enum window_state {
WIN_VISIBLE = 1,
- WIN_REDRAW = 2,
- WIN_FOCUSED = 4
+ WIN_FOCUSED = 2
};
enum selection_type {
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);
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);
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);
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;
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)
}
void
-selcopy(void) {
- xsetsel(getsel());
+selcopy(Time t) {
+ xsetsel(getsel(), t);
}
void
XSelectionEvent *xsev;
ofs = 0;
- xsev = (XSelectionEvent *)e;
+ xsev = &e->xselection;
if (xsev->property == None)
return;
do {
xev.selection = xsre->selection;
xev.target = xsre->target;
xev.time = xsre->time;
+ if (xsre->property == None)
+ xsre->property = xsre->target;
+
/* reject */
xev.property = None;
}
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
selclear(NULL);
} else {
getbuttoninfo(e);
- selcopy();
+ selcopy(e->xbutton.time);
}
sel.mode = 0;
tsetdirt(sel.nb.y, sel.ne.y);
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));
die("fork failed\n");
break;
case 0:
+ close(iofd);
setsid(); /* create a new process group */
dup2(s, STDIN_FILENO);
dup2(s, STDOUT_FILENO);
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;
}
}
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++) {
for(--x; x > 0 && !term.tabs[x]; --x)
/* nothing */ ;
}
- tmoveto(x, term.c.y);
+ term.c.x = LIMIT(x, 0, term.col-1);
}
void
strreset();
strescseq.type = c;
term.esc |= ESC_STR;
- return;
}
void
}
/* only CAN, SUB, \a and C1 chars interrupt a sequence */
term.esc &= ~(ESC_STR_END|ESC_STR);
- return;
}
/*
free(term.line[i]);
free(term.alt[i]);
}
- if(i > 0) {
+ /* 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));
}
void
expose(XEvent *ev) {
- XExposeEvent *e = &ev->xexpose;
-
- if(xw.state & WIN_REDRAW) {
- if(!e->count)
- xw.state &= ~WIN_REDRAW;
- }
redraw();
}
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
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;
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;
}
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
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)
- opt_title = basename(xstrdup(argv[1]));
- }
+ if(argc > 1)
+ --argc, ++argv;
goto run;
case 'f':
opt_font = EARGF(usage());
case 'o':
opt_io = EARGF(usage());
break;
+ case 'l':
+ opt_line = EARGF(usage());
+ break;
case 't':
opt_title = EARGF(usage());
break;
} 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));