, &data)) { @@ -1050,6 +1106,35 @@ selnotify(XEvent *e) return; } + if (e->type == PropertyNotify && nitems == 0 && rem == 0) { + /* + * If there is some PropertyNotify with no data, then + * this is the signal of the selection owner that all + * data has been transferred. We won't need to receive + * PropertyNotify events anymore. + */ + MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask); + XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, + &xw.attrs); + } + + if (type == incratom) { + /* + * Activate the PropertyNotify events so we receive + * when the selection owner does send us the next + * chunk of data. + */ + MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask); + XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, + &xw.attrs); + + /* + * Deleting the property is the transfer start signal. + */ + XDeleteProperty(xw.dpy, xw.win, (int)property); + continue; + } + /* * As seen in getsel: * Line endings are inconsistent in the terminal and GUI world @@ -1059,19 +1144,25 @@ selnotify(XEvent *e) */ repl = data; last = data + nitems * format / 8; - while((repl = memchr(repl, '\n', last - repl))) { + while ((repl = memchr(repl, '\n', last - repl))) { *repl++ = '\r'; } - if(IS_SET(MODE_BRCKTPASTE)) + if (IS_SET(MODE_BRCKTPASTE) && ofs == 0) ttywrite("\033[200~", 6); ttysend((char *)data, nitems * format / 8); - if(IS_SET(MODE_BRCKTPASTE)) + if (IS_SET(MODE_BRCKTPASTE) && rem == 0) ttywrite("\033[201~", 6); XFree(data); /* number of 32-bit chunks returned */ ofs += nitems * format / 32; - } while(rem > 0); + } while (rem > 0); + + /* + * Deleting the property again tells the selection owner to send the + * next data chunk in the property. + */ + XDeleteProperty(xw.dpy, xw.win, (int)property); } void @@ -1086,10 +1177,10 @@ clipcopy(const Arg *dummy) { Atom clipboard; - if(sel.clipboard != NULL) + if (sel.clipboard != NULL) free(sel.clipboard); - if(sel.primary != NULL) { + if (sel.primary != NULL) { sel.clipboard = xstrdup(sel.primary); clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime); @@ -1109,7 +1200,7 @@ clippaste(const Arg *dummy) void selclear(XEvent *e) { - if(sel.ob.x == -1) + if (sel.ob.x == -1) return; sel.mode = SEL_IDLE; sel.ob.x = -1; @@ -1137,22 +1228,22 @@ selrequest(XEvent *e) xev.property = None; xa_targets = XInternAtom(xw.dpy, "TARGETS", 0); - if(xsre->target == xa_targets) { + if (xsre->target == xa_targets) { /* respond with the supported type */ string = sel.xtarget; XChangeProperty(xsre->display, xsre->requestor, xsre->property, XA_ATOM, 32, PropModeReplace, (uchar *) &string, 1); xev.property = xsre->property; - } else if(xsre->target == sel.xtarget || xsre->target == XA_STRING) { + } else if (xsre->target == sel.xtarget || xsre->target == XA_STRING) { /* * xith XA_STRING non ascii characters may be incorrect in the * requestor. It is not our problem, use utf8. */ clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); - if(xsre->selection == XA_PRIMARY) { + if (xsre->selection == XA_PRIMARY) { seltext = sel.primary; - } else if(xsre->selection == clipboard) { + } else if (xsre->selection == clipboard) { seltext = sel.clipboard; } else { fprintf(stderr, @@ -1160,7 +1251,7 @@ selrequest(XEvent *e) xsre->selection); return; } - if(seltext != NULL) { + if (seltext != NULL) { XChangeProperty(xsre->display, xsre->requestor, xsre->property, xsre->target, 8, PropModeReplace, @@ -1170,7 +1261,7 @@ selrequest(XEvent *e) } /* all done, send a notification to the listener */ - if(!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev)) + if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev)) fprintf(stderr, "Error sending SelectionNotify event\n"); } @@ -1188,15 +1279,15 @@ xsetsel(char *str, Time t) void brelease(XEvent *e) { - if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) { + if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) { mousereport(e); return; } - if(e->xbutton.button == Button2) { + if (e->xbutton.button == Button2) { selpaste(NULL); - } else if(e->xbutton.button == Button1) { - if(sel.mode == SEL_READY) { + } else if (e->xbutton.button == Button1) { + if (sel.mode == SEL_READY) { getbuttoninfo(e); selcopy(e->xbutton.time); } else @@ -1211,12 +1302,12 @@ bmotion(XEvent *e) { int oldey, oldex, oldsby, oldsey; - if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) { + if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) { mousereport(e); return; } - if(!sel.mode) + if (!sel.mode) return; sel.mode = SEL_READY; @@ -1226,7 +1317,7 @@ bmotion(XEvent *e) oldsey = sel.ne.y; getbuttoninfo(e); - if(oldey != sel.oe.y || oldex != sel.oe.x) + if (oldey != sel.oe.y || oldex != sel.oe.x) tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey)); } @@ -1249,20 +1340,19 @@ execsh(void) char buf[sizeof(long) * 8 + 1]; errno = 0; - if((pw = getpwuid(getuid())) == NULL) { - if(errno) + if ((pw = getpwuid(getuid())) == NULL) { + if (errno) die("getpwuid:%s\n", strerror(errno)); else die("who are you?\n"); } - if (!(sh = getenv("SHELL"))) { + if ((sh = getenv("SHELL")) == NULL) sh = (pw->pw_shell[0]) ? pw->pw_shell : shell; - } - if(opt_cmd) + if (opt_cmd) prog = opt_cmd[0]; - else if(utmp) + else if (utmp) prog = utmp; else prog = sh; @@ -1297,10 +1387,10 @@ sigchld(int a) int stat; pid_t p; - if((p = waitpid(pid, &stat, WNOHANG)) < 0) + if ((p = waitpid(pid, &stat, WNOHANG)) < 0) die("Waiting for pid %hd failed: %s\n", pid, strerror(errno)); - if(pid != p) + if (pid != p) return; if (!WIFEXITED(stat) || WEXITSTATUS(stat)) @@ -1315,18 +1405,18 @@ stty(void) char cmd[_POSIX_ARG_MAX], **p, *q, *s; size_t n, siz; - if((n = strlen(stty_args)) > sizeof(cmd)-1) + if ((n = strlen(stty_args)) > sizeof(cmd)-1) die("incorrect stty parameters\n"); memcpy(cmd, stty_args, n); q = cmd + n; siz = sizeof(cmd) - n; - for(p = opt_cmd; p && (s = *p); ++p) { - if((n = strlen(s)) > siz-1) + for (p = opt_cmd; p && (s = *p); ++p) { + if ((n = strlen(s)) > siz-1) die("stty parameter length too long\n"); *q++ = ' '; - q = memcpy(q, s, n); + memcpy(q, s, n); q += n; - siz-= n + 1; + siz -= n + 1; } *q = '\0'; if (system(cmd) != 0) @@ -1339,30 +1429,29 @@ ttynew(void) int m, s; struct winsize w = {term.row, term.col, 0, 0}; - if(opt_io) { + if (opt_io) { term.mode |= MODE_PRINT; iofd = (!strcmp(opt_io, "-")) ? 1 : open(opt_io, O_WRONLY | O_CREAT, 0666); - if(iofd < 0) { + if (iofd < 0) { fprintf(stderr, "Error opening %s:%s\n", opt_io, strerror(errno)); } } if (opt_line) { - if((cmdfd = open(opt_line, O_RDWR)) < 0) + if ((cmdfd = open(opt_line, O_RDWR)) < 0) die("open line failed: %s\n", strerror(errno)); - close(0); - dup(cmdfd); + dup2(cmdfd, 0); stty(); return; } /* seems to work fine on linux, openbsd and freebsd */ - if(openpty(&m, &s, NULL, NULL, &w) < 0) + if (openpty(&m, &s, NULL, NULL, &w) < 0) die("openpty failed: %s\n", strerror(errno)); - switch(pid = fork()) { + switch (pid = fork()) { case -1: die("fork failed\n"); break; @@ -1372,7 +1461,7 @@ ttynew(void) dup2(s, 0); dup2(s, 1); dup2(s, 2); - if(ioctl(s, TIOCSCTTY, NULL) < 0) + if (ioctl(s, TIOCSCTTY, NULL) < 0) die("ioctl TIOCSCTTY failed: %s\n", strerror(errno)); close(s); close(m); @@ -1386,7 +1475,7 @@ ttynew(void) } } -void +size_t ttyread(void) { static char buf[BUFSIZ]; @@ -1397,42 +1486,117 @@ ttyread(void) int ret; /* append read bytes to unprocessed bytes */ - if((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0) + if ((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0) die("Couldn't read from shell: %s\n", strerror(errno)); - /* process every complete utf8 char */ buflen += ret; ptr = buf; - while((charsize = utf8decode(ptr, &unicodep, buflen))) { - tputc(unicodep); - ptr += charsize; - buflen -= charsize; - } + for (;;) { + if (IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL)) { + /* process a complete utf8 char */ + charsize = utf8decode(ptr, &unicodep, buflen); + if (charsize == 0) + break; + tputc(unicodep); + ptr += charsize; + buflen -= charsize; + + } else { + if (buflen <= 0) + break; + tputc(*ptr++ & 0xFF); + buflen--; + } + } /* keep any uncomplete utf8 char for the next call */ - memmove(buf, ptr, buflen); + if (buflen > 0) + memmove(buf, ptr, buflen); + + return ret; } void ttywrite(const char *s, size_t n) { - if(xwrite(cmdfd, s, n) == -1) - die("write error on tty: %s\n", strerror(errno)); + fd_set wfd, rfd; + ssize_t r; + size_t lim = 256; + + /* + * Remember that we are using a pty, which might be a modem line. + * Writing too much will clog the line. That's why we are doing this + * dance. + * FIXME: Migrate the world to Plan 9. + */ + while (n > 0) { + FD_ZERO(&wfd); + FD_ZERO(&rfd); + FD_SET(cmdfd, &wfd); + FD_SET(cmdfd, &rfd); + + /* Check if we can write. */ + if (pselect(cmdfd+1, &rfd, &wfd, NULL, NULL, NULL) < 0) { + if (errno == EINTR) + continue; + die("select failed: %s\n", strerror(errno)); + } + if (FD_ISSET(cmdfd, &wfd)) { + /* + * Only write the bytes written by ttywrite() or the + * default of 256. This seems to be a reasonable value + * for a serial line. Bigger values might clog the I/O. + */ + if ((r = write(cmdfd, s, (n < lim)? n : lim)) < 0) + goto write_error; + if (r < n) { + /* + * We weren't able to write out everything. + * This means the buffer is getting full + * again. Empty it. + */ + if (n < lim) + lim = ttyread(); + n -= r; + s += r; + } else { + /* All bytes have been written. */ + break; + } + } + if (FD_ISSET(cmdfd, &rfd)) + lim = ttyread(); + } + return; + +write_error: + die("write error on tty: %s\n", strerror(errno)); } void ttysend(char *s, size_t n) { int len; + char *t, *lim; Rune u; ttywrite(s, n); - if(IS_SET(MODE_ECHO)) - while((len = utf8decode(s, &u, n)) > 0) { - techo(u); - n -= len; - s += len; + if (!IS_SET(MODE_ECHO)) + return; + + lim = &s[n]; + for (t = s; t < lim; t += len) { + if (IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL)) { + len = utf8decode(t, &u, n); + } else { + u = *t & 0xFF; + len = 1; } + if (len <= 0) + break; + techo(u); + n -= len; + } } void @@ -1444,7 +1608,7 @@ ttyresize(void) w.ws_col = term.col; w.ws_xpixel = xw.tw; w.ws_ypixel = xw.th; - if(ioctl(cmdfd, TIOCSWINSZ, &w) < 0) + if (ioctl(cmdfd, TIOCSWINSZ, &w) < 0) fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno)); } @@ -1453,9 +1617,9 @@ 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) + 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; } } @@ -1471,7 +1635,7 @@ tsetdirt(int top, int bot) LIMIT(top, 0, term.row-1); LIMIT(bot, 0, term.row-1); - for(i = top; i <= bot; i++) + for (i = top; i <= bot; i++) term.dirty[i] = 1; } @@ -1480,9 +1644,9 @@ 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) { + 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; } @@ -1502,9 +1666,9 @@ tcursor(int mode) static TCursor c[2]; int alt = IS_SET(MODE_ALTSCREEN); - if(mode == CURSOR_SAVE) { + if (mode == CURSOR_SAVE) { c[alt] = term.c; - } else if(mode == CURSOR_LOAD) { + } else if (mode == CURSOR_LOAD) { term.c = c[alt]; tmoveto(c[alt].x, c[alt].y); } @@ -1522,15 +1686,15 @@ treset(void) }, .x = 0, .y = 0, .state = CURSOR_DEFAULT}; memset(term.tabs, 0, term.col * sizeof(*term.tabs)); - for(i = tabspaces; i < term.col; i += tabspaces) + for (i = tabspaces; i < term.col; i += tabspaces) term.tabs[i] = 1; term.top = 0; term.bot = term.row - 1; - term.mode = MODE_WRAP; + term.mode = MODE_WRAP|MODE_UTF8; memset(term.trantbl, CS_USA, sizeof(term.trantbl)); term.charset = 0; - for(i = 0; i < 2; i++) { + for (i = 0; i < 2; i++) { tmoveto(0, 0); tcursor(CURSOR_SAVE); tclearregion(0, 0, term.col-1, term.row-1); @@ -1570,7 +1734,7 @@ tscrolldown(int orig, int n) tsetdirt(orig, term.bot-n); tclearregion(0, term.bot-n+1, term.col-1, term.bot); - for(i = term.bot; i >= orig+n; i--) { + for (i = term.bot; i >= orig+n; i--) { temp = term.line[i]; term.line[i] = term.line[i-n]; term.line[i-n] = temp; @@ -1590,7 +1754,7 @@ tscrollup(int orig, int n) tclearregion(0, orig, term.col-1, orig+n-1); tsetdirt(orig+n, term.bot); - for(i = orig; i <= term.bot-n; i++) { + for (i = orig; i <= term.bot-n; i++) { temp = term.line[i]; term.line[i] = term.line[i+n]; term.line[i+n] = temp; @@ -1602,25 +1766,25 @@ tscrollup(int orig, int n) void selscroll(int orig, int n) { - if(sel.ob.x == -1) + if (sel.ob.x == -1) return; - if(BETWEEN(sel.ob.y, orig, term.bot) || BETWEEN(sel.oe.y, orig, term.bot)) { - if((sel.ob.y += n) > term.bot || (sel.oe.y += n) < term.top) { + if (BETWEEN(sel.ob.y, orig, term.bot) || BETWEEN(sel.oe.y, orig, term.bot)) { + if ((sel.ob.y += n) > term.bot || (sel.oe.y += n) < term.top) { selclear(NULL); return; } - if(sel.type == SEL_RECTANGULAR) { - if(sel.ob.y < term.top) + if (sel.type == SEL_RECTANGULAR) { + if (sel.ob.y < term.top) sel.ob.y = term.top; - if(sel.oe.y > term.bot) + if (sel.oe.y > term.bot) sel.oe.y = term.bot; } else { - if(sel.ob.y < term.top) { + if (sel.ob.y < term.top) { sel.ob.y = term.top; sel.ob.x = 0; } - if(sel.oe.y > term.bot) { + if (sel.oe.y > term.bot) { sel.oe.y = term.bot; sel.oe.x = term.col; } @@ -1634,7 +1798,7 @@ tnewline(int first_col) { int y = term.c.y; - if(y == term.bot) { + if (y == term.bot) { tscrollup(term.top, 1); } else { y++; @@ -1649,22 +1813,22 @@ csiparse(void) long int v; csiescseq.narg = 0; - if(*p == '?') { + if (*p == '?') { csiescseq.priv = 1; p++; } csiescseq.buf[csiescseq.len] = '\0'; - while(p < csiescseq.buf+csiescseq.len) { + while (p < csiescseq.buf+csiescseq.len) { np = NULL; v = strtol(p, &np, 10); - if(np == p) + if (np == p) v = 0; - if(v == LONG_MAX || v == LONG_MIN) + if (v == LONG_MAX || v == LONG_MIN) v = -1; csiescseq.arg[csiescseq.narg++] = v; p = np; - if(*p != ';' || csiescseq.narg == ESC_ARG_SIZ) + if (*p != ';' || csiescseq.narg == ESC_ARG_SIZ) break; p++; } @@ -1684,7 +1848,7 @@ tmoveto(int x, int y) { int miny, maxy; - if(term.c.state & CURSOR_ORIGIN) { + if (term.c.state & CURSOR_ORIGIN) { miny = term.top; maxy = term.bot; } else { @@ -1713,16 +1877,16 @@ tsetchar(Rune u, Glyph *attr, int x, int y) /* * The table is proudly stolen from rxvt. */ - if(term.trantbl[term.charset] == CS_GRAPHIC0 && + if (term.trantbl[term.charset] == CS_GRAPHIC0 && BETWEEN(u, 0x41, 0x7e) && vt100_0[u - 0x41]) utf8decode(vt100_0[u - 0x41], &u, UTF_SIZ); - if(term.line[y][x].mode & ATTR_WIDE) { - if(x+1 < term.col) { + if (term.line[y][x].mode & ATTR_WIDE) { + if (x+1 < term.col) { term.line[y][x+1].u = ' '; term.line[y][x+1].mode &= ~ATTR_WDUMMY; } - } else if(term.line[y][x].mode & ATTR_WDUMMY) { + } else if (term.line[y][x].mode & ATTR_WDUMMY) { term.line[y][x-1].u = ' '; term.line[y][x-1].mode &= ~ATTR_WIDE; } @@ -1738,9 +1902,9 @@ tclearregion(int x1, int y1, int x2, int y2) int x, y, temp; Glyph *gp; - if(x1 > x2) + if (x1 > x2) temp = x1, x1 = x2, x2 = temp; - if(y1 > y2) + if (y1 > y2) temp = y1, y1 = y2, y2 = temp; LIMIT(x1, 0, term.col-1); @@ -1748,11 +1912,11 @@ tclearregion(int x1, int y1, int x2, int y2) LIMIT(y1, 0, term.row-1); LIMIT(y2, 0, term.row-1); - for(y = y1; y <= y2; y++) { + for (y = y1; y <= y2; y++) { term.dirty[y] = 1; - for(x = x1; x <= x2; x++) { + for (x = x1; x <= x2; x++) { gp = &term.line[y][x]; - if(selected(x, y)) + if (selected(x, y)) selclear(NULL); gp->fg = term.c.attr.fg; gp->bg = term.c.attr.bg; @@ -1799,14 +1963,14 @@ tinsertblank(int n) void tinsertblankline(int n) { - if(BETWEEN(term.c.y, term.top, term.bot)) + if (BETWEEN(term.c.y, term.top, term.bot)) tscrolldown(term.c.y, n); } void tdeleteline(int n) { - if(BETWEEN(term.c.y, term.top, term.bot)) + if (BETWEEN(term.c.y, term.top, term.bot)) tscrollup(term.c.y, n); } @@ -1828,7 +1992,7 @@ tdefcolor(int *attr, int *npar, int l) g = attr[*npar + 3]; b = attr[*npar + 4]; *npar += 4; - if(!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255)) + if (!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255)) fprintf(stderr, "erresc: bad rgb color (%u,%u,%u)\n", r, g, b); else @@ -1842,7 +2006,7 @@ tdefcolor(int *attr, int *npar, int l) break; } *npar += 2; - if(!BETWEEN(attr[*npar], 0, 255)) + if (!BETWEEN(attr[*npar], 0, 255)) fprintf(stderr, "erresc: bad fgcolor %d\n", attr[*npar]); else idx = attr[*npar]; @@ -1866,8 +2030,8 @@ tsetattr(int *attr, int l) int i; int32_t idx; - for(i = 0; i < l; i++) { - switch(attr[i]) { + for (i = 0; i < l; i++) { + switch (attr[i]) { case 0: term.c.attr.mode &= ~( ATTR_BOLD | @@ -1943,13 +2107,13 @@ tsetattr(int *attr, int l) term.c.attr.bg = defaultbg; break; default: - if(BETWEEN(attr[i], 30, 37)) { + if (BETWEEN(attr[i], 30, 37)) { term.c.attr.fg = attr[i] - 30; - } else if(BETWEEN(attr[i], 40, 47)) { + } else if (BETWEEN(attr[i], 40, 47)) { term.c.attr.bg = attr[i] - 40; - } else if(BETWEEN(attr[i], 90, 97)) { + } else if (BETWEEN(attr[i], 90, 97)) { term.c.attr.fg = attr[i] - 90 + 8; - } else if(BETWEEN(attr[i], 100, 107)) { + } else if (BETWEEN(attr[i], 100, 107)) { term.c.attr.bg = attr[i] - 100 + 8; } else { fprintf(stderr, @@ -1968,7 +2132,7 @@ tsetscroll(int t, int b) LIMIT(t, 0, term.row-1); LIMIT(b, 0, term.row-1); - if(t > b) { + if (t > b) { temp = t; t = b; b = temp; @@ -1983,16 +2147,16 @@ tsetmode(int priv, int set, int *args, int narg) int *lim, mode; int alt; - for(lim = args + narg; args < lim; ++args) { - if(priv) { - switch(*args) { + for (lim = args + narg; args < lim; ++args) { + if (priv) { + switch (*args) { case 1: /* DECCKM -- Cursor key */ MODBIT(term.mode, set, MODE_APPCURSOR); break; case 5: /* DECSCNM -- Reverse video */ mode = term.mode; MODBIT(term.mode, set, MODE_REVERSE); - if(mode != term.mode) + if (mode != term.mode) redraw(); break; case 6: /* DECOM -- Origin */ @@ -2054,13 +2218,13 @@ tsetmode(int priv, int set, int *args, int narg) if (!allowaltscreen) break; alt = IS_SET(MODE_ALTSCREEN); - if(alt) { + if (alt) { tclearregion(0, 0, term.col-1, term.row-1); } - if(set ^ alt) /* set is always 1 or 0 */ + if (set ^ alt) /* set is always 1 or 0 */ tswapscreen(); - if(*args != 1049) + if (*args != 1049) break; /* FALLTHROUGH */ case 1048: @@ -2085,7 +2249,7 @@ tsetmode(int priv, int set, int *args, int narg) break; } } else { - switch(*args) { + switch (*args) { case 0: /* Error (IGNORED) */ break; case 2: /* KAM -- keyboard action */ @@ -2116,7 +2280,7 @@ csihandle(void) char buf[40]; int len; - switch(csiescseq.mode[0]) { + switch (csiescseq.mode[0]) { default: unknown: fprintf(stderr, "erresc: unknown csi "); @@ -2137,7 +2301,7 @@ csihandle(void) tmoveto(term.c.x, term.c.y+csiescseq.arg[0]); break; case 'i': /* MC -- Media Copy */ - switch(csiescseq.arg[0]) { + switch (csiescseq.arg[0]) { case 0: tdump(); break; @@ -2156,7 +2320,7 @@ csihandle(void) } break; case 'c': /* DA -- Device Attributes */ - if(csiescseq.arg[0] == 0) + if (csiescseq.arg[0] == 0) ttywrite(vtiden, sizeof(vtiden) - 1); break; case 'C': /* CUF -- Cursor Forward */ @@ -2177,7 +2341,7 @@ csihandle(void) tmoveto(0, term.c.y-csiescseq.arg[0]); break; case 'g': /* TBC -- Tabulation clear */ - switch(csiescseq.arg[0]) { + switch (csiescseq.arg[0]) { case 0: /* clear current tab stop */ term.tabs[term.c.x] = 0; break; @@ -2205,16 +2369,16 @@ csihandle(void) break; case 'J': /* ED -- Clear screen */ selclear(NULL); - switch(csiescseq.arg[0]) { + switch (csiescseq.arg[0]) { case 0: /* below */ tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); - if(term.c.y < term.row-1) { + if (term.c.y < term.row-1) { tclearregion(0, term.c.y+1, term.col-1, term.row-1); } break; case 1: /* above */ - if(term.c.y > 1) + if (term.c.y > 1) tclearregion(0, 0, term.col-1, term.c.y-1); tclearregion(0, term.c.y, term.c.x, term.c.y); break; @@ -2226,7 +2390,7 @@ csihandle(void) } break; case 'K': /* EL -- Clear line */ - switch(csiescseq.arg[0]) { + switch (csiescseq.arg[0]) { case 0: /* right */ tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); @@ -2289,7 +2453,7 @@ csihandle(void) } break; case 'r': /* DECSTBM -- Set Scrolling Region */ - if(csiescseq.priv) { + if (csiescseq.priv) { goto unknown; } else { DEFAULT(csiescseq.arg[0], 1); @@ -2306,15 +2470,15 @@ csihandle(void) break; case ' ': switch (csiescseq.mode[1]) { - case 'q': /* DECSCUSR -- Set Cursor Style */ - DEFAULT(csiescseq.arg[0], 1); - if (!BETWEEN(csiescseq.arg[0], 0, 6)) { - goto unknown; - } - xw.cursor = csiescseq.arg[0]; - break; - default: + case 'q': /* DECSCUSR -- Set Cursor Style */ + DEFAULT(csiescseq.arg[0], 1); + if (!BETWEEN(csiescseq.arg[0], 0, 6)) { goto unknown; + } + xw.cursor = csiescseq.arg[0]; + break; + default: + goto unknown; } break; } @@ -2326,22 +2490,22 @@ csidump(void) int i; uint c; - printf("ESC["); - for(i = 0; i < csiescseq.len; i++) { + fprintf(stderr, "ESC["); + for (i = 0; i < csiescseq.len; i++) { c = csiescseq.buf[i] & 0xff; - if(isprint(c)) { - putchar(c); - } else if(c == '\n') { - printf("(\\n)"); - } else if(c == '\r') { - printf("(\\r)"); - } else if(c == 0x1b) { - printf("(\\e)"); + if (isprint(c)) { + putc(c, stderr); + } else if (c == '\n') { + fprintf(stderr, "(\\n)"); + } else if (c == '\r') { + fprintf(stderr, "(\\r)"); + } else if (c == 0x1b) { + fprintf(stderr, "(\\e)"); } else { - printf("(%02x)", c); + fprintf(stderr, "(%02x)", c); } } - putchar('\n'); + putc('\n', stderr); } void @@ -2360,23 +2524,23 @@ strhandle(void) strparse(); par = (narg = strescseq.narg) ? atoi(strescseq.args[0]) : 0; - switch(strescseq.type) { + switch (strescseq.type) { case ']': /* OSC -- Operating System Command */ - switch(par) { + switch (par) { case 0: case 1: case 2: - if(narg > 1) + if (narg > 1) xsettitle(strescseq.args[1]); return; case 4: /* color set */ - if(narg < 3) + if (narg < 3) break; p = strescseq.args[2]; /* FALLTHROUGH */ case 104: /* color reset, here p = NULL */ j = (narg > 1) ? atoi(strescseq.args[1]) : -1; - if(xsetcolorname(j, p)) { + if (xsetcolorname(j, p)) { fprintf(stderr, "erresc: invalid color %s\n", p); } else { /* @@ -2392,6 +2556,7 @@ strhandle(void) xsettitle(strescseq.args[0]); return; case 'P': /* DCS -- Device Control String */ + term.mode |= ESC_DCS; case '_': /* APC -- Application Program Command */ case '^': /* PM -- Privacy Message */ return; @@ -2410,14 +2575,14 @@ strparse(void) strescseq.narg = 0; strescseq.buf[strescseq.len] = '\0'; - if(*p == '\0') + if (*p == '\0') return; - while(strescseq.narg < STR_ARG_SIZ) { + while (strescseq.narg < STR_ARG_SIZ) { strescseq.args[strescseq.narg++] = p; - while((c = *p) != ';' && c != '\0') + while ((c = *p) != ';' && c != '\0') ++p; - if(c == '\0') + if (c == '\0') return; *p++ = '\0'; } @@ -2429,24 +2594,25 @@ strdump(void) int i; uint c; - printf("ESC%c", strescseq.type); - for(i = 0; i < strescseq.len; i++) { + fprintf(stderr, "ESC%c", strescseq.type); + for (i = 0; i < strescseq.len; i++) { c = strescseq.buf[i] & 0xff; - if(c == '\0') { + if (c == '\0') { + putc('\n', stderr); return; - } else if(isprint(c)) { - putchar(c); - } else if(c == '\n') { - printf("(\\n)"); - } else if(c == '\r') { - printf("(\\r)"); - } else if(c == 0x1b) { - printf("(\\e)"); + } else if (isprint(c)) { + putc(c, stderr); + } else if (c == '\n') { + fprintf(stderr, "(\\n)"); + } else if (c == '\r') { + fprintf(stderr, "(\\r)"); + } else if (c == 0x1b) { + fprintf(stderr, "(\\e)"); } else { - printf("(%02x)", c); + fprintf(stderr, "(%02x)", c); } } - printf("ESC\\\n"); + fprintf(stderr, "ESC\\\n"); } void @@ -2455,10 +2621,17 @@ strreset(void) memset(&strescseq, 0, sizeof(strescseq)); } +void +sendbreak(const Arg *arg) +{ + if (tcsendbreak(cmdfd, 0)) + perror("Error sending break"); +} + void tprinter(char *s, size_t len) { - if(iofd != -1 && xwrite(iofd, s, len) < 0) { + if (iofd != -1 && xwrite(iofd, s, len) < 0) { fprintf(stderr, "Error writing in %s:%s\n", opt_io, strerror(errno)); close(iofd); @@ -2466,6 +2639,30 @@ tprinter(char *s, size_t len) } } +void +iso14755(const Arg *arg) +{ + char cmd[sizeof(ISO14755CMD) + NUMMAXLEN(xw.win)]; + FILE *p; + char *us, *e, codepoint[9], uc[UTF_SIZ]; + unsigned long utf32; + + snprintf(cmd, sizeof(cmd), ISO14755CMD, xw.win); + if (!(p = popen(cmd, "r"))) + return; + + us = fgets(codepoint, sizeof(codepoint), p); + pclose(p); + + if (!us || *us == '\0' || *us == '-' || strlen(us) > 7) + return; + if ((utf32 = strtoul(us, &e, 16)) == ULONG_MAX || + (*e != '\n' && *e != '\0')) + return; + + ttysend(uc, utf8encode(utf32, uc)); +} + void toggleprinter(const Arg *arg) { @@ -2489,7 +2686,7 @@ tdumpsel(void) { char *ptr; - if((ptr = getsel())) { + if ((ptr = getsel())) { tprinter(ptr, strlen(ptr)); free(ptr); } @@ -2503,8 +2700,8 @@ tdumpline(int n) bp = &term.line[n][0]; end = &bp[MIN(tlinelen(n), term.col) - 1]; - if(bp != end || bp->u != ' ') { - for( ;bp <= end; ++bp) + if (bp != end || bp->u != ' ') { + for ( ;bp <= end; ++bp) tprinter(buf, utf8encode(bp->u, buf)); } tprinter("\n", 1); @@ -2515,7 +2712,7 @@ tdump(void) { int i; - for(i = 0; i < term.row; ++i) + for (i = 0; i < term.row; ++i) tdumpline(i); } @@ -2524,13 +2721,13 @@ tputtab(int n) { uint x = term.c.x; - if(n > 0) { - while(x < term.col && n--) - for(++x; x < term.col && !term.tabs[x]; ++x) + if (n > 0) { + while (x < term.col && n--) + for (++x; x < term.col && !term.tabs[x]; ++x) /* nothing */ ; - } else if(n < 0) { - while(x > 0 && n++) - for(--x; x > 0 && !term.tabs[x]; --x) + } else if (n < 0) { + while (x > 0 && n++) + for (--x; x > 0 && !term.tabs[x]; --x) /* nothing */ ; } term.c.x = LIMIT(x, 0, term.col-1); @@ -2539,12 +2736,12 @@ tputtab(int n) void techo(Rune u) { - if(ISCONTROL(u)) { /* control code */ - if(u & 0x80) { + if (ISCONTROL(u)) { /* control code */ + if (u & 0x80) { u &= 0x7f; tputc('^'); tputc('['); - } else if(u != '\n' && u != '\r' && u != '\t') { + } else if (u != '\n' && u != '\r' && u != '\t') { u ^= 0x40; tputc('^'); } @@ -2552,6 +2749,15 @@ techo(Rune u) tputc(u); } +void +tdefutf8(char ascii) +{ + if (ascii == 'G') + term.mode |= MODE_UTF8; + else if (ascii == '@') + term.mode &= ~MODE_UTF8; +} + void tdeftran(char ascii) { @@ -2559,7 +2765,7 @@ tdeftran(char ascii) static int vcs[] = {CS_GRAPHIC0, CS_USA}; char *p; - if((p = strchr(cs, ascii)) == NULL) { + if ((p = strchr(cs, ascii)) == NULL) { fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii); } else { term.trantbl[term.icharset] = vcs[p - cs]; @@ -2571,9 +2777,9 @@ tdectest(char c) { int x, y; - if(c == '8') { /* DEC screen alignment test. */ - for(x = 0; x < term.col; ++x) { - for(y = 0; y < term.row; ++y) + if (c == '8') { /* DEC screen alignment test. */ + for (x = 0; x < term.col; ++x) { + for (y = 0; y < term.row; ++y) tsetchar('E', &term.c.attr, x, y); } } @@ -2582,9 +2788,12 @@ tdectest(char c) void tstrsequence(uchar c) { + strreset(); + switch (c) { case 0x90: /* DCS -- Device Control String */ c = 'P'; + term.esc |= ESC_DCS; break; case 0x9f: /* APC -- Application Program Command */ c = '_'; @@ -2596,7 +2805,6 @@ tstrsequence(uchar c) c = ']'; break; } - strreset(); strescseq.type = c; term.esc |= ESC_STR; } @@ -2604,7 +2812,7 @@ tstrsequence(uchar c) void tcontrolcode(uchar ascii) { - switch(ascii) { + switch (ascii) { case '\t': /* HT */ tputtab(1); return; @@ -2621,11 +2829,11 @@ tcontrolcode(uchar ascii) tnewline(IS_SET(MODE_CRLF)); return; case '\a': /* BEL */ - if(term.esc & ESC_STR_END) { + if (term.esc & ESC_STR_END) { /* backwards compatibility to xterm */ strhandle(); } else { - if(!(xw.state & WIN_FOCUSED)) + if (!(xw.state & WIN_FOCUSED)) xseturgency(1); if (bellvolume) XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL); @@ -2651,18 +2859,37 @@ tcontrolcode(uchar ascii) case '\023': /* XOFF (IGNORED) */ case 0177: /* DEL (IGNORED) */ return; + case 0x80: /* TODO: PAD */ + case 0x81: /* TODO: HOP */ + case 0x82: /* TODO: BPH */ + case 0x83: /* TODO: NBH */ case 0x84: /* TODO: IND */ break; case 0x85: /* NEL -- Next line */ tnewline(1); /* always go to first col */ break; + case 0x86: /* TODO: SSA */ + case 0x87: /* TODO: ESA */ + break; case 0x88: /* HTS -- Horizontal tab stop */ term.tabs[term.c.x] = 1; break; + case 0x89: /* TODO: HTJ */ + case 0x8a: /* TODO: VTS */ + case 0x8b: /* TODO: PLD */ + case 0x8c: /* TODO: PLU */ case 0x8d: /* TODO: RI */ case 0x8e: /* TODO: SS2 */ case 0x8f: /* TODO: SS3 */ + case 0x91: /* TODO: PU1 */ + case 0x92: /* TODO: PU2 */ + case 0x93: /* TODO: STS */ + case 0x94: /* TODO: CCH */ + case 0x95: /* TODO: MW */ + case 0x96: /* TODO: SPA */ + case 0x97: /* TODO: EPA */ case 0x98: /* TODO: SOS */ + case 0x99: /* TODO: SGCI */ break; case 0x9a: /* DECID -- Identify Terminal */ ttywrite(vtiden, sizeof(vtiden) - 1); @@ -2671,9 +2898,9 @@ tcontrolcode(uchar ascii) case 0x9c: /* TODO: ST */ break; case 0x90: /* DCS -- Device Control String */ - case 0x9f: /* APC -- Application Program Command */ - case 0x9e: /* PM -- Privacy Message */ case 0x9d: /* OSC -- Operating System Command */ + case 0x9e: /* PM -- Privacy Message */ + case 0x9f: /* APC -- Application Program Command */ tstrsequence(ascii); return; } @@ -2688,13 +2915,16 @@ tcontrolcode(uchar ascii) int eschandle(uchar ascii) { - switch(ascii) { + switch (ascii) { case '[': term.esc |= ESC_CSI; return 0; case '#': term.esc |= ESC_TEST; return 0; + case '%': + term.esc |= ESC_UTF8; + return 0; case 'P': /* DCS -- Device Control String */ case '_': /* APC -- Application Program Command */ case '^': /* PM -- Privacy Message */ @@ -2714,7 +2944,7 @@ eschandle(uchar ascii) term.esc |= ESC_ALTCHARSET; return 0; case 'D': /* IND -- Linefeed */ - if(term.c.y == term.bot) { + if (term.c.y == term.bot) { tscrollup(term.top, 1); } else { tmoveto(term.c.x, term.c.y+1); @@ -2727,7 +2957,7 @@ eschandle(uchar ascii) term.tabs[term.c.x] = 1; break; case 'M': /* RI -- Reverse index */ - if(term.c.y == term.top) { + if (term.c.y == term.top) { tscrolldown(term.top, 1); } else { tmoveto(term.c.x, term.c.y-1); @@ -2754,7 +2984,7 @@ eschandle(uchar ascii) tcursor(CURSOR_LOAD); break; case '\\': /* ST -- String Terminator */ - if(term.esc & ESC_STR_END) + if (term.esc & ESC_STR_END) strhandle(); break; default: @@ -2773,15 +3003,20 @@ tputc(Rune u) int width, len; Glyph *gp; - len = utf8encode(u, c); - if((width = wcwidth(u)) == -1) { - memcpy(c, "\357\277\275", 4); /* UTF_INVALID */ - width = 1; + control = ISCONTROL(u); + if (!IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL)) { + c[0] = u; + width = len = 1; + } else { + len = utf8encode(u, c); + if (!control && (width = wcwidth(u)) == -1) { + memcpy(c, "\357\277\275", 4); /* UTF_INVALID */ + width = 1; + } } - if(IS_SET(MODE_PRINT)) + if (IS_SET(MODE_PRINT)) tprinter(c, len); - control = ISCONTROL(u); /* * STR sequence must be checked before anything else @@ -2789,48 +3024,65 @@ tputc(Rune u) * receives a ESC, a SUB, a ST or any other C1 control * character. */ - if(term.esc & ESC_STR) { - if(u == '\a' || u == 030 || u == 032 || u == 033 || + if (term.esc & ESC_STR) { + if (u == '\a' || u == 030 || u == 032 || u == 033 || ISCONTROLC1(u)) { - term.esc &= ~(ESC_START|ESC_STR); + term.esc &= ~(ESC_START|ESC_STR|ESC_DCS); + if (IS_SET(MODE_SIXEL)) { + /* TODO: render sixel */; + term.mode &= ~MODE_SIXEL; + return; + } term.esc |= ESC_STR_END; - } else if(strescseq.len + len < sizeof(strescseq.buf) - 1) { - memmove(&strescseq.buf[strescseq.len], c, len); - strescseq.len += len; + goto check_control_code; + } + + + if (IS_SET(MODE_SIXEL)) { + /* TODO: implement sixel mode */ return; - } else { - /* - * Here is a bug in terminals. If the user never sends - * some code to stop the str or esc command, then st - * will stop responding. But this is better than - * silently failing with unknown characters. At least - * then users will report back. - * - * In the case users ever get fixed, here is the code: - */ - /* - * term.esc = 0; - * strhandle(); - */ + } + if (term.esc&ESC_DCS && strescseq.len == 0 && u == 'q') + term.mode |= MODE_SIXEL; + + if (strescseq.len+len >= sizeof(strescseq.buf)-1) { + /* + * Here is a bug in terminals. If the user never sends + * some code to stop the str or esc command, then st + * will stop responding. But this is better than + * silently failing with unknown characters. At least + * then users will report back. + * + * In the case users ever get fixed, here is the code: + */ + /* + * term.esc = 0; + * strhandle(); + */ return; } + + memmove(&strescseq.buf[strescseq.len], c, len); + strescseq.len += len; + return; } +check_control_code: /* * Actions of control codes must be performed as soon they arrive * because they can be embedded inside a control sequence, and * they must not cause conflicts with sequences. */ - if(control) { + if (control) { tcontrolcode(u); /* * control codes are not shown ever */ return; - } else if(term.esc & ESC_START) { - if(term.esc & ESC_CSI) { + } else if (term.esc & ESC_START) { + if (term.esc & ESC_CSI) { csiescseq.buf[csiescseq.len++] = u; - if(BETWEEN(u, 0x40, 0x7E) + if (BETWEEN(u, 0x40, 0x7E) || csiescseq.len >= \ sizeof(csiescseq.buf)-1) { term.esc = 0; @@ -2838,9 +3090,11 @@ tputc(Rune u) csihandle(); } return; - } else if(term.esc & ESC_ALTCHARSET) { + } else if (term.esc & ESC_UTF8) { + tdefutf8(u); + } else if (term.esc & ESC_ALTCHARSET) { tdeftran(u); - } else if(term.esc & ESC_TEST) { + } else if (term.esc & ESC_TEST) { tdectest(u); } else { if (!eschandle(u)) @@ -2854,34 +3108,34 @@ tputc(Rune u) */ return; } - if(sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y)) + if (sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y)) selclear(NULL); gp = &term.line[term.c.y][term.c.x]; - if(IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) { + if (IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) { gp->mode |= ATTR_WRAP; tnewline(1); gp = &term.line[term.c.y][term.c.x]; } - if(IS_SET(MODE_INSERT) && term.c.x+width < term.col) + if (IS_SET(MODE_INSERT) && term.c.x+width < term.col) memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph)); - if(term.c.x+width > term.col) { + if (term.c.x+width > term.col) { tnewline(1); gp = &term.line[term.c.y][term.c.x]; } tsetchar(u, &term.c.attr, term.c.x, term.c.y); - if(width == 2) { + if (width == 2) { gp->mode |= ATTR_WIDE; - if(term.c.x+1 < term.col) { + if (term.c.x+1 < term.col) { gp[1].u = '\0'; gp[1].mode = ATTR_WDUMMY; } } - if(term.c.x+width < term.col) { + if (term.c.x+width < term.col) { tmoveto(term.c.x+width, term.c.y); } else { term.c.state |= CURSOR_WRAPNEXT; @@ -2897,7 +3151,7 @@ tresize(int col, int row) int *bp; TCursor c; - if(col < 1 || row < 1) { + if (col < 1 || row < 1) { fprintf(stderr, "tresize: error resizing to %dx%d\n", col, row); return; @@ -2908,7 +3162,7 @@ tresize(int col, int row) * tscrollup would work here, but we can optimize to * memmove because we're freeing the earlier lines */ - for(i = 0; i <= term.c.y - row; i++) { + for (i = 0; i <= term.c.y - row; i++) { free(term.line[i]); free(term.alt[i]); } @@ -2917,7 +3171,7 @@ tresize(int col, int row) memmove(term.line, term.line + i, row * sizeof(Line)); memmove(term.alt, term.alt + i, row * sizeof(Line)); } - for(i += row; i < term.row; i++) { + for (i += row; i < term.row; i++) { free(term.line[i]); free(term.alt[i]); } @@ -2932,23 +3186,23 @@ tresize(int col, int row) term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs)); /* resize each row to new width, zero-pad if needed */ - for(i = 0; i < minrow; i++) { + for (i = 0; i < minrow; i++) { term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph)); term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph)); } /* allocate any new rows */ - for(/* i == minrow */; i < row; i++) { + for (/* i == minrow */; i < row; i++) { term.line[i] = xmalloc(col * sizeof(Glyph)); term.alt[i] = xmalloc(col * sizeof(Glyph)); } - if(col > term.col) { + if (col > term.col) { bp = term.tabs + term.col; memset(bp, 0, sizeof(*term.tabs) * (col - term.col)); - while(--bp > term.tabs && !*bp) + while (--bp > term.tabs && !*bp) /* nothing */ ; - for(bp += tabspaces; bp < term.tabs + col; bp += tabspaces) + for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces) *bp = 1; } /* update terminal size */ @@ -2960,11 +3214,11 @@ tresize(int col, int row) tmoveto(term.c.x, term.c.y); /* Clearing both screens (it makes dirty all lines) */ c = term.c; - for(i = 0; i < 2; i++) { - if(mincol < col && 0 < minrow) { + for (i = 0; i < 2; i++) { + if (mincol < col && 0 < minrow) { tclearregion(mincol, 0, col - 1, minrow - 1); } - if(0 < col && minrow < row) { + if (0 < col && minrow < row) { tclearregion(0, minrow, col - 1, row - 1); } tswapscreen(); @@ -2997,9 +3251,9 @@ xloadcolor(int i, const char *name, Color *ncolor) { XRenderColor color = { .alpha = 0xffff }; - if(!name) { - if(BETWEEN(i, 16, 255)) { /* 256 color */ - if(i < 6*6*6+16) { /* same colors as xterm */ + if (!name) { + if (BETWEEN(i, 16, 255)) { /* 256 color */ + if (i < 6*6*6+16) { /* same colors as xterm */ color.red = sixd_to_16bit( ((i-16)/36)%6 ); color.green = sixd_to_16bit( ((i-16)/6) %6 ); color.blue = sixd_to_16bit( ((i-16)/1) %6 ); @@ -3012,6 +3266,7 @@ xloadcolor(int i, const char *name, Color *ncolor) } else name = colorname[i]; } + return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor); } @@ -3022,14 +3277,14 @@ xloadcols(void) static int loaded; Color *cp; - if(loaded) { + if (loaded) { for (cp = dc.col; cp < &dc.col[LEN(dc.col)]; ++cp) XftColorFree(xw.dpy, xw.vis, xw.cmap, cp); } - for(i = 0; i < LEN(dc.col); i++) - if(!xloadcolor(i, NULL, &dc.col[i])) { - if(colorname[i]) + for (i = 0; i < LEN(dc.col); i++) + if (!xloadcolor(i, NULL, &dc.col[i])) { + if (colorname[i]) die("Could not allocate color '%s'\n", colorname[i]); else die("Could not allocate color %d\n", i); @@ -3042,27 +3297,17 @@ xsetcolorname(int x, const char *name) { Color ncolor; - if(!BETWEEN(x, 0, LEN(dc.col))) + if (!BETWEEN(x, 0, LEN(dc.col))) return 1; - if(!xloadcolor(x, name, &ncolor)) + if (!xloadcolor(x, name, &ncolor)) return 1; XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]); dc.col[x] = ncolor; - return 0; -} -void -xtermclear(int col1, int row1, int col2, int row2) -{ - XftDrawRect(xw.draw, - &dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg], - borderpx + col1 * xw.cw, - borderpx + row1 * xw.ch, - (col2-col1+1) * xw.cw, - (row2-row1+1) * xw.ch); + return 0; } /* @@ -3079,7 +3324,8 @@ xclear(int x1, int y1, int x2, int y2) void xhints(void) { - XClassHint class = {opt_class ? opt_class : termname, termname}; + XClassHint class = {opt_name ? opt_name : termname, + opt_class ? opt_class : termname}; XWMHints wm = {.flags = InputHint, .input = 1}; XSizeHints *sizeh = NULL; @@ -3092,12 +3338,12 @@ xhints(void) sizeh->width_inc = xw.cw; sizeh->base_height = 2 * borderpx; sizeh->base_width = 2 * borderpx; - if(xw.isfixed) { + if (xw.isfixed) { sizeh->flags |= PMaxSize | PMinSize; sizeh->min_width = sizeh->max_width = xw.w; sizeh->min_height = sizeh->max_height = xw.h; } - if(xw.gm & (XValue|YValue)) { + if (xw.gm & (XValue|YValue)) { sizeh->flags |= USPosition | PWinGravity; sizeh->x = xw.l; sizeh->y = xw.t; @@ -3112,7 +3358,7 @@ xhints(void) int xgeommasktogravity(int mask) { - switch(mask & (XNegative|YNegative)) { + switch (mask & (XNegative|YNegative)) { case 0: return NorthWestGravity; case XNegative: @@ -3120,6 +3366,7 @@ xgeommasktogravity(int mask) case YNegative: return SouthWestGravity; } + return SouthEastGravity; } @@ -3128,16 +3375,44 @@ xloadfont(Font *f, FcPattern *pattern) { FcPattern *match; FcResult result; + XGlyphInfo extents; + int wantattr, haveattr; - match = FcFontMatch(NULL, pattern, &result); - if(!match) + match = XftFontMatch(xw.dpy, xw.scr, pattern, &result); + if (!match) return 1; - if(!(f->match = XftFontOpenPattern(xw.dpy, match))) { + if (!(f->match = XftFontOpenPattern(xw.dpy, match))) { FcPatternDestroy(match); return 1; } + if ((XftPatternGetInteger(pattern, "slant", 0, &wantattr) == + XftResultMatch)) { + /* + * Check if xft was unable to find a font with the appropriate + * slant but gave us one anyway. Try to mitigate. + */ + if ((XftPatternGetInteger(f->match->pattern, "slant", 0, + &haveattr) != XftResultMatch) || haveattr < wantattr) { + f->badslant = 1; + fputs("st: font slant does not match\n", stderr); + } + } + + if ((XftPatternGetInteger(pattern, "weight", 0, &wantattr) == + XftResultMatch)) { + if ((XftPatternGetInteger(f->match->pattern, "weight", 0, + &haveattr) != XftResultMatch) || haveattr != wantattr) { + f->badweight = 1; + fputs("st: font weight does not match\n", stderr); + } + } + + XftTextExtentsUtf8(xw.dpy, f->match, + (const FcChar8 *) ascii_printable, + strlen(ascii_printable), &extents); + f->set = NULL; f->pattern = FcPatternDuplicate(pattern); @@ -3147,7 +3422,7 @@ xloadfont(Font *f, FcPattern *pattern) f->rbearing = f->match->max_advance_width; f->height = f->ascent + f->descent; - f->width = f->lbearing + f->rbearing; + f->width = DIVCEIL(extents.xOff, strlen(ascii_printable)); return 0; } @@ -3159,25 +3434,25 @@ xloadfonts(char *fontstr, double fontsize) double fontval; float ceilf(float); - if(fontstr[0] == '-') { + if (fontstr[0] == '-') { pattern = XftXlfdParse(fontstr, False, False); } else { pattern = FcNameParse((FcChar8 *)fontstr); } - if(!pattern) + if (!pattern) die("st: can't open font %s\n", fontstr); - if(fontsize > 1) { + if (fontsize > 1) { FcPatternDel(pattern, FC_PIXEL_SIZE); FcPatternDel(pattern, FC_SIZE); FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize); usedfontsize = fontsize; } else { - if(FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) == + if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) == FcResultMatch) { usedfontsize = fontval; - } else if(FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) == + } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) == FcResultMatch) { usedfontsize = -1; } else { @@ -3191,17 +3466,17 @@ xloadfonts(char *fontstr, double fontsize) defaultfontsize = usedfontsize; } - FcConfigSubstitute(0, pattern, FcMatchPattern); - FcDefaultSubstitute(pattern); - - if(xloadfont(&dc.font, pattern)) + if (xloadfont(&dc.font, pattern)) die("st: can't open font %s\n", fontstr); - if(usedfontsize < 0) { + if (usedfontsize < 0) { FcPatternGetDouble(dc.font.match->pattern, FC_PIXEL_SIZE, 0, &fontval); + FcPatternAddDouble(pattern, FC_PIXEL_SIZE, fontval); + if (xloadfont(&dc.font, pattern)) + die("st: can't open font %s\n", fontstr); usedfontsize = fontval; - if(fontsize == 0) + if (fontsize == 0) defaultfontsize = fontval; } @@ -3211,17 +3486,17 @@ xloadfonts(char *fontstr, double fontsize) FcPatternDel(pattern, FC_SLANT); FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC); - if(xloadfont(&dc.ifont, pattern)) + if (xloadfont(&dc.ifont, pattern)) die("st: can't open font %s\n", fontstr); FcPatternDel(pattern, FC_WEIGHT); FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD); - if(xloadfont(&dc.ibfont, pattern)) + if (xloadfont(&dc.ibfont, pattern)) die("st: can't open font %s\n", fontstr); FcPatternDel(pattern, FC_SLANT); FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN); - if(xloadfont(&dc.bfont, pattern)) + if (xloadfont(&dc.bfont, pattern)) die("st: can't open font %s\n", fontstr); FcPatternDestroy(pattern); @@ -3232,7 +3507,7 @@ xunloadfont(Font *f) { XftFontClose(xw.dpy, f->match); FcPatternDestroy(f->pattern); - if(f->set) + if (f->set) FcFontSetDestroy(f->set); } @@ -3240,7 +3515,7 @@ void xunloadfonts(void) { /* Free the loaded fonts in the font cache. */ - while(frclen > 0) + while (frclen > 0) XftFontClose(xw.dpy, frc[--frclen].font); xunloadfont(&dc.font); @@ -3264,6 +3539,7 @@ xzoomabs(const Arg *arg) xunloadfonts(); xloadfonts(usedfont, arg->f); cresize(0, 0); + ttyresize(); redraw(); xhints(); } @@ -3273,7 +3549,7 @@ xzoomreset(const Arg *arg) { Arg larg; - if(defaultfontsize > 0) { + if (defaultfontsize > 0) { larg.f = defaultfontsize; xzoomabs(&larg); } @@ -3286,14 +3562,15 @@ xinit(void) Cursor cursor; Window parent; pid_t thispid = getpid(); + XColor xmousefg, xmousebg; - if(!(xw.dpy = XOpenDisplay(NULL))) + if (!(xw.dpy = XOpenDisplay(NULL))) die("Can't open display\n"); xw.scr = XDefaultScreen(xw.dpy); xw.vis = XDefaultVisual(xw.dpy, xw.scr); /* font */ - if(!FcInit()) + if (!FcInit()) die("Could not init fontconfig.\n"); usedfont = (opt_font == NULL)? font : opt_font; @@ -3306,10 +3583,10 @@ xinit(void) /* adjust fixed window geometry */ xw.w = 2 * borderpx + term.col * xw.cw; xw.h = 2 * borderpx + term.row * xw.ch; - if(xw.gm & XNegative) + if (xw.gm & XNegative) xw.l += DisplayWidth(xw.dpy, xw.scr) - xw.w - 2; - if(xw.gm & YNegative) - xw.t += DisplayWidth(xw.dpy, xw.scr) - xw.h - 2; + if (xw.gm & YNegative) + xw.t += DisplayHeight(xw.dpy, xw.scr) - xw.h - 2; /* Events */ xw.attrs.background_pixel = dc.col[defaultbg].pixel; @@ -3340,11 +3617,11 @@ xinit(void) xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap); /* input methods */ - if((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) { + if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) { XSetLocaleModifiers("@im=local"); - if((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) { + if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) { XSetLocaleModifiers("@im="); - if((xw.xim = XOpenIM(xw.dpy, + if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) { die("XOpenIM failed. Could not open input" " device.\n"); @@ -3354,15 +3631,26 @@ xinit(void) xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, XNClientWindow, xw.win, XNFocusWindow, xw.win, NULL); - if(xw.xic == NULL) + if (xw.xic == NULL) die("XCreateIC failed. Could not obtain input method.\n"); /* white cursor, black outline */ - cursor = XCreateFontCursor(xw.dpy, XC_xterm); + cursor = XCreateFontCursor(xw.dpy, mouseshape); XDefineCursor(xw.dpy, xw.win, cursor); - XRecolorCursor(xw.dpy, cursor, - &(XColor){.red = 0xffff, .green = 0xffff, .blue = 0xffff}, - &(XColor){.red = 0x0000, .green = 0x0000, .blue = 0x0000}); + + if (XParseColor(xw.dpy, xw.cmap, colorname[mousefg], &xmousefg) == 0) { + xmousefg.red = 0xffff; + xmousefg.green = 0xffff; + xmousefg.blue = 0xffff; + } + + if (XParseColor(xw.dpy, xw.cmap, colorname[mousebg], &xmousebg) == 0) { + xmousebg.red = 0x0000; + xmousebg.green = 0x0000; + xmousebg.blue = 0x0000; + } + + XRecolorCursor(xw.dpy, cursor, &xmousefg, &xmousebg); xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False); xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False); @@ -3395,28 +3683,28 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x FcCharSet *fccharset; int i, f, numspecs = 0; - for(i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) { + for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) { /* Fetch rune and mode for current glyph. */ rune = glyphs[i].u; mode = glyphs[i].mode; /* Skip dummy wide-character spacing. */ - if(mode == ATTR_WDUMMY) + if (mode == ATTR_WDUMMY) continue; /* Determine font for glyph if different from previous glyph. */ - if(prevmode != mode) { + if (prevmode != mode) { prevmode = mode; font = &dc.font; frcflags = FRC_NORMAL; runewidth = xw.cw * ((mode & ATTR_WIDE) ? 2.0f : 1.0f); - if((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) { + if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) { font = &dc.ibfont; frcflags = FRC_ITALICBOLD; - } else if(mode & ATTR_ITALIC) { + } else if (mode & ATTR_ITALIC) { font = &dc.ifont; frcflags = FRC_ITALIC; - } else if(mode & ATTR_BOLD) { + } else if (mode & ATTR_BOLD) { font = &dc.bfont; frcflags = FRC_BOLD; } @@ -3425,7 +3713,7 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x /* Lookup character index with default font. */ glyphidx = XftCharIndex(xw.dpy, font->match, rune); - if(glyphidx) { + if (glyphidx) { specs[numspecs].font = font->match; specs[numspecs].glyph = glyphidx; specs[numspecs].x = (short)xp; @@ -3436,21 +3724,21 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x } /* Fallback on font cache, search the font cache for match. */ - for(f = 0; f < frclen; f++) { + for (f = 0; f < frclen; f++) { glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune); /* Everything correct. */ - if(glyphidx && frc[f].flags == frcflags) + if (glyphidx && frc[f].flags == frcflags) break; /* We got a default font for a not found glyph. */ - if(!glyphidx && frc[f].flags == frcflags + if (!glyphidx && frc[f].flags == frcflags && frc[f].unicodep == rune) { break; } } /* Nothing was found. Use fontconfig to find matching font. */ - if(f >= frclen) { - if(!font->set) + if (f >= frclen) { + if (!font->set) font->set = FcFontSort(0, font->pattern, 1, 0, &fcres); fcsets[0] = font->set; @@ -3480,7 +3768,7 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x /* * Overwrite or create the new cache entry. */ - if(frclen >= LEN(frc)) { + if (frclen >= LEN(frc)) { frclen = LEN(frc) - 1; XftFontClose(xw.dpy, frc[frclen].font); frc[frclen].unicodep = 0; @@ -3503,7 +3791,7 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x specs[numspecs].font = frc[f].font; specs[numspecs].glyph = glyphidx; specs[numspecs].x = (short)xp; - specs[numspecs].y = (short)(winy + frc[f].font->ascent); + specs[numspecs].y = (short)yp; xp += runewidth; numspecs++; } @@ -3521,17 +3809,16 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i XRenderColor colfg, colbg; XRectangle r; - /* Determine foreground and background colors based on mode. */ - if(base.fg == defaultfg) { - if(base.mode & ATTR_ITALIC) - base.fg = defaultitalic; - else if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD)) - base.fg = defaultitalic; - else if(base.mode & ATTR_UNDERLINE) - base.fg = defaultunderline; + /* Fallback on color display for attributes not supported by the font */ + if (base.mode & ATTR_ITALIC && base.mode & ATTR_BOLD) { + if (dc.ibfont.badslant || dc.ibfont.badweight) + base.fg = defaultattr; + } else if ((base.mode & ATTR_ITALIC && dc.ifont.badslant) || + (base.mode & ATTR_BOLD && dc.bfont.badweight)) { + base.fg = defaultattr; } - if(IS_TRUECOL(base.fg)) { + if (IS_TRUECOL(base.fg)) { colfg.alpha = 0xffff; colfg.red = TRUERED(base.fg); colfg.green = TRUEGREEN(base.fg); @@ -3542,7 +3829,7 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i fg = &dc.col[base.fg]; } - if(IS_TRUECOL(base.bg)) { + if (IS_TRUECOL(base.bg)) { colbg.alpha = 0xffff; colbg.green = TRUEGREEN(base.bg); colbg.red = TRUERED(base.bg); @@ -3554,11 +3841,11 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i } /* Change basic system colors [0-7] to bright system colors [8-15] */ - if((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7)) + if ((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7)) fg = &dc.col[base.fg + 8]; - if(IS_SET(MODE_REVERSE)) { - if(fg == &dc.col[defaultfg]) { + if (IS_SET(MODE_REVERSE)) { + if (fg == &dc.col[defaultfg]) { fg = &dc.col[defaultbg]; } else { colfg.red = ~fg->color.red; @@ -3570,7 +3857,7 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i fg = &revfg; } - if(bg == &dc.col[defaultbg]) { + if (bg == &dc.col[defaultbg]) { bg = &dc.col[defaultfg]; } else { colbg.red = ~bg->color.red; @@ -3583,13 +3870,13 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i } } - if(base.mode & ATTR_REVERSE) { + if (base.mode & ATTR_REVERSE) { temp = fg; fg = bg; bg = temp; } - if((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) { + if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) { colfg.red = fg->color.red / 2; colfg.green = fg->color.green / 2; colfg.blue = fg->color.blue / 2; @@ -3597,24 +3884,24 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i fg = &revfg; } - if(base.mode & ATTR_BLINK && term.mode & MODE_BLINK) + if (base.mode & ATTR_BLINK && term.mode & MODE_BLINK) fg = bg; - if(base.mode & ATTR_INVISIBLE) + if (base.mode & ATTR_INVISIBLE) fg = bg; /* Intelligent cleaning up of the borders. */ - if(x == 0) { + if (x == 0) { xclear(0, (y == 0)? 0 : winy, borderpx, winy + xw.ch + ((y >= term.row-1)? xw.h : 0)); } - if(x + charlen >= term.col) { + if (x + charlen >= term.col) { xclear(winx + width, (y == 0)? 0 : winy, xw.w, ((y >= term.row-1)? xw.h : (winy + xw.ch))); } - if(y == 0) + if (y == 0) xclear(winx, 0, winx + width, borderpx); - if(y == term.row-1) + if (y == term.row-1) xclear(winx, winy + xw.ch, winx + width, xw.h); /* Clean up the region we want to draw to. */ @@ -3631,12 +3918,12 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i XftDrawGlyphFontSpec(xw.draw, fg, specs, len); /* Render underline and strikethrough. */ - if(base.mode & ATTR_UNDERLINE) { + if (base.mode & ATTR_UNDERLINE) { XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1, width, 1); } - if(base.mode & ATTR_STRUCK) { + if (base.mode & ATTR_STRUCK) { XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3, width, 1); } @@ -3650,6 +3937,7 @@ xdrawglyph(Glyph g, int x, int y) { int numspecs; XftGlyphFontSpec spec; + numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y); xdrawglyphfontspecs(&spec, g, numspecs, x, y); } @@ -3659,7 +3947,9 @@ xdrawcursor(void) { static int oldx = 0, oldy = 0; int curx; - Glyph g = {' ', ATTR_NULL, defaultbg, defaultcs}; + Glyph g = {' ', ATTR_NULL, defaultbg, defaultcs}, og; + int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN); + Color drawcol; LIMIT(oldx, 0, term.col-1); LIMIT(oldy, 0, term.row-1); @@ -3667,63 +3957,86 @@ xdrawcursor(void) curx = term.c.x; /* adjust position if in dummy */ - if(term.line[oldy][oldx].mode & ATTR_WDUMMY) + if (term.line[oldy][oldx].mode & ATTR_WDUMMY) oldx--; - if(term.line[term.c.y][curx].mode & ATTR_WDUMMY) + if (term.line[term.c.y][curx].mode & ATTR_WDUMMY) curx--; + /* remove the old cursor */ + og = term.line[oldy][oldx]; + if (ena_sel && selected(oldx, oldy)) + og.mode ^= ATTR_REVERSE; + xdrawglyph(og, oldx, oldy); + g.u = term.line[term.c.y][term.c.x].u; - /* remove the old cursor */ - xdrawglyph(term.line[oldy][oldx], oldx, oldy); + /* + * Select the right color for the right mode. + */ + if (IS_SET(MODE_REVERSE)) { + g.mode |= ATTR_REVERSE; + g.bg = defaultfg; + if (ena_sel && selected(term.c.x, term.c.y)) { + drawcol = dc.col[defaultcs]; + g.fg = defaultrcs; + } else { + drawcol = dc.col[defaultrcs]; + g.fg = defaultcs; + } + } else { + if (ena_sel && selected(term.c.x, term.c.y)) { + drawcol = dc.col[defaultrcs]; + g.fg = defaultfg; + g.bg = defaultrcs; + } else { + drawcol = dc.col[defaultcs]; + } + } - if(IS_SET(MODE_HIDE)) + if (IS_SET(MODE_HIDE)) return; /* draw the new one */ - if(xw.state & WIN_FOCUSED) { + if (xw.state & WIN_FOCUSED) { switch (xw.cursor) { - case 0: /* Blinking Block */ - case 1: /* Blinking Block (Default) */ - case 2: /* Steady Block */ - if(IS_SET(MODE_REVERSE)) { - g.mode |= ATTR_REVERSE; - g.fg = defaultcs; - g.bg = defaultfg; - } - - g.mode |= term.line[term.c.y][curx].mode & ATTR_WIDE; - xdrawglyph(g, term.c.x, term.c.y); - break; - case 3: /* Blinking Underline */ - case 4: /* Steady Underline */ - XftDrawRect(xw.draw, &dc.col[defaultcs], - borderpx + curx * xw.cw, - borderpx + (term.c.y + 1) * xw.ch - cursorthickness, - xw.cw, cursorthickness); - break; - case 5: /* Blinking bar */ - case 6: /* Steady bar */ - XftDrawRect(xw.draw, &dc.col[defaultcs], - borderpx + curx * xw.cw, - borderpx + term.c.y * xw.ch, - cursorthickness, xw.ch); - break; + case 7: /* st extension: snowman */ + utf8decode("☃", &g.u, UTF_SIZ); + case 0: /* Blinking Block */ + case 1: /* Blinking Block (Default) */ + case 2: /* Steady Block */ + g.mode |= term.line[term.c.y][curx].mode & ATTR_WIDE; + xdrawglyph(g, term.c.x, term.c.y); + break; + case 3: /* Blinking Underline */ + case 4: /* Steady Underline */ + XftDrawRect(xw.draw, &drawcol, + borderpx + curx * xw.cw, + borderpx + (term.c.y + 1) * xw.ch - \ + cursorthickness, + xw.cw, cursorthickness); + break; + case 5: /* Blinking bar */ + case 6: /* Steady bar */ + XftDrawRect(xw.draw, &drawcol, + borderpx + curx * xw.cw, + borderpx + term.c.y * xw.ch, + cursorthickness, xw.ch); + break; } } else { - XftDrawRect(xw.draw, &dc.col[defaultcs], + XftDrawRect(xw.draw, &drawcol, borderpx + curx * xw.cw, borderpx + term.c.y * xw.ch, xw.cw - 1, 1); - XftDrawRect(xw.draw, &dc.col[defaultcs], + XftDrawRect(xw.draw, &drawcol, borderpx + curx * xw.cw, borderpx + term.c.y * xw.ch, 1, xw.ch - 1); - XftDrawRect(xw.draw, &dc.col[defaultcs], + XftDrawRect(xw.draw, &drawcol, borderpx + (curx + 1) * xw.cw - 1, borderpx + term.c.y * xw.ch, 1, xw.ch - 1); - XftDrawRect(xw.draw, &dc.col[defaultcs], + XftDrawRect(xw.draw, &drawcol, borderpx + curx * xw.cw, borderpx + (term.c.y + 1) * xw.ch - 1, xw.cw, 1); @@ -3773,42 +4086,41 @@ drawregion(int x1, int y1, int x2, int y2) { int i, x, y, ox, numspecs; Glyph base, new; - XftGlyphFontSpec* specs; + XftGlyphFontSpec *specs; int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN); - if(!(xw.state & WIN_VISIBLE)) + if (!(xw.state & WIN_VISIBLE)) return; - for(y = y1; y < y2; y++) { - if(!term.dirty[y]) + for (y = y1; y < y2; y++) { + if (!term.dirty[y]) continue; - xtermclear(0, y, term.col, y); term.dirty[y] = 0; specs = term.specbuf; numspecs = xmakeglyphfontspecs(specs, &term.line[y][x1], x2 - x1, x1, y); i = ox = 0; - for(x = x1; x < x2 && i < numspecs; x++) { + for (x = x1; x < x2 && i < numspecs; x++) { new = term.line[y][x]; - if(new.mode == ATTR_WDUMMY) + if (new.mode == ATTR_WDUMMY) continue; - if(ena_sel && selected(x, y)) + if (ena_sel && selected(x, y)) new.mode ^= ATTR_REVERSE; - if(i > 0 && ATTRCMP(base, new)) { + if (i > 0 && ATTRCMP(base, new)) { xdrawglyphfontspecs(specs, base, i, ox, y); specs += i; numspecs -= i; i = 0; } - if(i == 0) { + if (i == 0) { ox = x; base = new; } i++; } - if(i > 0) + if (i > 0) xdrawglyphfontspecs(specs, base, i, ox, y); } xdrawcursor(); @@ -3856,19 +4168,19 @@ focus(XEvent *ev) { XFocusChangeEvent *e = &ev->xfocus; - if(e->mode == NotifyGrab) + if (e->mode == NotifyGrab) return; - if(ev->type == FocusIn) { + if (ev->type == FocusIn) { XSetICFocus(xw.xic); xw.state |= WIN_FOCUSED; xseturgency(0); - if(IS_SET(MODE_FOCUS)) + if (IS_SET(MODE_FOCUS)) ttywrite("\033[I", 3); } else { XUnsetICFocus(xw.xic); xw.state &= ~WIN_FOCUSED; - if(IS_SET(MODE_FOCUS)) + if (IS_SET(MODE_FOCUS)) ttywrite("\033[O", 3); } } @@ -3892,31 +4204,31 @@ kmap(KeySym k, uint state) int i; /* Check for mapped keys out of X11 function keys. */ - for(i = 0; i < LEN(mappedkeys); i++) { - if(mappedkeys[i] == k) + for (i = 0; i < LEN(mappedkeys); i++) { + if (mappedkeys[i] == k) break; } - if(i == LEN(mappedkeys)) { - if((k & 0xFFFF) < 0xFD00) + if (i == LEN(mappedkeys)) { + if ((k & 0xFFFF) < 0xFD00) return NULL; } - for(kp = key; kp < key + LEN(key); kp++) { - if(kp->k != k) + for (kp = key; kp < key + LEN(key); kp++) { + if (kp->k != k) continue; - if(!match(kp->mask, state)) + if (!match(kp->mask, state)) continue; - if(IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0) + if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0) continue; - if(term.numlock && kp->appkey == 2) + if (term.numlock && kp->appkey == 2) continue; - if(IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0) + if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0) continue; - if(IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0) + if (IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0) continue; return kp->s; @@ -3936,30 +4248,30 @@ kpress(XEvent *ev) Status status; Shortcut *bp; - if(IS_SET(MODE_KBDLOCK)) + if (IS_SET(MODE_KBDLOCK)) return; len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status); /* 1. shortcuts */ - for(bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) { - if(ksym == bp->keysym && match(bp->mod, e->state)) { + for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) { + if (ksym == bp->keysym && match(bp->mod, e->state)) { bp->func(&(bp->arg)); return; } } /* 2. custom keys from config.h */ - if((customkey = kmap(ksym, e->state))) { + if ((customkey = kmap(ksym, e->state))) { ttysend(customkey, strlen(customkey)); return; } /* 3. composed string from input method */ - if(len == 0) + if (len == 0) return; - if(len == 1 && e->state & Mod1Mask) { - if(IS_SET(MODE_8BIT)) { - if(*buf < 0177) { + if (len == 1 && e->state & Mod1Mask) { + if (IS_SET(MODE_8BIT)) { + if (*buf < 0177) { c = *buf | 0x80; len = utf8encode(c, buf); } @@ -3980,14 +4292,14 @@ cmessage(XEvent *e) * See xembed specs * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html */ - if(e->xclient.message_type == xw.xembed && e->xclient.format == 32) { - if(e->xclient.data.l[1] == XEMBED_FOCUS_IN) { + if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) { + if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) { xw.state |= WIN_FOCUSED; xseturgency(0); - } else if(e->xclient.data.l[1] == XEMBED_FOCUS_OUT) { + } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) { xw.state &= ~WIN_FOCUSED; } - } else if(e->xclient.data.l[0] == xw.wmdeletewin) { + } else if (e->xclient.data.l[0] == xw.wmdeletewin) { /* Send SIGHUP to shell */ kill(pid, SIGHUP); exit(0); @@ -3999,9 +4311,9 @@ cresize(int width, int height) { int col, row; - if(width != 0) + if (width != 0) xw.w = width; - if(height != 0) + if (height != 0) xw.h = height; col = (xw.w - 2 * borderpx) / xw.cw; @@ -4009,16 +4321,16 @@ cresize(int width, int height) tresize(col, row); xresize(col, row); - ttyresize(); } void resize(XEvent *e) { - if(e->xconfigure.width == xw.w && e->xconfigure.height == xw.h) + if (e->xconfigure.width == xw.w && e->xconfigure.height == xw.h) return; cresize(e->xconfigure.width, e->xconfigure.height); + ttyresize(); } void @@ -4035,44 +4347,45 @@ run(void) do { XNextEvent(xw.dpy, &ev); /* - * XFilterEvent is required to be called after you using XOpenIM, - * this is not unnecessary.It does not only filter the key event, - * but some clientmessage for input method as well. + * This XFilterEvent call is required because of XOpenIM. It + * does filter out the key event and some client message for + * the input method too. */ - if(XFilterEvent(&ev, None)) + if (XFilterEvent(&ev, None)) continue; - if(ev.type == ConfigureNotify) { + if (ev.type == ConfigureNotify) { w = ev.xconfigure.width; h = ev.xconfigure.height; } - } while(ev.type != MapNotify); + } while (ev.type != MapNotify); - ttynew(); cresize(w, h); + ttynew(); + ttyresize(); clock_gettime(CLOCK_MONOTONIC, &last); lastblink = last; - for(xev = actionfps;;) { + for (xev = actionfps;;) { FD_ZERO(&rfd); FD_SET(cmdfd, &rfd); FD_SET(xfd, &rfd); - if(pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) { - if(errno == EINTR) + if (pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) { + if (errno == EINTR) continue; die("select failed: %s\n", strerror(errno)); } - if(FD_ISSET(cmdfd, &rfd)) { + if (FD_ISSET(cmdfd, &rfd)) { ttyread(); - if(blinktimeout) { + if (blinktimeout) { blinkset = tattrset(ATTR_BLINK); - if(!blinkset) + if (!blinkset) MODBIT(term.mode, 0, MODE_BLINK); } } - if(FD_ISSET(xfd, &rfd)) + if (FD_ISSET(xfd, &rfd)) xev = actionfps; clock_gettime(CLOCK_MONOTONIC, &now); @@ -4081,35 +4394,35 @@ run(void) tv = &drawtimeout; dodraw = 0; - if(blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) { + if (blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) { tsetdirtattr(ATTR_BLINK); term.mode ^= MODE_BLINK; lastblink = now; dodraw = 1; } deltatime = TIMEDIFF(now, last); - if(deltatime > 1000 / (xev ? xfps : actionfps)) { + if (deltatime > 1000 / (xev ? xfps : actionfps)) { dodraw = 1; last = now; } - if(dodraw) { - while(XPending(xw.dpy)) { + if (dodraw) { + while (XPending(xw.dpy)) { XNextEvent(xw.dpy, &ev); - if(XFilterEvent(&ev, None)) + if (XFilterEvent(&ev, None)) continue; - if(handler[ev.type]) + if (handler[ev.type]) (handler[ev.type])(&ev); } draw(); XFlush(xw.dpy); - if(xev && !FD_ISSET(xfd, &rfd)) + if (xev && !FD_ISSET(xfd, &rfd)) xev--; - if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) { - if(blinkset) { - if(TIMEDIFF(now, lastblink) \ + if (!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) { + if (blinkset) { + if (TIMEDIFF(now, lastblink) \ > blinktimeout) { drawtimeout.tv_nsec = 1000; } else { @@ -4132,12 +4445,14 @@ run(void) void usage(void) { - die("%s " VERSION " (c) 2010-2015 st engineers\n" - "usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]\n" - " [-i] [-t title] [-w windowid] [-e command ...] [command ...]\n" - " st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]\n" - " [-i] [-t title] [-w windowid] [-l line] [stty_args ...]\n", - argv0); + die("usage: %s [-aiv] [-c class] [-f font] [-g geometry]" + " [-n name] [-o file]\n" + " [-T title] [-t title] [-w windowid]" + " [[-e] command [args ...]]\n" + " %s [-aiv] [-c class] [-f font] [-g geometry]" + " [-n name] [-o file]\n" + " [-T title] [-t title] [-w windowid] -l line" + " [stty_args ...]\n", argv0, argv0); } int @@ -4147,7 +4462,7 @@ main(int argc, char *argv[]) xw.l = xw.t = 0; xw.isfixed = False; - xw.cursor = 0; + xw.cursor = cursorshape; ARGBEGIN { case 'a': @@ -4157,7 +4472,7 @@ main(int argc, char *argv[]) opt_class = EARGF(usage()); break; case 'e': - if(argc > 0) + if (argc > 0) --argc, ++argv; goto run; case 'f': @@ -4176,22 +4491,28 @@ main(int argc, char *argv[]) case 'l': opt_line = EARGF(usage()); break; + case 'n': + opt_name = EARGF(usage()); + break; case 't': + case 'T': opt_title = EARGF(usage()); break; case 'w': opt_embed = EARGF(usage()); break; case 'v': + die("%s " VERSION " (c) 2010-2016 st engineers\n", argv0); + break; default: usage(); } ARGEND; run: - if(argc > 0) { + if (argc > 0) { /* eat all remaining arguments */ opt_cmd = argv; - if(!opt_title && !opt_line) + if (!opt_title && !opt_line) opt_title = basename(xstrdup(argv[0])); } setlocale(LC_CTYPE, ""); @@ -4203,3 +4524,4 @@ run: return 0; } +