X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=st.c;h=ece1f64b50926b96c34d723ca03e64aed4e7928b;hb=736685d641c23e8b08f3349d64bf30c1c86cd95d;hp=fb37eb51b564107749db184484b45f91512b642b;hpb=6352502d644d8295ceb2cdf68a5ecbac0891d4a6;p=st.git diff --git a/st.c b/st.c index fb37eb5..ece1f64 100644 --- a/st.c +++ b/st.c @@ -1,4 +1,4 @@ -/* See LICENSE for licence details. */ +/* See LICENSE for license details. */ #include #include #include @@ -158,8 +158,7 @@ enum escape_state { enum window_state { WIN_VISIBLE = 1, - WIN_REDRAW = 2, - WIN_FOCUSED = 4 + WIN_FOCUSED = 2 }; enum selection_type { @@ -352,6 +351,7 @@ static void draw(void); 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); @@ -423,7 +423,7 @@ 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); @@ -449,7 +449,7 @@ 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 int x2col(int); @@ -508,6 +508,7 @@ 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; @@ -671,7 +672,8 @@ y2row(int y) { return LIMIT(y, 0, term.row-1); } -int tlinelen(int y) { +int +tlinelen(int y) { int i = term.col; if(term.line[y][i - 1].mode & ATTR_WRAP) @@ -984,8 +986,8 @@ getsel(void) { } void -selcopy(void) { - xsetsel(getsel()); +selcopy(Time t) { + xsetsel(getsel(), t); } void @@ -997,7 +999,7 @@ selnotify(XEvent *e) { XSelectionEvent *xsev; ofs = 0; - xsev = (XSelectionEvent *)e; + xsev = &e->xselection; if (xsev->property == None) return; do { @@ -1083,6 +1085,9 @@ 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; @@ -1125,11 +1130,13 @@ selrequest(XEvent *e) { } void -xsetsel(char *str) { +xsetsel(char *str, Time t) { free(sel.primary); sel.primary = str; - XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, CurrentTime); + XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t); + if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win) + selclear(0); } void @@ -1146,7 +1153,7 @@ brelease(XEvent *e) { selclear(NULL); } else { getbuttoninfo(e); - selcopy(); + selcopy(e->xbutton.time); } sel.mode = 0; tsetdirt(sel.nb.y, sel.ne.y); @@ -1248,11 +1255,55 @@ sigchld(int a) { 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'; + system(cmd); +} + 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)); @@ -1262,6 +1313,7 @@ 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); @@ -1276,16 +1328,6 @@ 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; } } @@ -1416,7 +1458,7 @@ 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++) { @@ -1571,11 +1613,9 @@ 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 @@ -2392,7 +2432,7 @@ 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 @@ -2446,26 +2486,23 @@ tdectest(char c) { 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 @@ -2547,7 +2584,6 @@ tcontrolcode(uchar ascii) { } /* only CAN, SUB, \a and C1 chars interrupt a sequence */ term.esc &= ~(ESC_STR_END|ESC_STR); - return; } /* @@ -2769,7 +2805,6 @@ 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; @@ -2779,19 +2814,19 @@ tresize(int col, int row) { return; } - /* free unneeded rows */ - for(i = 0; i < slide; i++) { + /* + * 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]); } - 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 - */ - memmove(term.line, term.line + slide, row * sizeof(Line)); - memmove(term.alt, term.alt + slide, row * sizeof(Line)); + /* 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]); @@ -3703,12 +3738,6 @@ 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(); } @@ -3716,12 +3745,7 @@ 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 @@ -3954,7 +3978,7 @@ 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; @@ -3965,8 +3989,7 @@ 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; } @@ -4009,14 +4032,16 @@ run(void) { void usage(void) { - die("%s " VERSION " (c) 2010-2015 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; @@ -4031,14 +4056,8 @@ 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()); @@ -4053,6 +4072,9 @@ 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; @@ -4065,6 +4087,12 @@ 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(MAX(cols, 1), MAX(rows, 1));