1 /* See LICENSE for licence details. */
15 #include <sys/ioctl.h>
16 #include <sys/select.h>
19 #include <sys/types.h>
24 #include <X11/Xatom.h>
26 #include <X11/Xutil.h>
27 #include <X11/cursorfont.h>
28 #include <X11/keysym.h>
29 #include <X11/Xft/Xft.h>
30 #include <fontconfig/fontconfig.h>
42 #elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
44 #elif defined(__FreeBSD__) || defined(__DragonFly__)
50 #define XEMBED_FOCUS_IN 4
51 #define XEMBED_FOCUS_OUT 5
54 #define UTF_INVALID 0xFFFD
56 #define ESC_BUF_SIZ (128*UTF_SIZ)
57 #define ESC_ARG_SIZ 16
58 #define STR_BUF_SIZ ESC_BUF_SIZ
59 #define STR_ARG_SIZ ESC_ARG_SIZ
60 #define DRAW_BUF_SIZ 20*1024
61 #define XK_ANY_MOD UINT_MAX
63 #define XK_SWITCH_MOD (1<<13)
65 #define REDRAW_TIMEOUT (80*1000) /* 80 ms */
68 #define MIN(a, b) ((a) < (b) ? (a) : (b))
69 #define MAX(a, b) ((a) < (b) ? (b) : (a))
70 #define LEN(a) (sizeof(a) / sizeof(a)[0])
71 #define DEFAULT(a, b) (a) = (a) ? (a) : (b)
72 #define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
73 #define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f))
74 #define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
75 #define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
76 #define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
77 #define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg)
78 #define IS_SET(flag) ((term.mode & (flag)) != 0)
79 #define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_nsec-t2.tv_nsec)/1E6)
80 #define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
82 #define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
83 #define IS_TRUECOL(x) (1 << 24 & (x))
84 #define TRUERED(x) (((x) & 0xff0000) >> 8)
85 #define TRUEGREEN(x) (((x) & 0xff00))
86 #define TRUEBLUE(x) (((x) & 0xff) << 8)
89 #define VT102ID "\033[?6c"
91 enum glyph_attribute {
106 enum cursor_movement {
124 MODE_MOUSEMOTION = 64,
129 MODE_APPCURSOR = 2048,
130 MODE_MOUSESGR = 4096,
135 MODE_MOUSEX10 = 131072,
136 MODE_MOUSEMANY = 262144,
137 MODE_BRCKTPASTE = 524288,
138 MODE_PRINT = 1048576,
139 MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
156 ESC_STR = 4, /* DCS, OSC, PM, APC */
158 ESC_STR_END = 16, /* a final string was encountered */
159 ESC_TEST = 32, /* Enter in test mode */
168 enum selection_type {
173 enum selection_snap {
178 typedef unsigned char uchar;
179 typedef unsigned int uint;
180 typedef unsigned long ulong;
181 typedef unsigned short ushort;
183 typedef XftDraw *Draw;
184 typedef XftColor Color;
187 char c[UTF_SIZ]; /* character code */
188 ushort mode; /* attribute flags */
189 uint32_t fg; /* foreground */
190 uint32_t bg; /* background */
196 Glyph attr; /* current char attributes */
202 /* CSI Escape sequence structs */
203 /* ESC '[' [[ [<priv>] <arg> [;]] <mode>] */
205 char buf[ESC_BUF_SIZ]; /* raw string */
206 int len; /* raw string length */
208 int arg[ESC_ARG_SIZ];
209 int narg; /* nb of args */
213 /* STR Escape sequence structs */
214 /* ESC type [[ [<priv>] <arg> [;]] <mode>] ESC '\' */
216 char type; /* ESC type ... */
217 char buf[STR_BUF_SIZ]; /* raw string */
218 int len; /* raw string length */
219 char *args[STR_ARG_SIZ];
220 int narg; /* nb of args */
223 /* Internal representation of the screen */
225 int row; /* nb row */
226 int col; /* nb col */
227 Line *line; /* screen */
228 Line *alt; /* alternate screen */
229 bool *dirty; /* dirtyness of lines */
230 TCursor c; /* cursor */
231 int top; /* top scroll limit */
232 int bot; /* bottom scroll limit */
233 int mode; /* terminal mode flags */
234 int esc; /* escape state flags */
235 char trantbl[4]; /* charset table translation */
236 int charset; /* current charset */
237 int icharset; /* selected charset for sequence */
238 bool numlock; /* lock numbers in keyboard */
242 /* Purely graphic info */
248 Atom xembed, wmdeletewin, netwmname, netwmpid;
253 XSetWindowAttributes attrs;
255 bool isfixed; /* is fixed geometry? */
256 int l, t; /* left and top offset */
257 int gm; /* geometry mask */
258 int tw, th; /* tty width and height */
259 int w, h; /* window width and height */
260 int ch; /* char height */
261 int cw; /* char width */
262 char state; /* focus, redraw, visible */
275 /* three valued logic variables: 0 indifferent, 1 on, -1 off */
276 signed char appkey; /* application keypad */
277 signed char appcursor; /* application cursor */
278 signed char crlf; /* crlf mode */
286 * Selection variables:
287 * nb – normalized coordinates of the beginning of the selection
288 * ne – normalized coordinates of the end of the selection
289 * ob – original coordinates of the beginning of the selection
290 * oe – original coordinates of the end of the selection
299 struct timespec tclick1;
300 struct timespec tclick2;
313 void (*func)(const Arg *);
317 /* function definitions used in config.h */
318 static void clippaste(const Arg *);
319 static void numlock(const Arg *);
320 static void selpaste(const Arg *);
321 static void xzoom(const Arg *);
322 static void printsel(const Arg *);
323 static void printscreen(const Arg *) ;
324 static void toggleprinter(const Arg *);
326 /* Config.h for applying patches and the configuration. */
342 /* Drawing Context */
344 Color col[MAX(LEN(colorname), 256)];
345 Font font, bfont, ifont, ibfont;
349 static void die(const char *, ...);
350 static void draw(void);
351 static void redraw(int);
352 static void drawregion(int, int, int, int);
353 static void execsh(void);
354 static void sigchld(int);
355 static void run(void);
357 static void csidump(void);
358 static void csihandle(void);
359 static void csiparse(void);
360 static void csireset(void);
361 static void strdump(void);
362 static void strhandle(void);
363 static void strparse(void);
364 static void strreset(void);
366 static int tattrset(int);
367 static void tprinter(char *, size_t);
368 static void tdumpsel(void);
369 static void tdumpline(int);
370 static void tdump(void);
371 static void tclearregion(int, int, int, int);
372 static void tcursor(int);
373 static void tdeletechar(int);
374 static void tdeleteline(int);
375 static void tinsertblank(int);
376 static void tinsertblankline(int);
377 static int tlinelen(int);
378 static void tmoveto(int, int);
379 static void tmoveato(int, int);
380 static void tnew(int, int);
381 static void tnewline(int);
382 static void tputtab(int);
383 static void tputc(char *, int);
384 static void treset(void);
385 static void tresize(int, int);
386 static void tscrollup(int, int);
387 static void tscrolldown(int, int);
388 static void tsetattr(int *, int);
389 static void tsetchar(char *, Glyph *, int, int);
390 static void tsetscroll(int, int);
391 static void tswapscreen(void);
392 static void tsetdirt(int, int);
393 static void tsetdirtattr(int);
394 static void tsetmode(bool, bool, int *, int);
395 static void tfulldirt(void);
396 static void techo(char *, int);
397 static void tcontrolcode(uchar );
398 static void tdectest(char );
399 static int32_t tdefcolor(int *, int *, int);
400 static void tdeftran(char);
401 static inline bool match(uint, uint);
402 static void ttynew(void);
403 static void ttyread(void);
404 static void ttyresize(void);
405 static void ttysend(char *, size_t);
406 static void ttywrite(const char *, size_t);
407 static void tstrsequence(uchar c);
409 static void xdraws(char *, Glyph, int, int, int, int);
410 static void xhints(void);
411 static void xclear(int, int, int, int);
412 static void xdrawcursor(void);
413 static void xinit(void);
414 static void xloadcols(void);
415 static int xsetcolorname(int, const char *);
416 static int xgeommasktogravity(int);
417 static int xloadfont(Font *, FcPattern *);
418 static void xloadfonts(char *, double);
419 static int xloadfontset(Font *);
420 static void xsettitle(char *);
421 static void xresettitle(void);
422 static void xsetpointermotion(int);
423 static void xseturgency(int);
424 static void xsetsel(char *);
425 static void xtermclear(int, int, int, int);
426 static void xunloadfont(Font *);
427 static void xunloadfonts(void);
428 static void xresize(int, int);
430 static void expose(XEvent *);
431 static void visibility(XEvent *);
432 static void unmap(XEvent *);
433 static char *kmap(KeySym, uint);
434 static void kpress(XEvent *);
435 static void cmessage(XEvent *);
436 static void cresize(int, int);
437 static void resize(XEvent *);
438 static void focus(XEvent *);
439 static void brelease(XEvent *);
440 static void bpress(XEvent *);
441 static void bmotion(XEvent *);
442 static void selnotify(XEvent *);
443 static void selclear(XEvent *);
444 static void selrequest(XEvent *);
446 static void selinit(void);
447 static void selnormalize(void);
448 static inline bool selected(int, int);
449 static char *getsel(void);
450 static void selcopy(void);
451 static void selscroll(int, int);
452 static void selsnap(int, int *, int *, int);
453 static void getbuttoninfo(XEvent *);
454 static void mousereport(XEvent *);
456 static size_t utf8decode(char *, long *, size_t);
457 static long utf8decodebyte(char, size_t *);
458 static size_t utf8encode(long, char *, size_t);
459 static char utf8encodebyte(long, size_t);
460 static size_t utf8len(char *);
461 static size_t utf8validate(long *, size_t);
463 static ssize_t xwrite(int, const char *, size_t);
464 static void *xmalloc(size_t);
465 static void *xrealloc(void *, size_t);
466 static char *xstrdup(char *);
468 static void usage(void);
470 static void (*handler[LASTEvent])(XEvent *) = {
472 [ClientMessage] = cmessage,
473 [ConfigureNotify] = resize,
474 [VisibilityNotify] = visibility,
475 [UnmapNotify] = unmap,
479 [MotionNotify] = bmotion,
480 [ButtonPress] = bpress,
481 [ButtonRelease] = brelease,
482 [SelectionClear] = selclear,
483 [SelectionNotify] = selnotify,
484 [SelectionRequest] = selrequest,
491 static CSIEscape csiescseq;
492 static STREscape strescseq;
495 static Selection sel;
496 static int iofd = STDOUT_FILENO;
497 static char **opt_cmd = NULL;
498 static char *opt_io = NULL;
499 static char *opt_title = NULL;
500 static char *opt_embed = NULL;
501 static char *opt_class = NULL;
502 static char *opt_font = NULL;
503 static int oldbutton = 3; /* button event on startup: 3 = release */
505 static char *usedfont = NULL;
506 static double usedfontsize = 0;
508 static uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0};
509 static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
510 static long utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000};
511 static long utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
513 /* Font Ring Cache */
526 /* Fontcache is an array now. A new font will be appended to the array. */
527 static Fontcache frc[16];
528 static int frclen = 0;
531 xwrite(int fd, const char *s, size_t len) {
535 ssize_t r = write(fd, s, len);
545 xmalloc(size_t len) {
546 void *p = malloc(len);
549 die("Out of memory\n");
555 xrealloc(void *p, size_t len) {
556 if((p = realloc(p, len)) == NULL)
557 die("Out of memory\n");
564 if((s = strdup(s)) == NULL)
565 die("Out of memory\n");
571 utf8decode(char *c, long *u, size_t clen) {
572 size_t i, j, len, type;
578 udecoded = utf8decodebyte(c[0], &len);
579 if(!BETWEEN(len, 1, UTF_SIZ))
581 for(i = 1, j = 1; i < clen && j < len; ++i, ++j) {
582 udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type);
589 utf8validate(u, len);
594 utf8decodebyte(char c, size_t *i) {
595 for(*i = 0; *i < LEN(utfmask); ++(*i))
596 if(((uchar)c & utfmask[*i]) == utfbyte[*i])
597 return (uchar)c & ~utfmask[*i];
602 utf8encode(long u, char *c, size_t clen) {
605 len = utf8validate(&u, 0);
608 for(i = len - 1; i != 0; --i) {
609 c[i] = utf8encodebyte(u, 0);
612 c[0] = utf8encodebyte(u, len);
617 utf8encodebyte(long u, size_t i) {
618 return utfbyte[i] | (u & ~utfmask[i]);
623 return utf8decode(c, &(long){0}, UTF_SIZ);
627 utf8validate(long *u, size_t i) {
628 if(!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
630 for(i = 1; *u > utfmax[i]; ++i)
637 memset(&sel.tclick1, 0, sizeof(sel.tclick1));
638 memset(&sel.tclick2, 0, sizeof(sel.tclick2));
642 sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
643 if(sel.xtarget == None)
644 sel.xtarget = XA_STRING;
652 return LIMIT(x, 0, term.col-1);
660 return LIMIT(y, 0, term.row-1);
663 static int tlinelen(int y) {
666 while (i > 0 && term.line[y][i - 1].c[0] == ' ')
676 if(sel.ob.y == sel.oe.y || sel.type == SEL_RECTANGULAR) {
677 sel.nb.x = MIN(sel.ob.x, sel.oe.x);
678 sel.ne.x = MAX(sel.ob.x, sel.oe.x);
680 sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x;
681 sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x;
683 sel.nb.y = MIN(sel.ob.y, sel.oe.y);
684 sel.ne.y = MAX(sel.ob.y, sel.oe.y);
686 /* expand selection over line breaks */
687 if (sel.type == SEL_RECTANGULAR)
689 i = tlinelen(sel.nb.y);
692 if (tlinelen(sel.ne.y) <= sel.ne.x)
693 sel.ne.x = term.col - 1;
697 selected(int x, int y) {
698 if(sel.type == SEL_RECTANGULAR)
699 return BETWEEN(y, sel.nb.y, sel.ne.y)
700 && BETWEEN(x, sel.nb.x, sel.ne.x);
702 return BETWEEN(y, sel.nb.y, sel.ne.y)
703 && (y != sel.nb.y || x >= sel.nb.x)
704 && (y != sel.ne.y || x <= sel.ne.x);
708 selsnap(int mode, int *x, int *y, int direction) {
709 int newx, newy, xt, yt;
715 * Snap around if the word wraps around at the end or
716 * beginning of a line.
719 newx = *x + direction;
721 if(!BETWEEN(newx, 0, term.col - 1)) {
723 newx = (newx + term.col) % term.col;
724 if (!BETWEEN(newy, 0, term.row - 1))
730 yt = newy, xt = newx;
731 if(!(term.line[yt][xt].mode & ATTR_WRAP))
735 if (newx >= tlinelen(newy))
738 gp = &term.line[newy][newx];
739 if (!(gp->mode & ATTR_WDUMMY) && strchr(worddelimiters, gp->c[0]))
748 * Snap around if the the previous line or the current one
749 * has set ATTR_WRAP at its end. Then the whole next or
750 * previous line will be selected.
752 *x = (direction < 0) ? 0 : term.col - 1;
753 if(direction < 0 && *y > 0) {
754 for(; *y > 0; *y += direction) {
755 if(!(term.line[*y-1][term.col-1].mode
760 } else if(direction > 0 && *y < term.row-1) {
761 for(; *y < term.row; *y += direction) {
762 if(!(term.line[*y][term.col-1].mode
773 getbuttoninfo(XEvent *e) {
775 uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
777 sel.alt = IS_SET(MODE_ALTSCREEN);
779 sel.oe.x = x2col(e->xbutton.x);
780 sel.oe.y = y2row(e->xbutton.y);
782 if(sel.ob.y < sel.oe.y
783 || (sel.ob.y == sel.oe.y && sel.ob.x < sel.oe.x)) {
784 selsnap(sel.snap, &sel.ob.x, &sel.ob.y, -1);
785 selsnap(sel.snap, &sel.oe.x, &sel.oe.y, +1);
787 selsnap(sel.snap, &sel.oe.x, &sel.oe.y, -1);
788 selsnap(sel.snap, &sel.ob.x, &sel.ob.y, +1);
792 sel.type = SEL_REGULAR;
793 for(type = 1; type < LEN(selmasks); ++type) {
794 if(match(selmasks[type], state)) {
802 mousereport(XEvent *e) {
803 int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
804 button = e->xbutton.button, state = e->xbutton.state,
810 if(e->xbutton.type == MotionNotify) {
811 if(x == ox && y == oy)
813 if(!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
815 /* MOUSE_MOTION: no reporting if no button is pressed */
816 if(IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
819 button = oldbutton + 32;
823 if(!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
830 if(e->xbutton.type == ButtonPress) {
834 } else if(e->xbutton.type == ButtonRelease) {
836 /* MODE_MOUSEX10: no button release reporting */
837 if(IS_SET(MODE_MOUSEX10))
839 if (button == 64 || button == 65)
844 if(!IS_SET(MODE_MOUSEX10)) {
845 button += (state & ShiftMask ? 4 : 0)
846 + (state & Mod4Mask ? 8 : 0)
847 + (state & ControlMask ? 16 : 0);
851 if(IS_SET(MODE_MOUSESGR)) {
852 len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
854 e->xbutton.type == ButtonRelease ? 'm' : 'M');
855 } else if(x < 223 && y < 223) {
856 len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
857 32+button, 32+x+1, 32+y+1);
870 if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
875 for(mk = mshortcuts; mk < mshortcuts + LEN(mshortcuts); mk++) {
876 if(e->xbutton.button == mk->b
877 && match(mk->mask, e->xbutton.state)) {
878 ttysend(mk->s, strlen(mk->s));
883 if(e->xbutton.button == Button1) {
884 clock_gettime(CLOCK_MONOTONIC, &now);
886 /* Clear previous selection, logically and visually. */
889 sel.type = SEL_REGULAR;
890 sel.oe.x = sel.ob.x = x2col(e->xbutton.x);
891 sel.oe.y = sel.ob.y = y2row(e->xbutton.y);
894 * If the user clicks below predefined timeouts specific
895 * snapping behaviour is exposed.
897 if(TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
898 sel.snap = SNAP_LINE;
899 } else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
900 sel.snap = SNAP_WORD;
904 selsnap(sel.snap, &sel.ob.x, &sel.ob.y, -1);
905 selsnap(sel.snap, &sel.oe.x, &sel.oe.y, +1);
909 * Draw selection, unless it's regular and we don't want to
910 * make clicks visible
914 tsetdirt(sel.nb.y, sel.ne.y);
916 sel.tclick2 = sel.tclick1;
924 int y, bufsize, size, lastx, linelen;
930 bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ;
931 ptr = str = xmalloc(bufsize);
933 /* append every set & selected glyph to the selection */
934 for(y = sel.nb.y; y < sel.ne.y + 1; y++) {
935 linelen = tlinelen(y);
937 if(sel.type == SEL_RECTANGULAR) {
938 gp = &term.line[y][sel.nb.x];
941 gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0];
942 lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
944 last = &term.line[y][MIN(lastx, linelen-1)];
946 for( ; gp <= last; ++gp) {
947 if(gp->mode & ATTR_WDUMMY)
950 size = utf8len(gp->c);
951 memcpy(ptr, gp->c, size);
956 * Copy and pasting of line endings is inconsistent
957 * in the inconsistent terminal and GUI world.
958 * The best solution seems like to produce '\n' when
959 * something is copied from st and convert '\n' to
960 * '\r', when something to be pasted is received by
962 * FIXME: Fix the computer world.
964 if(sel.ne.y > y || lastx >= linelen)
977 selnotify(XEvent *e) {
978 ulong nitems, ofs, rem;
980 uchar *data, *last, *repl;
985 if(XGetWindowProperty(xw.dpy, xw.win, XA_PRIMARY, ofs, BUFSIZ/4,
986 False, AnyPropertyType, &type, &format,
987 &nitems, &rem, &data)) {
988 fprintf(stderr, "Clipboard allocation failed\n");
994 * Line endings are inconsistent in the terminal and GUI world
995 * copy and pasting. When receiving some selection data,
996 * replace all '\n' with '\r'.
997 * FIXME: Fix the computer world.
1000 last = data + nitems * format / 8;
1001 while((repl = memchr(repl, '\n', last - repl))) {
1005 if(IS_SET(MODE_BRCKTPASTE))
1006 ttywrite("\033[200~", 6);
1007 ttysend((char *)data, nitems * format / 8);
1008 if(IS_SET(MODE_BRCKTPASTE))
1009 ttywrite("\033[201~", 6);
1011 /* number of 32-bit chunks returned */
1012 ofs += nitems * format / 32;
1017 selpaste(const Arg *dummy) {
1018 XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY,
1019 xw.win, CurrentTime);
1023 clippaste(const Arg *dummy) {
1026 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
1027 XConvertSelection(xw.dpy, clipboard, sel.xtarget, XA_PRIMARY,
1028 xw.win, CurrentTime);
1032 selclear(XEvent *e) {
1036 tsetdirt(sel.nb.y, sel.ne.y);
1040 selrequest(XEvent *e) {
1041 XSelectionRequestEvent *xsre;
1042 XSelectionEvent xev;
1043 Atom xa_targets, string;
1045 xsre = (XSelectionRequestEvent *) e;
1046 xev.type = SelectionNotify;
1047 xev.requestor = xsre->requestor;
1048 xev.selection = xsre->selection;
1049 xev.target = xsre->target;
1050 xev.time = xsre->time;
1052 xev.property = None;
1054 xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
1055 if(xsre->target == xa_targets) {
1056 /* respond with the supported type */
1057 string = sel.xtarget;
1058 XChangeProperty(xsre->display, xsre->requestor, xsre->property,
1059 XA_ATOM, 32, PropModeReplace,
1060 (uchar *) &string, 1);
1061 xev.property = xsre->property;
1062 } else if(xsre->target == sel.xtarget && sel.clip != NULL) {
1063 XChangeProperty(xsre->display, xsre->requestor, xsre->property,
1064 xsre->target, 8, PropModeReplace,
1065 (uchar *) sel.clip, strlen(sel.clip));
1066 xev.property = xsre->property;
1069 /* all done, send a notification to the listener */
1070 if(!XSendEvent(xsre->display, xsre->requestor, True, 0, (XEvent *) &xev))
1071 fprintf(stderr, "Error sending SelectionNotify event\n");
1075 xsetsel(char *str) {
1076 /* register the selection for both the clipboard and the primary */
1082 XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, CurrentTime);
1084 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
1085 XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
1089 brelease(XEvent *e) {
1090 if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
1095 if(e->xbutton.button == Button2) {
1097 } else if(e->xbutton.button == Button1) {
1105 tsetdirt(sel.nb.y, sel.ne.y);
1110 bmotion(XEvent *e) {
1111 int oldey, oldex, oldsby, oldsey;
1113 if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
1128 if(oldey != sel.oe.y || oldex != sel.oe.x)
1129 tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
1133 die(const char *errstr, ...) {
1136 va_start(ap, errstr);
1137 vfprintf(stderr, errstr, ap);
1145 char *envshell = getenv("SHELL");
1146 const struct passwd *pass = getpwuid(getuid());
1147 char buf[sizeof(long) * 8 + 1];
1149 unsetenv("COLUMNS");
1151 unsetenv("TERMCAP");
1154 setenv("LOGNAME", pass->pw_name, 1);
1155 setenv("USER", pass->pw_name, 1);
1156 setenv("SHELL", pass->pw_shell, 0);
1157 setenv("HOME", pass->pw_dir, 0);
1160 snprintf(buf, sizeof(buf), "%lu", xw.win);
1161 setenv("WINDOWID", buf, 1);
1163 signal(SIGCHLD, SIG_DFL);
1164 signal(SIGHUP, SIG_DFL);
1165 signal(SIGINT, SIG_DFL);
1166 signal(SIGQUIT, SIG_DFL);
1167 signal(SIGTERM, SIG_DFL);
1168 signal(SIGALRM, SIG_DFL);
1170 DEFAULT(envshell, shell);
1171 setenv("TERM", termname, 1);
1172 args = opt_cmd ? opt_cmd : (char *[]){envshell, "-i", NULL};
1173 execvp(args[0], args);
1181 if(waitpid(pid, &stat, 0) < 0)
1182 die("Waiting for pid %hd failed: %s\n", pid, strerror(errno));
1184 ret = WIFEXITED(stat) ? WEXITSTATUS(stat) : EXIT_FAILURE;
1185 if (ret != EXIT_SUCCESS)
1186 die("child finished with error '%d'\n", stat);
1193 struct winsize w = {term.row, term.col, 0, 0};
1195 /* seems to work fine on linux, openbsd and freebsd */
1196 if(openpty(&m, &s, NULL, NULL, &w) < 0)
1197 die("openpty failed: %s\n", strerror(errno));
1199 switch(pid = fork()) {
1201 die("fork failed\n");
1204 setsid(); /* create a new process group */
1205 dup2(s, STDIN_FILENO);
1206 dup2(s, STDOUT_FILENO);
1207 dup2(s, STDERR_FILENO);
1208 if(ioctl(s, TIOCSCTTY, NULL) < 0)
1209 die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
1217 signal(SIGCHLD, sigchld);
1219 term.mode |= MODE_PRINT;
1220 iofd = (!strcmp(opt_io, "-")) ?
1222 open(opt_io, O_WRONLY | O_CREAT, 0666);
1224 fprintf(stderr, "Error opening %s:%s\n",
1225 opt_io, strerror(errno));
1234 static char buf[BUFSIZ];
1235 static int buflen = 0;
1238 int charsize; /* size of utf8 char in bytes */
1242 /* append read bytes to unprocessed bytes */
1243 if((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0)
1244 die("Couldn't read from shell: %s\n", strerror(errno));
1246 /* process every complete utf8 char */
1249 while((charsize = utf8decode(ptr, &unicodep, buflen))) {
1250 utf8encode(unicodep, s, UTF_SIZ);
1256 /* keep any uncomplete utf8 char for the next call */
1257 memmove(buf, ptr, buflen);
1261 ttywrite(const char *s, size_t n) {
1262 if(xwrite(cmdfd, s, n) == -1)
1263 die("write error on tty: %s\n", strerror(errno));
1267 ttysend(char *s, size_t n) {
1269 if(IS_SET(MODE_ECHO))
1277 w.ws_row = term.row;
1278 w.ws_col = term.col;
1279 w.ws_xpixel = xw.tw;
1280 w.ws_ypixel = xw.th;
1281 if(ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
1282 fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno));
1286 tattrset(int attr) {
1289 for(i = 0; i < term.row-1; i++) {
1290 for(j = 0; j < term.col-1; j++) {
1291 if(term.line[i][j].mode & attr)
1300 tsetdirt(int top, int bot) {
1303 LIMIT(top, 0, term.row-1);
1304 LIMIT(bot, 0, term.row-1);
1306 for(i = top; i <= bot; i++)
1311 tsetdirtattr(int attr) {
1314 for(i = 0; i < term.row-1; i++) {
1315 for(j = 0; j < term.col-1; j++) {
1316 if(term.line[i][j].mode & attr) {
1326 tsetdirt(0, term.row-1);
1331 static TCursor c[2];
1332 bool alt = IS_SET(MODE_ALTSCREEN);
1334 if(mode == CURSOR_SAVE) {
1336 } else if(mode == CURSOR_LOAD) {
1338 tmoveto(c[alt].x, c[alt].y);
1346 term.c = (TCursor){{
1350 }, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
1352 memset(term.tabs, 0, term.col * sizeof(*term.tabs));
1353 for(i = tabspaces; i < term.col; i += tabspaces)
1356 term.bot = term.row - 1;
1357 term.mode = MODE_WRAP;
1358 memset(term.trantbl, sizeof(term.trantbl), CS_USA);
1361 tclearregion(0, 0, term.col-1, term.row-1);
1363 tcursor(CURSOR_SAVE);
1367 tnew(int col, int row) {
1368 term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } };
1377 Line *tmp = term.line;
1379 term.line = term.alt;
1381 term.mode ^= MODE_ALTSCREEN;
1386 tscrolldown(int orig, int n) {
1390 LIMIT(n, 0, term.bot-orig+1);
1392 tsetdirt(orig, term.bot-n);
1393 tclearregion(0, term.bot-n+1, term.col-1, term.bot);
1395 for(i = term.bot; i >= orig+n; i--) {
1396 temp = term.line[i];
1397 term.line[i] = term.line[i-n];
1398 term.line[i-n] = temp;
1405 tscrollup(int orig, int n) {
1409 LIMIT(n, 0, term.bot-orig+1);
1411 tclearregion(0, orig, term.col-1, orig+n-1);
1412 tsetdirt(orig+n, term.bot);
1414 for(i = orig; i <= term.bot-n; i++) {
1415 temp = term.line[i];
1416 term.line[i] = term.line[i+n];
1417 term.line[i+n] = temp;
1420 selscroll(orig, -n);
1424 selscroll(int orig, int n) {
1428 if(BETWEEN(sel.ob.y, orig, term.bot) || BETWEEN(sel.oe.y, orig, term.bot)) {
1429 if((sel.ob.y += n) > term.bot || (sel.oe.y += n) < term.top) {
1433 if(sel.type == SEL_RECTANGULAR) {
1434 if(sel.ob.y < term.top)
1435 sel.ob.y = term.top;
1436 if(sel.oe.y > term.bot)
1437 sel.oe.y = term.bot;
1439 if(sel.ob.y < term.top) {
1440 sel.ob.y = term.top;
1443 if(sel.oe.y > term.bot) {
1444 sel.oe.y = term.bot;
1445 sel.oe.x = term.col;
1453 tnewline(int first_col) {
1457 tscrollup(term.top, 1);
1461 tmoveto(first_col ? 0 : term.c.x, y);
1466 char *p = csiescseq.buf, *np;
1475 csiescseq.buf[csiescseq.len] = '\0';
1476 while(p < csiescseq.buf+csiescseq.len) {
1478 v = strtol(p, &np, 10);
1481 if(v == LONG_MAX || v == LONG_MIN)
1483 csiescseq.arg[csiescseq.narg++] = v;
1485 if(*p != ';' || csiescseq.narg == ESC_ARG_SIZ)
1489 csiescseq.mode = *p;
1492 /* for absolute user moves, when decom is set */
1494 tmoveato(int x, int y) {
1495 tmoveto(x, y + ((term.c.state & CURSOR_ORIGIN) ? term.top: 0));
1499 tmoveto(int x, int y) {
1502 if(term.c.state & CURSOR_ORIGIN) {
1507 maxy = term.row - 1;
1509 LIMIT(x, 0, term.col-1);
1510 LIMIT(y, miny, maxy);
1511 term.c.state &= ~CURSOR_WRAPNEXT;
1517 tsetchar(char *c, Glyph *attr, int x, int y) {
1518 static char *vt100_0[62] = { /* 0x41 - 0x7e */
1519 "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
1520 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
1521 0, 0, 0, 0, 0, 0, 0, 0, /* P - W */
1522 0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */
1523 "◆", "▒", "␉", "␌", "␍", "␊", "°", "±", /* ` - g */
1524 "", "␋", "┘", "┐", "┌", "└", "┼", "⎺", /* h - o */
1525 "⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */
1526 "│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */
1530 * The table is proudly stolen from rxvt.
1532 if(term.trantbl[term.charset] == CS_GRAPHIC0) {
1533 if(BETWEEN(c[0], 0x41, 0x7e) && vt100_0[c[0] - 0x41]) {
1534 c = vt100_0[c[0] - 0x41];
1538 if(term.line[y][x].mode & ATTR_WIDE) {
1539 if(x+1 < term.col) {
1540 term.line[y][x+1].c[0] = ' ';
1541 term.line[y][x+1].mode &= ~ATTR_WDUMMY;
1543 } else if(term.line[y][x].mode & ATTR_WDUMMY) {
1544 term.line[y][x-1].c[0] = ' ';
1545 term.line[y][x-1].mode &= ~ATTR_WIDE;
1549 term.line[y][x] = *attr;
1550 memcpy(term.line[y][x].c, c, UTF_SIZ);
1554 tclearregion(int x1, int y1, int x2, int y2) {
1559 temp = x1, x1 = x2, x2 = temp;
1561 temp = y1, y1 = y2, y2 = temp;
1563 LIMIT(x1, 0, term.col-1);
1564 LIMIT(x2, 0, term.col-1);
1565 LIMIT(y1, 0, term.row-1);
1566 LIMIT(y2, 0, term.row-1);
1568 for(y = y1; y <= y2; y++) {
1570 for(x = x1; x <= x2; x++) {
1571 gp = &term.line[y][x];
1574 gp->fg = term.c.attr.fg;
1575 gp->bg = term.c.attr.bg;
1577 memcpy(gp->c, " ", 2);
1583 tdeletechar(int n) {
1587 LIMIT(n, 0, term.col - term.c.x);
1591 size = term.col - src;
1592 line = term.line[term.c.y];
1594 memmove(&line[dst], &line[src], size * sizeof(Glyph));
1595 tclearregion(term.col-n, term.c.y, term.col-1, term.c.y);
1599 tinsertblank(int n) {
1603 LIMIT(n, 0, term.col - term.c.x);
1607 size = term.col - dst;
1608 line = term.line[term.c.y];
1610 memmove(&line[dst], &line[src], size * sizeof(Glyph));
1611 tclearregion(src, term.c.y, dst - 1, term.c.y);
1615 tinsertblankline(int n) {
1616 if(BETWEEN(term.c.y, term.top, term.bot))
1617 tscrolldown(term.c.y, n);
1621 tdeleteline(int n) {
1622 if(BETWEEN(term.c.y, term.top, term.bot))
1623 tscrollup(term.c.y, n);
1627 tdefcolor(int *attr, int *npar, int l) {
1631 switch (attr[*npar + 1]) {
1632 case 2: /* direct color in RGB space */
1633 if (*npar + 4 >= l) {
1635 "erresc(38): Incorrect number of parameters (%d)\n",
1639 r = attr[*npar + 2];
1640 g = attr[*npar + 3];
1641 b = attr[*npar + 4];
1643 if(!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255))
1644 fprintf(stderr, "erresc: bad rgb color (%d,%d,%d)\n",
1647 idx = TRUECOLOR(r, g, b);
1649 case 5: /* indexed color */
1650 if (*npar + 2 >= l) {
1652 "erresc(38): Incorrect number of parameters (%d)\n",
1657 if(!BETWEEN(attr[*npar], 0, 255))
1658 fprintf(stderr, "erresc: bad fgcolor %d\n", attr[*npar]);
1662 case 0: /* implemented defined (only foreground) */
1663 case 1: /* transparent */
1664 case 3: /* direct color in CMY space */
1665 case 4: /* direct color in CMYK space */
1668 "erresc(38): gfx attr %d unknown\n", attr[*npar]);
1676 tsetattr(int *attr, int l) {
1680 for(i = 0; i < l; i++) {
1683 term.c.attr.mode &= ~(
1692 term.c.attr.fg = defaultfg;
1693 term.c.attr.bg = defaultbg;
1696 term.c.attr.mode |= ATTR_BOLD;
1699 term.c.attr.mode |= ATTR_FAINT;
1702 term.c.attr.mode |= ATTR_ITALIC;
1705 term.c.attr.mode |= ATTR_UNDERLINE;
1707 case 5: /* slow blink */
1709 case 6: /* rapid blink */
1710 term.c.attr.mode |= ATTR_BLINK;
1713 term.c.attr.mode |= ATTR_REVERSE;
1716 term.c.attr.mode |= ATTR_INVISIBLE;
1719 term.c.attr.mode |= ATTR_STRUCK;
1722 term.c.attr.mode &= ~(ATTR_BOLD | ATTR_FAINT);
1725 term.c.attr.mode &= ~ATTR_ITALIC;
1728 term.c.attr.mode &= ~ATTR_UNDERLINE;
1731 term.c.attr.mode &= ~ATTR_BLINK;
1734 term.c.attr.mode &= ~ATTR_REVERSE;
1737 term.c.attr.mode &= ~ATTR_INVISIBLE;
1740 term.c.attr.mode &= ~ATTR_STRUCK;
1743 if ((idx = tdefcolor(attr, &i, l)) >= 0)
1744 term.c.attr.fg = idx;
1747 term.c.attr.fg = defaultfg;
1750 if ((idx = tdefcolor(attr, &i, l)) >= 0)
1751 term.c.attr.bg = idx;
1754 term.c.attr.bg = defaultbg;
1757 if(BETWEEN(attr[i], 30, 37)) {
1758 term.c.attr.fg = attr[i] - 30;
1759 } else if(BETWEEN(attr[i], 40, 47)) {
1760 term.c.attr.bg = attr[i] - 40;
1761 } else if(BETWEEN(attr[i], 90, 97)) {
1762 term.c.attr.fg = attr[i] - 90 + 8;
1763 } else if(BETWEEN(attr[i], 100, 107)) {
1764 term.c.attr.bg = attr[i] - 100 + 8;
1767 "erresc(default): gfx attr %d unknown\n",
1768 attr[i]), csidump();
1776 tsetscroll(int t, int b) {
1779 LIMIT(t, 0, term.row-1);
1780 LIMIT(b, 0, term.row-1);
1791 tsetmode(bool priv, bool set, int *args, int narg) {
1795 for(lim = args + narg; args < lim; ++args) {
1798 case 1: /* DECCKM -- Cursor key */
1799 MODBIT(term.mode, set, MODE_APPCURSOR);
1801 case 5: /* DECSCNM -- Reverse video */
1803 MODBIT(term.mode, set, MODE_REVERSE);
1804 if(mode != term.mode)
1805 redraw(REDRAW_TIMEOUT);
1807 case 6: /* DECOM -- Origin */
1808 MODBIT(term.c.state, set, CURSOR_ORIGIN);
1811 case 7: /* DECAWM -- Auto wrap */
1812 MODBIT(term.mode, set, MODE_WRAP);
1814 case 0: /* Error (IGNORED) */
1815 case 2: /* DECANM -- ANSI/VT52 (IGNORED) */
1816 case 3: /* DECCOLM -- Column (IGNORED) */
1817 case 4: /* DECSCLM -- Scroll (IGNORED) */
1818 case 8: /* DECARM -- Auto repeat (IGNORED) */
1819 case 18: /* DECPFF -- Printer feed (IGNORED) */
1820 case 19: /* DECPEX -- Printer extent (IGNORED) */
1821 case 42: /* DECNRCM -- National characters (IGNORED) */
1822 case 12: /* att610 -- Start blinking cursor (IGNORED) */
1824 case 25: /* DECTCEM -- Text Cursor Enable Mode */
1825 MODBIT(term.mode, !set, MODE_HIDE);
1827 case 9: /* X10 mouse compatibility mode */
1828 xsetpointermotion(0);
1829 MODBIT(term.mode, 0, MODE_MOUSE);
1830 MODBIT(term.mode, set, MODE_MOUSEX10);
1832 case 1000: /* 1000: report button press */
1833 xsetpointermotion(0);
1834 MODBIT(term.mode, 0, MODE_MOUSE);
1835 MODBIT(term.mode, set, MODE_MOUSEBTN);
1837 case 1002: /* 1002: report motion on button press */
1838 xsetpointermotion(0);
1839 MODBIT(term.mode, 0, MODE_MOUSE);
1840 MODBIT(term.mode, set, MODE_MOUSEMOTION);
1842 case 1003: /* 1003: enable all mouse motions */
1843 xsetpointermotion(set);
1844 MODBIT(term.mode, 0, MODE_MOUSE);
1845 MODBIT(term.mode, set, MODE_MOUSEMANY);
1847 case 1004: /* 1004: send focus events to tty */
1848 MODBIT(term.mode, set, MODE_FOCUS);
1850 case 1006: /* 1006: extended reporting mode */
1851 MODBIT(term.mode, set, MODE_MOUSESGR);
1854 MODBIT(term.mode, set, MODE_8BIT);
1856 case 1049: /* swap screen & set/restore cursor as xterm */
1857 if (!allowaltscreen)
1859 tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
1861 case 47: /* swap screen */
1863 if (!allowaltscreen)
1865 alt = IS_SET(MODE_ALTSCREEN);
1867 tclearregion(0, 0, term.col-1,
1870 if(set ^ alt) /* set is always 1 or 0 */
1876 tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
1878 case 2004: /* 2004: bracketed paste mode */
1879 MODBIT(term.mode, set, MODE_BRCKTPASTE);
1881 /* Not implemented mouse modes. See comments there. */
1882 case 1001: /* mouse highlight mode; can hang the
1883 terminal by design when implemented. */
1884 case 1005: /* UTF-8 mouse mode; will confuse
1885 applications not supporting UTF-8
1887 case 1015: /* urxvt mangled mouse mode; incompatible
1888 and can be mistaken for other control
1892 "erresc: unknown private set/reset mode %d\n",
1898 case 0: /* Error (IGNORED) */
1900 case 2: /* KAM -- keyboard action */
1901 MODBIT(term.mode, set, MODE_KBDLOCK);
1903 case 4: /* IRM -- Insertion-replacement */
1904 MODBIT(term.mode, set, MODE_INSERT);
1906 case 12: /* SRM -- Send/Receive */
1907 MODBIT(term.mode, !set, MODE_ECHO);
1909 case 20: /* LNM -- Linefeed/new line */
1910 MODBIT(term.mode, set, MODE_CRLF);
1914 "erresc: unknown set/reset mode %d\n",
1927 switch(csiescseq.mode) {
1930 fprintf(stderr, "erresc: unknown csi ");
1934 case '@': /* ICH -- Insert <n> blank char */
1935 DEFAULT(csiescseq.arg[0], 1);
1936 tinsertblank(csiescseq.arg[0]);
1938 case 'A': /* CUU -- Cursor <n> Up */
1939 DEFAULT(csiescseq.arg[0], 1);
1940 tmoveto(term.c.x, term.c.y-csiescseq.arg[0]);
1942 case 'B': /* CUD -- Cursor <n> Down */
1943 case 'e': /* VPR --Cursor <n> Down */
1944 DEFAULT(csiescseq.arg[0], 1);
1945 tmoveto(term.c.x, term.c.y+csiescseq.arg[0]);
1947 case 'i': /* MC -- Media Copy */
1948 switch(csiescseq.arg[0]) {
1953 tdumpline(term.c.y);
1959 term.mode &= ~MODE_PRINT;
1962 term.mode |= MODE_PRINT;
1966 case 'c': /* DA -- Device Attributes */
1967 if(csiescseq.arg[0] == 0)
1968 ttywrite(VT102ID, sizeof(VT102ID) - 1);
1970 case 'C': /* CUF -- Cursor <n> Forward */
1971 case 'a': /* HPR -- Cursor <n> Forward */
1972 DEFAULT(csiescseq.arg[0], 1);
1973 tmoveto(term.c.x+csiescseq.arg[0], term.c.y);
1975 case 'D': /* CUB -- Cursor <n> Backward */
1976 DEFAULT(csiescseq.arg[0], 1);
1977 tmoveto(term.c.x-csiescseq.arg[0], term.c.y);
1979 case 'E': /* CNL -- Cursor <n> Down and first col */
1980 DEFAULT(csiescseq.arg[0], 1);
1981 tmoveto(0, term.c.y+csiescseq.arg[0]);
1983 case 'F': /* CPL -- Cursor <n> Up and first col */
1984 DEFAULT(csiescseq.arg[0], 1);
1985 tmoveto(0, term.c.y-csiescseq.arg[0]);
1987 case 'g': /* TBC -- Tabulation clear */
1988 switch(csiescseq.arg[0]) {
1989 case 0: /* clear current tab stop */
1990 term.tabs[term.c.x] = 0;
1992 case 3: /* clear all the tabs */
1993 memset(term.tabs, 0, term.col * sizeof(*term.tabs));
1999 case 'G': /* CHA -- Move to <col> */
2001 DEFAULT(csiescseq.arg[0], 1);
2002 tmoveto(csiescseq.arg[0]-1, term.c.y);
2004 case 'H': /* CUP -- Move to <row> <col> */
2006 DEFAULT(csiescseq.arg[0], 1);
2007 DEFAULT(csiescseq.arg[1], 1);
2008 tmoveato(csiescseq.arg[1]-1, csiescseq.arg[0]-1);
2010 case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
2011 DEFAULT(csiescseq.arg[0], 1);
2012 tputtab(csiescseq.arg[0]);
2014 case 'J': /* ED -- Clear screen */
2016 switch(csiescseq.arg[0]) {
2018 tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
2019 if(term.c.y < term.row-1) {
2020 tclearregion(0, term.c.y+1, term.col-1,
2026 tclearregion(0, 0, term.col-1, term.c.y-1);
2027 tclearregion(0, term.c.y, term.c.x, term.c.y);
2030 tclearregion(0, 0, term.col-1, term.row-1);
2036 case 'K': /* EL -- Clear line */
2037 switch(csiescseq.arg[0]) {
2039 tclearregion(term.c.x, term.c.y, term.col-1,
2043 tclearregion(0, term.c.y, term.c.x, term.c.y);
2046 tclearregion(0, term.c.y, term.col-1, term.c.y);
2050 case 'S': /* SU -- Scroll <n> line up */
2051 DEFAULT(csiescseq.arg[0], 1);
2052 tscrollup(term.top, csiescseq.arg[0]);
2054 case 'T': /* SD -- Scroll <n> line down */
2055 DEFAULT(csiescseq.arg[0], 1);
2056 tscrolldown(term.top, csiescseq.arg[0]);
2058 case 'L': /* IL -- Insert <n> blank lines */
2059 DEFAULT(csiescseq.arg[0], 1);
2060 tinsertblankline(csiescseq.arg[0]);
2062 case 'l': /* RM -- Reset Mode */
2063 tsetmode(csiescseq.priv, 0, csiescseq.arg, csiescseq.narg);
2065 case 'M': /* DL -- Delete <n> lines */
2066 DEFAULT(csiescseq.arg[0], 1);
2067 tdeleteline(csiescseq.arg[0]);
2069 case 'X': /* ECH -- Erase <n> char */
2070 DEFAULT(csiescseq.arg[0], 1);
2071 tclearregion(term.c.x, term.c.y,
2072 term.c.x + csiescseq.arg[0] - 1, term.c.y);
2074 case 'P': /* DCH -- Delete <n> char */
2075 DEFAULT(csiescseq.arg[0], 1);
2076 tdeletechar(csiescseq.arg[0]);
2078 case 'Z': /* CBT -- Cursor Backward Tabulation <n> tab stops */
2079 DEFAULT(csiescseq.arg[0], 1);
2080 tputtab(-csiescseq.arg[0]);
2082 case 'd': /* VPA -- Move to <row> */
2083 DEFAULT(csiescseq.arg[0], 1);
2084 tmoveato(term.c.x, csiescseq.arg[0]-1);
2086 case 'h': /* SM -- Set terminal mode */
2087 tsetmode(csiescseq.priv, 1, csiescseq.arg, csiescseq.narg);
2089 case 'm': /* SGR -- Terminal attribute (color) */
2090 tsetattr(csiescseq.arg, csiescseq.narg);
2092 case 'n': /* DSR – Device Status Report (cursor position) */
2093 if (csiescseq.arg[0] == 6) {
2094 len = snprintf(buf, sizeof(buf),"\033[%i;%iR",
2095 term.c.y+1, term.c.x+1);
2099 case 'r': /* DECSTBM -- Set Scrolling Region */
2100 if(csiescseq.priv) {
2103 DEFAULT(csiescseq.arg[0], 1);
2104 DEFAULT(csiescseq.arg[1], term.row);
2105 tsetscroll(csiescseq.arg[0]-1, csiescseq.arg[1]-1);
2109 case 's': /* DECSC -- Save cursor position (ANSI.SYS) */
2110 tcursor(CURSOR_SAVE);
2112 case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */
2113 tcursor(CURSOR_LOAD);
2124 for(i = 0; i < csiescseq.len; i++) {
2125 c = csiescseq.buf[i] & 0xff;
2128 } else if(c == '\n') {
2130 } else if(c == '\r') {
2132 } else if(c == 0x1b) {
2135 printf("(%02x)", c);
2143 memset(&csiescseq, 0, sizeof(csiescseq));
2151 term.esc &= ~(ESC_STR_END|ESC_STR);
2153 narg = strescseq.narg;
2154 par = atoi(strescseq.args[0]);
2156 switch(strescseq.type) {
2157 case ']': /* OSC -- Operating System Command */
2163 xsettitle(strescseq.args[1]);
2165 case 4: /* color set */
2168 p = strescseq.args[2];
2170 case 104: /* color reset, here p = NULL */
2171 j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
2172 if(xsetcolorname(j, p)) {
2173 fprintf(stderr, "erresc: invalid color %s\n", p);
2176 * TODO if defaultbg color is changed, borders
2184 case 'k': /* old title set compatibility */
2185 xsettitle(strescseq.args[0]);
2187 case 'P': /* DCS -- Device Control String */
2188 case '_': /* APC -- Application Program Command */
2189 case '^': /* PM -- Privacy Message */
2193 fprintf(stderr, "erresc: unknown str ");
2199 char *p = strescseq.buf;
2202 strescseq.buf[strescseq.len] = '\0';
2203 while(p && strescseq.narg < STR_ARG_SIZ)
2204 strescseq.args[strescseq.narg++] = strsep(&p, ";");
2212 printf("ESC%c", strescseq.type);
2213 for(i = 0; i < strescseq.len; i++) {
2214 c = strescseq.buf[i] & 0xff;
2217 } else if(isprint(c)) {
2219 } else if(c == '\n') {
2221 } else if(c == '\r') {
2223 } else if(c == 0x1b) {
2226 printf("(%02x)", c);
2234 memset(&strescseq, 0, sizeof(strescseq));
2238 tprinter(char *s, size_t len) {
2239 if(iofd != -1 && xwrite(iofd, s, len) < 0) {
2240 fprintf(stderr, "Error writing in %s:%s\n",
2241 opt_io, strerror(errno));
2248 toggleprinter(const Arg *arg) {
2249 term.mode ^= MODE_PRINT;
2253 printscreen(const Arg *arg) {
2258 printsel(const Arg *arg) {
2266 if((ptr = getsel())) {
2267 tprinter(ptr, strlen(ptr));
2276 bp = &term.line[n][0];
2277 end = &bp[MIN(tlinelen(n), term.col) - 1];
2278 if(bp != end || bp->c[0] != ' ') {
2279 for( ;bp <= end; ++bp)
2280 tprinter(bp->c, utf8len(bp->c));
2289 for(i = 0; i < term.row; ++i)
2298 while(x < term.col && n--)
2299 for(++x; x < term.col && !term.tabs[x]; ++x)
2303 for(--x; x > 0 && !term.tabs[x]; --x)
2306 tmoveto(x, term.c.y);
2310 techo(char *buf, int len) {
2311 for(; len > 0; buf++, len--) {
2314 if(ISCONTROL((uchar) c)) { /* control code */
2319 } else if(c != '\n' && c != '\r' && c != '\t') {
2333 tdeftran(char ascii) {
2334 static char cs[] = "0B";
2335 static int vcs[] = {CS_GRAPHIC0, CS_USA};
2338 if((p = strchr(cs, ascii)) == NULL) {
2339 fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
2341 term.trantbl[term.icharset] = vcs[p - cs];
2346 tstrsequence(uchar c) {
2349 case 0x90: /* DCS -- Device Control String */
2352 case 0x9f: /* APC -- Application Program Command */
2355 case 0x9e: /* PM -- Privacy Message */
2358 case 0x9d: /* OSC -- Operating System Command */
2365 term.esc |= ESC_STR;
2370 tcontrolcode(uchar ascii) {
2371 static char question[UTF_SIZ] = "?";
2378 tmoveto(term.c.x-1, term.c.y);
2381 tmoveto(0, term.c.y);
2386 /* go to first col if the mode is set */
2387 tnewline(IS_SET(MODE_CRLF));
2389 case '\a': /* BEL */
2390 if(term.esc & ESC_STR_END) {
2391 /* backwards compatibility to xterm */
2394 if(!(xw.state & WIN_FOCUSED))
2397 XBell(xw.dpy, bellvolume);
2400 case '\033': /* ESC */
2402 term.esc &= ~(ESC_CSI|ESC_ALTCHARSET|ESC_TEST);
2403 term.esc |= ESC_START;
2405 case '\016': /* SO */
2408 case '\017': /* SI */
2411 case '\032': /* SUB */
2412 tsetchar(question, &term.c.attr, term.c.x, term.c.y);
2413 case '\030': /* CAN */
2416 case '\005': /* ENQ (IGNORED) */
2417 case '\000': /* NUL (IGNORED) */
2418 case '\021': /* XON (IGNORED) */
2419 case '\023': /* XOFF (IGNORED) */
2420 case 0177: /* DEL (IGNORED) */
2422 case 0x84: /* TODO: IND */
2424 case 0x85: /* NEL -- Next line */
2425 tnewline(1); /* always go to first col */
2427 case 0x88: /* HTS -- Horizontal tab stop */
2428 term.tabs[term.c.x] = 1;
2430 case 0x8d: /* TODO: RI */
2431 case 0x8e: /* TODO: SS2 */
2432 case 0x8f: /* TODO: SS3 */
2433 case 0x98: /* TODO: SOS */
2435 case 0x9a: /* DECID -- Identify Terminal */
2436 ttywrite(VT102ID, sizeof(VT102ID) - 1);
2438 case 0x9b: /* TODO: CSI */
2439 case 0x9c: /* TODO: ST */
2441 case 0x90: /* DCS -- Device Control String */
2442 case 0x9f: /* APC -- Application Program Command */
2443 case 0x9e: /* PM -- Privacy Message */
2444 case 0x9d: /* OSC -- Operating System Command */
2445 tstrsequence(ascii);
2448 /* only CAN, SUB, \a and C1 chars interrupt a sequence */
2449 term.esc &= ~(ESC_STR_END|ESC_STR);
2455 static char E[UTF_SIZ] = "E";
2458 if(c == '8') { /* DEC screen alignment test. */
2459 for(x = 0; x < term.col; ++x) {
2460 for(y = 0; y < term.row; ++y)
2461 tsetchar(E, &term.c.attr, x, y);
2467 tputc(char *c, int len) {
2476 unicodep = ascii = *c;
2478 utf8decode(c, &unicodep, UTF_SIZ);
2479 width = wcwidth(unicodep);
2480 control = ISCONTROLC1(unicodep);
2484 if(IS_SET(MODE_PRINT))
2486 control = ISCONTROL(unicodep);
2489 * STR sequence must be checked before anything else
2490 * because it uses all following characters until it
2491 * receives a ESC, a SUB, a ST or any other C1 control
2494 if(term.esc & ESC_STR) {
2496 (ascii == '\a' || ascii == 030 ||
2497 ascii == 032 || ascii == 033 ||
2498 ISCONTROLC1(unicodep))) {
2499 term.esc &= ~(ESC_START|ESC_STR);
2500 term.esc |= ESC_STR_END;
2501 } else if(strescseq.len + len < sizeof(strescseq.buf) - 1) {
2502 memmove(&strescseq.buf[strescseq.len], c, len);
2503 strescseq.len += len;
2507 * Here is a bug in terminals. If the user never sends
2508 * some code to stop the str or esc command, then st
2509 * will stop responding. But this is better than
2510 * silently failing with unknown characters. At least
2511 * then users will report back.
2513 * In the case users ever get fixed, here is the code:
2524 * Actions of control codes must be performed as soon they arrive
2525 * because they can be embedded inside a control sequence, and
2526 * they must not cause conflicts with sequences.
2529 tcontrolcode(ascii);
2531 * control codes are not shown ever
2534 } else if(term.esc & ESC_START) {
2535 if(term.esc & ESC_CSI) {
2536 csiescseq.buf[csiescseq.len++] = ascii;
2537 if(BETWEEN(ascii, 0x40, 0x7E)
2538 || csiescseq.len >= \
2539 sizeof(csiescseq.buf)-1) {
2545 } else if(term.esc & ESC_ALTCHARSET) {
2547 } else if(term.esc & ESC_TEST) {
2552 term.esc |= ESC_CSI;
2555 term.esc |= ESC_TEST;
2557 case 'P': /* DCS -- Device Control String */
2558 case '_': /* APC -- Application Program Command */
2559 case '^': /* PM -- Privacy Message */
2560 case ']': /* OSC -- Operating System Command */
2561 case 'k': /* old title set compatibility */
2562 tstrsequence(ascii);
2564 case '(': /* set primary charset G0 */
2565 case ')': /* set secondary charset G1 */
2566 case '*': /* set tertiary charset G2 */
2567 case '+': /* set quaternary charset G3 */
2568 term.icharset = ascii - '(';
2569 term.esc |= ESC_ALTCHARSET;
2571 case 'D': /* IND -- Linefeed */
2572 if(term.c.y == term.bot) {
2573 tscrollup(term.top, 1);
2575 tmoveto(term.c.x, term.c.y+1);
2578 case 'E': /* NEL -- Next line */
2579 tnewline(1); /* always go to first col */
2581 case 'H': /* HTS -- Horizontal tab stop */
2582 term.tabs[term.c.x] = 1;
2584 case 'M': /* RI -- Reverse index */
2585 if(term.c.y == term.top) {
2586 tscrolldown(term.top, 1);
2588 tmoveto(term.c.x, term.c.y-1);
2591 case 'Z': /* DECID -- Identify Terminal */
2592 ttywrite(VT102ID, sizeof(VT102ID) - 1);
2594 case 'c': /* RIS -- Reset to inital state */
2599 case '=': /* DECPAM -- Application keypad */
2600 term.mode |= MODE_APPKEYPAD;
2602 case '>': /* DECPNM -- Normal keypad */
2603 term.mode &= ~MODE_APPKEYPAD;
2605 case '7': /* DECSC -- Save Cursor */
2606 tcursor(CURSOR_SAVE);
2608 case '8': /* DECRC -- Restore Cursor */
2609 tcursor(CURSOR_LOAD);
2611 case '\\': /* ST -- String Terminator */
2612 if(term.esc & ESC_STR_END)
2616 fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n",
2617 (uchar) ascii, isprint(ascii)? ascii:'.');
2623 * All characters which form part of a sequence are not
2628 if(sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
2631 gp = &term.line[term.c.y][term.c.x];
2632 if(IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
2633 gp->mode |= ATTR_WRAP;
2637 if(IS_SET(MODE_INSERT) && term.c.x+1 < term.col)
2638 memmove(gp+1, gp, (term.col - term.c.x - 1) * sizeof(Glyph));
2640 if(term.c.x+width > term.col)
2643 tsetchar(c, &term.c.attr, term.c.x, term.c.y);
2646 gp->mode |= ATTR_WIDE;
2647 if(term.c.x+1 < term.col) {
2649 gp[1].mode = ATTR_WDUMMY;
2652 if(term.c.x+width < term.col) {
2653 tmoveto(term.c.x+width, term.c.y);
2655 term.c.state |= CURSOR_WRAPNEXT;
2660 tresize(int col, int row) {
2662 int minrow = MIN(row, term.row);
2663 int mincol = MIN(col, term.col);
2664 int slide = term.c.y - row + 1;
2669 if(col < 1 || row < 1) {
2671 "tresize: error resizing to %dx%d\n", col, row);
2675 /* free unneeded rows */
2679 * slide screen to keep cursor where we expect it -
2680 * tscrollup would work here, but we can optimize to
2681 * memmove because we're freeing the earlier lines
2683 for(/* i = 0 */; i < slide; i++) {
2687 memmove(term.line, term.line + slide, row * sizeof(Line));
2688 memmove(term.alt, term.alt + slide, row * sizeof(Line));
2690 for(i += row; i < term.row; i++) {
2695 /* resize to new height */
2696 term.line = xrealloc(term.line, row * sizeof(Line));
2697 term.alt = xrealloc(term.alt, row * sizeof(Line));
2698 term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
2699 term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
2701 /* resize each row to new width, zero-pad if needed */
2702 for(i = 0; i < minrow; i++) {
2703 term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
2704 term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph));
2707 /* allocate any new rows */
2708 for(/* i == minrow */; i < row; i++) {
2709 term.line[i] = xmalloc(col * sizeof(Glyph));
2710 term.alt[i] = xmalloc(col * sizeof(Glyph));
2712 if(col > term.col) {
2713 bp = term.tabs + term.col;
2715 memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
2716 while(--bp > term.tabs && !*bp)
2718 for(bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
2721 /* update terminal size */
2724 /* reset scrolling region */
2725 tsetscroll(0, row-1);
2726 /* make use of the LIMIT in tmoveto */
2727 tmoveto(term.c.x, term.c.y);
2728 /* Clearing both screens (it makes dirty all lines) */
2732 if(mincol < col && 0 < minrow) {
2733 tclearregion(mincol, 0, col - 1, minrow - 1);
2735 if(0 < col && minrow < row) {
2736 tclearregion(0, minrow, col - 1, row - 1);
2739 tcursor(CURSOR_LOAD);
2740 } while(orig != term.line);
2745 xresize(int col, int row) {
2746 xw.tw = MAX(1, col * xw.cw);
2747 xw.th = MAX(1, row * xw.ch);
2749 XFreePixmap(xw.dpy, xw.buf);
2750 xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
2751 DefaultDepth(xw.dpy, xw.scr));
2752 XftDrawChange(xw.draw, xw.buf);
2753 xclear(0, 0, xw.w, xw.h);
2756 static inline ushort
2757 sixd_to_16bit(int x) {
2758 return x == 0 ? 0 : 0x3737 + 0x2828 * x;
2764 XRenderColor color = { .alpha = 0xffff };
2769 for (cp = dc.col; cp < dc.col + LEN(dc.col); ++cp)
2770 XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
2773 /* load colors [0-15] and [256-LEN(colorname)] (config.h) */
2774 for(i = 0; i < LEN(colorname); i++) {
2777 if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, colorname[i], &dc.col[i])) {
2778 die("Could not allocate color '%s'\n", colorname[i]);
2782 /* load colors [16-231] ; same colors as xterm */
2783 for(i = 16; i < 6*6*6+16; i++) {
2784 color.red = sixd_to_16bit( ((i-16)/36)%6 );
2785 color.green = sixd_to_16bit( ((i-16)/6) %6 );
2786 color.blue = sixd_to_16bit( ((i-16)/1) %6 );
2787 if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i]))
2788 die("Could not allocate color %d\n", i);
2791 /* load colors [232-255] ; grayscale */
2792 for(; i < 256; i++) {
2793 color.red = color.green = color.blue = 0x0808 + 0x0a0a * (i-(6*6*6+16));
2794 if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i]))
2795 die("Could not allocate color %d\n", i);
2801 xsetcolorname(int x, const char *name) {
2802 XRenderColor color = { .alpha = 0xffff };
2805 if(!BETWEEN(x, 0, LEN(colorname)))
2809 if(BETWEEN(x, 16, 16 + 215)) { /* 256 color */
2810 color.red = sixd_to_16bit( ((x-16)/36)%6 );
2811 color.green = sixd_to_16bit( ((x-16)/6) %6 );
2812 color.blue = sixd_to_16bit( ((x-16)/1) %6 );
2813 if(!XftColorAllocValue(xw.dpy, xw.vis,
2814 xw.cmap, &color, &ncolor)) {
2818 XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
2821 } else if(BETWEEN(x, 16 + 216, 255)) { /* greyscale */
2822 color.red = color.green = color.blue = \
2823 0x0808 + 0x0a0a * (x - (16 + 216));
2824 if(!XftColorAllocValue(xw.dpy, xw.vis,
2825 xw.cmap, &color, &ncolor)) {
2829 XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
2832 } else { /* system colors */
2833 name = colorname[x];
2836 if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, &ncolor))
2839 XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
2845 xtermclear(int col1, int row1, int col2, int row2) {
2846 XftDrawRect(xw.draw,
2847 &dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
2848 borderpx + col1 * xw.cw,
2849 borderpx + row1 * xw.ch,
2850 (col2-col1+1) * xw.cw,
2851 (row2-row1+1) * xw.ch);
2855 * Absolute coordinates.
2858 xclear(int x1, int y1, int x2, int y2) {
2859 XftDrawRect(xw.draw,
2860 &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
2861 x1, y1, x2-x1, y2-y1);
2866 XClassHint class = {opt_class ? opt_class : termname, termname};
2867 XWMHints wm = {.flags = InputHint, .input = 1};
2868 XSizeHints *sizeh = NULL;
2870 sizeh = XAllocSizeHints();
2872 sizeh->flags = PSize | PResizeInc | PBaseSize;
2873 sizeh->height = xw.h;
2874 sizeh->width = xw.w;
2875 sizeh->height_inc = xw.ch;
2876 sizeh->width_inc = xw.cw;
2877 sizeh->base_height = 2 * borderpx;
2878 sizeh->base_width = 2 * borderpx;
2879 if(xw.isfixed == True) {
2880 sizeh->flags |= PMaxSize | PMinSize;
2881 sizeh->min_width = sizeh->max_width = xw.w;
2882 sizeh->min_height = sizeh->max_height = xw.h;
2884 if(xw.gm & (XValue|YValue)) {
2885 sizeh->flags |= USPosition | PWinGravity;
2888 sizeh->win_gravity = xgeommasktogravity(xw.gm);
2891 XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm,
2897 xgeommasktogravity(int mask) {
2898 switch(mask & (XNegative|YNegative)) {
2900 return NorthWestGravity;
2902 return NorthEastGravity;
2904 return SouthWestGravity;
2906 return SouthEastGravity;
2910 xloadfont(Font *f, FcPattern *pattern) {
2914 match = FcFontMatch(NULL, pattern, &result);
2918 if(!(f->match = XftFontOpenPattern(xw.dpy, match))) {
2919 FcPatternDestroy(match);
2924 f->pattern = FcPatternDuplicate(pattern);
2926 f->ascent = f->match->ascent;
2927 f->descent = f->match->descent;
2929 f->rbearing = f->match->max_advance_width;
2931 f->height = f->ascent + f->descent;
2932 f->width = f->lbearing + f->rbearing;
2938 xloadfonts(char *fontstr, double fontsize) {
2940 FcResult r_sz, r_psz;
2944 if(fontstr[0] == '-') {
2945 pattern = XftXlfdParse(fontstr, False, False);
2947 pattern = FcNameParse((FcChar8 *)fontstr);
2951 die("st: can't open font %s\n", fontstr);
2954 FcPatternDel(pattern, FC_PIXEL_SIZE);
2955 FcPatternDel(pattern, FC_SIZE);
2956 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
2957 usedfontsize = fontsize;
2959 r_psz = FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval);
2960 r_sz = FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval);
2961 if(r_psz == FcResultMatch) {
2962 usedfontsize = fontval;
2963 } else if(r_sz == FcResultMatch) {
2967 * Default font size is 12, if none given. This is to
2968 * have a known usedfontsize value.
2970 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
2975 FcConfigSubstitute(0, pattern, FcMatchPattern);
2976 FcDefaultSubstitute(pattern);
2978 if(xloadfont(&dc.font, pattern))
2979 die("st: can't open font %s\n", fontstr);
2981 if(usedfontsize < 0) {
2982 FcPatternGetDouble(dc.font.match->pattern,
2983 FC_PIXEL_SIZE, 0, &fontval);
2984 usedfontsize = fontval;
2987 /* Setting character width and height. */
2988 xw.cw = ceilf(dc.font.width * cwscale);
2989 xw.ch = ceilf(dc.font.height * chscale);
2991 FcPatternDel(pattern, FC_SLANT);
2992 FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
2993 if(xloadfont(&dc.ifont, pattern))
2994 die("st: can't open font %s\n", fontstr);
2996 FcPatternDel(pattern, FC_WEIGHT);
2997 FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
2998 if(xloadfont(&dc.ibfont, pattern))
2999 die("st: can't open font %s\n", fontstr);
3001 FcPatternDel(pattern, FC_SLANT);
3002 FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
3003 if(xloadfont(&dc.bfont, pattern))
3004 die("st: can't open font %s\n", fontstr);
3006 FcPatternDestroy(pattern);
3010 xloadfontset(Font *f) {
3013 if(!(f->set = FcFontSort(0, f->pattern, FcTrue, 0, &result)))
3019 xunloadfont(Font *f) {
3020 XftFontClose(xw.dpy, f->match);
3021 FcPatternDestroy(f->pattern);
3023 FcFontSetDestroy(f->set);
3027 xunloadfonts(void) {
3028 /* Free the loaded fonts in the font cache. */
3030 XftFontClose(xw.dpy, frc[--frclen].font);
3032 xunloadfont(&dc.font);
3033 xunloadfont(&dc.bfont);
3034 xunloadfont(&dc.ifont);
3035 xunloadfont(&dc.ibfont);
3039 xzoom(const Arg *arg) {
3041 xloadfonts(usedfont, usedfontsize + arg->i);
3052 pid_t thispid = getpid();
3054 if(!(xw.dpy = XOpenDisplay(NULL)))
3055 die("Can't open display\n");
3056 xw.scr = XDefaultScreen(xw.dpy);
3057 xw.vis = XDefaultVisual(xw.dpy, xw.scr);
3061 die("Could not init fontconfig.\n");
3063 usedfont = (opt_font == NULL)? font : opt_font;
3064 xloadfonts(usedfont, 0);
3067 xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
3070 /* adjust fixed window geometry */
3071 xw.w = 2 * borderpx + term.col * xw.cw;
3072 xw.h = 2 * borderpx + term.row * xw.ch;
3073 if(xw.gm & XNegative)
3074 xw.l += DisplayWidth(xw.dpy, xw.scr) - xw.w - 2;
3075 if(xw.gm & YNegative)
3076 xw.t += DisplayWidth(xw.dpy, xw.scr) - xw.h - 2;
3079 xw.attrs.background_pixel = dc.col[defaultbg].pixel;
3080 xw.attrs.border_pixel = dc.col[defaultbg].pixel;
3081 xw.attrs.bit_gravity = NorthWestGravity;
3082 xw.attrs.event_mask = FocusChangeMask | KeyPressMask
3083 | ExposureMask | VisibilityChangeMask | StructureNotifyMask
3084 | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
3085 xw.attrs.colormap = xw.cmap;
3087 parent = opt_embed ? strtol(opt_embed, NULL, 0) : \
3088 XRootWindow(xw.dpy, xw.scr);
3089 xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
3090 xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
3091 xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
3092 | CWEventMask | CWColormap, &xw.attrs);
3094 memset(&gcvalues, 0, sizeof(gcvalues));
3095 gcvalues.graphics_exposures = False;
3096 dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
3098 xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
3099 DefaultDepth(xw.dpy, xw.scr));
3100 XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
3101 XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
3103 /* Xft rendering context */
3104 xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
3107 if((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
3108 XSetLocaleModifiers("@im=local");
3109 if((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
3110 XSetLocaleModifiers("@im=");
3111 if((xw.xim = XOpenIM(xw.dpy,
3112 NULL, NULL, NULL)) == NULL) {
3113 die("XOpenIM failed. Could not open input"
3118 xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
3119 | XIMStatusNothing, XNClientWindow, xw.win,
3120 XNFocusWindow, xw.win, NULL);
3122 die("XCreateIC failed. Could not obtain input method.\n");
3124 /* white cursor, black outline */
3125 cursor = XCreateFontCursor(xw.dpy, XC_xterm);
3126 XDefineCursor(xw.dpy, xw.win, cursor);
3127 XRecolorCursor(xw.dpy, cursor,
3128 &(XColor){.red = 0xffff, .green = 0xffff, .blue = 0xffff},
3129 &(XColor){.red = 0x0000, .green = 0x0000, .blue = 0x0000});
3131 xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
3132 xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
3133 xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
3134 XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
3136 xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
3137 XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
3138 PropModeReplace, (uchar *)&thispid, 1);
3141 XMapWindow(xw.dpy, xw.win);
3143 XSync(xw.dpy, False);
3147 xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
3148 int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
3149 width = charlen * xw.cw, xp, i;
3151 int u8fl, u8fblen, u8cblen, doesexist;
3154 Font *font = &dc.font;
3156 FcPattern *fcpattern, *fontpattern;
3157 FcFontSet *fcsets[] = { NULL };
3158 FcCharSet *fccharset;
3159 Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
3160 XRenderColor colfg, colbg;
3164 frcflags = FRC_NORMAL;
3166 if(base.mode & ATTR_ITALIC) {
3167 if(base.fg == defaultfg)
3168 base.fg = defaultitalic;
3170 frcflags = FRC_ITALIC;
3171 } else if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD)) {
3172 if(base.fg == defaultfg)
3173 base.fg = defaultitalic;
3175 frcflags = FRC_ITALICBOLD;
3176 } else if(base.mode & ATTR_UNDERLINE) {
3177 if(base.fg == defaultfg)
3178 base.fg = defaultunderline;
3181 if(IS_TRUECOL(base.fg)) {
3182 colfg.alpha = 0xffff;
3183 colfg.red = TRUERED(base.fg);
3184 colfg.green = TRUEGREEN(base.fg);
3185 colfg.blue = TRUEBLUE(base.fg);
3186 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
3189 fg = &dc.col[base.fg];
3192 if(IS_TRUECOL(base.bg)) {
3193 colbg.alpha = 0xffff;
3194 colbg.green = TRUEGREEN(base.bg);
3195 colbg.red = TRUERED(base.bg);
3196 colbg.blue = TRUEBLUE(base.bg);
3197 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
3200 bg = &dc.col[base.bg];
3203 if(base.mode & ATTR_BOLD) {
3205 * change basic system colors [0-7]
3206 * to bright system colors [8-15]
3208 if(BETWEEN(base.fg, 0, 7) && !(base.mode & ATTR_FAINT))
3209 fg = &dc.col[base.fg + 8];
3211 if(base.mode & ATTR_ITALIC) {
3213 frcflags = FRC_ITALICBOLD;
3216 frcflags = FRC_BOLD;
3220 if(IS_SET(MODE_REVERSE)) {
3221 if(fg == &dc.col[defaultfg]) {
3222 fg = &dc.col[defaultbg];
3224 colfg.red = ~fg->color.red;
3225 colfg.green = ~fg->color.green;
3226 colfg.blue = ~fg->color.blue;
3227 colfg.alpha = fg->color.alpha;
3228 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
3233 if(bg == &dc.col[defaultbg]) {
3234 bg = &dc.col[defaultfg];
3236 colbg.red = ~bg->color.red;
3237 colbg.green = ~bg->color.green;
3238 colbg.blue = ~bg->color.blue;
3239 colbg.alpha = bg->color.alpha;
3240 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
3246 if(base.mode & ATTR_REVERSE) {
3252 if(base.mode & ATTR_FAINT && !(base.mode & ATTR_BOLD)) {
3253 colfg.red = fg->color.red / 2;
3254 colfg.green = fg->color.green / 2;
3255 colfg.blue = fg->color.blue / 2;
3256 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
3260 if(base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
3263 if(base.mode & ATTR_INVISIBLE)
3266 /* Intelligent cleaning up of the borders. */
3268 xclear(0, (y == 0)? 0 : winy, borderpx,
3269 winy + xw.ch + ((y >= term.row-1)? xw.h : 0));
3271 if(x + charlen >= term.col) {
3272 xclear(winx + width, (y == 0)? 0 : winy, xw.w,
3273 ((y >= term.row-1)? xw.h : (winy + xw.ch)));
3276 xclear(winx, 0, winx + width, borderpx);
3278 xclear(winx, winy + xw.ch, winx + width, xw.h);
3280 /* Clean up the region we want to draw to. */
3281 XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
3283 /* Set the clip region because Xft is sometimes dirty. */
3288 XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
3290 for(xp = winx; bytelen > 0;) {
3292 * Search for the range in the to be printed string of glyphs
3293 * that are in the main font. Then print that range. If
3294 * some glyph is found that is not in the font, do the
3300 oneatatime = font->width != xw.cw;
3303 u8cblen = utf8decode(s, &unicodep, UTF_SIZ);
3307 doesexist = XftCharExists(xw.dpy, font->match, unicodep);
3311 if(!oneatatime && bytelen > 0)
3316 XftDrawStringUtf8(xw.draw, fg,
3318 winy + font->ascent,
3331 /* Search the font cache. */
3332 for(i = 0; i < frclen; i++) {
3333 if(XftCharExists(xw.dpy, frc[i].font, unicodep)
3334 && frc[i].flags == frcflags) {
3339 /* Nothing was found. */
3343 fcsets[0] = font->set;
3346 * Nothing was found in the cache. Now use
3347 * some dozen of Fontconfig calls to get the
3348 * font for one single character.
3350 * Xft and fontconfig are design failures.
3352 fcpattern = FcPatternDuplicate(font->pattern);
3353 fccharset = FcCharSetCreate();
3355 FcCharSetAddChar(fccharset, unicodep);
3356 FcPatternAddCharSet(fcpattern, FC_CHARSET,
3358 FcPatternAddBool(fcpattern, FC_SCALABLE,
3361 FcConfigSubstitute(0, fcpattern,
3363 FcDefaultSubstitute(fcpattern);
3365 fontpattern = FcFontSetMatch(0, fcsets,
3366 FcTrue, fcpattern, &fcres);
3369 * Overwrite or create the new cache entry.
3371 if(frclen >= LEN(frc)) {
3372 frclen = LEN(frc) - 1;
3373 XftFontClose(xw.dpy, frc[frclen].font);
3376 frc[frclen].font = XftFontOpenPattern(xw.dpy,
3378 frc[frclen].flags = frcflags;
3383 FcPatternDestroy(fcpattern);
3384 FcCharSetDestroy(fccharset);
3387 XftDrawStringUtf8(xw.draw, fg, frc[i].font,
3388 xp, winy + frc[i].font->ascent,
3389 (FcChar8 *)u8c, u8cblen);
3391 xp += xw.cw * wcwidth(unicodep);
3395 * This is how the loop above actually should be. Why does the
3396 * application have to care about font details?
3398 * I have to repeat: Xft and Fontconfig are design failures.
3401 XftDrawStringUtf8(xw.draw, fg, font->set, winx,
3402 winy + font->ascent, (FcChar8 *)s, bytelen);
3405 if(base.mode & ATTR_UNDERLINE) {
3406 XftDrawRect(xw.draw, fg, winx, winy + font->ascent + 1,
3410 if(base.mode & ATTR_STRUCK) {
3411 XftDrawRect(xw.draw, fg, winx, winy + 2 * font->ascent / 3,
3415 /* Reset clip to none. */
3416 XftDrawSetClip(xw.draw, 0);
3421 static int oldx = 0, oldy = 0;
3422 int sl, width, curx;
3423 Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs};
3425 LIMIT(oldx, 0, term.col-1);
3426 LIMIT(oldy, 0, term.row-1);
3430 /* adjust position if in dummy */
3431 if(term.line[oldy][oldx].mode & ATTR_WDUMMY)
3433 if(term.line[term.c.y][curx].mode & ATTR_WDUMMY)
3436 memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ);
3438 /* remove the old cursor */
3439 sl = utf8len(term.line[oldy][oldx].c);
3440 width = (term.line[oldy][oldx].mode & ATTR_WIDE)? 2 : 1;
3441 xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx,
3444 /* draw the new one */
3445 if(!(IS_SET(MODE_HIDE))) {
3446 if(xw.state & WIN_FOCUSED) {
3447 if(IS_SET(MODE_REVERSE)) {
3448 g.mode |= ATTR_REVERSE;
3454 width = (term.line[term.c.y][curx].mode & ATTR_WIDE)\
3456 xdraws(g.c, g, term.c.x, term.c.y, width, sl);
3458 XftDrawRect(xw.draw, &dc.col[defaultcs],
3459 borderpx + curx * xw.cw,
3460 borderpx + term.c.y * xw.ch,
3462 XftDrawRect(xw.draw, &dc.col[defaultcs],
3463 borderpx + curx * xw.cw,
3464 borderpx + term.c.y * xw.ch,
3466 XftDrawRect(xw.draw, &dc.col[defaultcs],
3467 borderpx + (curx + 1) * xw.cw - 1,
3468 borderpx + term.c.y * xw.ch,
3470 XftDrawRect(xw.draw, &dc.col[defaultcs],
3471 borderpx + curx * xw.cw,
3472 borderpx + (term.c.y + 1) * xw.ch - 1,
3475 oldx = curx, oldy = term.c.y;
3481 xsettitle(char *p) {
3484 Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
3486 XSetWMName(xw.dpy, xw.win, &prop);
3487 XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
3493 xsettitle(opt_title ? opt_title : "st");
3497 redraw(int timeout) {
3498 struct timespec tv = {0, timeout * 1000};
3504 nanosleep(&tv, NULL);
3505 XSync(xw.dpy, False); /* necessary for a good tput flash */
3511 drawregion(0, 0, term.col, term.row);
3512 XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.w,
3514 XSetForeground(xw.dpy, dc.gc,
3515 dc.col[IS_SET(MODE_REVERSE)?
3516 defaultfg : defaultbg].pixel);
3520 drawregion(int x1, int y1, int x2, int y2) {
3521 int ic, ib, x, y, ox, sl;
3523 char buf[DRAW_BUF_SIZ];
3524 bool ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
3527 if(!(xw.state & WIN_VISIBLE))
3530 for(y = y1; y < y2; y++) {
3534 xtermclear(0, y, term.col, y);
3536 base = term.line[y][0];
3538 for(x = x1; x < x2; x++) {
3539 new = term.line[y][x];
3540 if(new.mode == ATTR_WDUMMY)
3542 if(ena_sel && selected(x, y))
3543 new.mode ^= ATTR_REVERSE;
3544 if(ib > 0 && (ATTRCMP(base, new)
3545 || ib >= DRAW_BUF_SIZ-UTF_SIZ)) {
3546 xdraws(buf, base, ox, y, ic, ib);
3554 sl = utf8decode(new.c, &unicodep, UTF_SIZ);
3555 memcpy(buf+ib, new.c, sl);
3557 ic += (new.mode & ATTR_WIDE)? 2 : 1;
3560 xdraws(buf, base, ox, y, ic, ib);
3566 expose(XEvent *ev) {
3567 XExposeEvent *e = &ev->xexpose;
3569 if(xw.state & WIN_REDRAW) {
3571 xw.state &= ~WIN_REDRAW;
3577 visibility(XEvent *ev) {
3578 XVisibilityEvent *e = &ev->xvisibility;
3580 if(e->state == VisibilityFullyObscured) {
3581 xw.state &= ~WIN_VISIBLE;
3582 } else if(!(xw.state & WIN_VISIBLE)) {
3583 /* need a full redraw for next Expose, not just a buf copy */
3584 xw.state |= WIN_VISIBLE | WIN_REDRAW;
3590 xw.state &= ~WIN_VISIBLE;
3594 xsetpointermotion(int set) {
3595 MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
3596 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
3600 xseturgency(int add) {
3601 XWMHints *h = XGetWMHints(xw.dpy, xw.win);
3603 MODBIT(h->flags, add, XUrgencyHint);
3604 XSetWMHints(xw.dpy, xw.win, h);
3610 XFocusChangeEvent *e = &ev->xfocus;
3612 if(e->mode == NotifyGrab)
3615 if(ev->type == FocusIn) {
3616 XSetICFocus(xw.xic);
3617 xw.state |= WIN_FOCUSED;
3619 if(IS_SET(MODE_FOCUS))
3620 ttywrite("\033[I", 3);
3622 XUnsetICFocus(xw.xic);
3623 xw.state &= ~WIN_FOCUSED;
3624 if(IS_SET(MODE_FOCUS))
3625 ttywrite("\033[O", 3);
3630 match(uint mask, uint state) {
3631 return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
3635 numlock(const Arg *dummy) {
3640 kmap(KeySym k, uint state) {
3644 /* Check for mapped keys out of X11 function keys. */
3645 for(i = 0; i < LEN(mappedkeys); i++) {
3646 if(mappedkeys[i] == k)
3649 if(i == LEN(mappedkeys)) {
3650 if((k & 0xFFFF) < 0xFD00)
3654 for(kp = key; kp < key + LEN(key); kp++) {
3658 if(!match(kp->mask, state))
3661 if(IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
3663 if(term.numlock && kp->appkey == 2)
3666 if(IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
3669 if(IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0)
3679 kpress(XEvent *ev) {
3680 XKeyEvent *e = &ev->xkey;
3682 char buf[32], *customkey;
3688 if(IS_SET(MODE_KBDLOCK))
3691 len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);
3693 for(bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
3694 if(ksym == bp->keysym && match(bp->mod, e->state)) {
3695 bp->func(&(bp->arg));
3700 /* 2. custom keys from config.h */
3701 if((customkey = kmap(ksym, e->state))) {
3702 ttysend(customkey, strlen(customkey));
3706 /* 3. composed string from input method */
3709 if(len == 1 && e->state & Mod1Mask) {
3710 if(IS_SET(MODE_8BIT)) {
3713 len = utf8encode(c, buf, UTF_SIZ);
3726 cmessage(XEvent *e) {
3729 * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
3731 if(e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
3732 if(e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
3733 xw.state |= WIN_FOCUSED;
3735 } else if(e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
3736 xw.state &= ~WIN_FOCUSED;
3738 } else if(e->xclient.data.l[0] == xw.wmdeletewin) {
3739 /* Send SIGHUP to shell */
3746 cresize(int width, int height) {
3754 col = (xw.w - 2 * borderpx) / xw.cw;
3755 row = (xw.h - 2 * borderpx) / xw.ch;
3764 if(e->xconfigure.width == xw.w && e->xconfigure.height == xw.h)
3767 cresize(e->xconfigure.width, e->xconfigure.height);
3773 int w = xw.w, h = xw.h;
3775 int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
3776 struct timespec drawtimeout, *tv = NULL, now, last, lastblink;
3779 /* Waiting for window mapping */
3781 XNextEvent(xw.dpy, &ev);
3782 if(XFilterEvent(&ev, None))
3784 if(ev.type == ConfigureNotify) {
3785 w = ev.xconfigure.width;
3786 h = ev.xconfigure.height;
3787 } else if(ev.type == MapNotify) {
3795 clock_gettime(CLOCK_MONOTONIC, &last);
3798 for(xev = actionfps;;) {
3800 FD_SET(cmdfd, &rfd);
3803 if(pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
3806 die("select failed: %s\n", strerror(errno));
3808 if(FD_ISSET(cmdfd, &rfd)) {
3811 blinkset = tattrset(ATTR_BLINK);
3813 MODBIT(term.mode, 0, MODE_BLINK);
3817 if(FD_ISSET(xfd, &rfd))
3820 clock_gettime(CLOCK_MONOTONIC, &now);
3821 drawtimeout.tv_sec = 0;
3822 drawtimeout.tv_nsec = (1000/xfps) * 1E6;
3826 if(blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
3827 tsetdirtattr(ATTR_BLINK);
3828 term.mode ^= MODE_BLINK;
3832 deltatime = TIMEDIFF(now, last);
3833 if(deltatime > (xev? (1000/xfps) : (1000/actionfps))
3840 while(XPending(xw.dpy)) {
3841 XNextEvent(xw.dpy, &ev);
3842 if(XFilterEvent(&ev, None))
3844 if(handler[ev.type])
3845 (handler[ev.type])(&ev);
3851 if(xev && !FD_ISSET(xfd, &rfd))
3853 if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
3855 if(TIMEDIFF(now, lastblink) \
3857 drawtimeout.tv_nsec = 1000;
3859 drawtimeout.tv_nsec = (1E6 * \
3874 die("%s " VERSION " (c) 2010-2014 st engineers\n" \
3875 "usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]" \
3876 " [-t title] [-w windowid] [-e command ...]\n", argv0);
3880 main(int argc, char *argv[]) {
3882 uint cols = 80, rows = 24;
3889 allowaltscreen = false;
3892 opt_class = EARGF(usage());
3895 /* eat all remaining arguments */
3898 if(argv[1] != NULL && opt_title == NULL) {
3899 titles = xstrdup(argv[1]);
3900 opt_title = basename(titles);
3905 opt_font = EARGF(usage());
3908 xw.gm = XParseGeometry(EARGF(usage()),
3909 &xw.l, &xw.t, &cols, &rows);
3915 opt_io = EARGF(usage());
3918 opt_title = EARGF(usage());
3921 opt_embed = EARGF(usage());
3929 setlocale(LC_CTYPE, "");
3930 XSetLocaleModifiers("");
3931 tnew(cols? cols : 1, rows? rows : 1);