X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=st.c;h=3eb66fa92ca1df7b593437f3a6e9a14b13adbb5c;hb=c990abfedf56cb8d3176fe6d5152ff65bb68bff0;hp=83293f41dbf29024bbf505f7237fa895edf496dd;hpb=c7a945c4086ab913cd8a05997bfbc1906645eff4;p=st.git diff --git a/st.c b/st.c index 83293f4..3eb66fa 100644 --- a/st.c +++ b/st.c @@ -1,4 +1,4 @@ -/* See LICENSE for licence details. */ +/* See LICENSE for license details. */ #include #include #include @@ -27,6 +27,7 @@ #include #include #include +#include #include #include @@ -62,8 +63,6 @@ char *argv0; #define XK_NO_MOD 0 #define XK_SWITCH_MOD (1<<13) -#define REDRAW_TIMEOUT (80*1000) /* 80 ms */ - /* macros */ #define MIN(a, b) ((a) < (b) ? (a) : (b)) #define MAX(a, b) ((a) < (b) ? (b) : (a)) @@ -73,6 +72,7 @@ char *argv0; #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) (BETWEEN(u, 0, 127) && strchr(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) @@ -159,8 +159,13 @@ enum escape_state { enum window_state { WIN_VISIBLE = 1, - WIN_REDRAW = 2, - WIN_FOCUSED = 4 + WIN_FOCUSED = 2 +}; + +enum selection_mode { + SEL_IDLE = 0, + SEL_EMPTY = 1, + SEL_READY = 2 }; enum selection_type { @@ -182,10 +187,10 @@ typedef XftDraw *Draw; typedef XftColor Color; typedef struct { - char c[UTF_SIZ]; /* character code */ + long u; /* character code */ ushort mode; /* attribute flags */ - uint32_t fg; /* foreground */ - uint32_t bg; /* background */ + ushort fg; /* foreground */ + ushort bg; /* background */ } Glyph; typedef Glyph *Line; @@ -198,14 +203,14 @@ typedef struct { } TCursor; /* CSI Escape sequence structs */ -/* ESC '[' [[ [] [;]] ] */ +/* ESC '[' [[ [] [;]] []] */ typedef struct { char buf[ESC_BUF_SIZ]; /* raw string */ int len; /* raw string length */ char priv; int arg[ESC_ARG_SIZ]; int narg; /* nb of args */ - char mode; + char mode[2]; } CSIEscape; /* STR Escape sequence structs */ @@ -258,6 +263,7 @@ typedef struct { int ch; /* char height */ int cw; /* char width */ char state; /* focus, redraw, visible */ + int cursor; /* cursor style */ } XWindow; typedef struct { @@ -291,7 +297,7 @@ typedef struct { int x, y; } nb, ne, ob, oe; - char *clip; + char *primary, *clipboard; Atom xtarget; bool alt; struct timespec tclick1; @@ -313,10 +319,13 @@ typedef struct { } Shortcut; /* function definitions used in config.h */ +static void clipcopy(const Arg *); static void clippaste(const Arg *); static void numlock(const Arg *); static void selpaste(const Arg *); static void xzoom(const Arg *); +static void xzoomabs(const Arg *); +static void xzoomreset(const Arg *); static void printsel(const Arg *); static void printscreen(const Arg *) ; static void toggleprinter(const Arg *); @@ -346,9 +355,10 @@ typedef struct { static void die(const char *, ...); static void draw(void); -static void redraw(int); +static void redraw(void); static void drawregion(int, int, int, int); static void execsh(void); +static void stty(void); static void sigchld(int); static void run(void); @@ -356,7 +366,7 @@ static void csidump(void); static void csihandle(void); static void csiparse(void); static void csireset(void); -static int eschandle(uchar ascii); +static int eschandle(uchar); static void strdump(void); static void strhandle(void); static void strparse(void); @@ -379,20 +389,20 @@ static void tmoveato(int, int); static void tnew(int, int); static void tnewline(int); static void tputtab(int); -static void tputc(char *, int); +static void tputc(long); static void treset(void); static void tresize(int, int); static void tscrollup(int, int); static void tscrolldown(int, int); static void tsetattr(int *, int); -static void tsetchar(char *, Glyph *, int, int); +static void tsetchar(long, Glyph *, 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 techo(long); static void tcontrolcode(uchar ); static void tdectest(char ); static int32_t tdefcolor(int *, int *, int); @@ -403,9 +413,11 @@ static void ttyread(void); static void ttyresize(void); static void ttysend(char *, size_t); static void ttywrite(const char *, size_t); -static void tstrsequence(uchar c); +static void tstrsequence(uchar); +static inline ushort sixd_to_16bit(int); static void xdraws(char *, Glyph, int, int, int, int); +static void xdrawglyph(Glyph, int, int); static void xhints(void); static void xclear(int, int, int, int); static void xdrawcursor(void); @@ -415,12 +427,11 @@ static int xsetcolorname(int, const char *); static int xgeommasktogravity(int); static int xloadfont(Font *, FcPattern *); static void xloadfonts(char *, double); -static int xloadfontset(Font *); static void xsettitle(char *); static void xresettitle(void); static void xsetpointermotion(int); static void xseturgency(int); -static void xsetsel(char *); +static void xsetsel(char *, Time); static void xtermclear(int, int, int, int); static void xunloadfont(Font *); static void xunloadfonts(void); @@ -446,17 +457,18 @@ static void selinit(void); static void selnormalize(void); static inline bool selected(int, int); static char *getsel(void); -static void selcopy(void); +static void selcopy(Time); static void selscroll(int, int); -static void selsnap(int, int *, int *, int); +static void selsnap(int *, int *, int); +static int x2col(int); +static int y2row(int); static void getbuttoninfo(XEvent *); static void mousereport(XEvent *); static size_t utf8decode(char *, long *, size_t); static long utf8decodebyte(char, size_t *); -static size_t utf8encode(long, char *, size_t); +static size_t utf8encode(long, char *); static char utf8encodebyte(long, size_t); -static size_t utf8len(char *); static size_t utf8validate(long *, size_t); static ssize_t xwrite(int, const char *, size_t); @@ -478,7 +490,11 @@ static void (*handler[LASTEvent])(XEvent *) = { [MotionNotify] = bmotion, [ButtonPress] = bpress, [ButtonRelease] = brelease, - [SelectionClear] = selclear, +/* + * Uncomment if you want the selection to disappear when you select something + * different in another window. + */ +/* [SelectionClear] = selclear, */ [SelectionNotify] = selnotify, [SelectionRequest] = selrequest, }; @@ -499,10 +515,12 @@ static char *opt_title = NULL; static char *opt_embed = NULL; static char *opt_class = NULL; static char *opt_font = NULL; +static char *opt_line = NULL; static int oldbutton = 3; /* button event on startup: 3 = release */ static char *usedfont = NULL; static double usedfontsize = 0; +static double defaultfontsize = 0; static uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0}; static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8}; @@ -520,6 +538,7 @@ enum { typedef struct { XftFont *font; int flags; + long unicodep; } Fontcache; /* Fontcache is an array now. A new font will be appended to the array. */ @@ -598,11 +617,11 @@ utf8decodebyte(char c, size_t *i) { } size_t -utf8encode(long u, char *c, size_t clen) { +utf8encode(long u, char *c) { size_t len, i; len = utf8validate(&u, 0); - if(clen < len) + if(len > UTF_SIZ) return 0; for(i = len - 1; i != 0; --i) { c[i] = utf8encodebyte(u, 0); @@ -617,11 +636,6 @@ utf8encodebyte(long u, size_t i) { return utfbyte[i] | (u & ~utfmask[i]); } -size_t -utf8len(char *c) { - return utf8decode(c, &(long){0}, UTF_SIZ); -} - size_t utf8validate(long *u, size_t i) { if(!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF)) @@ -631,19 +645,20 @@ utf8validate(long *u, size_t i) { return i; } -static void +void selinit(void) { memset(&sel.tclick1, 0, sizeof(sel.tclick1)); memset(&sel.tclick2, 0, sizeof(sel.tclick2)); - sel.mode = 0; + sel.mode = SEL_IDLE; sel.ob.x = -1; - sel.clip = NULL; + sel.primary = NULL; + sel.clipboard = NULL; sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0); if(sel.xtarget == None) sel.xtarget = XA_STRING; } -static int +int x2col(int x) { x -= borderpx; x /= xw.cw; @@ -651,7 +666,7 @@ x2col(int x) { return LIMIT(x, 0, term.col-1); } -static int +int y2row(int y) { y -= borderpx; y /= xw.ch; @@ -659,34 +674,35 @@ y2row(int y) { return LIMIT(y, 0, term.row-1); } -static int tlinelen(int y) { +int +tlinelen(int y) { int i = term.col; if(term.line[y][i - 1].mode & ATTR_WRAP) return i; - while(i > 0 && term.line[y][i - 1].c[0] == ' ') + while(i > 0 && term.line[y][i - 1].u == ' ') --i; return i; } -static void +void selnormalize(void) { int i; - if(sel.ob.y == sel.oe.y || sel.type == SEL_RECTANGULAR) { - sel.nb.x = MIN(sel.ob.x, sel.oe.x); - sel.ne.x = MAX(sel.ob.x, sel.oe.x); - } else { + 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 { + sel.nb.x = MIN(sel.ob.x, sel.oe.x); + sel.ne.x = MAX(sel.ob.x, sel.oe.x); } sel.nb.y = MIN(sel.ob.y, sel.oe.y); sel.ne.y = MAX(sel.ob.y, sel.oe.y); - selsnap(sel.snap, &sel.nb.x, &sel.nb.y, -1); - selsnap(sel.snap, &sel.ne.x, &sel.ne.y, +1); + selsnap(&sel.nb.x, &sel.nb.y, -1); + selsnap(&sel.ne.x, &sel.ne.y, +1); /* expand selection over line breaks */ if (sel.type == SEL_RECTANGULAR) @@ -698,8 +714,11 @@ selnormalize(void) { sel.ne.x = term.col - 1; } -static inline bool +bool selected(int x, int y) { + if(sel.mode == SEL_EMPTY) + return false; + if(sel.type == SEL_RECTANGULAR) return BETWEEN(y, sel.nb.y, sel.ne.y) && BETWEEN(x, sel.nb.x, sel.ne.x); @@ -710,19 +729,19 @@ selected(int x, int y) { } void -selsnap(int mode, int *x, int *y, int direction) { +selsnap(int *x, int *y, int direction) { int newx, newy, xt, yt; bool delim, prevdelim; Glyph *gp, *prevgp; - switch(mode) { + switch(sel.snap) { case SNAP_WORD: /* * Snap around if the word wraps around at the end or * beginning of a line. */ prevgp = &term.line[*y][*x]; - prevdelim = strchr(worddelimiters, prevgp->c[0]) != NULL; + prevdelim = ISDELIM(prevgp->u); for(;;) { newx = *x + direction; newy = *y; @@ -744,9 +763,9 @@ selsnap(int mode, int *x, int *y, int direction) { break; gp = &term.line[newy][newx]; - delim = strchr(worddelimiters, gp->c[0]) != NULL; + delim = ISDELIM(gp->u); if(!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim - || (delim && gp->c[0] != prevgp->c[0]))) + || (delim && gp->u != prevgp->u))) break; *x = newx; @@ -762,15 +781,15 @@ selsnap(int mode, int *x, int *y, int direction) { * previous line will be selected. */ *x = (direction < 0) ? 0 : term.col - 1; - if(direction < 0 && *y > 0) { + if(direction < 0) { for(; *y > 0; *y += direction) { if(!(term.line[*y-1][term.col-1].mode & ATTR_WRAP)) { break; } } - } else if(direction > 0 && *y < term.row-1) { - for(; *y < term.row; *y += direction) { + } else if(direction > 0) { + for(; *y < term.row-1; *y += direction) { if(!(term.line[*y][term.col-1].mode & ATTR_WRAP)) { break; @@ -845,12 +864,11 @@ mousereport(XEvent *e) { } if(!IS_SET(MODE_MOUSEX10)) { - button += (state & ShiftMask ? 4 : 0) - + (state & Mod4Mask ? 8 : 0) - + (state & ControlMask ? 16 : 0); + button += ((state & ShiftMask ) ? 4 : 0) + + ((state & Mod4Mask ) ? 8 : 0) + + ((state & ControlMask) ? 16 : 0); } - len = 0; if(IS_SET(MODE_MOUSESGR)) { len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c", button, x+1, y+1, @@ -888,7 +906,7 @@ bpress(XEvent *e) { /* Clear previous selection, logically and visually. */ selclear(NULL); - sel.mode = 1; + sel.mode = SEL_EMPTY; sel.type = SEL_REGULAR; sel.oe.x = sel.ob.x = x2col(e->xbutton.x); sel.oe.y = sel.ob.y = y2row(e->xbutton.y); @@ -906,14 +924,9 @@ bpress(XEvent *e) { } selnormalize(); - /* - * Draw selection, unless it's regular and we don't want to - * make clicks visible - */ - if(sel.snap != 0) { - sel.mode++; - tsetdirt(sel.nb.y, sel.ne.y); - } + if(sel.snap != 0) + sel.mode = SEL_READY; + tsetdirt(sel.nb.y, sel.ne.y); sel.tclick2 = sel.tclick1; sel.tclick1 = now; } @@ -922,7 +935,7 @@ bpress(XEvent *e) { char * getsel(void) { char *str, *ptr; - int y, bufsize, size, lastx, linelen; + int y, bufsize, lastx, linelen; Glyph *gp, *last; if(sel.ob.x == -1) @@ -932,7 +945,7 @@ getsel(void) { ptr = str = xmalloc(bufsize); /* append every set & selected glyph to the selection */ - for(y = sel.nb.y; y < sel.ne.y + 1; y++) { + for(y = sel.nb.y; y <= sel.ne.y; y++) { linelen = tlinelen(y); if(sel.type == SEL_RECTANGULAR) { @@ -943,14 +956,14 @@ 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 == ' ') + --last; for( ; gp <= last; ++gp) { if(gp->mode & ATTR_WDUMMY) continue; - size = utf8len(gp->c); - memcpy(ptr, gp->c, size); - ptr += size; + ptr += utf8encode(gp->u, ptr); } /* @@ -970,8 +983,8 @@ getsel(void) { } void -selcopy(void) { - xsetsel(getsel()); +selcopy(Time t) { + xsetsel(getsel(), t); } void @@ -980,12 +993,17 @@ selnotify(XEvent *e) { int format; uchar *data, *last, *repl; Atom type; + XSelectionEvent *xsev; ofs = 0; + xsev = &e->xselection; + if (xsev->property == None) + return; do { - if(XGetWindowProperty(xw.dpy, xw.win, XA_PRIMARY, ofs, BUFSIZ/4, - False, AnyPropertyType, &type, &format, - &nitems, &rem, &data)) { + if(XGetWindowProperty(xw.dpy, xw.win, xsev->property, ofs, + BUFSIZ/4, False, AnyPropertyType, + &type, &format, &nitems, &rem, + &data)) { fprintf(stderr, "Clipboard allocation failed\n"); return; } @@ -1020,12 +1038,26 @@ selpaste(const Arg *dummy) { xw.win, CurrentTime); } +void +clipcopy(const Arg *dummy) { + Atom clipboard; + + if(sel.clipboard != NULL) + free(sel.clipboard); + + if(sel.primary != NULL) { + sel.clipboard = xstrdup(sel.primary); + clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); + XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime); + } +} + void clippaste(const Arg *dummy) { Atom clipboard; clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); - XConvertSelection(xw.dpy, clipboard, sel.xtarget, XA_PRIMARY, + XConvertSelection(xw.dpy, clipboard, sel.xtarget, clipboard, xw.win, CurrentTime); } @@ -1041,7 +1073,8 @@ void selrequest(XEvent *e) { XSelectionRequestEvent *xsre; XSelectionEvent xev; - Atom xa_targets, string; + Atom xa_targets, string, clipboard; + char *seltext; xsre = (XSelectionRequestEvent *) e; xev.type = SelectionNotify; @@ -1049,6 +1082,9 @@ selrequest(XEvent *e) { xev.selection = xsre->selection; xev.target = xsre->target; xev.time = xsre->time; + if (xsre->property == None) + xsre->property = xsre->target; + /* reject */ xev.property = None; @@ -1060,11 +1096,29 @@ selrequest(XEvent *e) { XA_ATOM, 32, PropModeReplace, (uchar *) &string, 1); xev.property = xsre->property; - } else if(xsre->target == sel.xtarget && sel.clip != NULL) { - XChangeProperty(xsre->display, xsre->requestor, xsre->property, - xsre->target, 8, PropModeReplace, - (uchar *) sel.clip, strlen(sel.clip)); - xev.property = xsre->property; + } 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) { + seltext = sel.primary; + } else if(xsre->selection == clipboard) { + seltext = sel.clipboard; + } else { + fprintf(stderr, + "Unhandled clipboard selection 0x%lx\n", + xsre->selection); + return; + } + if(seltext != NULL) { + XChangeProperty(xsre->display, xsre->requestor, + xsre->property, xsre->target, + 8, PropModeReplace, + (uchar *)seltext, strlen(seltext)); + xev.property = xsre->property; + } } /* all done, send a notification to the listener */ @@ -1073,17 +1127,13 @@ selrequest(XEvent *e) { } void -xsetsel(char *str) { - /* register the selection for both the clipboard and the primary */ - Atom clipboard; - - free(sel.clip); - sel.clip = str; - - XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, CurrentTime); +xsetsel(char *str, Time t) { + free(sel.primary); + sel.primary = str; - clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); - XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime); + XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t); + if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win) + selclear(0); } void @@ -1096,13 +1146,12 @@ brelease(XEvent *e) { if(e->xbutton.button == Button2) { selpaste(NULL); } else if(e->xbutton.button == Button1) { - if(sel.mode < 2) { - selclear(NULL); - } else { + if(sel.mode == SEL_READY) { getbuttoninfo(e); - selcopy(); - } - sel.mode = 0; + selcopy(e->xbutton.time); + } else + selclear(NULL); + sel.mode = SEL_IDLE; tsetdirt(sel.nb.y, sel.ne.y); } } @@ -1119,7 +1168,7 @@ bmotion(XEvent *e) { if(!sel.mode) return; - sel.mode++; + sel.mode = SEL_READY; oldey = sel.oe.y; oldex = sel.oe.x; oldsby = sel.nb.y; @@ -1142,7 +1191,7 @@ die(const char *errstr, ...) { void execsh(void) { - char **args, *sh; + char **args, *sh, *prog; const struct passwd *pw; char buf[sizeof(long) * 8 + 1]; @@ -1154,13 +1203,18 @@ execsh(void) { die("who are you?\n"); } - if (utmp) - sh = utmp; - else if (pw->pw_shell[0]) - sh = pw->pw_shell; + if (!(sh = getenv("SHELL"))) { + sh = (pw->pw_shell[0]) ? pw->pw_shell : shell; + } + + if(opt_cmd) + prog = opt_cmd[0]; + else if(utmp) + prog = utmp; else - sh = shell; - args = (opt_cmd) ? opt_cmd : (char *[]){sh, NULL}; + prog = sh; + args = (opt_cmd) ? opt_cmd : (char *[]) {prog, NULL}; + snprintf(buf, sizeof(buf), "%lu", xw.win); unsetenv("COLUMNS"); @@ -1168,7 +1222,7 @@ execsh(void) { unsetenv("TERMCAP"); setenv("LOGNAME", pw->pw_name, 1); setenv("USER", pw->pw_name, 1); - setenv("SHELL", args[0], 1); + setenv("SHELL", sh, 1); setenv("HOME", pw->pw_dir, 1); setenv("TERM", termname, 1); setenv("WINDOWID", buf, 1); @@ -1180,28 +1234,77 @@ execsh(void) { signal(SIGTERM, SIG_DFL); signal(SIGALRM, SIG_DFL); - execvp(args[0], args); - exit(EXIT_FAILURE); + execvp(prog, args); + _exit(EXIT_FAILURE); } void sigchld(int a) { int stat, ret; + pid_t p; - if(waitpid(pid, &stat, 0) < 0) + if((p = waitpid(pid, &stat, WNOHANG)) < 0) die("Waiting for pid %hd failed: %s\n", pid, strerror(errno)); + if(pid != p) + return; + ret = WIFEXITED(stat) ? WEXITSTATUS(stat) : EXIT_FAILURE; if (ret != EXIT_SUCCESS) die("child finished with error '%d'\n", stat); exit(EXIT_SUCCESS); } + +void +stty(void) +{ + char cmd[_POSIX_ARG_MAX], **p, *q, *s; + size_t n, siz; + + 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) + die("stty parameter length too long\n"); + *q++ = ' '; + q = memcpy(q, s, n); + q += n; + siz-= n + 1; + } + *q = '\0'; + if (system(cmd) != 0) + perror("Couldn't call stty"); +} + void ttynew(void) { int m, s; struct winsize w = {term.row, term.col, 0, 0}; + if(opt_io) { + term.mode |= MODE_PRINT; + iofd = (!strcmp(opt_io, "-")) ? + STDOUT_FILENO : + open(opt_io, O_WRONLY | O_CREAT, 0666); + 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) + die("open line failed: %s\n", strerror(errno)); + close(STDIN_FILENO); + dup(cmdfd); + stty(); + return; + } + /* seems to work fine on linux, openbsd and freebsd */ if(openpty(&m, &s, NULL, NULL, &w) < 0) die("openpty failed: %s\n", strerror(errno)); @@ -1211,6 +1314,7 @@ ttynew(void) { die("fork failed\n"); break; case 0: + close(iofd); setsid(); /* create a new process group */ dup2(s, STDIN_FILENO); dup2(s, STDOUT_FILENO); @@ -1225,16 +1329,6 @@ ttynew(void) { close(s); cmdfd = m; signal(SIGCHLD, sigchld); - if(opt_io) { - term.mode |= MODE_PRINT; - iofd = (!strcmp(opt_io, "-")) ? - STDOUT_FILENO : - open(opt_io, O_WRONLY | O_CREAT, 0666); - if(iofd < 0) { - fprintf(stderr, "Error opening %s:%s\n", - opt_io, strerror(errno)); - } - } break; } } @@ -1244,7 +1338,6 @@ ttyread(void) { static char buf[BUFSIZ]; static int buflen = 0; char *ptr; - char s[UTF_SIZ]; int charsize; /* size of utf8 char in bytes */ long unicodep; int ret; @@ -1257,8 +1350,7 @@ ttyread(void) { buflen += ret; ptr = buf; while((charsize = utf8decode(ptr, &unicodep, buflen))) { - utf8encode(unicodep, s, UTF_SIZ); - tputc(s, charsize); + tputc(unicodep); ptr += charsize; buflen -= charsize; } @@ -1275,9 +1367,16 @@ ttywrite(const char *s, size_t n) { void ttysend(char *s, size_t n) { + int len; + long u; + ttywrite(s, n); if(IS_SET(MODE_ECHO)) - techo(s, n); + while((len = utf8decode(s, &u, n)) > 0) { + techo(u); + n -= len; + s += len; + } } void @@ -1365,7 +1464,7 @@ treset(void) { term.top = 0; term.bot = term.row - 1; term.mode = MODE_WRAP; - memset(term.trantbl, sizeof(term.trantbl), CS_USA); + memset(term.trantbl, CS_USA, sizeof(term.trantbl)); term.charset = 0; for(i = 0; i < 2; i++) { @@ -1499,7 +1598,8 @@ csiparse(void) { break; p++; } - csiescseq.mode = *p; + csiescseq.mode[0] = *p++; + csiescseq.mode[1] = (p < csiescseq.buf+csiescseq.len) ? *p : '\0'; } /* for absolute user moves, when decom is set */ @@ -1519,15 +1619,13 @@ tmoveto(int x, int y) { miny = 0; maxy = term.row - 1; } - LIMIT(x, 0, term.col-1); - LIMIT(y, miny, maxy); term.c.state &= ~CURSOR_WRAPNEXT; - term.c.x = x; - term.c.y = y; + term.c.x = LIMIT(x, 0, term.col-1); + term.c.y = LIMIT(y, miny, maxy); } void -tsetchar(char *c, Glyph *attr, int x, int y) { +tsetchar(long u, Glyph *attr, int x, int y) { static char *vt100_0[62] = { /* 0x41 - 0x7e */ "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */ 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */ @@ -1542,25 +1640,23 @@ tsetchar(char *c, Glyph *attr, int x, int y) { /* * The table is proudly stolen from rxvt. */ - if(term.trantbl[term.charset] == CS_GRAPHIC0) { - if(BETWEEN(c[0], 0x41, 0x7e) && vt100_0[c[0] - 0x41]) { - c = vt100_0[c[0] - 0x41]; - } - } + 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) { - term.line[y][x+1].c[0] = ' '; + term.line[y][x+1].u = ' '; term.line[y][x+1].mode &= ~ATTR_WDUMMY; } } else if(term.line[y][x].mode & ATTR_WDUMMY) { - term.line[y][x-1].c[0] = ' '; + term.line[y][x-1].u = ' '; term.line[y][x-1].mode &= ~ATTR_WIDE; } term.dirty[y] = 1; term.line[y][x] = *attr; - memcpy(term.line[y][x].c, c, UTF_SIZ); + term.line[y][x].u = u; } void @@ -1587,7 +1683,7 @@ tclearregion(int x1, int y1, int x2, int y2) { gp->fg = term.c.attr.fg; gp->bg = term.c.attr.bg; gp->mode = 0; - memcpy(gp->c, " ", 2); + gp->u = ' '; } } } @@ -1654,7 +1750,7 @@ tdefcolor(int *attr, int *npar, int l) { b = attr[*npar + 4]; *npar += 4; if(!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255)) - fprintf(stderr, "erresc: bad rgb color (%d,%d,%d)\n", + fprintf(stderr, "erresc: bad rgb color (%u,%u,%u)\n", r, g, b); else idx = TRUECOLOR(r, g, b); @@ -1815,7 +1911,7 @@ tsetmode(bool priv, bool set, int *args, int narg) { mode = term.mode; MODBIT(term.mode, set, MODE_REVERSE); if(mode != term.mode) - redraw(REDRAW_TIMEOUT); + redraw(); break; case 6: /* DECOM -- Origin */ MODBIT(term.c.state, set, CURSOR_ORIGIN); @@ -1937,7 +2033,7 @@ csihandle(void) { char buf[40]; int len; - switch(csiescseq.mode) { + switch(csiescseq.mode[0]) { default: unknown: fprintf(stderr, "erresc: unknown csi "); @@ -2125,6 +2221,19 @@ csihandle(void) { case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */ tcursor(CURSOR_LOAD); 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: + goto unknown; + } + break; } } @@ -2163,8 +2272,7 @@ strhandle(void) { term.esc &= ~(ESC_STR_END|ESC_STR); strparse(); - narg = strescseq.narg; - par = atoi(strescseq.args[0]); + par = (narg = strescseq.narg) ? atoi(strescseq.args[0]) : 0; switch(strescseq.type) { case ']': /* OSC -- Operating System Command */ @@ -2189,7 +2297,7 @@ strhandle(void) { * TODO if defaultbg color is changed, borders * are dirty */ - redraw(0); + redraw(); } return; } @@ -2209,12 +2317,23 @@ strhandle(void) { void strparse(void) { + int c; char *p = strescseq.buf; strescseq.narg = 0; strescseq.buf[strescseq.len] = '\0'; - while(p && strescseq.narg < STR_ARG_SIZ) - strescseq.args[strescseq.narg++] = strsep(&p, ";"); + + if(*p == '\0') + return; + + while(strescseq.narg < STR_ARG_SIZ) { + strescseq.args[strescseq.narg++] = p; + while((c = *p) != ';' && c != '\0') + ++p; + if(c == '\0') + return; + *p++ = '\0'; + } } void @@ -2284,13 +2403,14 @@ tdumpsel(void) { void tdumpline(int n) { + char buf[UTF_SIZ]; Glyph *bp, *end; bp = &term.line[n][0]; end = &bp[MIN(tlinelen(n), term.col) - 1]; - if(bp != end || bp->c[0] != ' ') { + if(bp != end || bp->u != ' ') { for( ;bp <= end; ++bp) - tprinter(bp->c, utf8len(bp->c)); + tprinter(buf, utf8encode(bp->u, buf)); } tprinter("\n", 1); } @@ -2316,30 +2436,22 @@ tputtab(int n) { for(--x; x > 0 && !term.tabs[x]; --x) /* nothing */ ; } - tmoveto(x, term.c.y); + term.c.x = LIMIT(x, 0, term.col-1); } void -techo(char *buf, int len) { - for(; len > 0; buf++, len--) { - char c = *buf; - - if(ISCONTROL((uchar) c)) { /* control code */ - if(c & 0x80) { - c &= 0x7f; - tputc("^", 1); - tputc("[", 1); - } else if(c != '\n' && c != '\r' && c != '\t') { - c ^= 0x40; - tputc("^", 1); - } - tputc(&c, 1); - } else { - break; +techo(long u) { + if(ISCONTROL(u)) { /* control code */ + if(u & 0x80) { + u &= 0x7f; + tputc('^'); + tputc('['); + } else if(u != '\n' && u != '\r' && u != '\t') { + u ^= 0x40; + tputc('^'); } } - if(len) - tputc(buf, len); + tputc(u); } void @@ -2357,45 +2469,39 @@ tdeftran(char ascii) { void tdectest(char c) { - static char E[UTF_SIZ] = "E"; int x, 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); + tsetchar('E', &term.c.attr, x, y); } } } void tstrsequence(uchar c) { - if (c & 0x80) { - switch (c) { - case 0x90: /* DCS -- Device Control String */ - c = 'P'; - break; - case 0x9f: /* APC -- Application Program Command */ - c = '_'; - break; - case 0x9e: /* PM -- Privacy Message */ - c = '^'; - break; - case 0x9d: /* OSC -- Operating System Command */ - c = ']'; - break; - } + switch (c) { + case 0x90: /* DCS -- Device Control String */ + c = 'P'; + break; + case 0x9f: /* APC -- Application Program Command */ + c = '_'; + break; + case 0x9e: /* PM -- Privacy Message */ + c = '^'; + break; + case 0x9d: /* OSC -- Operating System Command */ + c = ']'; + break; } strreset(); strescseq.type = c; term.esc |= ESC_STR; - return; } void tcontrolcode(uchar ascii) { - static char question[UTF_SIZ] = "?"; - switch(ascii) { case '\t': /* HT */ tputtab(1); @@ -2420,7 +2526,7 @@ tcontrolcode(uchar ascii) { if(!(xw.state & WIN_FOCUSED)) xseturgency(1); if (bellvolume) - XBell(xw.dpy, bellvolume); + XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL); } break; case '\033': /* ESC */ @@ -2428,14 +2534,12 @@ tcontrolcode(uchar ascii) { term.esc &= ~(ESC_CSI|ESC_ALTCHARSET|ESC_TEST); term.esc |= ESC_START; return; - case '\016': /* SO */ - term.charset = 0; - return; - case '\017': /* SI */ - term.charset = 1; + case '\016': /* SO (LS1 -- Locking shift 1) */ + case '\017': /* SI (LS0 -- Locking shift 0) */ + term.charset = 1 - (ascii - '\016'); return; case '\032': /* SUB */ - tsetchar(question, &term.c.attr, term.c.x, term.c.y); + tsetchar('?', &term.c.attr, term.c.x, term.c.y); case '\030': /* CAN */ csireset(); break; @@ -2473,7 +2577,6 @@ tcontrolcode(uchar ascii) { } /* only CAN, SUB, \a and C1 chars interrupt a sequence */ term.esc &= ~(ESC_STR_END|ESC_STR); - return; } /* @@ -2496,6 +2599,10 @@ eschandle(uchar ascii) { case 'k': /* old title set compatibility */ tstrsequence(ascii); return 0; + case 'n': /* LS2 -- Locking shift 2 */ + case 'o': /* LS3 -- Locking shift 3 */ + term.charset = 2 + (ascii - 'n'); + break; case '(': /* GZD4 -- set primary charset G0 */ case ')': /* G1D4 -- set secondary charset G1 */ case '*': /* G2D4 -- set tertiary charset G2 */ @@ -2556,26 +2663,21 @@ eschandle(uchar ascii) { } void -tputc(char *c, int len) { - uchar ascii; +tputc(long u) { + char c[UTF_SIZ]; bool control; - long unicodep; - int width; + int width, len; Glyph *gp; - if(len == 1) { + len = utf8encode(u, c); + if((width = wcwidth(u)) == -1) { + memcpy(c, "\357\277\275", 4); /* UTF_INVALID */ width = 1; - unicodep = ascii = *c; - } else { - utf8decode(c, &unicodep, UTF_SIZ); - width = wcwidth(unicodep); - control = ISCONTROLC1(unicodep); - ascii = unicodep; } if(IS_SET(MODE_PRINT)) tprinter(c, len); - control = ISCONTROL(unicodep); + control = ISCONTROL(u); /* * STR sequence must be checked before anything else @@ -2584,10 +2686,8 @@ tputc(char *c, int len) { * character. */ if(term.esc & ESC_STR) { - if(width == 1 && - (ascii == '\a' || ascii == 030 || - ascii == 032 || ascii == 033 || - ISCONTROLC1(unicodep))) { + if(u == '\a' || u == 030 || u == 032 || u == 033 || + ISCONTROLC1(u)) { term.esc &= ~(ESC_START|ESC_STR); term.esc |= ESC_STR_END; } else if(strescseq.len + len < sizeof(strescseq.buf) - 1) { @@ -2618,15 +2718,15 @@ tputc(char *c, int len) { * they must not cause conflicts with sequences. */ if(control) { - tcontrolcode(ascii); + tcontrolcode(u); /* * control codes are not shown ever */ return; } else if(term.esc & ESC_START) { if(term.esc & ESC_CSI) { - csiescseq.buf[csiescseq.len++] = ascii; - if(BETWEEN(ascii, 0x40, 0x7E) + csiescseq.buf[csiescseq.len++] = u; + if(BETWEEN(u, 0x40, 0x7E) || csiescseq.len >= \ sizeof(csiescseq.buf)-1) { term.esc = 0; @@ -2635,11 +2735,11 @@ tputc(char *c, int len) { } return; } else if(term.esc & ESC_ALTCHARSET) { - tdeftran(ascii); + tdeftran(u); } else if(term.esc & ESC_TEST) { - tdectest(ascii); + tdectest(u); } else { - if (!eschandle(ascii)) + if (!eschandle(u)) return; /* sequence already finished */ } @@ -2657,20 +2757,23 @@ tputc(char *c, int len) { 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+1 < term.col) - memmove(gp+1, gp, (term.col - term.c.x - 1) * sizeof(Glyph)); + 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(c, &term.c.attr, term.c.x, term.c.y); + tsetchar(u, &term.c.attr, term.c.x, term.c.y); if(width == 2) { gp->mode |= ATTR_WIDE; if(term.c.x+1 < term.col) { - gp[1].c[0] = '\0'; + gp[1].u = '\0'; gp[1].mode = ATTR_WDUMMY; } } @@ -2686,7 +2789,6 @@ tresize(int col, int row) { int i; int minrow = MIN(row, term.row); int mincol = MIN(col, term.col); - int slide = term.c.y - row + 1; bool *bp; TCursor c; @@ -2696,20 +2798,19 @@ tresize(int col, int row) { return; } - /* free unneeded rows */ - i = 0; - if(slide > 0) { - /* - * slide screen to keep cursor where we expect it - - * tscrollup would work here, but we can optimize to - * memmove because we're freeing the earlier lines - */ - for(/* i = 0 */; i < slide; i++) { - free(term.line[i]); - free(term.alt[i]); - } - memmove(term.line, term.line + slide, row * sizeof(Line)); - memmove(term.alt, term.alt + slide, row * sizeof(Line)); + /* + * slide screen to keep cursor where we expect it - + * 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++) { + free(term.line[i]); + free(term.alt[i]); + } + /* ensure that both src and dst are not NULL */ + if (i > 0) { + 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++) { free(term.line[i]); @@ -2776,87 +2877,63 @@ xresize(int col, int row) { xclear(0, 0, xw.w, xw.h); } -static inline ushort +ushort sixd_to_16bit(int x) { return x == 0 ? 0 : 0x3737 + 0x2828 * x; } +bool +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 */ + 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 ); + } else { /* greyscale */ + color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16)); + color.green = color.blue = color.red; + } + return XftColorAllocValue(xw.dpy, xw.vis, + xw.cmap, &color, ncolor); + } else + name = colorname[i]; + } + return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor); +} + void xloadcols(void) { int i; - XRenderColor color = { .alpha = 0xffff }; static bool loaded; Color *cp; if(loaded) { - for (cp = dc.col; cp < dc.col + LEN(dc.col); ++cp) + for (cp = dc.col; cp < &dc.col[LEN(dc.col)]; ++cp) XftColorFree(xw.dpy, xw.vis, xw.cmap, cp); } - /* load colors [0-15] and [256-LEN(colorname)] (config.h) */ - for(i = 0; i < LEN(colorname); i++) { - if(!colorname[i]) - continue; - if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, colorname[i], &dc.col[i])) { - die("Could not allocate color '%s'\n", 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); } - } - - /* load colors [16-231] ; same colors as xterm */ - for(i = 16; i < 6*6*6+16; i++) { - 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 ); - if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i])) - die("Could not allocate color %d\n", i); - } - - /* load colors [232-255] ; grayscale */ - for(; i < 256; i++) { - color.red = color.green = color.blue = 0x0808 + 0x0a0a * (i-(6*6*6+16)); - if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i])) - die("Could not allocate color %d\n", i); - } loaded = true; } int xsetcolorname(int x, const char *name) { - XRenderColor color = { .alpha = 0xffff }; Color ncolor; - if(!BETWEEN(x, 0, LEN(colorname))) + if(!BETWEEN(x, 0, LEN(dc.col))) return 1; - if(!name) { - if(BETWEEN(x, 16, 16 + 215)) { /* 256 color */ - color.red = sixd_to_16bit( ((x-16)/36)%6 ); - color.green = sixd_to_16bit( ((x-16)/6) %6 ); - color.blue = sixd_to_16bit( ((x-16)/1) %6 ); - if(!XftColorAllocValue(xw.dpy, xw.vis, - xw.cmap, &color, &ncolor)) { - return 1; - } - - XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]); - dc.col[x] = ncolor; - return 0; - } else if(BETWEEN(x, 16 + 216, 255)) { /* greyscale */ - color.red = color.green = color.blue = \ - 0x0808 + 0x0a0a * (x - (16 + 216)); - if(!XftColorAllocValue(xw.dpy, xw.vis, - xw.cmap, &color, &ncolor)) { - return 1; - } - XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]); - dc.col[x] = ncolor; - return 0; - } else { /* system colors */ - name = colorname[x]; - } - } - if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, &ncolor)) + if(!xloadcolor(x, name, &ncolor)) return 1; XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]); @@ -2973,7 +3050,7 @@ xloadfonts(char *fontstr, double fontsize) { if(!pattern) die("st: can't open font %s\n", fontstr); - if(fontsize > 0) { + if(fontsize > 1) { FcPatternDel(pattern, FC_PIXEL_SIZE); FcPatternDel(pattern, FC_SIZE); FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize); @@ -2993,6 +3070,7 @@ xloadfonts(char *fontstr, double fontsize) { FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12); usedfontsize = 12; } + defaultfontsize = usedfontsize; } FcConfigSubstitute(0, pattern, FcMatchPattern); @@ -3005,6 +3083,8 @@ xloadfonts(char *fontstr, double fontsize) { FcPatternGetDouble(dc.font.match->pattern, FC_PIXEL_SIZE, 0, &fontval); usedfontsize = fontval; + if(fontsize == 0) + defaultfontsize = fontval; } /* Setting character width and height. */ @@ -3029,15 +3109,6 @@ xloadfonts(char *fontstr, double fontsize) { FcPatternDestroy(pattern); } -int -xloadfontset(Font *f) { - FcResult result; - - if(!(f->set = FcFontSort(0, f->pattern, FcTrue, 0, &result))) - return 1; - return 0; -} - void xunloadfont(Font *f) { XftFontClose(xw.dpy, f->match); @@ -3060,13 +3131,31 @@ xunloadfonts(void) { void xzoom(const Arg *arg) { + Arg larg; + + larg.i = usedfontsize + arg->i; + xzoomabs(&larg); +} + +void +xzoomabs(const Arg *arg) { xunloadfonts(); - xloadfonts(usedfont, usedfontsize + arg->i); + xloadfonts(usedfont, arg->i); cresize(0, 0); - redraw(0); + redraw(); xhints(); } +void +xzoomreset(const Arg *arg) { + Arg larg; + + if(defaultfontsize > 0) { + larg.i = defaultfontsize; + xzoomabs(&larg); + } +} + void xinit(void) { XGCValues gcvalues; @@ -3107,8 +3196,8 @@ xinit(void) { | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask; xw.attrs.colormap = xw.cmap; - parent = opt_embed ? strtol(opt_embed, NULL, 0) : \ - XRootWindow(xw.dpy, xw.scr); + if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) + parent = XRootWindow(xw.dpy, xw.scr); xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t, xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput, xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity @@ -3170,7 +3259,7 @@ void xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch, width = charlen * xw.cw, xp, i; - int frcflags; + int frcflags, charexists; int u8fl, u8fblen, u8cblen, doesexist; char *u8c, *u8fs; long unicodep; @@ -3353,8 +3442,13 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { /* Search the font cache. */ for(i = 0; i < frclen; i++) { - if(XftCharExists(xw.dpy, frc[i].font, unicodep) - && frc[i].flags == frcflags) { + charexists = XftCharExists(xw.dpy, frc[i].font, unicodep); + /* Everything correct. */ + if(charexists && frc[i].flags == frcflags) + break; + /* We got a default font for a not found glyph. */ + if(!charexists && frc[i].flags == frcflags \ + && frc[i].unicodep == unicodep) { break; } } @@ -3362,7 +3456,8 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { /* Nothing was found. */ if(i >= frclen) { if(!font->set) - xloadfontset(font); + font->set = FcFontSort(0, font->pattern, + FcTrue, 0, &fcres); fcsets[0] = font->set; /* @@ -3385,8 +3480,8 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { FcMatchPattern); FcDefaultSubstitute(fcpattern); - fontpattern = FcFontSetMatch(0, fcsets, - FcTrue, fcpattern, &fcres); + fontpattern = FcFontSetMatch(0, fcsets, 1, + fcpattern, &fcres); /* * Overwrite or create the new cache entry. @@ -3394,11 +3489,13 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { if(frclen >= LEN(frc)) { frclen = LEN(frc) - 1; XftFontClose(xw.dpy, frc[frclen].font); + frc[frclen].unicodep = 0; } frc[frclen].font = XftFontOpenPattern(xw.dpy, fontpattern); frc[frclen].flags = frcflags; + frc[frclen].unicodep = unicodep; i = frclen; frclen++; @@ -3439,11 +3536,20 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { XftDrawSetClip(xw.draw, 0); } +void +xdrawglyph(Glyph g, int x, int y) { + static char buf[UTF_SIZ]; + size_t len = utf8encode(g.u, buf); + int width = g.mode & ATTR_WIDE ? 2 : 1; + + xdraws(buf, g, x, y, width, len); +} + void xdrawcursor(void) { static int oldx = 0, oldy = 0; - int sl, width, curx; - Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs}; + int curx; + Glyph g = {' ', ATTR_NULL, defaultbg, defaultcs}; LIMIT(oldx, 0, term.col-1); LIMIT(oldy, 0, term.row-1); @@ -3456,29 +3562,44 @@ xdrawcursor(void) { if(term.line[term.c.y][curx].mode & ATTR_WDUMMY) curx--; - memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ); + g.u = term.line[term.c.y][term.c.x].u; /* remove the old cursor */ - sl = utf8len(term.line[oldy][oldx].c); - width = (term.line[oldy][oldx].mode & ATTR_WIDE)? 2 : 1; - xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx, - oldy, width, sl); + xdrawglyph(term.line[oldy][oldx], oldx, oldy); if(IS_SET(MODE_HIDE)) return; /* draw the new one */ if(xw.state & WIN_FOCUSED) { - if(IS_SET(MODE_REVERSE)) { - g.mode |= ATTR_REVERSE; - g.fg = defaultcs; - g.bg = defaultfg; - } + 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; + } - sl = utf8len(g.c); - width = (term.line[term.c.y][curx].mode & ATTR_WIDE)\ - ? 2 : 1; - xdraws(g.c, g, term.c.x, term.c.y, width, sl); + 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; + } } else { XftDrawRect(xw.draw, &dc.col[defaultcs], borderpx + curx * xw.cw, @@ -3518,16 +3639,9 @@ xresettitle(void) { } void -redraw(int timeout) { - struct timespec tv = {0, timeout * 1000}; - +redraw(void) { tfulldirt(); draw(); - - if(timeout > 0) { - nanosleep(&tv, NULL); - XSync(xw.dpy, False); /* necessary for a good tput flash */ - } } void @@ -3542,11 +3656,10 @@ draw(void) { void drawregion(int x1, int y1, int x2, int y2) { - int ic, ib, x, y, ox, sl; + int ic, ib, x, y, ox; Glyph base, new; char buf[DRAW_BUF_SIZ]; bool ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN); - long unicodep; if(!(xw.state & WIN_VISIBLE)) return; @@ -3575,9 +3688,7 @@ drawregion(int x1, int y1, int x2, int y2) { base = new; } - sl = utf8decode(new.c, &unicodep, UTF_SIZ); - memcpy(buf+ib, new.c, sl); - ib += sl; + ib += utf8encode(new.u, buf+ib); ic += (new.mode & ATTR_WIDE)? 2 : 1; } if(ib > 0) @@ -3588,25 +3699,14 @@ drawregion(int x1, int y1, int x2, int y2) { void expose(XEvent *ev) { - XExposeEvent *e = &ev->xexpose; - - if(xw.state & WIN_REDRAW) { - if(!e->count) - xw.state &= ~WIN_REDRAW; - } - redraw(0); + redraw(); } void visibility(XEvent *ev) { XVisibilityEvent *e = &ev->xvisibility; - if(e->state == VisibilityFullyObscured) { - xw.state &= ~WIN_VISIBLE; - } else if(!(xw.state & WIN_VISIBLE)) { - /* need a full redraw for next Expose, not just a buf copy */ - xw.state |= WIN_VISIBLE | WIN_REDRAW; - } + MODBIT(xw.state, e->state != VisibilityFullyObscured, WIN_VISIBLE); } void @@ -3650,7 +3750,7 @@ focus(XEvent *ev) { } } -static inline bool +bool match(uint mask, uint state) { return mask == XK_ANY_MOD || mask == (state & ~ignoremod); } @@ -3734,7 +3834,7 @@ kpress(XEvent *ev) { if(IS_SET(MODE_8BIT)) { if(*buf < 0177) { c = *buf | 0x80; - len = utf8encode(c, buf, UTF_SIZ); + len = utf8encode(c, buf); } } else { buf[1] = buf[0]; @@ -3801,17 +3901,13 @@ run(void) { long deltatime; /* Waiting for window mapping */ - while(1) { + do { XNextEvent(xw.dpy, &ev); - if(XFilterEvent(&ev, None)) - continue; if(ev.type == ConfigureNotify) { w = ev.xconfigure.width; h = ev.xconfigure.height; - } else if(ev.type == MapNotify) { - break; } - } + } while(ev.type != MapNotify); ttynew(); cresize(w, h); @@ -3843,7 +3939,7 @@ run(void) { clock_gettime(CLOCK_MONOTONIC, &now); drawtimeout.tv_sec = 0; - drawtimeout.tv_nsec = (1000/xfps) * 1E6; + drawtimeout.tv_nsec = (1000 * 1E6)/ xfps; tv = &drawtimeout; dodraw = 0; @@ -3854,8 +3950,7 @@ run(void) { dodraw = 1; } deltatime = TIMEDIFF(now, last); - if(deltatime > (xev? (1000/xfps) : (1000/actionfps)) - || deltatime < 0) { + if(deltatime > 1000 / (xev ? xfps : actionfps)) { dodraw = 1; last = now; } @@ -3885,6 +3980,9 @@ run(void) { TIMEDIFF(now, lastblink))); } + drawtimeout.tv_sec = \ + drawtimeout.tv_nsec / 1E9; + drawtimeout.tv_nsec %= (long)1E9; } else { tv = NULL; } @@ -3895,18 +3993,21 @@ run(void) { void usage(void) { - die("%s " VERSION " (c) 2010-2014 st engineers\n" \ + 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 ...]\n", argv0); + " [-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); } int main(int argc, char *argv[]) { - char *titles; uint cols = 80, rows = 24; xw.l = xw.t = 0; xw.isfixed = False; + xw.cursor = 0; ARGBEGIN { case 'a': @@ -3916,14 +4017,8 @@ main(int argc, char *argv[]) { opt_class = EARGF(usage()); break; case 'e': - /* eat all remaining arguments */ - if(argc > 1) { - opt_cmd = &argv[1]; - if(argv[1] != NULL && opt_title == NULL) { - titles = xstrdup(argv[1]); - opt_title = basename(titles); - } - } + if(argc > 1) + --argc, ++argv; goto run; case 'f': opt_font = EARGF(usage()); @@ -3938,6 +4033,9 @@ main(int argc, char *argv[]) { case 'o': opt_io = EARGF(usage()); break; + case 'l': + opt_line = EARGF(usage()); + break; case 't': opt_title = EARGF(usage()); break; @@ -3950,9 +4048,15 @@ main(int argc, char *argv[]) { } ARGEND; run: + if(argc > 0) { + /* eat all remaining arguments */ + opt_cmd = argv; + if(!opt_title && !opt_line) + opt_title = basename(xstrdup(argv[0])); + } setlocale(LC_CTYPE, ""); XSetLocaleModifiers(""); - tnew(cols? cols : 1, rows? rows : 1); + tnew(MAX(cols, 1), MAX(rows, 1)); xinit(); selinit(); run();