1 /* See LICENSE for license 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 <X11/XKBlib.h>
31 #include <fontconfig/fontconfig.h>
43 #elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
45 #elif defined(__FreeBSD__) || defined(__DragonFly__)
51 #define XEMBED_FOCUS_IN 4
52 #define XEMBED_FOCUS_OUT 5
55 #define UTF_INVALID 0xFFFD
57 #define ESC_BUF_SIZ (128*UTF_SIZ)
58 #define ESC_ARG_SIZ 16
59 #define STR_BUF_SIZ ESC_BUF_SIZ
60 #define STR_ARG_SIZ ESC_ARG_SIZ
61 #define DRAW_BUF_SIZ 20*1024
62 #define XK_ANY_MOD UINT_MAX
64 #define XK_SWITCH_MOD (1<<13)
67 #define MIN(a, b) ((a) < (b) ? (a) : (b))
68 #define MAX(a, b) ((a) < (b) ? (b) : (a))
69 #define LEN(a) (sizeof(a) / sizeof(a)[0])
70 #define DEFAULT(a, b) (a) = (a) ? (a) : (b)
71 #define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
72 #define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177')
73 #define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
74 #define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
75 #define ISDELIM(u) (BETWEEN(u, 0, 127) && strchr(worddelimiters, u) != NULL)
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 enum glyph_attribute {
94 ATTR_UNDERLINE = 1 << 3,
96 ATTR_REVERSE = 1 << 5,
97 ATTR_INVISIBLE = 1 << 6,
101 ATTR_WDUMMY = 1 << 10,
104 enum cursor_movement {
117 MODE_INSERT = 1 << 1,
118 MODE_APPKEYPAD = 1 << 2,
119 MODE_ALTSCREEN = 1 << 3,
121 MODE_MOUSEBTN = 1 << 5,
122 MODE_MOUSEMOTION = 1 << 6,
123 MODE_REVERSE = 1 << 7,
124 MODE_KBDLOCK = 1 << 8,
127 MODE_APPCURSOR = 1 << 11,
128 MODE_MOUSESGR = 1 << 12,
130 MODE_BLINK = 1 << 14,
131 MODE_FBLINK = 1 << 15,
132 MODE_FOCUS = 1 << 16,
133 MODE_MOUSEX10 = 1 << 17,
134 MODE_MOUSEMANY = 1 << 18,
135 MODE_BRCKTPASTE = 1 << 19,
136 MODE_PRINT = 1 << 20,
137 MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
154 ESC_STR = 4, /* DCS, OSC, PM, APC */
156 ESC_STR_END = 16, /* a final string was encountered */
157 ESC_TEST = 32, /* Enter in test mode */
165 enum selection_type {
170 enum selection_snap {
175 typedef unsigned char uchar;
176 typedef unsigned int uint;
177 typedef unsigned long ulong;
178 typedef unsigned short ushort;
180 typedef XftDraw *Draw;
181 typedef XftColor Color;
184 long u; /* character code */
185 ushort mode; /* attribute flags */
186 uint32_t fg; /* foreground */
187 uint32_t bg; /* background */
193 Glyph attr; /* current char attributes */
199 /* CSI Escape sequence structs */
200 /* ESC '[' [[ [<priv>] <arg> [;]] <mode> [<mode>]] */
202 char buf[ESC_BUF_SIZ]; /* raw string */
203 int len; /* raw string length */
205 int arg[ESC_ARG_SIZ];
206 int narg; /* nb of args */
210 /* STR Escape sequence structs */
211 /* ESC type [[ [<priv>] <arg> [;]] <mode>] ESC '\' */
213 char type; /* ESC type ... */
214 char buf[STR_BUF_SIZ]; /* raw string */
215 int len; /* raw string length */
216 char *args[STR_ARG_SIZ];
217 int narg; /* nb of args */
220 /* Internal representation of the screen */
222 int row; /* nb row */
223 int col; /* nb col */
224 Line *line; /* screen */
225 Line *alt; /* alternate screen */
226 bool *dirty; /* dirtyness of lines */
227 TCursor c; /* cursor */
228 int top; /* top scroll limit */
229 int bot; /* bottom scroll limit */
230 int mode; /* terminal mode flags */
231 int esc; /* escape state flags */
232 char trantbl[4]; /* charset table translation */
233 int charset; /* current charset */
234 int icharset; /* selected charset for sequence */
235 bool numlock; /* lock numbers in keyboard */
239 /* Purely graphic info */
245 Atom xembed, wmdeletewin, netwmname, netwmpid;
250 XSetWindowAttributes attrs;
252 bool isfixed; /* is fixed geometry? */
253 int l, t; /* left and top offset */
254 int gm; /* geometry mask */
255 int tw, th; /* tty width and height */
256 int w, h; /* window width and height */
257 int ch; /* char height */
258 int cw; /* char width */
259 char state; /* focus, redraw, visible */
260 int cursor; /* cursor style */
273 /* three valued logic variables: 0 indifferent, 1 on, -1 off */
274 signed char appkey; /* application keypad */
275 signed char appcursor; /* application cursor */
276 signed char crlf; /* crlf mode */
284 * Selection variables:
285 * nb – normalized coordinates of the beginning of the selection
286 * ne – normalized coordinates of the end of the selection
287 * ob – original coordinates of the beginning of the selection
288 * oe – original coordinates of the end of the selection
294 char *primary, *clipboard;
297 struct timespec tclick1;
298 struct timespec tclick2;
311 void (*func)(const Arg *);
315 /* function definitions used in config.h */
316 static void clipcopy(const Arg *);
317 static void clippaste(const Arg *);
318 static void numlock(const Arg *);
319 static void selpaste(const Arg *);
320 static void xzoom(const Arg *);
321 static void xzoomabs(const Arg *);
322 static void xzoomreset(const Arg *);
323 static void printsel(const Arg *);
324 static void printscreen(const Arg *) ;
325 static void toggleprinter(const Arg *);
327 /* Config.h for applying patches and the configuration. */
343 /* Drawing Context */
345 Color col[MAX(LEN(colorname), 256)];
346 Font font, bfont, ifont, ibfont;
350 static void die(const char *, ...);
351 static void draw(void);
352 static void redraw(void);
353 static void drawregion(int, int, int, int);
354 static void execsh(void);
355 static void stty(void);
356 static void sigchld(int);
357 static void run(void);
359 static void csidump(void);
360 static void csihandle(void);
361 static void csiparse(void);
362 static void csireset(void);
363 static int eschandle(uchar);
364 static void strdump(void);
365 static void strhandle(void);
366 static void strparse(void);
367 static void strreset(void);
369 static int tattrset(int);
370 static void tprinter(char *, size_t);
371 static void tdumpsel(void);
372 static void tdumpline(int);
373 static void tdump(void);
374 static void tclearregion(int, int, int, int);
375 static void tcursor(int);
376 static void tdeletechar(int);
377 static void tdeleteline(int);
378 static void tinsertblank(int);
379 static void tinsertblankline(int);
380 static int tlinelen(int);
381 static void tmoveto(int, int);
382 static void tmoveato(int, int);
383 static void tnew(int, int);
384 static void tnewline(int);
385 static void tputtab(int);
386 static void tputc(char *, int);
387 static void treset(void);
388 static void tresize(int, int);
389 static void tscrollup(int, int);
390 static void tscrolldown(int, int);
391 static void tsetattr(int *, int);
392 static void tsetchar(char *, Glyph *, int, int);
393 static void tsetscroll(int, int);
394 static void tswapscreen(void);
395 static void tsetdirt(int, int);
396 static void tsetdirtattr(int);
397 static void tsetmode(bool, bool, int *, int);
398 static void tfulldirt(void);
399 static void techo(char *, int);
400 static void tcontrolcode(uchar );
401 static void tdectest(char );
402 static int32_t tdefcolor(int *, int *, int);
403 static void tdeftran(char);
404 static inline bool match(uint, uint);
405 static void ttynew(void);
406 static void ttyread(void);
407 static void ttyresize(void);
408 static void ttysend(char *, size_t);
409 static void ttywrite(const char *, size_t);
410 static void tstrsequence(uchar);
412 static inline ushort sixd_to_16bit(int);
413 static void xdraws(char *, Glyph, int, int, int, int);
414 static void xdrawglyph(Glyph, int, int);
415 static void xhints(void);
416 static void xclear(int, int, int, int);
417 static void xdrawcursor(void);
418 static void xinit(void);
419 static void xloadcols(void);
420 static int xsetcolorname(int, const char *);
421 static int xgeommasktogravity(int);
422 static int xloadfont(Font *, FcPattern *);
423 static void xloadfonts(char *, double);
424 static void xsettitle(char *);
425 static void xresettitle(void);
426 static void xsetpointermotion(int);
427 static void xseturgency(int);
428 static void xsetsel(char *, Time);
429 static void xtermclear(int, int, int, int);
430 static void xunloadfont(Font *);
431 static void xunloadfonts(void);
432 static void xresize(int, int);
434 static void expose(XEvent *);
435 static void visibility(XEvent *);
436 static void unmap(XEvent *);
437 static char *kmap(KeySym, uint);
438 static void kpress(XEvent *);
439 static void cmessage(XEvent *);
440 static void cresize(int, int);
441 static void resize(XEvent *);
442 static void focus(XEvent *);
443 static void brelease(XEvent *);
444 static void bpress(XEvent *);
445 static void bmotion(XEvent *);
446 static void selnotify(XEvent *);
447 static void selclear(XEvent *);
448 static void selrequest(XEvent *);
450 static void selinit(void);
451 static void selnormalize(void);
452 static inline bool selected(int, int);
453 static char *getsel(void);
454 static void selcopy(Time);
455 static void selscroll(int, int);
456 static void selsnap(int, int *, int *, int);
457 static int x2col(int);
458 static int y2row(int);
459 static void getbuttoninfo(XEvent *);
460 static void mousereport(XEvent *);
462 static size_t utf8decode(char *, long *, size_t);
463 static long utf8decodebyte(char, size_t *);
464 static size_t utf8encode(long, char *);
465 static char utf8encodebyte(long, size_t);
466 static size_t utf8validate(long *, size_t);
468 static ssize_t xwrite(int, const char *, size_t);
469 static void *xmalloc(size_t);
470 static void *xrealloc(void *, size_t);
471 static char *xstrdup(char *);
473 static void usage(void);
475 static void (*handler[LASTEvent])(XEvent *) = {
477 [ClientMessage] = cmessage,
478 [ConfigureNotify] = resize,
479 [VisibilityNotify] = visibility,
480 [UnmapNotify] = unmap,
484 [MotionNotify] = bmotion,
485 [ButtonPress] = bpress,
486 [ButtonRelease] = brelease,
488 * Uncomment if you want the selection to disappear when you select something
489 * different in another window.
491 /* [SelectionClear] = selclear, */
492 [SelectionNotify] = selnotify,
493 [SelectionRequest] = selrequest,
500 static CSIEscape csiescseq;
501 static STREscape strescseq;
504 static Selection sel;
505 static int iofd = STDOUT_FILENO;
506 static char **opt_cmd = NULL;
507 static char *opt_io = NULL;
508 static char *opt_title = NULL;
509 static char *opt_embed = NULL;
510 static char *opt_class = NULL;
511 static char *opt_font = NULL;
512 static char *opt_line = NULL;
513 static int oldbutton = 3; /* button event on startup: 3 = release */
515 static char *usedfont = NULL;
516 static double usedfontsize = 0;
517 static double defaultfontsize = 0;
519 static uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0};
520 static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
521 static long utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000};
522 static long utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
524 /* Font Ring Cache */
538 /* Fontcache is an array now. A new font will be appended to the array. */
539 static Fontcache frc[16];
540 static int frclen = 0;
543 xwrite(int fd, const char *s, size_t len) {
547 ssize_t r = write(fd, s, len);
557 xmalloc(size_t len) {
558 void *p = malloc(len);
561 die("Out of memory\n");
567 xrealloc(void *p, size_t len) {
568 if((p = realloc(p, len)) == NULL)
569 die("Out of memory\n");
576 if((s = strdup(s)) == NULL)
577 die("Out of memory\n");
583 utf8decode(char *c, long *u, size_t clen) {
584 size_t i, j, len, type;
590 udecoded = utf8decodebyte(c[0], &len);
591 if(!BETWEEN(len, 1, UTF_SIZ))
593 for(i = 1, j = 1; i < clen && j < len; ++i, ++j) {
594 udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type);
601 utf8validate(u, len);
606 utf8decodebyte(char c, size_t *i) {
607 for(*i = 0; *i < LEN(utfmask); ++(*i))
608 if(((uchar)c & utfmask[*i]) == utfbyte[*i])
609 return (uchar)c & ~utfmask[*i];
614 utf8encode(long u, char *c) {
617 len = utf8validate(&u, 0);
620 for(i = len - 1; i != 0; --i) {
621 c[i] = utf8encodebyte(u, 0);
624 c[0] = utf8encodebyte(u, len);
629 utf8encodebyte(long u, size_t i) {
630 return utfbyte[i] | (u & ~utfmask[i]);
634 utf8validate(long *u, size_t i) {
635 if(!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
637 for(i = 1; *u > utfmax[i]; ++i)
644 memset(&sel.tclick1, 0, sizeof(sel.tclick1));
645 memset(&sel.tclick2, 0, sizeof(sel.tclick2));
649 sel.clipboard = NULL;
650 sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
651 if(sel.xtarget == None)
652 sel.xtarget = XA_STRING;
660 return LIMIT(x, 0, term.col-1);
668 return LIMIT(y, 0, term.row-1);
675 if(term.line[y][i - 1].mode & ATTR_WRAP)
678 while(i > 0 && term.line[y][i - 1].u == ' ')
688 if(sel.ob.y == sel.oe.y || sel.type == SEL_RECTANGULAR) {
689 sel.nb.x = MIN(sel.ob.x, sel.oe.x);
690 sel.ne.x = MAX(sel.ob.x, sel.oe.x);
692 sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x;
693 sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x;
695 sel.nb.y = MIN(sel.ob.y, sel.oe.y);
696 sel.ne.y = MAX(sel.ob.y, sel.oe.y);
698 selsnap(sel.snap, &sel.nb.x, &sel.nb.y, -1);
699 selsnap(sel.snap, &sel.ne.x, &sel.ne.y, +1);
701 /* expand selection over line breaks */
702 if (sel.type == SEL_RECTANGULAR)
704 i = tlinelen(sel.nb.y);
707 if (tlinelen(sel.ne.y) <= sel.ne.x)
708 sel.ne.x = term.col - 1;
712 selected(int x, int y) {
713 if(sel.type == SEL_RECTANGULAR)
714 return BETWEEN(y, sel.nb.y, sel.ne.y)
715 && BETWEEN(x, sel.nb.x, sel.ne.x);
717 return BETWEEN(y, sel.nb.y, sel.ne.y)
718 && (y != sel.nb.y || x >= sel.nb.x)
719 && (y != sel.ne.y || x <= sel.ne.x);
723 selsnap(int mode, int *x, int *y, int direction) {
724 int newx, newy, xt, yt;
725 bool delim, prevdelim;
731 * Snap around if the word wraps around at the end or
732 * beginning of a line.
734 prevgp = &term.line[*y][*x];
735 prevdelim = ISDELIM(prevgp->u);
737 newx = *x + direction;
739 if(!BETWEEN(newx, 0, term.col - 1)) {
741 newx = (newx + term.col) % term.col;
742 if (!BETWEEN(newy, 0, term.row - 1))
748 yt = newy, xt = newx;
749 if(!(term.line[yt][xt].mode & ATTR_WRAP))
753 if (newx >= tlinelen(newy))
756 gp = &term.line[newy][newx];
757 delim = ISDELIM(gp->u);
758 if(!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
759 || (delim && gp->u != prevgp->u)))
770 * Snap around if the the previous line or the current one
771 * has set ATTR_WRAP at its end. Then the whole next or
772 * previous line will be selected.
774 *x = (direction < 0) ? 0 : term.col - 1;
775 if(direction < 0 && *y > 0) {
776 for(; *y > 0; *y += direction) {
777 if(!(term.line[*y-1][term.col-1].mode
782 } else if(direction > 0 && *y < term.row-1) {
783 for(; *y < term.row; *y += direction) {
784 if(!(term.line[*y][term.col-1].mode
795 getbuttoninfo(XEvent *e) {
797 uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
799 sel.alt = IS_SET(MODE_ALTSCREEN);
801 sel.oe.x = x2col(e->xbutton.x);
802 sel.oe.y = y2row(e->xbutton.y);
805 sel.type = SEL_REGULAR;
806 for(type = 1; type < LEN(selmasks); ++type) {
807 if(match(selmasks[type], state)) {
815 mousereport(XEvent *e) {
816 int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
817 button = e->xbutton.button, state = e->xbutton.state,
823 if(e->xbutton.type == MotionNotify) {
824 if(x == ox && y == oy)
826 if(!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
828 /* MOUSE_MOTION: no reporting if no button is pressed */
829 if(IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
832 button = oldbutton + 32;
836 if(!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
843 if(e->xbutton.type == ButtonPress) {
847 } else if(e->xbutton.type == ButtonRelease) {
849 /* MODE_MOUSEX10: no button release reporting */
850 if(IS_SET(MODE_MOUSEX10))
852 if (button == 64 || button == 65)
857 if(!IS_SET(MODE_MOUSEX10)) {
858 button += (state & ShiftMask ? 4 : 0)
859 + (state & Mod4Mask ? 8 : 0)
860 + (state & ControlMask ? 16 : 0);
864 if(IS_SET(MODE_MOUSESGR)) {
865 len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
867 e->xbutton.type == ButtonRelease ? 'm' : 'M');
868 } else if(x < 223 && y < 223) {
869 len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
870 32+button, 32+x+1, 32+y+1);
883 if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
888 for(mk = mshortcuts; mk < mshortcuts + LEN(mshortcuts); mk++) {
889 if(e->xbutton.button == mk->b
890 && match(mk->mask, e->xbutton.state)) {
891 ttysend(mk->s, strlen(mk->s));
896 if(e->xbutton.button == Button1) {
897 clock_gettime(CLOCK_MONOTONIC, &now);
899 /* Clear previous selection, logically and visually. */
902 sel.type = SEL_REGULAR;
903 sel.oe.x = sel.ob.x = x2col(e->xbutton.x);
904 sel.oe.y = sel.ob.y = y2row(e->xbutton.y);
907 * If the user clicks below predefined timeouts specific
908 * snapping behaviour is exposed.
910 if(TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
911 sel.snap = SNAP_LINE;
912 } else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
913 sel.snap = SNAP_WORD;
920 * Draw selection, unless it's regular and we don't want to
921 * make clicks visible
925 tsetdirt(sel.nb.y, sel.ne.y);
927 sel.tclick2 = sel.tclick1;
935 int y, bufsize, lastx, linelen;
941 bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ;
942 ptr = str = xmalloc(bufsize);
944 /* append every set & selected glyph to the selection */
945 for(y = sel.nb.y; y <= sel.ne.y; y++) {
946 linelen = tlinelen(y);
948 if(sel.type == SEL_RECTANGULAR) {
949 gp = &term.line[y][sel.nb.x];
952 gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0];
953 lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
955 last = &term.line[y][MIN(lastx, linelen-1)];
956 while(last >= gp && last->u == ' ')
959 for( ; gp <= last; ++gp) {
960 if(gp->mode & ATTR_WDUMMY)
963 ptr += utf8encode(gp->u, ptr);
967 * Copy and pasting of line endings is inconsistent
968 * in the inconsistent terminal and GUI world.
969 * The best solution seems like to produce '\n' when
970 * something is copied from st and convert '\n' to
971 * '\r', when something to be pasted is received by
973 * FIXME: Fix the computer world.
975 if((y < sel.ne.y || lastx >= linelen) && !(last->mode & ATTR_WRAP))
984 xsetsel(getsel(), t);
988 selnotify(XEvent *e) {
989 ulong nitems, ofs, rem;
991 uchar *data, *last, *repl;
993 XSelectionEvent *xsev;
996 xsev = &e->xselection;
997 if (xsev->property == None)
1000 if(XGetWindowProperty(xw.dpy, xw.win, xsev->property, ofs,
1001 BUFSIZ/4, False, AnyPropertyType,
1002 &type, &format, &nitems, &rem,
1004 fprintf(stderr, "Clipboard allocation failed\n");
1009 * As seen in getsel:
1010 * Line endings are inconsistent in the terminal and GUI world
1011 * copy and pasting. When receiving some selection data,
1012 * replace all '\n' with '\r'.
1013 * FIXME: Fix the computer world.
1016 last = data + nitems * format / 8;
1017 while((repl = memchr(repl, '\n', last - repl))) {
1021 if(IS_SET(MODE_BRCKTPASTE))
1022 ttywrite("\033[200~", 6);
1023 ttysend((char *)data, nitems * format / 8);
1024 if(IS_SET(MODE_BRCKTPASTE))
1025 ttywrite("\033[201~", 6);
1027 /* number of 32-bit chunks returned */
1028 ofs += nitems * format / 32;
1033 selpaste(const Arg *dummy) {
1034 XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY,
1035 xw.win, CurrentTime);
1039 clipcopy(const Arg *dummy) {
1042 if(sel.clipboard != NULL)
1043 free(sel.clipboard);
1045 if(sel.primary != NULL) {
1046 sel.clipboard = xstrdup(sel.primary);
1047 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
1048 XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
1053 clippaste(const Arg *dummy) {
1056 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
1057 XConvertSelection(xw.dpy, clipboard, sel.xtarget, clipboard,
1058 xw.win, CurrentTime);
1062 selclear(XEvent *e) {
1066 tsetdirt(sel.nb.y, sel.ne.y);
1070 selrequest(XEvent *e) {
1071 XSelectionRequestEvent *xsre;
1072 XSelectionEvent xev;
1073 Atom xa_targets, string, clipboard;
1076 xsre = (XSelectionRequestEvent *) e;
1077 xev.type = SelectionNotify;
1078 xev.requestor = xsre->requestor;
1079 xev.selection = xsre->selection;
1080 xev.target = xsre->target;
1081 xev.time = xsre->time;
1082 if (xsre->property == None)
1083 xsre->property = xsre->target;
1086 xev.property = None;
1088 xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
1089 if(xsre->target == xa_targets) {
1090 /* respond with the supported type */
1091 string = sel.xtarget;
1092 XChangeProperty(xsre->display, xsre->requestor, xsre->property,
1093 XA_ATOM, 32, PropModeReplace,
1094 (uchar *) &string, 1);
1095 xev.property = xsre->property;
1096 } else if(xsre->target == sel.xtarget || xsre->target == XA_STRING) {
1098 * xith XA_STRING non ascii characters may be incorrect in the
1099 * requestor. It is not our problem, use utf8.
1101 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
1102 if(xsre->selection == XA_PRIMARY) {
1103 seltext = sel.primary;
1104 } else if(xsre->selection == clipboard) {
1105 seltext = sel.clipboard;
1108 "Unhandled clipboard selection 0x%lx\n",
1112 if(seltext != NULL) {
1113 XChangeProperty(xsre->display, xsre->requestor,
1114 xsre->property, xsre->target,
1116 (uchar *)seltext, strlen(seltext));
1117 xev.property = xsre->property;
1121 /* all done, send a notification to the listener */
1122 if(!XSendEvent(xsre->display, xsre->requestor, True, 0, (XEvent *) &xev))
1123 fprintf(stderr, "Error sending SelectionNotify event\n");
1127 xsetsel(char *str, Time t) {
1131 XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
1132 if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
1137 brelease(XEvent *e) {
1138 if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
1143 if(e->xbutton.button == Button2) {
1145 } else if(e->xbutton.button == Button1) {
1150 selcopy(e->xbutton.time);
1153 tsetdirt(sel.nb.y, sel.ne.y);
1158 bmotion(XEvent *e) {
1159 int oldey, oldex, oldsby, oldsey;
1161 if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
1176 if(oldey != sel.oe.y || oldex != sel.oe.x)
1177 tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
1181 die(const char *errstr, ...) {
1184 va_start(ap, errstr);
1185 vfprintf(stderr, errstr, ap);
1192 char **args, *sh, *prog;
1193 const struct passwd *pw;
1194 char buf[sizeof(long) * 8 + 1];
1197 if((pw = getpwuid(getuid())) == NULL) {
1199 die("getpwuid:%s\n", strerror(errno));
1201 die("who are you?\n");
1204 if (!(sh = getenv("SHELL"))) {
1205 sh = (pw->pw_shell[0]) ? pw->pw_shell : shell;
1214 args = (opt_cmd) ? opt_cmd : (char *[]) {prog, NULL};
1216 snprintf(buf, sizeof(buf), "%lu", xw.win);
1218 unsetenv("COLUMNS");
1220 unsetenv("TERMCAP");
1221 setenv("LOGNAME", pw->pw_name, 1);
1222 setenv("USER", pw->pw_name, 1);
1223 setenv("SHELL", sh, 1);
1224 setenv("HOME", pw->pw_dir, 1);
1225 setenv("TERM", termname, 1);
1226 setenv("WINDOWID", buf, 1);
1228 signal(SIGCHLD, SIG_DFL);
1229 signal(SIGHUP, SIG_DFL);
1230 signal(SIGINT, SIG_DFL);
1231 signal(SIGQUIT, SIG_DFL);
1232 signal(SIGTERM, SIG_DFL);
1233 signal(SIGALRM, SIG_DFL);
1236 _exit(EXIT_FAILURE);
1243 if(waitpid(pid, &stat, 0) < 0)
1244 die("Waiting for pid %hd failed: %s\n", pid, strerror(errno));
1246 ret = WIFEXITED(stat) ? WEXITSTATUS(stat) : EXIT_FAILURE;
1247 if (ret != EXIT_SUCCESS)
1248 die("child finished with error '%d'\n", stat);
1256 char cmd[_POSIX_ARG_MAX], **p, *q, *s;
1259 if((n = strlen(stty_args)) > sizeof(cmd)-1)
1260 die("incorrect stty parameters\n");
1261 memcpy(cmd, stty_args, n);
1263 siz = sizeof(cmd) - n;
1264 for(p = opt_cmd; p && (s = *p); ++p) {
1265 if((n = strlen(s)) > siz-1)
1266 die("stty parameter length too long\n");
1268 q = memcpy(q, s, n);
1273 if (system(cmd) != 0)
1274 perror("Couldn't call stty");
1280 struct winsize w = {term.row, term.col, 0, 0};
1283 term.mode |= MODE_PRINT;
1284 iofd = (!strcmp(opt_io, "-")) ?
1286 open(opt_io, O_WRONLY | O_CREAT, 0666);
1288 fprintf(stderr, "Error opening %s:%s\n",
1289 opt_io, strerror(errno));
1294 if((cmdfd = open(opt_line, O_RDWR)) < 0)
1295 die("open line failed: %s\n", strerror(errno));
1296 close(STDIN_FILENO);
1302 /* seems to work fine on linux, openbsd and freebsd */
1303 if(openpty(&m, &s, NULL, NULL, &w) < 0)
1304 die("openpty failed: %s\n", strerror(errno));
1306 switch(pid = fork()) {
1308 die("fork failed\n");
1312 setsid(); /* create a new process group */
1313 dup2(s, STDIN_FILENO);
1314 dup2(s, STDOUT_FILENO);
1315 dup2(s, STDERR_FILENO);
1316 if(ioctl(s, TIOCSCTTY, NULL) < 0)
1317 die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
1325 signal(SIGCHLD, sigchld);
1332 static char buf[BUFSIZ];
1333 static int buflen = 0;
1336 int charsize; /* size of utf8 char in bytes */
1340 /* append read bytes to unprocessed bytes */
1341 if((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0)
1342 die("Couldn't read from shell: %s\n", strerror(errno));
1344 /* process every complete utf8 char */
1347 while((charsize = utf8decode(ptr, &unicodep, buflen))) {
1348 utf8encode(unicodep, s);
1354 /* keep any uncomplete utf8 char for the next call */
1355 memmove(buf, ptr, buflen);
1359 ttywrite(const char *s, size_t n) {
1360 if(xwrite(cmdfd, s, n) == -1)
1361 die("write error on tty: %s\n", strerror(errno));
1365 ttysend(char *s, size_t n) {
1367 if(IS_SET(MODE_ECHO))
1375 w.ws_row = term.row;
1376 w.ws_col = term.col;
1377 w.ws_xpixel = xw.tw;
1378 w.ws_ypixel = xw.th;
1379 if(ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
1380 fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno));
1384 tattrset(int attr) {
1387 for(i = 0; i < term.row-1; i++) {
1388 for(j = 0; j < term.col-1; j++) {
1389 if(term.line[i][j].mode & attr)
1398 tsetdirt(int top, int bot) {
1401 LIMIT(top, 0, term.row-1);
1402 LIMIT(bot, 0, term.row-1);
1404 for(i = top; i <= bot; i++)
1409 tsetdirtattr(int attr) {
1412 for(i = 0; i < term.row-1; i++) {
1413 for(j = 0; j < term.col-1; j++) {
1414 if(term.line[i][j].mode & attr) {
1424 tsetdirt(0, term.row-1);
1429 static TCursor c[2];
1430 bool alt = IS_SET(MODE_ALTSCREEN);
1432 if(mode == CURSOR_SAVE) {
1434 } else if(mode == CURSOR_LOAD) {
1436 tmoveto(c[alt].x, c[alt].y);
1444 term.c = (TCursor){{
1448 }, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
1450 memset(term.tabs, 0, term.col * sizeof(*term.tabs));
1451 for(i = tabspaces; i < term.col; i += tabspaces)
1454 term.bot = term.row - 1;
1455 term.mode = MODE_WRAP;
1456 memset(term.trantbl, CS_USA, sizeof(term.trantbl));
1459 for(i = 0; i < 2; i++) {
1461 tcursor(CURSOR_SAVE);
1462 tclearregion(0, 0, term.col-1, term.row-1);
1468 tnew(int col, int row) {
1469 term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } };
1478 Line *tmp = term.line;
1480 term.line = term.alt;
1482 term.mode ^= MODE_ALTSCREEN;
1487 tscrolldown(int orig, int n) {
1491 LIMIT(n, 0, term.bot-orig+1);
1493 tsetdirt(orig, term.bot-n);
1494 tclearregion(0, term.bot-n+1, term.col-1, term.bot);
1496 for(i = term.bot; i >= orig+n; i--) {
1497 temp = term.line[i];
1498 term.line[i] = term.line[i-n];
1499 term.line[i-n] = temp;
1506 tscrollup(int orig, int n) {
1510 LIMIT(n, 0, term.bot-orig+1);
1512 tclearregion(0, orig, term.col-1, orig+n-1);
1513 tsetdirt(orig+n, term.bot);
1515 for(i = orig; i <= term.bot-n; i++) {
1516 temp = term.line[i];
1517 term.line[i] = term.line[i+n];
1518 term.line[i+n] = temp;
1521 selscroll(orig, -n);
1525 selscroll(int orig, int n) {
1529 if(BETWEEN(sel.ob.y, orig, term.bot) || BETWEEN(sel.oe.y, orig, term.bot)) {
1530 if((sel.ob.y += n) > term.bot || (sel.oe.y += n) < term.top) {
1534 if(sel.type == SEL_RECTANGULAR) {
1535 if(sel.ob.y < term.top)
1536 sel.ob.y = term.top;
1537 if(sel.oe.y > term.bot)
1538 sel.oe.y = term.bot;
1540 if(sel.ob.y < term.top) {
1541 sel.ob.y = term.top;
1544 if(sel.oe.y > term.bot) {
1545 sel.oe.y = term.bot;
1546 sel.oe.x = term.col;
1554 tnewline(int first_col) {
1558 tscrollup(term.top, 1);
1562 tmoveto(first_col ? 0 : term.c.x, y);
1567 char *p = csiescseq.buf, *np;
1576 csiescseq.buf[csiescseq.len] = '\0';
1577 while(p < csiescseq.buf+csiescseq.len) {
1579 v = strtol(p, &np, 10);
1582 if(v == LONG_MAX || v == LONG_MIN)
1584 csiescseq.arg[csiescseq.narg++] = v;
1586 if(*p != ';' || csiescseq.narg == ESC_ARG_SIZ)
1590 csiescseq.mode[0] = *p++;
1591 csiescseq.mode[1] = (p < csiescseq.buf+csiescseq.len) ? *p : '\0';
1594 /* for absolute user moves, when decom is set */
1596 tmoveato(int x, int y) {
1597 tmoveto(x, y + ((term.c.state & CURSOR_ORIGIN) ? term.top: 0));
1601 tmoveto(int x, int y) {
1604 if(term.c.state & CURSOR_ORIGIN) {
1609 maxy = term.row - 1;
1611 term.c.state &= ~CURSOR_WRAPNEXT;
1612 term.c.x = LIMIT(x, 0, term.col-1);
1613 term.c.y = LIMIT(y, miny, maxy);
1617 tsetchar(char *c, Glyph *attr, int x, int y) {
1618 static char *vt100_0[62] = { /* 0x41 - 0x7e */
1619 "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
1620 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
1621 0, 0, 0, 0, 0, 0, 0, 0, /* P - W */
1622 0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */
1623 "◆", "▒", "␉", "␌", "␍", "␊", "°", "±", /* ` - g */
1624 "", "␋", "┘", "┐", "┌", "└", "┼", "⎺", /* h - o */
1625 "⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */
1626 "│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */
1630 * The table is proudly stolen from rxvt.
1632 if(term.trantbl[term.charset] == CS_GRAPHIC0) {
1633 if(BETWEEN(c[0], 0x41, 0x7e) && vt100_0[c[0] - 0x41]) {
1634 c = vt100_0[c[0] - 0x41];
1638 if(term.line[y][x].mode & ATTR_WIDE) {
1639 if(x+1 < term.col) {
1640 term.line[y][x+1].u = ' ';
1641 term.line[y][x+1].mode &= ~ATTR_WDUMMY;
1643 } else if(term.line[y][x].mode & ATTR_WDUMMY) {
1644 term.line[y][x-1].u = ' ';
1645 term.line[y][x-1].mode &= ~ATTR_WIDE;
1649 term.line[y][x] = *attr;
1650 utf8decode(c, &term.line[y][x].u, UTF_SIZ);
1654 tclearregion(int x1, int y1, int x2, int y2) {
1659 temp = x1, x1 = x2, x2 = temp;
1661 temp = y1, y1 = y2, y2 = temp;
1663 LIMIT(x1, 0, term.col-1);
1664 LIMIT(x2, 0, term.col-1);
1665 LIMIT(y1, 0, term.row-1);
1666 LIMIT(y2, 0, term.row-1);
1668 for(y = y1; y <= y2; y++) {
1670 for(x = x1; x <= x2; x++) {
1671 gp = &term.line[y][x];
1674 gp->fg = term.c.attr.fg;
1675 gp->bg = term.c.attr.bg;
1683 tdeletechar(int n) {
1687 LIMIT(n, 0, term.col - term.c.x);
1691 size = term.col - src;
1692 line = term.line[term.c.y];
1694 memmove(&line[dst], &line[src], size * sizeof(Glyph));
1695 tclearregion(term.col-n, term.c.y, term.col-1, term.c.y);
1699 tinsertblank(int n) {
1703 LIMIT(n, 0, term.col - term.c.x);
1707 size = term.col - dst;
1708 line = term.line[term.c.y];
1710 memmove(&line[dst], &line[src], size * sizeof(Glyph));
1711 tclearregion(src, term.c.y, dst - 1, term.c.y);
1715 tinsertblankline(int n) {
1716 if(BETWEEN(term.c.y, term.top, term.bot))
1717 tscrolldown(term.c.y, n);
1721 tdeleteline(int n) {
1722 if(BETWEEN(term.c.y, term.top, term.bot))
1723 tscrollup(term.c.y, n);
1727 tdefcolor(int *attr, int *npar, int l) {
1731 switch (attr[*npar + 1]) {
1732 case 2: /* direct color in RGB space */
1733 if (*npar + 4 >= l) {
1735 "erresc(38): Incorrect number of parameters (%d)\n",
1739 r = attr[*npar + 2];
1740 g = attr[*npar + 3];
1741 b = attr[*npar + 4];
1743 if(!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255))
1744 fprintf(stderr, "erresc: bad rgb color (%d,%d,%d)\n",
1747 idx = TRUECOLOR(r, g, b);
1749 case 5: /* indexed color */
1750 if (*npar + 2 >= l) {
1752 "erresc(38): Incorrect number of parameters (%d)\n",
1757 if(!BETWEEN(attr[*npar], 0, 255))
1758 fprintf(stderr, "erresc: bad fgcolor %d\n", attr[*npar]);
1762 case 0: /* implemented defined (only foreground) */
1763 case 1: /* transparent */
1764 case 3: /* direct color in CMY space */
1765 case 4: /* direct color in CMYK space */
1768 "erresc(38): gfx attr %d unknown\n", attr[*npar]);
1776 tsetattr(int *attr, int l) {
1780 for(i = 0; i < l; i++) {
1783 term.c.attr.mode &= ~(
1792 term.c.attr.fg = defaultfg;
1793 term.c.attr.bg = defaultbg;
1796 term.c.attr.mode |= ATTR_BOLD;
1799 term.c.attr.mode |= ATTR_FAINT;
1802 term.c.attr.mode |= ATTR_ITALIC;
1805 term.c.attr.mode |= ATTR_UNDERLINE;
1807 case 5: /* slow blink */
1809 case 6: /* rapid blink */
1810 term.c.attr.mode |= ATTR_BLINK;
1813 term.c.attr.mode |= ATTR_REVERSE;
1816 term.c.attr.mode |= ATTR_INVISIBLE;
1819 term.c.attr.mode |= ATTR_STRUCK;
1822 term.c.attr.mode &= ~(ATTR_BOLD | ATTR_FAINT);
1825 term.c.attr.mode &= ~ATTR_ITALIC;
1828 term.c.attr.mode &= ~ATTR_UNDERLINE;
1831 term.c.attr.mode &= ~ATTR_BLINK;
1834 term.c.attr.mode &= ~ATTR_REVERSE;
1837 term.c.attr.mode &= ~ATTR_INVISIBLE;
1840 term.c.attr.mode &= ~ATTR_STRUCK;
1843 if ((idx = tdefcolor(attr, &i, l)) >= 0)
1844 term.c.attr.fg = idx;
1847 term.c.attr.fg = defaultfg;
1850 if ((idx = tdefcolor(attr, &i, l)) >= 0)
1851 term.c.attr.bg = idx;
1854 term.c.attr.bg = defaultbg;
1857 if(BETWEEN(attr[i], 30, 37)) {
1858 term.c.attr.fg = attr[i] - 30;
1859 } else if(BETWEEN(attr[i], 40, 47)) {
1860 term.c.attr.bg = attr[i] - 40;
1861 } else if(BETWEEN(attr[i], 90, 97)) {
1862 term.c.attr.fg = attr[i] - 90 + 8;
1863 } else if(BETWEEN(attr[i], 100, 107)) {
1864 term.c.attr.bg = attr[i] - 100 + 8;
1867 "erresc(default): gfx attr %d unknown\n",
1868 attr[i]), csidump();
1876 tsetscroll(int t, int b) {
1879 LIMIT(t, 0, term.row-1);
1880 LIMIT(b, 0, term.row-1);
1891 tsetmode(bool priv, bool set, int *args, int narg) {
1895 for(lim = args + narg; args < lim; ++args) {
1898 case 1: /* DECCKM -- Cursor key */
1899 MODBIT(term.mode, set, MODE_APPCURSOR);
1901 case 5: /* DECSCNM -- Reverse video */
1903 MODBIT(term.mode, set, MODE_REVERSE);
1904 if(mode != term.mode)
1907 case 6: /* DECOM -- Origin */
1908 MODBIT(term.c.state, set, CURSOR_ORIGIN);
1911 case 7: /* DECAWM -- Auto wrap */
1912 MODBIT(term.mode, set, MODE_WRAP);
1914 case 0: /* Error (IGNORED) */
1915 case 2: /* DECANM -- ANSI/VT52 (IGNORED) */
1916 case 3: /* DECCOLM -- Column (IGNORED) */
1917 case 4: /* DECSCLM -- Scroll (IGNORED) */
1918 case 8: /* DECARM -- Auto repeat (IGNORED) */
1919 case 18: /* DECPFF -- Printer feed (IGNORED) */
1920 case 19: /* DECPEX -- Printer extent (IGNORED) */
1921 case 42: /* DECNRCM -- National characters (IGNORED) */
1922 case 12: /* att610 -- Start blinking cursor (IGNORED) */
1924 case 25: /* DECTCEM -- Text Cursor Enable Mode */
1925 MODBIT(term.mode, !set, MODE_HIDE);
1927 case 9: /* X10 mouse compatibility mode */
1928 xsetpointermotion(0);
1929 MODBIT(term.mode, 0, MODE_MOUSE);
1930 MODBIT(term.mode, set, MODE_MOUSEX10);
1932 case 1000: /* 1000: report button press */
1933 xsetpointermotion(0);
1934 MODBIT(term.mode, 0, MODE_MOUSE);
1935 MODBIT(term.mode, set, MODE_MOUSEBTN);
1937 case 1002: /* 1002: report motion on button press */
1938 xsetpointermotion(0);
1939 MODBIT(term.mode, 0, MODE_MOUSE);
1940 MODBIT(term.mode, set, MODE_MOUSEMOTION);
1942 case 1003: /* 1003: enable all mouse motions */
1943 xsetpointermotion(set);
1944 MODBIT(term.mode, 0, MODE_MOUSE);
1945 MODBIT(term.mode, set, MODE_MOUSEMANY);
1947 case 1004: /* 1004: send focus events to tty */
1948 MODBIT(term.mode, set, MODE_FOCUS);
1950 case 1006: /* 1006: extended reporting mode */
1951 MODBIT(term.mode, set, MODE_MOUSESGR);
1954 MODBIT(term.mode, set, MODE_8BIT);
1956 case 1049: /* swap screen & set/restore cursor as xterm */
1957 if (!allowaltscreen)
1959 tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
1961 case 47: /* swap screen */
1963 if (!allowaltscreen)
1965 alt = IS_SET(MODE_ALTSCREEN);
1967 tclearregion(0, 0, term.col-1,
1970 if(set ^ alt) /* set is always 1 or 0 */
1976 tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
1978 case 2004: /* 2004: bracketed paste mode */
1979 MODBIT(term.mode, set, MODE_BRCKTPASTE);
1981 /* Not implemented mouse modes. See comments there. */
1982 case 1001: /* mouse highlight mode; can hang the
1983 terminal by design when implemented. */
1984 case 1005: /* UTF-8 mouse mode; will confuse
1985 applications not supporting UTF-8
1987 case 1015: /* urxvt mangled mouse mode; incompatible
1988 and can be mistaken for other control
1992 "erresc: unknown private set/reset mode %d\n",
1998 case 0: /* Error (IGNORED) */
2000 case 2: /* KAM -- keyboard action */
2001 MODBIT(term.mode, set, MODE_KBDLOCK);
2003 case 4: /* IRM -- Insertion-replacement */
2004 MODBIT(term.mode, set, MODE_INSERT);
2006 case 12: /* SRM -- Send/Receive */
2007 MODBIT(term.mode, !set, MODE_ECHO);
2009 case 20: /* LNM -- Linefeed/new line */
2010 MODBIT(term.mode, set, MODE_CRLF);
2014 "erresc: unknown set/reset mode %d\n",
2027 switch(csiescseq.mode[0]) {
2030 fprintf(stderr, "erresc: unknown csi ");
2034 case '@': /* ICH -- Insert <n> blank char */
2035 DEFAULT(csiescseq.arg[0], 1);
2036 tinsertblank(csiescseq.arg[0]);
2038 case 'A': /* CUU -- Cursor <n> Up */
2039 DEFAULT(csiescseq.arg[0], 1);
2040 tmoveto(term.c.x, term.c.y-csiescseq.arg[0]);
2042 case 'B': /* CUD -- Cursor <n> Down */
2043 case 'e': /* VPR --Cursor <n> Down */
2044 DEFAULT(csiescseq.arg[0], 1);
2045 tmoveto(term.c.x, term.c.y+csiescseq.arg[0]);
2047 case 'i': /* MC -- Media Copy */
2048 switch(csiescseq.arg[0]) {
2053 tdumpline(term.c.y);
2059 term.mode &= ~MODE_PRINT;
2062 term.mode |= MODE_PRINT;
2066 case 'c': /* DA -- Device Attributes */
2067 if(csiescseq.arg[0] == 0)
2068 ttywrite(vtiden, sizeof(vtiden) - 1);
2070 case 'C': /* CUF -- Cursor <n> Forward */
2071 case 'a': /* HPR -- Cursor <n> Forward */
2072 DEFAULT(csiescseq.arg[0], 1);
2073 tmoveto(term.c.x+csiescseq.arg[0], term.c.y);
2075 case 'D': /* CUB -- Cursor <n> Backward */
2076 DEFAULT(csiescseq.arg[0], 1);
2077 tmoveto(term.c.x-csiescseq.arg[0], term.c.y);
2079 case 'E': /* CNL -- Cursor <n> Down and first col */
2080 DEFAULT(csiescseq.arg[0], 1);
2081 tmoveto(0, term.c.y+csiescseq.arg[0]);
2083 case 'F': /* CPL -- Cursor <n> Up and first col */
2084 DEFAULT(csiescseq.arg[0], 1);
2085 tmoveto(0, term.c.y-csiescseq.arg[0]);
2087 case 'g': /* TBC -- Tabulation clear */
2088 switch(csiescseq.arg[0]) {
2089 case 0: /* clear current tab stop */
2090 term.tabs[term.c.x] = 0;
2092 case 3: /* clear all the tabs */
2093 memset(term.tabs, 0, term.col * sizeof(*term.tabs));
2099 case 'G': /* CHA -- Move to <col> */
2101 DEFAULT(csiescseq.arg[0], 1);
2102 tmoveto(csiescseq.arg[0]-1, term.c.y);
2104 case 'H': /* CUP -- Move to <row> <col> */
2106 DEFAULT(csiescseq.arg[0], 1);
2107 DEFAULT(csiescseq.arg[1], 1);
2108 tmoveato(csiescseq.arg[1]-1, csiescseq.arg[0]-1);
2110 case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
2111 DEFAULT(csiescseq.arg[0], 1);
2112 tputtab(csiescseq.arg[0]);
2114 case 'J': /* ED -- Clear screen */
2116 switch(csiescseq.arg[0]) {
2118 tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
2119 if(term.c.y < term.row-1) {
2120 tclearregion(0, term.c.y+1, term.col-1,
2126 tclearregion(0, 0, term.col-1, term.c.y-1);
2127 tclearregion(0, term.c.y, term.c.x, term.c.y);
2130 tclearregion(0, 0, term.col-1, term.row-1);
2136 case 'K': /* EL -- Clear line */
2137 switch(csiescseq.arg[0]) {
2139 tclearregion(term.c.x, term.c.y, term.col-1,
2143 tclearregion(0, term.c.y, term.c.x, term.c.y);
2146 tclearregion(0, term.c.y, term.col-1, term.c.y);
2150 case 'S': /* SU -- Scroll <n> line up */
2151 DEFAULT(csiescseq.arg[0], 1);
2152 tscrollup(term.top, csiescseq.arg[0]);
2154 case 'T': /* SD -- Scroll <n> line down */
2155 DEFAULT(csiescseq.arg[0], 1);
2156 tscrolldown(term.top, csiescseq.arg[0]);
2158 case 'L': /* IL -- Insert <n> blank lines */
2159 DEFAULT(csiescseq.arg[0], 1);
2160 tinsertblankline(csiescseq.arg[0]);
2162 case 'l': /* RM -- Reset Mode */
2163 tsetmode(csiescseq.priv, 0, csiescseq.arg, csiescseq.narg);
2165 case 'M': /* DL -- Delete <n> lines */
2166 DEFAULT(csiescseq.arg[0], 1);
2167 tdeleteline(csiescseq.arg[0]);
2169 case 'X': /* ECH -- Erase <n> char */
2170 DEFAULT(csiescseq.arg[0], 1);
2171 tclearregion(term.c.x, term.c.y,
2172 term.c.x + csiescseq.arg[0] - 1, term.c.y);
2174 case 'P': /* DCH -- Delete <n> char */
2175 DEFAULT(csiescseq.arg[0], 1);
2176 tdeletechar(csiescseq.arg[0]);
2178 case 'Z': /* CBT -- Cursor Backward Tabulation <n> tab stops */
2179 DEFAULT(csiescseq.arg[0], 1);
2180 tputtab(-csiescseq.arg[0]);
2182 case 'd': /* VPA -- Move to <row> */
2183 DEFAULT(csiescseq.arg[0], 1);
2184 tmoveato(term.c.x, csiescseq.arg[0]-1);
2186 case 'h': /* SM -- Set terminal mode */
2187 tsetmode(csiescseq.priv, 1, csiescseq.arg, csiescseq.narg);
2189 case 'm': /* SGR -- Terminal attribute (color) */
2190 tsetattr(csiescseq.arg, csiescseq.narg);
2192 case 'n': /* DSR – Device Status Report (cursor position) */
2193 if (csiescseq.arg[0] == 6) {
2194 len = snprintf(buf, sizeof(buf),"\033[%i;%iR",
2195 term.c.y+1, term.c.x+1);
2199 case 'r': /* DECSTBM -- Set Scrolling Region */
2200 if(csiescseq.priv) {
2203 DEFAULT(csiescseq.arg[0], 1);
2204 DEFAULT(csiescseq.arg[1], term.row);
2205 tsetscroll(csiescseq.arg[0]-1, csiescseq.arg[1]-1);
2209 case 's': /* DECSC -- Save cursor position (ANSI.SYS) */
2210 tcursor(CURSOR_SAVE);
2212 case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */
2213 tcursor(CURSOR_LOAD);
2216 switch (csiescseq.mode[1]) {
2217 case 'q': /* DECSCUSR -- Set Cursor Style */
2218 DEFAULT(csiescseq.arg[0], 1);
2219 if (!BETWEEN(csiescseq.arg[0], 0, 6)) {
2222 xw.cursor = csiescseq.arg[0];
2237 for(i = 0; i < csiescseq.len; i++) {
2238 c = csiescseq.buf[i] & 0xff;
2241 } else if(c == '\n') {
2243 } else if(c == '\r') {
2245 } else if(c == 0x1b) {
2248 printf("(%02x)", c);
2256 memset(&csiescseq, 0, sizeof(csiescseq));
2264 term.esc &= ~(ESC_STR_END|ESC_STR);
2266 par = (narg = strescseq.narg) ? atoi(strescseq.args[0]) : 0;
2268 switch(strescseq.type) {
2269 case ']': /* OSC -- Operating System Command */
2275 xsettitle(strescseq.args[1]);
2277 case 4: /* color set */
2280 p = strescseq.args[2];
2282 case 104: /* color reset, here p = NULL */
2283 j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
2284 if(xsetcolorname(j, p)) {
2285 fprintf(stderr, "erresc: invalid color %s\n", p);
2288 * TODO if defaultbg color is changed, borders
2296 case 'k': /* old title set compatibility */
2297 xsettitle(strescseq.args[0]);
2299 case 'P': /* DCS -- Device Control String */
2300 case '_': /* APC -- Application Program Command */
2301 case '^': /* PM -- Privacy Message */
2305 fprintf(stderr, "erresc: unknown str ");
2312 char *p = strescseq.buf;
2315 strescseq.buf[strescseq.len] = '\0';
2320 while(strescseq.narg < STR_ARG_SIZ) {
2321 strescseq.args[strescseq.narg++] = p;
2322 while((c = *p) != ';' && c != '\0')
2335 printf("ESC%c", strescseq.type);
2336 for(i = 0; i < strescseq.len; i++) {
2337 c = strescseq.buf[i] & 0xff;
2340 } else if(isprint(c)) {
2342 } else if(c == '\n') {
2344 } else if(c == '\r') {
2346 } else if(c == 0x1b) {
2349 printf("(%02x)", c);
2357 memset(&strescseq, 0, sizeof(strescseq));
2361 tprinter(char *s, size_t len) {
2362 if(iofd != -1 && xwrite(iofd, s, len) < 0) {
2363 fprintf(stderr, "Error writing in %s:%s\n",
2364 opt_io, strerror(errno));
2371 toggleprinter(const Arg *arg) {
2372 term.mode ^= MODE_PRINT;
2376 printscreen(const Arg *arg) {
2381 printsel(const Arg *arg) {
2389 if((ptr = getsel())) {
2390 tprinter(ptr, strlen(ptr));
2400 bp = &term.line[n][0];
2401 end = &bp[MIN(tlinelen(n), term.col) - 1];
2402 if(bp != end || bp->u != ' ') {
2403 for( ;bp <= end; ++bp)
2404 tprinter(buf, utf8encode(bp->u, buf));
2413 for(i = 0; i < term.row; ++i)
2422 while(x < term.col && n--)
2423 for(++x; x < term.col && !term.tabs[x]; ++x)
2427 for(--x; x > 0 && !term.tabs[x]; --x)
2430 term.c.x = LIMIT(x, 0, term.col-1);
2434 techo(char *buf, int len) {
2435 for(; len > 0; buf++, len--) {
2438 if(ISCONTROL((uchar) c)) { /* control code */
2443 } else if(c != '\n' && c != '\r' && c != '\t') {
2457 tdeftran(char ascii) {
2458 static char cs[] = "0B";
2459 static int vcs[] = {CS_GRAPHIC0, CS_USA};
2462 if((p = strchr(cs, ascii)) == NULL) {
2463 fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
2465 term.trantbl[term.icharset] = vcs[p - cs];
2471 static char E[UTF_SIZ] = "E";
2474 if(c == '8') { /* DEC screen alignment test. */
2475 for(x = 0; x < term.col; ++x) {
2476 for(y = 0; y < term.row; ++y)
2477 tsetchar(E, &term.c.attr, x, y);
2483 tstrsequence(uchar c) {
2485 case 0x90: /* DCS -- Device Control String */
2488 case 0x9f: /* APC -- Application Program Command */
2491 case 0x9e: /* PM -- Privacy Message */
2494 case 0x9d: /* OSC -- Operating System Command */
2500 term.esc |= ESC_STR;
2504 tcontrolcode(uchar ascii) {
2505 static char question[UTF_SIZ] = "?";
2512 tmoveto(term.c.x-1, term.c.y);
2515 tmoveto(0, term.c.y);
2520 /* go to first col if the mode is set */
2521 tnewline(IS_SET(MODE_CRLF));
2523 case '\a': /* BEL */
2524 if(term.esc & ESC_STR_END) {
2525 /* backwards compatibility to xterm */
2528 if(!(xw.state & WIN_FOCUSED))
2531 XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL);
2534 case '\033': /* ESC */
2536 term.esc &= ~(ESC_CSI|ESC_ALTCHARSET|ESC_TEST);
2537 term.esc |= ESC_START;
2539 case '\016': /* SO (LS1 -- Locking shift 1) */
2540 case '\017': /* SI (LS0 -- Locking shift 0) */
2541 term.charset = 1 - (ascii - '\016');
2543 case '\032': /* SUB */
2544 tsetchar(question, &term.c.attr, term.c.x, term.c.y);
2545 case '\030': /* CAN */
2548 case '\005': /* ENQ (IGNORED) */
2549 case '\000': /* NUL (IGNORED) */
2550 case '\021': /* XON (IGNORED) */
2551 case '\023': /* XOFF (IGNORED) */
2552 case 0177: /* DEL (IGNORED) */
2554 case 0x84: /* TODO: IND */
2556 case 0x85: /* NEL -- Next line */
2557 tnewline(1); /* always go to first col */
2559 case 0x88: /* HTS -- Horizontal tab stop */
2560 term.tabs[term.c.x] = 1;
2562 case 0x8d: /* TODO: RI */
2563 case 0x8e: /* TODO: SS2 */
2564 case 0x8f: /* TODO: SS3 */
2565 case 0x98: /* TODO: SOS */
2567 case 0x9a: /* DECID -- Identify Terminal */
2568 ttywrite(vtiden, sizeof(vtiden) - 1);
2570 case 0x9b: /* TODO: CSI */
2571 case 0x9c: /* TODO: ST */
2573 case 0x90: /* DCS -- Device Control String */
2574 case 0x9f: /* APC -- Application Program Command */
2575 case 0x9e: /* PM -- Privacy Message */
2576 case 0x9d: /* OSC -- Operating System Command */
2577 tstrsequence(ascii);
2580 /* only CAN, SUB, \a and C1 chars interrupt a sequence */
2581 term.esc &= ~(ESC_STR_END|ESC_STR);
2585 * returns 1 when the sequence is finished and it hasn't to read
2586 * more characters for this sequence, otherwise 0
2589 eschandle(uchar ascii) {
2592 term.esc |= ESC_CSI;
2595 term.esc |= ESC_TEST;
2597 case 'P': /* DCS -- Device Control String */
2598 case '_': /* APC -- Application Program Command */
2599 case '^': /* PM -- Privacy Message */
2600 case ']': /* OSC -- Operating System Command */
2601 case 'k': /* old title set compatibility */
2602 tstrsequence(ascii);
2604 case 'n': /* LS2 -- Locking shift 2 */
2605 case 'o': /* LS3 -- Locking shift 3 */
2606 term.charset = 2 + (ascii - 'n');
2608 case '(': /* GZD4 -- set primary charset G0 */
2609 case ')': /* G1D4 -- set secondary charset G1 */
2610 case '*': /* G2D4 -- set tertiary charset G2 */
2611 case '+': /* G3D4 -- set quaternary charset G3 */
2612 term.icharset = ascii - '(';
2613 term.esc |= ESC_ALTCHARSET;
2615 case 'D': /* IND -- Linefeed */
2616 if(term.c.y == term.bot) {
2617 tscrollup(term.top, 1);
2619 tmoveto(term.c.x, term.c.y+1);
2622 case 'E': /* NEL -- Next line */
2623 tnewline(1); /* always go to first col */
2625 case 'H': /* HTS -- Horizontal tab stop */
2626 term.tabs[term.c.x] = 1;
2628 case 'M': /* RI -- Reverse index */
2629 if(term.c.y == term.top) {
2630 tscrolldown(term.top, 1);
2632 tmoveto(term.c.x, term.c.y-1);
2635 case 'Z': /* DECID -- Identify Terminal */
2636 ttywrite(vtiden, sizeof(vtiden) - 1);
2638 case 'c': /* RIS -- Reset to inital state */
2643 case '=': /* DECPAM -- Application keypad */
2644 term.mode |= MODE_APPKEYPAD;
2646 case '>': /* DECPNM -- Normal keypad */
2647 term.mode &= ~MODE_APPKEYPAD;
2649 case '7': /* DECSC -- Save Cursor */
2650 tcursor(CURSOR_SAVE);
2652 case '8': /* DECRC -- Restore Cursor */
2653 tcursor(CURSOR_LOAD);
2655 case '\\': /* ST -- String Terminator */
2656 if(term.esc & ESC_STR_END)
2660 fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n",
2661 (uchar) ascii, isprint(ascii)? ascii:'.');
2668 tputc(char *c, int len) {
2677 unicodep = ascii = *c;
2679 utf8decode(c, &unicodep, UTF_SIZ);
2680 if ((width = wcwidth(unicodep)) == -1) {
2681 c = "\357\277\275"; /* UTF_INVALID */
2687 if(IS_SET(MODE_PRINT))
2689 control = ISCONTROL(unicodep);
2692 * STR sequence must be checked before anything else
2693 * because it uses all following characters until it
2694 * receives a ESC, a SUB, a ST or any other C1 control
2697 if(term.esc & ESC_STR) {
2699 (ascii == '\a' || ascii == 030 ||
2700 ascii == 032 || ascii == 033 ||
2701 ISCONTROLC1(unicodep))) {
2702 term.esc &= ~(ESC_START|ESC_STR);
2703 term.esc |= ESC_STR_END;
2704 } else if(strescseq.len + len < sizeof(strescseq.buf) - 1) {
2705 memmove(&strescseq.buf[strescseq.len], c, len);
2706 strescseq.len += len;
2710 * Here is a bug in terminals. If the user never sends
2711 * some code to stop the str or esc command, then st
2712 * will stop responding. But this is better than
2713 * silently failing with unknown characters. At least
2714 * then users will report back.
2716 * In the case users ever get fixed, here is the code:
2727 * Actions of control codes must be performed as soon they arrive
2728 * because they can be embedded inside a control sequence, and
2729 * they must not cause conflicts with sequences.
2732 tcontrolcode(ascii);
2734 * control codes are not shown ever
2737 } else if(term.esc & ESC_START) {
2738 if(term.esc & ESC_CSI) {
2739 csiescseq.buf[csiescseq.len++] = ascii;
2740 if(BETWEEN(ascii, 0x40, 0x7E)
2741 || csiescseq.len >= \
2742 sizeof(csiescseq.buf)-1) {
2748 } else if(term.esc & ESC_ALTCHARSET) {
2750 } else if(term.esc & ESC_TEST) {
2753 if (!eschandle(ascii))
2755 /* sequence already finished */
2759 * All characters which form part of a sequence are not
2764 if(sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
2767 gp = &term.line[term.c.y][term.c.x];
2768 if(IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
2769 gp->mode |= ATTR_WRAP;
2771 gp = &term.line[term.c.y][term.c.x];
2774 if(IS_SET(MODE_INSERT) && term.c.x+width < term.col)
2775 memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph));
2777 if(term.c.x+width > term.col) {
2779 gp = &term.line[term.c.y][term.c.x];
2782 tsetchar(c, &term.c.attr, term.c.x, term.c.y);
2785 gp->mode |= ATTR_WIDE;
2786 if(term.c.x+1 < term.col) {
2788 gp[1].mode = ATTR_WDUMMY;
2791 if(term.c.x+width < term.col) {
2792 tmoveto(term.c.x+width, term.c.y);
2794 term.c.state |= CURSOR_WRAPNEXT;
2799 tresize(int col, int row) {
2801 int minrow = MIN(row, term.row);
2802 int mincol = MIN(col, term.col);
2806 if(col < 1 || row < 1) {
2808 "tresize: error resizing to %dx%d\n", col, row);
2813 * slide screen to keep cursor where we expect it -
2814 * tscrollup would work here, but we can optimize to
2815 * memmove because we're freeing the earlier lines
2817 for(i = 0; i <= term.c.y - row; i++) {
2821 /* ensure that both src and dst are not NULL */
2823 memmove(term.line, term.line + i, row * sizeof(Line));
2824 memmove(term.alt, term.alt + i, row * sizeof(Line));
2826 for(i += row; i < term.row; i++) {
2831 /* resize to new height */
2832 term.line = xrealloc(term.line, row * sizeof(Line));
2833 term.alt = xrealloc(term.alt, row * sizeof(Line));
2834 term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
2835 term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
2837 /* resize each row to new width, zero-pad if needed */
2838 for(i = 0; i < minrow; i++) {
2839 term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
2840 term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph));
2843 /* allocate any new rows */
2844 for(/* i == minrow */; i < row; i++) {
2845 term.line[i] = xmalloc(col * sizeof(Glyph));
2846 term.alt[i] = xmalloc(col * sizeof(Glyph));
2848 if(col > term.col) {
2849 bp = term.tabs + term.col;
2851 memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
2852 while(--bp > term.tabs && !*bp)
2854 for(bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
2857 /* update terminal size */
2860 /* reset scrolling region */
2861 tsetscroll(0, row-1);
2862 /* make use of the LIMIT in tmoveto */
2863 tmoveto(term.c.x, term.c.y);
2864 /* Clearing both screens (it makes dirty all lines) */
2866 for(i = 0; i < 2; i++) {
2867 if(mincol < col && 0 < minrow) {
2868 tclearregion(mincol, 0, col - 1, minrow - 1);
2870 if(0 < col && minrow < row) {
2871 tclearregion(0, minrow, col - 1, row - 1);
2874 tcursor(CURSOR_LOAD);
2880 xresize(int col, int row) {
2881 xw.tw = MAX(1, col * xw.cw);
2882 xw.th = MAX(1, row * xw.ch);
2884 XFreePixmap(xw.dpy, xw.buf);
2885 xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
2886 DefaultDepth(xw.dpy, xw.scr));
2887 XftDrawChange(xw.draw, xw.buf);
2888 xclear(0, 0, xw.w, xw.h);
2892 sixd_to_16bit(int x) {
2893 return x == 0 ? 0 : 0x3737 + 0x2828 * x;
2897 xloadcolor(int i, const char *name, Color *ncolor) {
2898 XRenderColor color = { .alpha = 0xffff };
2901 if(BETWEEN(i, 16, 255)) { /* 256 color */
2902 if(i < 6*6*6+16) { /* same colors as xterm */
2903 color.red = sixd_to_16bit( ((i-16)/36)%6 );
2904 color.green = sixd_to_16bit( ((i-16)/6) %6 );
2905 color.blue = sixd_to_16bit( ((i-16)/1) %6 );
2906 } else { /* greyscale */
2907 color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16));
2908 color.green = color.blue = color.red;
2910 return XftColorAllocValue(xw.dpy, xw.vis,
2911 xw.cmap, &color, ncolor);
2913 name = colorname[i];
2915 return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
2925 for (cp = dc.col; cp < &dc.col[LEN(dc.col)]; ++cp)
2926 XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
2929 for(i = 0; i < LEN(dc.col); i++)
2930 if(!xloadcolor(i, NULL, &dc.col[i])) {
2932 die("Could not allocate color '%s'\n", colorname[i]);
2934 die("Could not allocate color %d\n", i);
2940 xsetcolorname(int x, const char *name) {
2943 if(!BETWEEN(x, 0, LEN(dc.col)))
2947 if(!xloadcolor(x, name, &ncolor))
2950 XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
2956 xtermclear(int col1, int row1, int col2, int row2) {
2957 XftDrawRect(xw.draw,
2958 &dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
2959 borderpx + col1 * xw.cw,
2960 borderpx + row1 * xw.ch,
2961 (col2-col1+1) * xw.cw,
2962 (row2-row1+1) * xw.ch);
2966 * Absolute coordinates.
2969 xclear(int x1, int y1, int x2, int y2) {
2970 XftDrawRect(xw.draw,
2971 &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
2972 x1, y1, x2-x1, y2-y1);
2977 XClassHint class = {opt_class ? opt_class : termname, termname};
2978 XWMHints wm = {.flags = InputHint, .input = 1};
2979 XSizeHints *sizeh = NULL;
2981 sizeh = XAllocSizeHints();
2983 sizeh->flags = PSize | PResizeInc | PBaseSize;
2984 sizeh->height = xw.h;
2985 sizeh->width = xw.w;
2986 sizeh->height_inc = xw.ch;
2987 sizeh->width_inc = xw.cw;
2988 sizeh->base_height = 2 * borderpx;
2989 sizeh->base_width = 2 * borderpx;
2990 if(xw.isfixed == True) {
2991 sizeh->flags |= PMaxSize | PMinSize;
2992 sizeh->min_width = sizeh->max_width = xw.w;
2993 sizeh->min_height = sizeh->max_height = xw.h;
2995 if(xw.gm & (XValue|YValue)) {
2996 sizeh->flags |= USPosition | PWinGravity;
2999 sizeh->win_gravity = xgeommasktogravity(xw.gm);
3002 XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm,
3008 xgeommasktogravity(int mask) {
3009 switch(mask & (XNegative|YNegative)) {
3011 return NorthWestGravity;
3013 return NorthEastGravity;
3015 return SouthWestGravity;
3017 return SouthEastGravity;
3021 xloadfont(Font *f, FcPattern *pattern) {
3025 match = FcFontMatch(NULL, pattern, &result);
3029 if(!(f->match = XftFontOpenPattern(xw.dpy, match))) {
3030 FcPatternDestroy(match);
3035 f->pattern = FcPatternDuplicate(pattern);
3037 f->ascent = f->match->ascent;
3038 f->descent = f->match->descent;
3040 f->rbearing = f->match->max_advance_width;
3042 f->height = f->ascent + f->descent;
3043 f->width = f->lbearing + f->rbearing;
3049 xloadfonts(char *fontstr, double fontsize) {
3051 FcResult r_sz, r_psz;
3055 if(fontstr[0] == '-') {
3056 pattern = XftXlfdParse(fontstr, False, False);
3058 pattern = FcNameParse((FcChar8 *)fontstr);
3062 die("st: can't open font %s\n", fontstr);
3065 FcPatternDel(pattern, FC_PIXEL_SIZE);
3066 FcPatternDel(pattern, FC_SIZE);
3067 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
3068 usedfontsize = fontsize;
3070 r_psz = FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval);
3071 r_sz = FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval);
3072 if(r_psz == FcResultMatch) {
3073 usedfontsize = fontval;
3074 } else if(r_sz == FcResultMatch) {
3078 * Default font size is 12, if none given. This is to
3079 * have a known usedfontsize value.
3081 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
3084 defaultfontsize = usedfontsize;
3087 FcConfigSubstitute(0, pattern, FcMatchPattern);
3088 FcDefaultSubstitute(pattern);
3090 if(xloadfont(&dc.font, pattern))
3091 die("st: can't open font %s\n", fontstr);
3093 if(usedfontsize < 0) {
3094 FcPatternGetDouble(dc.font.match->pattern,
3095 FC_PIXEL_SIZE, 0, &fontval);
3096 usedfontsize = fontval;
3098 defaultfontsize = fontval;
3101 /* Setting character width and height. */
3102 xw.cw = ceilf(dc.font.width * cwscale);
3103 xw.ch = ceilf(dc.font.height * chscale);
3105 FcPatternDel(pattern, FC_SLANT);
3106 FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
3107 if(xloadfont(&dc.ifont, pattern))
3108 die("st: can't open font %s\n", fontstr);
3110 FcPatternDel(pattern, FC_WEIGHT);
3111 FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
3112 if(xloadfont(&dc.ibfont, pattern))
3113 die("st: can't open font %s\n", fontstr);
3115 FcPatternDel(pattern, FC_SLANT);
3116 FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
3117 if(xloadfont(&dc.bfont, pattern))
3118 die("st: can't open font %s\n", fontstr);
3120 FcPatternDestroy(pattern);
3124 xunloadfont(Font *f) {
3125 XftFontClose(xw.dpy, f->match);
3126 FcPatternDestroy(f->pattern);
3128 FcFontSetDestroy(f->set);
3132 xunloadfonts(void) {
3133 /* Free the loaded fonts in the font cache. */
3135 XftFontClose(xw.dpy, frc[--frclen].font);
3137 xunloadfont(&dc.font);
3138 xunloadfont(&dc.bfont);
3139 xunloadfont(&dc.ifont);
3140 xunloadfont(&dc.ibfont);
3144 xzoom(const Arg *arg) {
3147 larg.i = usedfontsize + arg->i;
3152 xzoomabs(const Arg *arg) {
3154 xloadfonts(usedfont, arg->i);
3161 xzoomreset(const Arg *arg) {
3164 if(defaultfontsize > 0) {
3165 larg.i = defaultfontsize;
3175 pid_t thispid = getpid();
3177 if(!(xw.dpy = XOpenDisplay(NULL)))
3178 die("Can't open display\n");
3179 xw.scr = XDefaultScreen(xw.dpy);
3180 xw.vis = XDefaultVisual(xw.dpy, xw.scr);
3184 die("Could not init fontconfig.\n");
3186 usedfont = (opt_font == NULL)? font : opt_font;
3187 xloadfonts(usedfont, 0);
3190 xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
3193 /* adjust fixed window geometry */
3194 xw.w = 2 * borderpx + term.col * xw.cw;
3195 xw.h = 2 * borderpx + term.row * xw.ch;
3196 if(xw.gm & XNegative)
3197 xw.l += DisplayWidth(xw.dpy, xw.scr) - xw.w - 2;
3198 if(xw.gm & YNegative)
3199 xw.t += DisplayWidth(xw.dpy, xw.scr) - xw.h - 2;
3202 xw.attrs.background_pixel = dc.col[defaultbg].pixel;
3203 xw.attrs.border_pixel = dc.col[defaultbg].pixel;
3204 xw.attrs.bit_gravity = NorthWestGravity;
3205 xw.attrs.event_mask = FocusChangeMask | KeyPressMask
3206 | ExposureMask | VisibilityChangeMask | StructureNotifyMask
3207 | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
3208 xw.attrs.colormap = xw.cmap;
3210 if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
3211 parent = XRootWindow(xw.dpy, xw.scr);
3212 xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
3213 xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
3214 xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
3215 | CWEventMask | CWColormap, &xw.attrs);
3217 memset(&gcvalues, 0, sizeof(gcvalues));
3218 gcvalues.graphics_exposures = False;
3219 dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
3221 xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
3222 DefaultDepth(xw.dpy, xw.scr));
3223 XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
3224 XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
3226 /* Xft rendering context */
3227 xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
3230 if((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
3231 XSetLocaleModifiers("@im=local");
3232 if((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
3233 XSetLocaleModifiers("@im=");
3234 if((xw.xim = XOpenIM(xw.dpy,
3235 NULL, NULL, NULL)) == NULL) {
3236 die("XOpenIM failed. Could not open input"
3241 xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
3242 | XIMStatusNothing, XNClientWindow, xw.win,
3243 XNFocusWindow, xw.win, NULL);
3245 die("XCreateIC failed. Could not obtain input method.\n");
3247 /* white cursor, black outline */
3248 cursor = XCreateFontCursor(xw.dpy, XC_xterm);
3249 XDefineCursor(xw.dpy, xw.win, cursor);
3250 XRecolorCursor(xw.dpy, cursor,
3251 &(XColor){.red = 0xffff, .green = 0xffff, .blue = 0xffff},
3252 &(XColor){.red = 0x0000, .green = 0x0000, .blue = 0x0000});
3254 xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
3255 xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
3256 xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
3257 XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
3259 xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
3260 XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
3261 PropModeReplace, (uchar *)&thispid, 1);
3264 XMapWindow(xw.dpy, xw.win);
3266 XSync(xw.dpy, False);
3270 xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
3271 int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
3272 width = charlen * xw.cw, xp, i;
3273 int frcflags, charexists;
3274 int u8fl, u8fblen, u8cblen, doesexist;
3277 Font *font = &dc.font;
3279 FcPattern *fcpattern, *fontpattern;
3280 FcFontSet *fcsets[] = { NULL };
3281 FcCharSet *fccharset;
3282 Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
3283 XRenderColor colfg, colbg;
3287 frcflags = FRC_NORMAL;
3289 if(base.mode & ATTR_ITALIC) {
3290 if(base.fg == defaultfg)
3291 base.fg = defaultitalic;
3293 frcflags = FRC_ITALIC;
3294 } else if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD)) {
3295 if(base.fg == defaultfg)
3296 base.fg = defaultitalic;
3298 frcflags = FRC_ITALICBOLD;
3299 } else if(base.mode & ATTR_UNDERLINE) {
3300 if(base.fg == defaultfg)
3301 base.fg = defaultunderline;
3304 if(IS_TRUECOL(base.fg)) {
3305 colfg.alpha = 0xffff;
3306 colfg.red = TRUERED(base.fg);
3307 colfg.green = TRUEGREEN(base.fg);
3308 colfg.blue = TRUEBLUE(base.fg);
3309 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
3312 fg = &dc.col[base.fg];
3315 if(IS_TRUECOL(base.bg)) {
3316 colbg.alpha = 0xffff;
3317 colbg.green = TRUEGREEN(base.bg);
3318 colbg.red = TRUERED(base.bg);
3319 colbg.blue = TRUEBLUE(base.bg);
3320 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
3323 bg = &dc.col[base.bg];
3326 if(base.mode & ATTR_BOLD) {
3328 * change basic system colors [0-7]
3329 * to bright system colors [8-15]
3331 if(BETWEEN(base.fg, 0, 7) && !(base.mode & ATTR_FAINT))
3332 fg = &dc.col[base.fg + 8];
3334 if(base.mode & ATTR_ITALIC) {
3336 frcflags = FRC_ITALICBOLD;
3339 frcflags = FRC_BOLD;
3343 if(IS_SET(MODE_REVERSE)) {
3344 if(fg == &dc.col[defaultfg]) {
3345 fg = &dc.col[defaultbg];
3347 colfg.red = ~fg->color.red;
3348 colfg.green = ~fg->color.green;
3349 colfg.blue = ~fg->color.blue;
3350 colfg.alpha = fg->color.alpha;
3351 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
3356 if(bg == &dc.col[defaultbg]) {
3357 bg = &dc.col[defaultfg];
3359 colbg.red = ~bg->color.red;
3360 colbg.green = ~bg->color.green;
3361 colbg.blue = ~bg->color.blue;
3362 colbg.alpha = bg->color.alpha;
3363 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
3369 if(base.mode & ATTR_REVERSE) {
3375 if(base.mode & ATTR_FAINT && !(base.mode & ATTR_BOLD)) {
3376 colfg.red = fg->color.red / 2;
3377 colfg.green = fg->color.green / 2;
3378 colfg.blue = fg->color.blue / 2;
3379 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
3383 if(base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
3386 if(base.mode & ATTR_INVISIBLE)
3389 /* Intelligent cleaning up of the borders. */
3391 xclear(0, (y == 0)? 0 : winy, borderpx,
3392 winy + xw.ch + ((y >= term.row-1)? xw.h : 0));
3394 if(x + charlen >= term.col) {
3395 xclear(winx + width, (y == 0)? 0 : winy, xw.w,
3396 ((y >= term.row-1)? xw.h : (winy + xw.ch)));
3399 xclear(winx, 0, winx + width, borderpx);
3401 xclear(winx, winy + xw.ch, winx + width, xw.h);
3403 /* Clean up the region we want to draw to. */
3404 XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
3406 /* Set the clip region because Xft is sometimes dirty. */
3411 XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
3413 for(xp = winx; bytelen > 0;) {
3415 * Search for the range in the to be printed string of glyphs
3416 * that are in the main font. Then print that range. If
3417 * some glyph is found that is not in the font, do the
3423 oneatatime = font->width != xw.cw;
3426 u8cblen = utf8decode(s, &unicodep, UTF_SIZ);
3430 doesexist = XftCharExists(xw.dpy, font->match, unicodep);
3434 if(!oneatatime && bytelen > 0)
3439 XftDrawStringUtf8(xw.draw, fg,
3441 winy + font->ascent,
3454 /* Search the font cache. */
3455 for(i = 0; i < frclen; i++) {
3456 charexists = XftCharExists(xw.dpy, frc[i].font, unicodep);
3457 /* Everything correct. */
3458 if(charexists && frc[i].flags == frcflags)
3460 /* We got a default font for a not found glyph. */
3461 if(!charexists && frc[i].flags == frcflags \
3462 && frc[i].unicodep == unicodep) {
3467 /* Nothing was found. */
3470 font->set = FcFontSort(0, font->pattern,
3472 fcsets[0] = font->set;
3475 * Nothing was found in the cache. Now use
3476 * some dozen of Fontconfig calls to get the
3477 * font for one single character.
3479 * Xft and fontconfig are design failures.
3481 fcpattern = FcPatternDuplicate(font->pattern);
3482 fccharset = FcCharSetCreate();
3484 FcCharSetAddChar(fccharset, unicodep);
3485 FcPatternAddCharSet(fcpattern, FC_CHARSET,
3487 FcPatternAddBool(fcpattern, FC_SCALABLE,
3490 FcConfigSubstitute(0, fcpattern,
3492 FcDefaultSubstitute(fcpattern);
3494 fontpattern = FcFontSetMatch(0, fcsets, 1,
3498 * Overwrite or create the new cache entry.
3500 if(frclen >= LEN(frc)) {
3501 frclen = LEN(frc) - 1;
3502 XftFontClose(xw.dpy, frc[frclen].font);
3503 frc[frclen].unicodep = 0;
3506 frc[frclen].font = XftFontOpenPattern(xw.dpy,
3508 frc[frclen].flags = frcflags;
3509 frc[frclen].unicodep = unicodep;
3514 FcPatternDestroy(fcpattern);
3515 FcCharSetDestroy(fccharset);
3518 XftDrawStringUtf8(xw.draw, fg, frc[i].font,
3519 xp, winy + frc[i].font->ascent,
3520 (FcChar8 *)u8c, u8cblen);
3522 xp += xw.cw * wcwidth(unicodep);
3526 * This is how the loop above actually should be. Why does the
3527 * application have to care about font details?
3529 * I have to repeat: Xft and Fontconfig are design failures.
3532 XftDrawStringUtf8(xw.draw, fg, font->set, winx,
3533 winy + font->ascent, (FcChar8 *)s, bytelen);
3536 if(base.mode & ATTR_UNDERLINE) {
3537 XftDrawRect(xw.draw, fg, winx, winy + font->ascent + 1,
3541 if(base.mode & ATTR_STRUCK) {
3542 XftDrawRect(xw.draw, fg, winx, winy + 2 * font->ascent / 3,
3546 /* Reset clip to none. */
3547 XftDrawSetClip(xw.draw, 0);
3551 xdrawglyph(Glyph g, int x, int y) {
3552 static char buf[UTF_SIZ];
3553 size_t len = utf8encode(g.u, buf);
3554 int width = g.mode & ATTR_WIDE ? 2 : 1;
3556 xdraws(buf, g, x, y, width, len);
3561 static int oldx = 0, oldy = 0;
3563 Glyph g = {' ', ATTR_NULL, defaultbg, defaultcs};
3565 LIMIT(oldx, 0, term.col-1);
3566 LIMIT(oldy, 0, term.row-1);
3570 /* adjust position if in dummy */
3571 if(term.line[oldy][oldx].mode & ATTR_WDUMMY)
3573 if(term.line[term.c.y][curx].mode & ATTR_WDUMMY)
3576 g.u = term.line[term.c.y][term.c.x].u;
3578 /* remove the old cursor */
3579 xdrawglyph(term.line[oldy][oldx], oldx, oldy);
3581 if(IS_SET(MODE_HIDE))
3584 /* draw the new one */
3585 if(xw.state & WIN_FOCUSED) {
3586 switch (xw.cursor) {
3587 case 0: /* Blinking Block */
3588 case 1: /* Blinking Block (Default) */
3589 case 2: /* Steady Block */
3590 if(IS_SET(MODE_REVERSE)) {
3591 g.mode |= ATTR_REVERSE;
3596 g.mode |= term.line[term.c.y][curx].mode & ATTR_WIDE;
3597 xdrawglyph(g, term.c.x, term.c.y);
3599 case 3: /* Blinking Underline */
3600 case 4: /* Steady Underline */
3601 XftDrawRect(xw.draw, &dc.col[defaultcs],
3602 borderpx + curx * xw.cw,
3603 borderpx + (term.c.y + 1) * xw.ch - cursorthickness,
3604 xw.cw, cursorthickness);
3606 case 5: /* Blinking bar */
3607 case 6: /* Steady bar */
3608 XftDrawRect(xw.draw, &dc.col[defaultcs],
3609 borderpx + curx * xw.cw,
3610 borderpx + term.c.y * xw.ch,
3611 cursorthickness, xw.ch);
3615 XftDrawRect(xw.draw, &dc.col[defaultcs],
3616 borderpx + curx * xw.cw,
3617 borderpx + term.c.y * xw.ch,
3619 XftDrawRect(xw.draw, &dc.col[defaultcs],
3620 borderpx + curx * xw.cw,
3621 borderpx + term.c.y * xw.ch,
3623 XftDrawRect(xw.draw, &dc.col[defaultcs],
3624 borderpx + (curx + 1) * xw.cw - 1,
3625 borderpx + term.c.y * xw.ch,
3627 XftDrawRect(xw.draw, &dc.col[defaultcs],
3628 borderpx + curx * xw.cw,
3629 borderpx + (term.c.y + 1) * xw.ch - 1,
3632 oldx = curx, oldy = term.c.y;
3637 xsettitle(char *p) {
3640 Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
3642 XSetWMName(xw.dpy, xw.win, &prop);
3643 XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
3649 xsettitle(opt_title ? opt_title : "st");
3660 drawregion(0, 0, term.col, term.row);
3661 XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.w,
3663 XSetForeground(xw.dpy, dc.gc,
3664 dc.col[IS_SET(MODE_REVERSE)?
3665 defaultfg : defaultbg].pixel);
3669 drawregion(int x1, int y1, int x2, int y2) {
3670 int ic, ib, x, y, ox;
3672 char buf[DRAW_BUF_SIZ];
3673 bool ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
3675 if(!(xw.state & WIN_VISIBLE))
3678 for(y = y1; y < y2; y++) {
3682 xtermclear(0, y, term.col, y);
3684 base = term.line[y][0];
3686 for(x = x1; x < x2; x++) {
3687 new = term.line[y][x];
3688 if(new.mode == ATTR_WDUMMY)
3690 if(ena_sel && selected(x, y))
3691 new.mode ^= ATTR_REVERSE;
3692 if(ib > 0 && (ATTRCMP(base, new)
3693 || ib >= DRAW_BUF_SIZ-UTF_SIZ)) {
3694 xdraws(buf, base, ox, y, ic, ib);
3702 ib += utf8encode(new.u, buf+ib);
3703 ic += (new.mode & ATTR_WIDE)? 2 : 1;
3706 xdraws(buf, base, ox, y, ic, ib);
3712 expose(XEvent *ev) {
3717 visibility(XEvent *ev) {
3718 XVisibilityEvent *e = &ev->xvisibility;
3720 MODBIT(xw.state, e->state != VisibilityFullyObscured, WIN_VISIBLE);
3725 xw.state &= ~WIN_VISIBLE;
3729 xsetpointermotion(int set) {
3730 MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
3731 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
3735 xseturgency(int add) {
3736 XWMHints *h = XGetWMHints(xw.dpy, xw.win);
3738 MODBIT(h->flags, add, XUrgencyHint);
3739 XSetWMHints(xw.dpy, xw.win, h);
3745 XFocusChangeEvent *e = &ev->xfocus;
3747 if(e->mode == NotifyGrab)
3750 if(ev->type == FocusIn) {
3751 XSetICFocus(xw.xic);
3752 xw.state |= WIN_FOCUSED;
3754 if(IS_SET(MODE_FOCUS))
3755 ttywrite("\033[I", 3);
3757 XUnsetICFocus(xw.xic);
3758 xw.state &= ~WIN_FOCUSED;
3759 if(IS_SET(MODE_FOCUS))
3760 ttywrite("\033[O", 3);
3765 match(uint mask, uint state) {
3766 return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
3770 numlock(const Arg *dummy) {
3775 kmap(KeySym k, uint state) {
3779 /* Check for mapped keys out of X11 function keys. */
3780 for(i = 0; i < LEN(mappedkeys); i++) {
3781 if(mappedkeys[i] == k)
3784 if(i == LEN(mappedkeys)) {
3785 if((k & 0xFFFF) < 0xFD00)
3789 for(kp = key; kp < key + LEN(key); kp++) {
3793 if(!match(kp->mask, state))
3796 if(IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
3798 if(term.numlock && kp->appkey == 2)
3801 if(IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
3804 if(IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0)
3814 kpress(XEvent *ev) {
3815 XKeyEvent *e = &ev->xkey;
3817 char buf[32], *customkey;
3823 if(IS_SET(MODE_KBDLOCK))
3826 len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);
3828 for(bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
3829 if(ksym == bp->keysym && match(bp->mod, e->state)) {
3830 bp->func(&(bp->arg));
3835 /* 2. custom keys from config.h */
3836 if((customkey = kmap(ksym, e->state))) {
3837 ttysend(customkey, strlen(customkey));
3841 /* 3. composed string from input method */
3844 if(len == 1 && e->state & Mod1Mask) {
3845 if(IS_SET(MODE_8BIT)) {
3848 len = utf8encode(c, buf);
3861 cmessage(XEvent *e) {
3864 * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
3866 if(e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
3867 if(e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
3868 xw.state |= WIN_FOCUSED;
3870 } else if(e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
3871 xw.state &= ~WIN_FOCUSED;
3873 } else if(e->xclient.data.l[0] == xw.wmdeletewin) {
3874 /* Send SIGHUP to shell */
3881 cresize(int width, int height) {
3889 col = (xw.w - 2 * borderpx) / xw.cw;
3890 row = (xw.h - 2 * borderpx) / xw.ch;
3899 if(e->xconfigure.width == xw.w && e->xconfigure.height == xw.h)
3902 cresize(e->xconfigure.width, e->xconfigure.height);
3908 int w = xw.w, h = xw.h;
3910 int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
3911 struct timespec drawtimeout, *tv = NULL, now, last, lastblink;
3914 /* Waiting for window mapping */
3916 XNextEvent(xw.dpy, &ev);
3917 if(ev.type == ConfigureNotify) {
3918 w = ev.xconfigure.width;
3919 h = ev.xconfigure.height;
3921 } while(ev.type != MapNotify);
3926 clock_gettime(CLOCK_MONOTONIC, &last);
3929 for(xev = actionfps;;) {
3931 FD_SET(cmdfd, &rfd);
3934 if(pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
3937 die("select failed: %s\n", strerror(errno));
3939 if(FD_ISSET(cmdfd, &rfd)) {
3942 blinkset = tattrset(ATTR_BLINK);
3944 MODBIT(term.mode, 0, MODE_BLINK);
3948 if(FD_ISSET(xfd, &rfd))
3951 clock_gettime(CLOCK_MONOTONIC, &now);
3952 drawtimeout.tv_sec = 0;
3953 drawtimeout.tv_nsec = (1000 * 1E6)/ xfps;
3957 if(blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
3958 tsetdirtattr(ATTR_BLINK);
3959 term.mode ^= MODE_BLINK;
3963 deltatime = TIMEDIFF(now, last);
3964 if(deltatime > 1000 / (xev ? xfps : actionfps)) {
3970 while(XPending(xw.dpy)) {
3971 XNextEvent(xw.dpy, &ev);
3972 if(XFilterEvent(&ev, None))
3974 if(handler[ev.type])
3975 (handler[ev.type])(&ev);
3981 if(xev && !FD_ISSET(xfd, &rfd))
3983 if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
3985 if(TIMEDIFF(now, lastblink) \
3987 drawtimeout.tv_nsec = 1000;
3989 drawtimeout.tv_nsec = (1E6 * \
3994 drawtimeout.tv_sec = \
3995 drawtimeout.tv_nsec / 1E9;
3996 drawtimeout.tv_nsec %= (long)1E9;
4007 die("%s " VERSION " (c) 2010-2015 st engineers\n"
4008 "usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]\n"
4009 " [-i] [-t title] [-w windowid] [-e command ...] [command ...]\n"
4010 " st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]\n"
4011 " [-i] [-t title] [-w windowid] [-l line] [stty_args ...]\n",
4016 main(int argc, char *argv[]) {
4017 uint cols = 80, rows = 24;
4025 allowaltscreen = false;
4028 opt_class = EARGF(usage());
4035 opt_font = EARGF(usage());
4038 xw.gm = XParseGeometry(EARGF(usage()),
4039 &xw.l, &xw.t, &cols, &rows);
4045 opt_io = EARGF(usage());
4048 opt_line = EARGF(usage());
4051 opt_title = EARGF(usage());
4054 opt_embed = EARGF(usage());
4063 /* eat all remaining arguments */
4065 if(!opt_title && !opt_line)
4066 opt_title = basename(xstrdup(argv[0]));
4068 setlocale(LC_CTYPE, "");
4069 XSetLocaleModifiers("");
4070 tnew(MAX(cols, 1), MAX(rows, 1));