1 /* See LICENSE for license details. */
14 #include <sys/ioctl.h>
15 #include <sys/select.h>
18 #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 XK_ANY_MOD UINT_MAX
63 #define XK_SWITCH_MOD (1<<13)
66 #define MIN(a, b) ((a) < (b) ? (a) : (b))
67 #define MAX(a, b) ((a) < (b) ? (b) : (a))
68 #define LEN(a) (sizeof(a) / sizeof(a)[0])
69 #define DEFAULT(a, b) (a) = (a) ? (a) : (b)
70 #define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
71 #define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177')
72 #define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
73 #define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
74 #define ISDELIM(u) (utf8strchr(worddelimiters, u) != NULL)
75 #define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
76 #define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || \
78 #define IS_SET(flag) ((term.mode & (flag)) != 0)
79 #define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + \
80 (t1.tv_nsec-t2.tv_nsec)/1E6)
81 #define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
83 #define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
84 #define IS_TRUECOL(x) (1 << 24 & (x))
85 #define TRUERED(x) (((x) & 0xff0000) >> 8)
86 #define TRUEGREEN(x) (((x) & 0xff00))
87 #define TRUEBLUE(x) (((x) & 0xff) << 8)
90 enum glyph_attribute {
95 ATTR_UNDERLINE = 1 << 3,
97 ATTR_REVERSE = 1 << 5,
98 ATTR_INVISIBLE = 1 << 6,
102 ATTR_WDUMMY = 1 << 10,
103 ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
106 enum cursor_movement {
119 MODE_INSERT = 1 << 1,
120 MODE_APPKEYPAD = 1 << 2,
121 MODE_ALTSCREEN = 1 << 3,
123 MODE_MOUSEBTN = 1 << 5,
124 MODE_MOUSEMOTION = 1 << 6,
125 MODE_REVERSE = 1 << 7,
126 MODE_KBDLOCK = 1 << 8,
129 MODE_APPCURSOR = 1 << 11,
130 MODE_MOUSESGR = 1 << 12,
132 MODE_BLINK = 1 << 14,
133 MODE_FBLINK = 1 << 15,
134 MODE_FOCUS = 1 << 16,
135 MODE_MOUSEX10 = 1 << 17,
136 MODE_MOUSEMANY = 1 << 18,
137 MODE_BRCKTPASTE = 1 << 19,
138 MODE_PRINT = 1 << 20,
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 */
167 enum selection_mode {
173 enum selection_type {
178 enum selection_snap {
183 typedef unsigned char uchar;
184 typedef unsigned int uint;
185 typedef unsigned long ulong;
186 typedef unsigned short ushort;
188 typedef uint_least32_t Rune;
190 typedef XftDraw *Draw;
191 typedef XftColor Color;
194 Rune u; /* character code */
195 ushort mode; /* attribute flags */
196 uint32_t fg; /* foreground */
197 uint32_t bg; /* background */
203 Glyph attr; /* current char attributes */
209 /* CSI Escape sequence structs */
210 /* ESC '[' [[ [<priv>] <arg> [;]] <mode> [<mode>]] */
212 char buf[ESC_BUF_SIZ]; /* raw string */
213 int len; /* raw string length */
215 int arg[ESC_ARG_SIZ];
216 int narg; /* nb of args */
220 /* STR Escape sequence structs */
221 /* ESC type [[ [<priv>] <arg> [;]] <mode>] ESC '\' */
223 char type; /* ESC type ... */
224 char buf[STR_BUF_SIZ]; /* raw string */
225 int len; /* raw string length */
226 char *args[STR_ARG_SIZ];
227 int narg; /* nb of args */
230 /* Internal representation of the screen */
232 int row; /* nb row */
233 int col; /* nb col */
234 Line *line; /* screen */
235 Line *alt; /* alternate screen */
236 int *dirty; /* dirtyness of lines */
237 XftGlyphFontSpec *specbuf; /* font spec buffer used for rendering */
238 TCursor c; /* cursor */
239 int top; /* top scroll limit */
240 int bot; /* bottom scroll limit */
241 int mode; /* terminal mode flags */
242 int esc; /* escape state flags */
243 char trantbl[4]; /* charset table translation */
244 int charset; /* current charset */
245 int icharset; /* selected charset for sequence */
246 int numlock; /* lock numbers in keyboard */
250 /* Purely graphic info */
256 Atom xembed, wmdeletewin, netwmname, netwmpid;
261 XSetWindowAttributes attrs;
263 int isfixed; /* is fixed geometry? */
264 int l, t; /* left and top offset */
265 int gm; /* geometry mask */
266 int tw, th; /* tty width and height */
267 int w, h; /* window width and height */
268 int ch; /* char height */
269 int cw; /* char width */
270 char state; /* focus, redraw, visible */
271 int cursor; /* cursor style */
284 /* three valued logic variables: 0 indifferent, 1 on, -1 off */
285 signed char appkey; /* application keypad */
286 signed char appcursor; /* application cursor */
287 signed char crlf; /* crlf mode */
295 * Selection variables:
296 * nb – normalized coordinates of the beginning of the selection
297 * ne – normalized coordinates of the end of the selection
298 * ob – original coordinates of the beginning of the selection
299 * oe – original coordinates of the end of the selection
305 char *primary, *clipboard;
308 struct timespec tclick1;
309 struct timespec tclick2;
322 void (*func)(const Arg *);
326 /* function definitions used in config.h */
327 static void clipcopy(const Arg *);
328 static void clippaste(const Arg *);
329 static void numlock(const Arg *);
330 static void selpaste(const Arg *);
331 static void xzoom(const Arg *);
332 static void xzoomabs(const Arg *);
333 static void xzoomreset(const Arg *);
334 static void printsel(const Arg *);
335 static void printscreen(const Arg *) ;
336 static void toggleprinter(const Arg *);
337 static void sendbreak(const Arg *);
339 /* Config.h for applying patches and the configuration. */
355 /* Drawing Context */
357 Color col[MAX(LEN(colorname), 256)];
358 Font font, bfont, ifont, ibfont;
362 static void die(const char *, ...);
363 static void draw(void);
364 static void redraw(void);
365 static void drawregion(int, int, int, int);
366 static void execsh(void);
367 static void stty(void);
368 static void sigchld(int);
369 static void run(void);
371 static void csidump(void);
372 static void csihandle(void);
373 static void csiparse(void);
374 static void csireset(void);
375 static int eschandle(uchar);
376 static void strdump(void);
377 static void strhandle(void);
378 static void strparse(void);
379 static void strreset(void);
381 static int tattrset(int);
382 static void tprinter(char *, size_t);
383 static void tdumpsel(void);
384 static void tdumpline(int);
385 static void tdump(void);
386 static void tclearregion(int, int, int, int);
387 static void tcursor(int);
388 static void tdeletechar(int);
389 static void tdeleteline(int);
390 static void tinsertblank(int);
391 static void tinsertblankline(int);
392 static int tlinelen(int);
393 static void tmoveto(int, int);
394 static void tmoveato(int, int);
395 static void tnew(int, int);
396 static void tnewline(int);
397 static void tputtab(int);
398 static void tputc(Rune);
399 static void treset(void);
400 static void tresize(int, int);
401 static void tscrollup(int, int);
402 static void tscrolldown(int, int);
403 static void tsetattr(int *, int);
404 static void tsetchar(Rune, Glyph *, int, int);
405 static void tsetscroll(int, int);
406 static void tswapscreen(void);
407 static void tsetdirt(int, int);
408 static void tsetdirtattr(int);
409 static void tsetmode(int, int, int *, int);
410 static void tfulldirt(void);
411 static void techo(Rune);
412 static void tcontrolcode(uchar );
413 static void tdectest(char );
414 static int32_t tdefcolor(int *, int *, int);
415 static void tdeftran(char);
416 static inline int match(uint, uint);
417 static void ttynew(void);
418 static void ttyread(void);
419 static void ttyresize(void);
420 static void ttysend(char *, size_t);
421 static void ttywrite(const char *, size_t);
422 static void tstrsequence(uchar);
424 static inline ushort sixd_to_16bit(int);
425 static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
426 static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
427 static void xdrawglyph(Glyph, int, int);
428 static void xhints(void);
429 static void xclear(int, int, int, int);
430 static void xdrawcursor(void);
431 static void xinit(void);
432 static void xloadcols(void);
433 static int xsetcolorname(int, const char *);
434 static int xgeommasktogravity(int);
435 static int xloadfont(Font *, FcPattern *);
436 static void xloadfonts(char *, double);
437 static void xsettitle(char *);
438 static void xresettitle(void);
439 static void xsetpointermotion(int);
440 static void xseturgency(int);
441 static void xsetsel(char *, Time);
442 static void xtermclear(int, int, int, int);
443 static void xunloadfont(Font *);
444 static void xunloadfonts(void);
445 static void xresize(int, int);
447 static void expose(XEvent *);
448 static void visibility(XEvent *);
449 static void unmap(XEvent *);
450 static char *kmap(KeySym, uint);
451 static void kpress(XEvent *);
452 static void cmessage(XEvent *);
453 static void cresize(int, int);
454 static void resize(XEvent *);
455 static void focus(XEvent *);
456 static void brelease(XEvent *);
457 static void bpress(XEvent *);
458 static void bmotion(XEvent *);
459 static void propnotify(XEvent *);
460 static void selnotify(XEvent *);
461 static void selclear(XEvent *);
462 static void selrequest(XEvent *);
464 static void selinit(void);
465 static void selnormalize(void);
466 static inline int selected(int, int);
467 static char *getsel(void);
468 static void selcopy(Time);
469 static void selscroll(int, int);
470 static void selsnap(int *, int *, int);
471 static int x2col(int);
472 static int y2row(int);
473 static void getbuttoninfo(XEvent *);
474 static void mousereport(XEvent *);
476 static size_t utf8decode(char *, Rune *, size_t);
477 static Rune utf8decodebyte(char, size_t *);
478 static size_t utf8encode(Rune, char *);
479 static char utf8encodebyte(Rune, size_t);
480 static char *utf8strchr(char *s, Rune u);
481 static size_t utf8validate(Rune *, size_t);
483 static ssize_t xwrite(int, const char *, size_t);
484 static void *xmalloc(size_t);
485 static void *xrealloc(void *, size_t);
486 static char *xstrdup(char *);
488 static void usage(void);
490 static void (*handler[LASTEvent])(XEvent *) = {
492 [ClientMessage] = cmessage,
493 [ConfigureNotify] = resize,
494 [VisibilityNotify] = visibility,
495 [UnmapNotify] = unmap,
499 [MotionNotify] = bmotion,
500 [ButtonPress] = bpress,
501 [ButtonRelease] = brelease,
503 * Uncomment if you want the selection to disappear when you select something
504 * different in another window.
506 /* [SelectionClear] = selclear, */
507 [SelectionNotify] = selnotify,
509 * PropertyNotify is only turned on when there is some INCR transfer happening
510 * for the selection retrieval.
512 [PropertyNotify] = propnotify,
513 [SelectionRequest] = selrequest,
520 static CSIEscape csiescseq;
521 static STREscape strescseq;
524 static Selection sel;
526 static char **opt_cmd = NULL;
527 static char *opt_io = NULL;
528 static char *opt_title = NULL;
529 static char *opt_embed = NULL;
530 static char *opt_class = NULL;
531 static char *opt_font = NULL;
532 static char *opt_line = NULL;
533 static int oldbutton = 3; /* button event on startup: 3 = release */
535 static char *usedfont = NULL;
536 static double usedfontsize = 0;
537 static double defaultfontsize = 0;
539 static uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0};
540 static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
541 static Rune utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000};
542 static Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
544 /* Font Ring Cache */
558 /* Fontcache is an array now. A new font will be appended to the array. */
559 static Fontcache frc[16];
560 static int frclen = 0;
563 xwrite(int fd, const char *s, size_t len)
569 r = write(fd, s, len);
582 void *p = malloc(len);
585 die("Out of memory\n");
591 xrealloc(void *p, size_t len)
593 if ((p = realloc(p, len)) == NULL)
594 die("Out of memory\n");
602 if ((s = strdup(s)) == NULL)
603 die("Out of memory\n");
609 utf8decode(char *c, Rune *u, size_t clen)
611 size_t i, j, len, type;
617 udecoded = utf8decodebyte(c[0], &len);
618 if (!BETWEEN(len, 1, UTF_SIZ))
620 for (i = 1, j = 1; i < clen && j < len; ++i, ++j) {
621 udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type);
628 utf8validate(u, len);
634 utf8decodebyte(char c, size_t *i)
636 for (*i = 0; *i < LEN(utfmask); ++(*i))
637 if (((uchar)c & utfmask[*i]) == utfbyte[*i])
638 return (uchar)c & ~utfmask[*i];
644 utf8encode(Rune u, char *c)
648 len = utf8validate(&u, 0);
652 for (i = len - 1; i != 0; --i) {
653 c[i] = utf8encodebyte(u, 0);
656 c[0] = utf8encodebyte(u, len);
662 utf8encodebyte(Rune u, size_t i)
664 return utfbyte[i] | (u & ~utfmask[i]);
668 utf8strchr(char *s, Rune u)
674 for (i = 0, j = 0; i < len; i += j) {
675 if (!(j = utf8decode(&s[i], &r, len - i)))
685 utf8validate(Rune *u, size_t i)
687 if (!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
689 for (i = 1; *u > utfmax[i]; ++i)
698 clock_gettime(CLOCK_MONOTONIC, &sel.tclick1);
699 clock_gettime(CLOCK_MONOTONIC, &sel.tclick2);
704 sel.clipboard = NULL;
705 sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
706 if (sel.xtarget == None)
707 sel.xtarget = XA_STRING;
716 return LIMIT(x, 0, term.col-1);
725 return LIMIT(y, 0, term.row-1);
733 if (term.line[y][i - 1].mode & ATTR_WRAP)
736 while (i > 0 && term.line[y][i - 1].u == ' ')
747 if (sel.type == SEL_REGULAR && sel.ob.y != sel.oe.y) {
748 sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x;
749 sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x;
751 sel.nb.x = MIN(sel.ob.x, sel.oe.x);
752 sel.ne.x = MAX(sel.ob.x, sel.oe.x);
754 sel.nb.y = MIN(sel.ob.y, sel.oe.y);
755 sel.ne.y = MAX(sel.ob.y, sel.oe.y);
757 selsnap(&sel.nb.x, &sel.nb.y, -1);
758 selsnap(&sel.ne.x, &sel.ne.y, +1);
760 /* expand selection over line breaks */
761 if (sel.type == SEL_RECTANGULAR)
763 i = tlinelen(sel.nb.y);
766 if (tlinelen(sel.ne.y) <= sel.ne.x)
767 sel.ne.x = term.col - 1;
771 selected(int x, int y)
773 if (sel.mode == SEL_EMPTY)
776 if (sel.type == SEL_RECTANGULAR)
777 return BETWEEN(y, sel.nb.y, sel.ne.y)
778 && BETWEEN(x, sel.nb.x, sel.ne.x);
780 return BETWEEN(y, sel.nb.y, sel.ne.y)
781 && (y != sel.nb.y || x >= sel.nb.x)
782 && (y != sel.ne.y || x <= sel.ne.x);
786 selsnap(int *x, int *y, int direction)
788 int newx, newy, xt, yt;
789 int delim, prevdelim;
795 * Snap around if the word wraps around at the end or
796 * beginning of a line.
798 prevgp = &term.line[*y][*x];
799 prevdelim = ISDELIM(prevgp->u);
801 newx = *x + direction;
803 if (!BETWEEN(newx, 0, term.col - 1)) {
805 newx = (newx + term.col) % term.col;
806 if (!BETWEEN(newy, 0, term.row - 1))
812 yt = newy, xt = newx;
813 if (!(term.line[yt][xt].mode & ATTR_WRAP))
817 if (newx >= tlinelen(newy))
820 gp = &term.line[newy][newx];
821 delim = ISDELIM(gp->u);
822 if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
823 || (delim && gp->u != prevgp->u)))
834 * Snap around if the the previous line or the current one
835 * has set ATTR_WRAP at its end. Then the whole next or
836 * previous line will be selected.
838 *x = (direction < 0) ? 0 : term.col - 1;
840 for (; *y > 0; *y += direction) {
841 if (!(term.line[*y-1][term.col-1].mode
846 } else if (direction > 0) {
847 for (; *y < term.row-1; *y += direction) {
848 if (!(term.line[*y][term.col-1].mode
859 getbuttoninfo(XEvent *e)
862 uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
864 sel.alt = IS_SET(MODE_ALTSCREEN);
866 sel.oe.x = x2col(e->xbutton.x);
867 sel.oe.y = y2row(e->xbutton.y);
870 sel.type = SEL_REGULAR;
871 for (type = 1; type < LEN(selmasks); ++type) {
872 if (match(selmasks[type], state)) {
880 mousereport(XEvent *e)
882 int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
883 button = e->xbutton.button, state = e->xbutton.state,
889 if (e->xbutton.type == MotionNotify) {
890 if (x == ox && y == oy)
892 if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
894 /* MOUSE_MOTION: no reporting if no button is pressed */
895 if (IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
898 button = oldbutton + 32;
902 if (!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
909 if (e->xbutton.type == ButtonPress) {
913 } else if (e->xbutton.type == ButtonRelease) {
915 /* MODE_MOUSEX10: no button release reporting */
916 if (IS_SET(MODE_MOUSEX10))
918 if (button == 64 || button == 65)
923 if (!IS_SET(MODE_MOUSEX10)) {
924 button += ((state & ShiftMask ) ? 4 : 0)
925 + ((state & Mod4Mask ) ? 8 : 0)
926 + ((state & ControlMask) ? 16 : 0);
929 if (IS_SET(MODE_MOUSESGR)) {
930 len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
932 e->xbutton.type == ButtonRelease ? 'm' : 'M');
933 } else if (x < 223 && y < 223) {
934 len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
935 32+button, 32+x+1, 32+y+1);
949 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
954 for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
955 if (e->xbutton.button == ms->b
956 && match(ms->mask, e->xbutton.state)) {
957 ttysend(ms->s, strlen(ms->s));
962 if (e->xbutton.button == Button1) {
963 clock_gettime(CLOCK_MONOTONIC, &now);
965 /* Clear previous selection, logically and visually. */
967 sel.mode = SEL_EMPTY;
968 sel.type = SEL_REGULAR;
969 sel.oe.x = sel.ob.x = x2col(e->xbutton.x);
970 sel.oe.y = sel.ob.y = y2row(e->xbutton.y);
973 * If the user clicks below predefined timeouts specific
974 * snapping behaviour is exposed.
976 if (TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
977 sel.snap = SNAP_LINE;
978 } else if (TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
979 sel.snap = SNAP_WORD;
986 sel.mode = SEL_READY;
987 tsetdirt(sel.nb.y, sel.ne.y);
988 sel.tclick2 = sel.tclick1;
997 int y, bufsize, lastx, linelen;
1003 bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ;
1004 ptr = str = xmalloc(bufsize);
1006 /* append every set & selected glyph to the selection */
1007 for (y = sel.nb.y; y <= sel.ne.y; y++) {
1008 if ((linelen = tlinelen(y)) == 0) {
1013 if (sel.type == SEL_RECTANGULAR) {
1014 gp = &term.line[y][sel.nb.x];
1017 gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0];
1018 lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
1020 last = &term.line[y][MIN(lastx, linelen-1)];
1021 while (last >= gp && last->u == ' ')
1024 for ( ; gp <= last; ++gp) {
1025 if (gp->mode & ATTR_WDUMMY)
1028 ptr += utf8encode(gp->u, ptr);
1032 * Copy and pasting of line endings is inconsistent
1033 * in the inconsistent terminal and GUI world.
1034 * The best solution seems like to produce '\n' when
1035 * something is copied from st and convert '\n' to
1036 * '\r', when something to be pasted is received by
1038 * FIXME: Fix the computer world.
1040 if ((y < sel.ne.y || lastx >= linelen) && !(last->mode & ATTR_WRAP))
1050 xsetsel(getsel(), t);
1054 propnotify(XEvent *e)
1056 XPropertyEvent *xpev;
1057 Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
1059 xpev = &e->xproperty;
1060 if (xpev->state == PropertyNewValue &&
1061 (xpev->atom == XA_PRIMARY ||
1062 xpev->atom == clipboard)) {
1068 selnotify(XEvent *e)
1070 ulong nitems, ofs, rem;
1072 uchar *data, *last, *repl;
1073 Atom type, incratom, property;
1075 incratom = XInternAtom(xw.dpy, "INCR", 0);
1078 if (e->type == SelectionNotify) {
1079 property = e->xselection.property;
1080 } else if(e->type == PropertyNotify) {
1081 property = e->xproperty.atom;
1085 if (property == None)
1089 if (XGetWindowProperty(xw.dpy, xw.win, property, ofs,
1090 BUFSIZ/4, False, AnyPropertyType,
1091 &type, &format, &nitems, &rem,
1093 fprintf(stderr, "Clipboard allocation failed\n");
1097 if (e->type == PropertyNotify && nitems == 0 && rem == 0) {
1099 * If there is some PropertyNotify with no data, then
1100 * this is the signal of the selection owner that all
1101 * data has been transferred. We won't need to receive
1102 * PropertyNotify events anymore.
1104 MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask);
1105 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
1109 if (type == incratom) {
1111 * Activate the PropertyNotify events so we receive
1112 * when the selection owner does send us the next
1115 MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask);
1116 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
1120 * Deleting the property is the transfer start signal.
1122 XDeleteProperty(xw.dpy, xw.win, (int)property);
1127 * As seen in getsel:
1128 * Line endings are inconsistent in the terminal and GUI world
1129 * copy and pasting. When receiving some selection data,
1130 * replace all '\n' with '\r'.
1131 * FIXME: Fix the computer world.
1134 last = data + nitems * format / 8;
1135 while ((repl = memchr(repl, '\n', last - repl))) {
1139 if (IS_SET(MODE_BRCKTPASTE) && ofs == 0)
1140 ttywrite("\033[200~", 6);
1141 ttysend((char *)data, nitems * format / 8);
1142 if (IS_SET(MODE_BRCKTPASTE) && rem == 0)
1143 ttywrite("\033[201~", 6);
1145 /* number of 32-bit chunks returned */
1146 ofs += nitems * format / 32;
1150 * Deleting the property again tells the selection owner to send the
1151 * next data chunk in the property.
1153 if (e->type == PropertyNotify)
1154 XDeleteProperty(xw.dpy, xw.win, (int)property);
1158 selpaste(const Arg *dummy)
1160 XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY,
1161 xw.win, CurrentTime);
1165 clipcopy(const Arg *dummy)
1169 if (sel.clipboard != NULL)
1170 free(sel.clipboard);
1172 if (sel.primary != NULL) {
1173 sel.clipboard = xstrdup(sel.primary);
1174 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
1175 XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
1180 clippaste(const Arg *dummy)
1184 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
1185 XConvertSelection(xw.dpy, clipboard, sel.xtarget, clipboard,
1186 xw.win, CurrentTime);
1194 sel.mode = SEL_IDLE;
1196 tsetdirt(sel.nb.y, sel.ne.y);
1200 selrequest(XEvent *e)
1202 XSelectionRequestEvent *xsre;
1203 XSelectionEvent xev;
1204 Atom xa_targets, string, clipboard;
1207 xsre = (XSelectionRequestEvent *) e;
1208 xev.type = SelectionNotify;
1209 xev.requestor = xsre->requestor;
1210 xev.selection = xsre->selection;
1211 xev.target = xsre->target;
1212 xev.time = xsre->time;
1213 if (xsre->property == None)
1214 xsre->property = xsre->target;
1217 xev.property = None;
1219 xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
1220 if (xsre->target == xa_targets) {
1221 /* respond with the supported type */
1222 string = sel.xtarget;
1223 XChangeProperty(xsre->display, xsre->requestor, xsre->property,
1224 XA_ATOM, 32, PropModeReplace,
1225 (uchar *) &string, 1);
1226 xev.property = xsre->property;
1227 } else if (xsre->target == sel.xtarget || xsre->target == XA_STRING) {
1229 * xith XA_STRING non ascii characters may be incorrect in the
1230 * requestor. It is not our problem, use utf8.
1232 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
1233 if (xsre->selection == XA_PRIMARY) {
1234 seltext = sel.primary;
1235 } else if (xsre->selection == clipboard) {
1236 seltext = sel.clipboard;
1239 "Unhandled clipboard selection 0x%lx\n",
1243 if (seltext != NULL) {
1244 XChangeProperty(xsre->display, xsre->requestor,
1245 xsre->property, xsre->target,
1247 (uchar *)seltext, strlen(seltext));
1248 xev.property = xsre->property;
1252 /* all done, send a notification to the listener */
1253 if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev))
1254 fprintf(stderr, "Error sending SelectionNotify event\n");
1258 xsetsel(char *str, Time t)
1263 XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
1264 if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
1271 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
1276 if (e->xbutton.button == Button2) {
1278 } else if (e->xbutton.button == Button1) {
1279 if (sel.mode == SEL_READY) {
1281 selcopy(e->xbutton.time);
1284 sel.mode = SEL_IDLE;
1285 tsetdirt(sel.nb.y, sel.ne.y);
1292 int oldey, oldex, oldsby, oldsey;
1294 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
1302 sel.mode = SEL_READY;
1309 if (oldey != sel.oe.y || oldex != sel.oe.x)
1310 tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
1314 die(const char *errstr, ...)
1318 va_start(ap, errstr);
1319 vfprintf(stderr, errstr, ap);
1327 char **args, *sh, *prog;
1328 const struct passwd *pw;
1329 char buf[sizeof(long) * 8 + 1];
1332 if ((pw = getpwuid(getuid())) == NULL) {
1334 die("getpwuid:%s\n", strerror(errno));
1336 die("who are you?\n");
1339 if ((sh = getenv("SHELL")) == NULL)
1340 sh = (pw->pw_shell[0]) ? pw->pw_shell : shell;
1348 args = (opt_cmd) ? opt_cmd : (char *[]) {prog, NULL};
1350 snprintf(buf, sizeof(buf), "%lu", xw.win);
1352 unsetenv("COLUMNS");
1354 unsetenv("TERMCAP");
1355 setenv("LOGNAME", pw->pw_name, 1);
1356 setenv("USER", pw->pw_name, 1);
1357 setenv("SHELL", sh, 1);
1358 setenv("HOME", pw->pw_dir, 1);
1359 setenv("TERM", termname, 1);
1360 setenv("WINDOWID", buf, 1);
1362 signal(SIGCHLD, SIG_DFL);
1363 signal(SIGHUP, SIG_DFL);
1364 signal(SIGINT, SIG_DFL);
1365 signal(SIGQUIT, SIG_DFL);
1366 signal(SIGTERM, SIG_DFL);
1367 signal(SIGALRM, SIG_DFL);
1379 if ((p = waitpid(pid, &stat, WNOHANG)) < 0)
1380 die("Waiting for pid %hd failed: %s\n", pid, strerror(errno));
1385 if (!WIFEXITED(stat) || WEXITSTATUS(stat))
1386 die("child finished with error '%d'\n", stat);
1394 char cmd[_POSIX_ARG_MAX], **p, *q, *s;
1397 if ((n = strlen(stty_args)) > sizeof(cmd)-1)
1398 die("incorrect stty parameters\n");
1399 memcpy(cmd, stty_args, n);
1401 siz = sizeof(cmd) - n;
1402 for (p = opt_cmd; p && (s = *p); ++p) {
1403 if ((n = strlen(s)) > siz-1)
1404 die("stty parameter length too long\n");
1406 q = memcpy(q, s, n);
1411 if (system(cmd) != 0)
1412 perror("Couldn't call stty");
1419 struct winsize w = {term.row, term.col, 0, 0};
1422 term.mode |= MODE_PRINT;
1423 iofd = (!strcmp(opt_io, "-")) ?
1424 1 : open(opt_io, O_WRONLY | O_CREAT, 0666);
1426 fprintf(stderr, "Error opening %s:%s\n",
1427 opt_io, strerror(errno));
1432 if ((cmdfd = open(opt_line, O_RDWR)) < 0)
1433 die("open line failed: %s\n", strerror(errno));
1439 /* seems to work fine on linux, openbsd and freebsd */
1440 if (openpty(&m, &s, NULL, NULL, &w) < 0)
1441 die("openpty failed: %s\n", strerror(errno));
1443 switch (pid = fork()) {
1445 die("fork failed\n");
1449 setsid(); /* create a new process group */
1453 if (ioctl(s, TIOCSCTTY, NULL) < 0)
1454 die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
1462 signal(SIGCHLD, sigchld);
1470 static char buf[BUFSIZ];
1471 static int buflen = 0;
1473 int charsize; /* size of utf8 char in bytes */
1477 /* append read bytes to unprocessed bytes */
1478 if ((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0)
1479 die("Couldn't read from shell: %s\n", strerror(errno));
1481 /* process every complete utf8 char */
1484 while ((charsize = utf8decode(ptr, &unicodep, buflen))) {
1490 /* keep any uncomplete utf8 char for the next call */
1491 memmove(buf, ptr, buflen);
1495 ttywrite(const char *s, size_t n)
1502 * Remember that we are using a pty, which might be a modem line.
1503 * Writing too much will clog the line. That's why we are doing this
1505 * FIXME: Migrate the world to Plan 9.
1509 FD_SET(cmdfd, &wfd);
1513 /* Check if we can write. */
1514 if (pselect(cmdfd+1, NULL, &wfd, NULL, &tv, NULL) < 0) {
1517 die("select failed: %s\n", strerror(errno));
1519 if(!FD_ISSET(cmdfd, &wfd)) {
1520 /* No, then free some buffer space. */
1524 * Only write 256 bytes at maximum. This seems to be a
1525 * reasonable value for a serial line. Bigger values
1526 * might clog the I/O.
1528 r = write(cmdfd, s, (n < 256)? n : 256);
1530 die("write error on tty: %s\n",
1535 * We weren't able to write out everything.
1536 * This means the buffer is getting full
1544 /* All bytes have been written. */
1552 ttysend(char *s, size_t n)
1558 if (IS_SET(MODE_ECHO))
1559 while ((len = utf8decode(s, &u, n)) > 0) {
1571 w.ws_row = term.row;
1572 w.ws_col = term.col;
1573 w.ws_xpixel = xw.tw;
1574 w.ws_ypixel = xw.th;
1575 if (ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
1576 fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno));
1584 for (i = 0; i < term.row-1; i++) {
1585 for (j = 0; j < term.col-1; j++) {
1586 if (term.line[i][j].mode & attr)
1595 tsetdirt(int top, int bot)
1599 LIMIT(top, 0, term.row-1);
1600 LIMIT(bot, 0, term.row-1);
1602 for (i = top; i <= bot; i++)
1607 tsetdirtattr(int attr)
1611 for (i = 0; i < term.row-1; i++) {
1612 for (j = 0; j < term.col-1; j++) {
1613 if (term.line[i][j].mode & attr) {
1624 tsetdirt(0, term.row-1);
1630 static TCursor c[2];
1631 int alt = IS_SET(MODE_ALTSCREEN);
1633 if (mode == CURSOR_SAVE) {
1635 } else if (mode == CURSOR_LOAD) {
1637 tmoveto(c[alt].x, c[alt].y);
1646 term.c = (TCursor){{
1650 }, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
1652 memset(term.tabs, 0, term.col * sizeof(*term.tabs));
1653 for (i = tabspaces; i < term.col; i += tabspaces)
1656 term.bot = term.row - 1;
1657 term.mode = MODE_WRAP;
1658 memset(term.trantbl, CS_USA, sizeof(term.trantbl));
1661 for (i = 0; i < 2; i++) {
1663 tcursor(CURSOR_SAVE);
1664 tclearregion(0, 0, term.col-1, term.row-1);
1670 tnew(int col, int row)
1672 term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } };
1682 Line *tmp = term.line;
1684 term.line = term.alt;
1686 term.mode ^= MODE_ALTSCREEN;
1691 tscrolldown(int orig, int n)
1696 LIMIT(n, 0, term.bot-orig+1);
1698 tsetdirt(orig, term.bot-n);
1699 tclearregion(0, term.bot-n+1, term.col-1, term.bot);
1701 for (i = term.bot; i >= orig+n; i--) {
1702 temp = term.line[i];
1703 term.line[i] = term.line[i-n];
1704 term.line[i-n] = temp;
1711 tscrollup(int orig, int n)
1716 LIMIT(n, 0, term.bot-orig+1);
1718 tclearregion(0, orig, term.col-1, orig+n-1);
1719 tsetdirt(orig+n, term.bot);
1721 for (i = orig; i <= term.bot-n; i++) {
1722 temp = term.line[i];
1723 term.line[i] = term.line[i+n];
1724 term.line[i+n] = temp;
1727 selscroll(orig, -n);
1731 selscroll(int orig, int n)
1736 if (BETWEEN(sel.ob.y, orig, term.bot) || BETWEEN(sel.oe.y, orig, term.bot)) {
1737 if ((sel.ob.y += n) > term.bot || (sel.oe.y += n) < term.top) {
1741 if (sel.type == SEL_RECTANGULAR) {
1742 if (sel.ob.y < term.top)
1743 sel.ob.y = term.top;
1744 if (sel.oe.y > term.bot)
1745 sel.oe.y = term.bot;
1747 if (sel.ob.y < term.top) {
1748 sel.ob.y = term.top;
1751 if (sel.oe.y > term.bot) {
1752 sel.oe.y = term.bot;
1753 sel.oe.x = term.col;
1761 tnewline(int first_col)
1765 if (y == term.bot) {
1766 tscrollup(term.top, 1);
1770 tmoveto(first_col ? 0 : term.c.x, y);
1776 char *p = csiescseq.buf, *np;
1785 csiescseq.buf[csiescseq.len] = '\0';
1786 while (p < csiescseq.buf+csiescseq.len) {
1788 v = strtol(p, &np, 10);
1791 if (v == LONG_MAX || v == LONG_MIN)
1793 csiescseq.arg[csiescseq.narg++] = v;
1795 if (*p != ';' || csiescseq.narg == ESC_ARG_SIZ)
1799 csiescseq.mode[0] = *p++;
1800 csiescseq.mode[1] = (p < csiescseq.buf+csiescseq.len) ? *p : '\0';
1803 /* for absolute user moves, when decom is set */
1805 tmoveato(int x, int y)
1807 tmoveto(x, y + ((term.c.state & CURSOR_ORIGIN) ? term.top: 0));
1811 tmoveto(int x, int y)
1815 if (term.c.state & CURSOR_ORIGIN) {
1820 maxy = term.row - 1;
1822 term.c.state &= ~CURSOR_WRAPNEXT;
1823 term.c.x = LIMIT(x, 0, term.col-1);
1824 term.c.y = LIMIT(y, miny, maxy);
1828 tsetchar(Rune u, Glyph *attr, int x, int y)
1830 static char *vt100_0[62] = { /* 0x41 - 0x7e */
1831 "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
1832 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
1833 0, 0, 0, 0, 0, 0, 0, 0, /* P - W */
1834 0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */
1835 "◆", "▒", "␉", "␌", "␍", "␊", "°", "±", /* ` - g */
1836 "", "␋", "┘", "┐", "┌", "└", "┼", "⎺", /* h - o */
1837 "⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */
1838 "│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */
1842 * The table is proudly stolen from rxvt.
1844 if (term.trantbl[term.charset] == CS_GRAPHIC0 &&
1845 BETWEEN(u, 0x41, 0x7e) && vt100_0[u - 0x41])
1846 utf8decode(vt100_0[u - 0x41], &u, UTF_SIZ);
1848 if (term.line[y][x].mode & ATTR_WIDE) {
1849 if (x+1 < term.col) {
1850 term.line[y][x+1].u = ' ';
1851 term.line[y][x+1].mode &= ~ATTR_WDUMMY;
1853 } else if (term.line[y][x].mode & ATTR_WDUMMY) {
1854 term.line[y][x-1].u = ' ';
1855 term.line[y][x-1].mode &= ~ATTR_WIDE;
1859 term.line[y][x] = *attr;
1860 term.line[y][x].u = u;
1864 tclearregion(int x1, int y1, int x2, int y2)
1870 temp = x1, x1 = x2, x2 = temp;
1872 temp = y1, y1 = y2, y2 = temp;
1874 LIMIT(x1, 0, term.col-1);
1875 LIMIT(x2, 0, term.col-1);
1876 LIMIT(y1, 0, term.row-1);
1877 LIMIT(y2, 0, term.row-1);
1879 for (y = y1; y <= y2; y++) {
1881 for (x = x1; x <= x2; x++) {
1882 gp = &term.line[y][x];
1885 gp->fg = term.c.attr.fg;
1886 gp->bg = term.c.attr.bg;
1899 LIMIT(n, 0, term.col - term.c.x);
1903 size = term.col - src;
1904 line = term.line[term.c.y];
1906 memmove(&line[dst], &line[src], size * sizeof(Glyph));
1907 tclearregion(term.col-n, term.c.y, term.col-1, term.c.y);
1916 LIMIT(n, 0, term.col - term.c.x);
1920 size = term.col - dst;
1921 line = term.line[term.c.y];
1923 memmove(&line[dst], &line[src], size * sizeof(Glyph));
1924 tclearregion(src, term.c.y, dst - 1, term.c.y);
1928 tinsertblankline(int n)
1930 if (BETWEEN(term.c.y, term.top, term.bot))
1931 tscrolldown(term.c.y, n);
1937 if (BETWEEN(term.c.y, term.top, term.bot))
1938 tscrollup(term.c.y, n);
1942 tdefcolor(int *attr, int *npar, int l)
1947 switch (attr[*npar + 1]) {
1948 case 2: /* direct color in RGB space */
1949 if (*npar + 4 >= l) {
1951 "erresc(38): Incorrect number of parameters (%d)\n",
1955 r = attr[*npar + 2];
1956 g = attr[*npar + 3];
1957 b = attr[*npar + 4];
1959 if (!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255))
1960 fprintf(stderr, "erresc: bad rgb color (%u,%u,%u)\n",
1963 idx = TRUECOLOR(r, g, b);
1965 case 5: /* indexed color */
1966 if (*npar + 2 >= l) {
1968 "erresc(38): Incorrect number of parameters (%d)\n",
1973 if (!BETWEEN(attr[*npar], 0, 255))
1974 fprintf(stderr, "erresc: bad fgcolor %d\n", attr[*npar]);
1978 case 0: /* implemented defined (only foreground) */
1979 case 1: /* transparent */
1980 case 3: /* direct color in CMY space */
1981 case 4: /* direct color in CMYK space */
1984 "erresc(38): gfx attr %d unknown\n", attr[*npar]);
1992 tsetattr(int *attr, int l)
1997 for (i = 0; i < l; i++) {
2000 term.c.attr.mode &= ~(
2009 term.c.attr.fg = defaultfg;
2010 term.c.attr.bg = defaultbg;
2013 term.c.attr.mode |= ATTR_BOLD;
2016 term.c.attr.mode |= ATTR_FAINT;
2019 term.c.attr.mode |= ATTR_ITALIC;
2022 term.c.attr.mode |= ATTR_UNDERLINE;
2024 case 5: /* slow blink */
2026 case 6: /* rapid blink */
2027 term.c.attr.mode |= ATTR_BLINK;
2030 term.c.attr.mode |= ATTR_REVERSE;
2033 term.c.attr.mode |= ATTR_INVISIBLE;
2036 term.c.attr.mode |= ATTR_STRUCK;
2039 term.c.attr.mode &= ~(ATTR_BOLD | ATTR_FAINT);
2042 term.c.attr.mode &= ~ATTR_ITALIC;
2045 term.c.attr.mode &= ~ATTR_UNDERLINE;
2048 term.c.attr.mode &= ~ATTR_BLINK;
2051 term.c.attr.mode &= ~ATTR_REVERSE;
2054 term.c.attr.mode &= ~ATTR_INVISIBLE;
2057 term.c.attr.mode &= ~ATTR_STRUCK;
2060 if ((idx = tdefcolor(attr, &i, l)) >= 0)
2061 term.c.attr.fg = idx;
2064 term.c.attr.fg = defaultfg;
2067 if ((idx = tdefcolor(attr, &i, l)) >= 0)
2068 term.c.attr.bg = idx;
2071 term.c.attr.bg = defaultbg;
2074 if (BETWEEN(attr[i], 30, 37)) {
2075 term.c.attr.fg = attr[i] - 30;
2076 } else if (BETWEEN(attr[i], 40, 47)) {
2077 term.c.attr.bg = attr[i] - 40;
2078 } else if (BETWEEN(attr[i], 90, 97)) {
2079 term.c.attr.fg = attr[i] - 90 + 8;
2080 } else if (BETWEEN(attr[i], 100, 107)) {
2081 term.c.attr.bg = attr[i] - 100 + 8;
2084 "erresc(default): gfx attr %d unknown\n",
2085 attr[i]), csidump();
2093 tsetscroll(int t, int b)
2097 LIMIT(t, 0, term.row-1);
2098 LIMIT(b, 0, term.row-1);
2109 tsetmode(int priv, int set, int *args, int narg)
2114 for (lim = args + narg; args < lim; ++args) {
2117 case 1: /* DECCKM -- Cursor key */
2118 MODBIT(term.mode, set, MODE_APPCURSOR);
2120 case 5: /* DECSCNM -- Reverse video */
2122 MODBIT(term.mode, set, MODE_REVERSE);
2123 if (mode != term.mode)
2126 case 6: /* DECOM -- Origin */
2127 MODBIT(term.c.state, set, CURSOR_ORIGIN);
2130 case 7: /* DECAWM -- Auto wrap */
2131 MODBIT(term.mode, set, MODE_WRAP);
2133 case 0: /* Error (IGNORED) */
2134 case 2: /* DECANM -- ANSI/VT52 (IGNORED) */
2135 case 3: /* DECCOLM -- Column (IGNORED) */
2136 case 4: /* DECSCLM -- Scroll (IGNORED) */
2137 case 8: /* DECARM -- Auto repeat (IGNORED) */
2138 case 18: /* DECPFF -- Printer feed (IGNORED) */
2139 case 19: /* DECPEX -- Printer extent (IGNORED) */
2140 case 42: /* DECNRCM -- National characters (IGNORED) */
2141 case 12: /* att610 -- Start blinking cursor (IGNORED) */
2143 case 25: /* DECTCEM -- Text Cursor Enable Mode */
2144 MODBIT(term.mode, !set, MODE_HIDE);
2146 case 9: /* X10 mouse compatibility mode */
2147 xsetpointermotion(0);
2148 MODBIT(term.mode, 0, MODE_MOUSE);
2149 MODBIT(term.mode, set, MODE_MOUSEX10);
2151 case 1000: /* 1000: report button press */
2152 xsetpointermotion(0);
2153 MODBIT(term.mode, 0, MODE_MOUSE);
2154 MODBIT(term.mode, set, MODE_MOUSEBTN);
2156 case 1002: /* 1002: report motion on button press */
2157 xsetpointermotion(0);
2158 MODBIT(term.mode, 0, MODE_MOUSE);
2159 MODBIT(term.mode, set, MODE_MOUSEMOTION);
2161 case 1003: /* 1003: enable all mouse motions */
2162 xsetpointermotion(set);
2163 MODBIT(term.mode, 0, MODE_MOUSE);
2164 MODBIT(term.mode, set, MODE_MOUSEMANY);
2166 case 1004: /* 1004: send focus events to tty */
2167 MODBIT(term.mode, set, MODE_FOCUS);
2169 case 1006: /* 1006: extended reporting mode */
2170 MODBIT(term.mode, set, MODE_MOUSESGR);
2173 MODBIT(term.mode, set, MODE_8BIT);
2175 case 1049: /* swap screen & set/restore cursor as xterm */
2176 if (!allowaltscreen)
2178 tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
2180 case 47: /* swap screen */
2182 if (!allowaltscreen)
2184 alt = IS_SET(MODE_ALTSCREEN);
2186 tclearregion(0, 0, term.col-1,
2189 if (set ^ alt) /* set is always 1 or 0 */
2195 tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
2197 case 2004: /* 2004: bracketed paste mode */
2198 MODBIT(term.mode, set, MODE_BRCKTPASTE);
2200 /* Not implemented mouse modes. See comments there. */
2201 case 1001: /* mouse highlight mode; can hang the
2202 terminal by design when implemented. */
2203 case 1005: /* UTF-8 mouse mode; will confuse
2204 applications not supporting UTF-8
2206 case 1015: /* urxvt mangled mouse mode; incompatible
2207 and can be mistaken for other control
2211 "erresc: unknown private set/reset mode %d\n",
2217 case 0: /* Error (IGNORED) */
2219 case 2: /* KAM -- keyboard action */
2220 MODBIT(term.mode, set, MODE_KBDLOCK);
2222 case 4: /* IRM -- Insertion-replacement */
2223 MODBIT(term.mode, set, MODE_INSERT);
2225 case 12: /* SRM -- Send/Receive */
2226 MODBIT(term.mode, !set, MODE_ECHO);
2228 case 20: /* LNM -- Linefeed/new line */
2229 MODBIT(term.mode, set, MODE_CRLF);
2233 "erresc: unknown set/reset mode %d\n",
2247 switch (csiescseq.mode[0]) {
2250 fprintf(stderr, "erresc: unknown csi ");
2254 case '@': /* ICH -- Insert <n> blank char */
2255 DEFAULT(csiescseq.arg[0], 1);
2256 tinsertblank(csiescseq.arg[0]);
2258 case 'A': /* CUU -- Cursor <n> Up */
2259 DEFAULT(csiescseq.arg[0], 1);
2260 tmoveto(term.c.x, term.c.y-csiescseq.arg[0]);
2262 case 'B': /* CUD -- Cursor <n> Down */
2263 case 'e': /* VPR --Cursor <n> Down */
2264 DEFAULT(csiescseq.arg[0], 1);
2265 tmoveto(term.c.x, term.c.y+csiescseq.arg[0]);
2267 case 'i': /* MC -- Media Copy */
2268 switch (csiescseq.arg[0]) {
2273 tdumpline(term.c.y);
2279 term.mode &= ~MODE_PRINT;
2282 term.mode |= MODE_PRINT;
2286 case 'c': /* DA -- Device Attributes */
2287 if (csiescseq.arg[0] == 0)
2288 ttywrite(vtiden, sizeof(vtiden) - 1);
2290 case 'C': /* CUF -- Cursor <n> Forward */
2291 case 'a': /* HPR -- Cursor <n> Forward */
2292 DEFAULT(csiescseq.arg[0], 1);
2293 tmoveto(term.c.x+csiescseq.arg[0], term.c.y);
2295 case 'D': /* CUB -- Cursor <n> Backward */
2296 DEFAULT(csiescseq.arg[0], 1);
2297 tmoveto(term.c.x-csiescseq.arg[0], term.c.y);
2299 case 'E': /* CNL -- Cursor <n> Down and first col */
2300 DEFAULT(csiescseq.arg[0], 1);
2301 tmoveto(0, term.c.y+csiescseq.arg[0]);
2303 case 'F': /* CPL -- Cursor <n> Up and first col */
2304 DEFAULT(csiescseq.arg[0], 1);
2305 tmoveto(0, term.c.y-csiescseq.arg[0]);
2307 case 'g': /* TBC -- Tabulation clear */
2308 switch (csiescseq.arg[0]) {
2309 case 0: /* clear current tab stop */
2310 term.tabs[term.c.x] = 0;
2312 case 3: /* clear all the tabs */
2313 memset(term.tabs, 0, term.col * sizeof(*term.tabs));
2319 case 'G': /* CHA -- Move to <col> */
2321 DEFAULT(csiescseq.arg[0], 1);
2322 tmoveto(csiescseq.arg[0]-1, term.c.y);
2324 case 'H': /* CUP -- Move to <row> <col> */
2326 DEFAULT(csiescseq.arg[0], 1);
2327 DEFAULT(csiescseq.arg[1], 1);
2328 tmoveato(csiescseq.arg[1]-1, csiescseq.arg[0]-1);
2330 case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
2331 DEFAULT(csiescseq.arg[0], 1);
2332 tputtab(csiescseq.arg[0]);
2334 case 'J': /* ED -- Clear screen */
2336 switch (csiescseq.arg[0]) {
2338 tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
2339 if (term.c.y < term.row-1) {
2340 tclearregion(0, term.c.y+1, term.col-1,
2346 tclearregion(0, 0, term.col-1, term.c.y-1);
2347 tclearregion(0, term.c.y, term.c.x, term.c.y);
2350 tclearregion(0, 0, term.col-1, term.row-1);
2356 case 'K': /* EL -- Clear line */
2357 switch (csiescseq.arg[0]) {
2359 tclearregion(term.c.x, term.c.y, term.col-1,
2363 tclearregion(0, term.c.y, term.c.x, term.c.y);
2366 tclearregion(0, term.c.y, term.col-1, term.c.y);
2370 case 'S': /* SU -- Scroll <n> line up */
2371 DEFAULT(csiescseq.arg[0], 1);
2372 tscrollup(term.top, csiescseq.arg[0]);
2374 case 'T': /* SD -- Scroll <n> line down */
2375 DEFAULT(csiescseq.arg[0], 1);
2376 tscrolldown(term.top, csiescseq.arg[0]);
2378 case 'L': /* IL -- Insert <n> blank lines */
2379 DEFAULT(csiescseq.arg[0], 1);
2380 tinsertblankline(csiescseq.arg[0]);
2382 case 'l': /* RM -- Reset Mode */
2383 tsetmode(csiescseq.priv, 0, csiescseq.arg, csiescseq.narg);
2385 case 'M': /* DL -- Delete <n> lines */
2386 DEFAULT(csiescseq.arg[0], 1);
2387 tdeleteline(csiescseq.arg[0]);
2389 case 'X': /* ECH -- Erase <n> char */
2390 DEFAULT(csiescseq.arg[0], 1);
2391 tclearregion(term.c.x, term.c.y,
2392 term.c.x + csiescseq.arg[0] - 1, term.c.y);
2394 case 'P': /* DCH -- Delete <n> char */
2395 DEFAULT(csiescseq.arg[0], 1);
2396 tdeletechar(csiescseq.arg[0]);
2398 case 'Z': /* CBT -- Cursor Backward Tabulation <n> tab stops */
2399 DEFAULT(csiescseq.arg[0], 1);
2400 tputtab(-csiescseq.arg[0]);
2402 case 'd': /* VPA -- Move to <row> */
2403 DEFAULT(csiescseq.arg[0], 1);
2404 tmoveato(term.c.x, csiescseq.arg[0]-1);
2406 case 'h': /* SM -- Set terminal mode */
2407 tsetmode(csiescseq.priv, 1, csiescseq.arg, csiescseq.narg);
2409 case 'm': /* SGR -- Terminal attribute (color) */
2410 tsetattr(csiescseq.arg, csiescseq.narg);
2412 case 'n': /* DSR – Device Status Report (cursor position) */
2413 if (csiescseq.arg[0] == 6) {
2414 len = snprintf(buf, sizeof(buf),"\033[%i;%iR",
2415 term.c.y+1, term.c.x+1);
2419 case 'r': /* DECSTBM -- Set Scrolling Region */
2420 if (csiescseq.priv) {
2423 DEFAULT(csiescseq.arg[0], 1);
2424 DEFAULT(csiescseq.arg[1], term.row);
2425 tsetscroll(csiescseq.arg[0]-1, csiescseq.arg[1]-1);
2429 case 's': /* DECSC -- Save cursor position (ANSI.SYS) */
2430 tcursor(CURSOR_SAVE);
2432 case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */
2433 tcursor(CURSOR_LOAD);
2436 switch (csiescseq.mode[1]) {
2437 case 'q': /* DECSCUSR -- Set Cursor Style */
2438 DEFAULT(csiescseq.arg[0], 1);
2439 if (!BETWEEN(csiescseq.arg[0], 0, 6)) {
2442 xw.cursor = csiescseq.arg[0];
2458 for (i = 0; i < csiescseq.len; i++) {
2459 c = csiescseq.buf[i] & 0xff;
2462 } else if (c == '\n') {
2464 } else if (c == '\r') {
2466 } else if (c == 0x1b) {
2469 printf("(%02x)", c);
2478 memset(&csiescseq, 0, sizeof(csiescseq));
2487 term.esc &= ~(ESC_STR_END|ESC_STR);
2489 par = (narg = strescseq.narg) ? atoi(strescseq.args[0]) : 0;
2491 switch (strescseq.type) {
2492 case ']': /* OSC -- Operating System Command */
2498 xsettitle(strescseq.args[1]);
2500 case 4: /* color set */
2503 p = strescseq.args[2];
2505 case 104: /* color reset, here p = NULL */
2506 j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
2507 if (xsetcolorname(j, p)) {
2508 fprintf(stderr, "erresc: invalid color %s\n", p);
2511 * TODO if defaultbg color is changed, borders
2519 case 'k': /* old title set compatibility */
2520 xsettitle(strescseq.args[0]);
2522 case 'P': /* DCS -- Device Control String */
2523 case '_': /* APC -- Application Program Command */
2524 case '^': /* PM -- Privacy Message */
2528 fprintf(stderr, "erresc: unknown str ");
2536 char *p = strescseq.buf;
2539 strescseq.buf[strescseq.len] = '\0';
2544 while (strescseq.narg < STR_ARG_SIZ) {
2545 strescseq.args[strescseq.narg++] = p;
2546 while ((c = *p) != ';' && c != '\0')
2560 printf("ESC%c", strescseq.type);
2561 for (i = 0; i < strescseq.len; i++) {
2562 c = strescseq.buf[i] & 0xff;
2565 } else if (isprint(c)) {
2567 } else if (c == '\n') {
2569 } else if (c == '\r') {
2571 } else if (c == 0x1b) {
2574 printf("(%02x)", c);
2583 memset(&strescseq, 0, sizeof(strescseq));
2587 sendbreak(const Arg *arg)
2589 if (tcsendbreak(cmdfd, 0))
2590 perror("Error sending break");
2594 tprinter(char *s, size_t len)
2596 if (iofd != -1 && xwrite(iofd, s, len) < 0) {
2597 fprintf(stderr, "Error writing in %s:%s\n",
2598 opt_io, strerror(errno));
2605 toggleprinter(const Arg *arg)
2607 term.mode ^= MODE_PRINT;
2611 printscreen(const Arg *arg)
2617 printsel(const Arg *arg)
2627 if ((ptr = getsel())) {
2628 tprinter(ptr, strlen(ptr));
2639 bp = &term.line[n][0];
2640 end = &bp[MIN(tlinelen(n), term.col) - 1];
2641 if (bp != end || bp->u != ' ') {
2642 for ( ;bp <= end; ++bp)
2643 tprinter(buf, utf8encode(bp->u, buf));
2653 for (i = 0; i < term.row; ++i)
2663 while (x < term.col && n--)
2664 for (++x; x < term.col && !term.tabs[x]; ++x)
2667 while (x > 0 && n++)
2668 for (--x; x > 0 && !term.tabs[x]; --x)
2671 term.c.x = LIMIT(x, 0, term.col-1);
2677 if (ISCONTROL(u)) { /* control code */
2682 } else if (u != '\n' && u != '\r' && u != '\t') {
2691 tdeftran(char ascii)
2693 static char cs[] = "0B";
2694 static int vcs[] = {CS_GRAPHIC0, CS_USA};
2697 if ((p = strchr(cs, ascii)) == NULL) {
2698 fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
2700 term.trantbl[term.icharset] = vcs[p - cs];
2709 if (c == '8') { /* DEC screen alignment test. */
2710 for (x = 0; x < term.col; ++x) {
2711 for (y = 0; y < term.row; ++y)
2712 tsetchar('E', &term.c.attr, x, y);
2718 tstrsequence(uchar c)
2721 case 0x90: /* DCS -- Device Control String */
2724 case 0x9f: /* APC -- Application Program Command */
2727 case 0x9e: /* PM -- Privacy Message */
2730 case 0x9d: /* OSC -- Operating System Command */
2736 term.esc |= ESC_STR;
2740 tcontrolcode(uchar ascii)
2747 tmoveto(term.c.x-1, term.c.y);
2750 tmoveto(0, term.c.y);
2755 /* go to first col if the mode is set */
2756 tnewline(IS_SET(MODE_CRLF));
2758 case '\a': /* BEL */
2759 if (term.esc & ESC_STR_END) {
2760 /* backwards compatibility to xterm */
2763 if (!(xw.state & WIN_FOCUSED))
2766 XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL);
2769 case '\033': /* ESC */
2771 term.esc &= ~(ESC_CSI|ESC_ALTCHARSET|ESC_TEST);
2772 term.esc |= ESC_START;
2774 case '\016': /* SO (LS1 -- Locking shift 1) */
2775 case '\017': /* SI (LS0 -- Locking shift 0) */
2776 term.charset = 1 - (ascii - '\016');
2778 case '\032': /* SUB */
2779 tsetchar('?', &term.c.attr, term.c.x, term.c.y);
2780 case '\030': /* CAN */
2783 case '\005': /* ENQ (IGNORED) */
2784 case '\000': /* NUL (IGNORED) */
2785 case '\021': /* XON (IGNORED) */
2786 case '\023': /* XOFF (IGNORED) */
2787 case 0177: /* DEL (IGNORED) */
2789 case 0x80: /* TODO: PAD */
2790 case 0x81: /* TODO: HOP */
2791 case 0x82: /* TODO: BPH */
2792 case 0x83: /* TODO: NBH */
2793 case 0x84: /* TODO: IND */
2795 case 0x85: /* NEL -- Next line */
2796 tnewline(1); /* always go to first col */
2798 case 0x86: /* TODO: SSA */
2799 case 0x87: /* TODO: ESA */
2801 case 0x88: /* HTS -- Horizontal tab stop */
2802 term.tabs[term.c.x] = 1;
2804 case 0x89: /* TODO: HTJ */
2805 case 0x8a: /* TODO: VTS */
2806 case 0x8b: /* TODO: PLD */
2807 case 0x8c: /* TODO: PLU */
2808 case 0x8d: /* TODO: RI */
2809 case 0x8e: /* TODO: SS2 */
2810 case 0x8f: /* TODO: SS3 */
2811 case 0x91: /* TODO: PU1 */
2812 case 0x92: /* TODO: PU2 */
2813 case 0x93: /* TODO: STS */
2814 case 0x94: /* TODO: CCH */
2815 case 0x95: /* TODO: MW */
2816 case 0x96: /* TODO: SPA */
2817 case 0x97: /* TODO: EPA */
2818 case 0x98: /* TODO: SOS */
2819 case 0x99: /* TODO: SGCI */
2821 case 0x9a: /* DECID -- Identify Terminal */
2822 ttywrite(vtiden, sizeof(vtiden) - 1);
2824 case 0x9b: /* TODO: CSI */
2825 case 0x9c: /* TODO: ST */
2827 case 0x90: /* DCS -- Device Control String */
2828 case 0x9d: /* OSC -- Operating System Command */
2829 case 0x9e: /* PM -- Privacy Message */
2830 case 0x9f: /* APC -- Application Program Command */
2831 tstrsequence(ascii);
2834 /* only CAN, SUB, \a and C1 chars interrupt a sequence */
2835 term.esc &= ~(ESC_STR_END|ESC_STR);
2839 * returns 1 when the sequence is finished and it hasn't to read
2840 * more characters for this sequence, otherwise 0
2843 eschandle(uchar ascii)
2847 term.esc |= ESC_CSI;
2850 term.esc |= ESC_TEST;
2852 case 'P': /* DCS -- Device Control String */
2853 case '_': /* APC -- Application Program Command */
2854 case '^': /* PM -- Privacy Message */
2855 case ']': /* OSC -- Operating System Command */
2856 case 'k': /* old title set compatibility */
2857 tstrsequence(ascii);
2859 case 'n': /* LS2 -- Locking shift 2 */
2860 case 'o': /* LS3 -- Locking shift 3 */
2861 term.charset = 2 + (ascii - 'n');
2863 case '(': /* GZD4 -- set primary charset G0 */
2864 case ')': /* G1D4 -- set secondary charset G1 */
2865 case '*': /* G2D4 -- set tertiary charset G2 */
2866 case '+': /* G3D4 -- set quaternary charset G3 */
2867 term.icharset = ascii - '(';
2868 term.esc |= ESC_ALTCHARSET;
2870 case 'D': /* IND -- Linefeed */
2871 if (term.c.y == term.bot) {
2872 tscrollup(term.top, 1);
2874 tmoveto(term.c.x, term.c.y+1);
2877 case 'E': /* NEL -- Next line */
2878 tnewline(1); /* always go to first col */
2880 case 'H': /* HTS -- Horizontal tab stop */
2881 term.tabs[term.c.x] = 1;
2883 case 'M': /* RI -- Reverse index */
2884 if (term.c.y == term.top) {
2885 tscrolldown(term.top, 1);
2887 tmoveto(term.c.x, term.c.y-1);
2890 case 'Z': /* DECID -- Identify Terminal */
2891 ttywrite(vtiden, sizeof(vtiden) - 1);
2893 case 'c': /* RIS -- Reset to inital state */
2898 case '=': /* DECPAM -- Application keypad */
2899 term.mode |= MODE_APPKEYPAD;
2901 case '>': /* DECPNM -- Normal keypad */
2902 term.mode &= ~MODE_APPKEYPAD;
2904 case '7': /* DECSC -- Save Cursor */
2905 tcursor(CURSOR_SAVE);
2907 case '8': /* DECRC -- Restore Cursor */
2908 tcursor(CURSOR_LOAD);
2910 case '\\': /* ST -- String Terminator */
2911 if (term.esc & ESC_STR_END)
2915 fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n",
2916 (uchar) ascii, isprint(ascii)? ascii:'.');
2930 control = ISCONTROL(u);
2931 len = utf8encode(u, c);
2932 if (!control && (width = wcwidth(u)) == -1) {
2933 memcpy(c, "\357\277\275", 4); /* UTF_INVALID */
2937 if (IS_SET(MODE_PRINT))
2941 * STR sequence must be checked before anything else
2942 * because it uses all following characters until it
2943 * receives a ESC, a SUB, a ST or any other C1 control
2946 if (term.esc & ESC_STR) {
2947 if (u == '\a' || u == 030 || u == 032 || u == 033 ||
2949 term.esc &= ~(ESC_START|ESC_STR);
2950 term.esc |= ESC_STR_END;
2951 } else if (strescseq.len + len < sizeof(strescseq.buf) - 1) {
2952 memmove(&strescseq.buf[strescseq.len], c, len);
2953 strescseq.len += len;
2957 * Here is a bug in terminals. If the user never sends
2958 * some code to stop the str or esc command, then st
2959 * will stop responding. But this is better than
2960 * silently failing with unknown characters. At least
2961 * then users will report back.
2963 * In the case users ever get fixed, here is the code:
2974 * Actions of control codes must be performed as soon they arrive
2975 * because they can be embedded inside a control sequence, and
2976 * they must not cause conflicts with sequences.
2981 * control codes are not shown ever
2984 } else if (term.esc & ESC_START) {
2985 if (term.esc & ESC_CSI) {
2986 csiescseq.buf[csiescseq.len++] = u;
2987 if (BETWEEN(u, 0x40, 0x7E)
2988 || csiescseq.len >= \
2989 sizeof(csiescseq.buf)-1) {
2995 } else if (term.esc & ESC_ALTCHARSET) {
2997 } else if (term.esc & ESC_TEST) {
3002 /* sequence already finished */
3006 * All characters which form part of a sequence are not
3011 if (sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
3014 gp = &term.line[term.c.y][term.c.x];
3015 if (IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
3016 gp->mode |= ATTR_WRAP;
3018 gp = &term.line[term.c.y][term.c.x];
3021 if (IS_SET(MODE_INSERT) && term.c.x+width < term.col)
3022 memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph));
3024 if (term.c.x+width > term.col) {
3026 gp = &term.line[term.c.y][term.c.x];
3029 tsetchar(u, &term.c.attr, term.c.x, term.c.y);
3032 gp->mode |= ATTR_WIDE;
3033 if (term.c.x+1 < term.col) {
3035 gp[1].mode = ATTR_WDUMMY;
3038 if (term.c.x+width < term.col) {
3039 tmoveto(term.c.x+width, term.c.y);
3041 term.c.state |= CURSOR_WRAPNEXT;
3046 tresize(int col, int row)
3049 int minrow = MIN(row, term.row);
3050 int mincol = MIN(col, term.col);
3054 if (col < 1 || row < 1) {
3056 "tresize: error resizing to %dx%d\n", col, row);
3061 * slide screen to keep cursor where we expect it -
3062 * tscrollup would work here, but we can optimize to
3063 * memmove because we're freeing the earlier lines
3065 for (i = 0; i <= term.c.y - row; i++) {
3069 /* ensure that both src and dst are not NULL */
3071 memmove(term.line, term.line + i, row * sizeof(Line));
3072 memmove(term.alt, term.alt + i, row * sizeof(Line));
3074 for (i += row; i < term.row; i++) {
3079 /* resize to new width */
3080 term.specbuf = xrealloc(term.specbuf, col * sizeof(XftGlyphFontSpec));
3082 /* resize to new height */
3083 term.line = xrealloc(term.line, row * sizeof(Line));
3084 term.alt = xrealloc(term.alt, row * sizeof(Line));
3085 term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
3086 term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
3088 /* resize each row to new width, zero-pad if needed */
3089 for (i = 0; i < minrow; i++) {
3090 term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
3091 term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph));
3094 /* allocate any new rows */
3095 for (/* i == minrow */; i < row; i++) {
3096 term.line[i] = xmalloc(col * sizeof(Glyph));
3097 term.alt[i] = xmalloc(col * sizeof(Glyph));
3099 if (col > term.col) {
3100 bp = term.tabs + term.col;
3102 memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
3103 while (--bp > term.tabs && !*bp)
3105 for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
3108 /* update terminal size */
3111 /* reset scrolling region */
3112 tsetscroll(0, row-1);
3113 /* make use of the LIMIT in tmoveto */
3114 tmoveto(term.c.x, term.c.y);
3115 /* Clearing both screens (it makes dirty all lines) */
3117 for (i = 0; i < 2; i++) {
3118 if (mincol < col && 0 < minrow) {
3119 tclearregion(mincol, 0, col - 1, minrow - 1);
3121 if (0 < col && minrow < row) {
3122 tclearregion(0, minrow, col - 1, row - 1);
3125 tcursor(CURSOR_LOAD);
3131 xresize(int col, int row)
3133 xw.tw = MAX(1, col * xw.cw);
3134 xw.th = MAX(1, row * xw.ch);
3136 XFreePixmap(xw.dpy, xw.buf);
3137 xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
3138 DefaultDepth(xw.dpy, xw.scr));
3139 XftDrawChange(xw.draw, xw.buf);
3140 xclear(0, 0, xw.w, xw.h);
3144 sixd_to_16bit(int x)
3146 return x == 0 ? 0 : 0x3737 + 0x2828 * x;
3150 xloadcolor(int i, const char *name, Color *ncolor)
3152 XRenderColor color = { .alpha = 0xffff };
3155 if (BETWEEN(i, 16, 255)) { /* 256 color */
3156 if (i < 6*6*6+16) { /* same colors as xterm */
3157 color.red = sixd_to_16bit( ((i-16)/36)%6 );
3158 color.green = sixd_to_16bit( ((i-16)/6) %6 );
3159 color.blue = sixd_to_16bit( ((i-16)/1) %6 );
3160 } else { /* greyscale */
3161 color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16));
3162 color.green = color.blue = color.red;
3164 return XftColorAllocValue(xw.dpy, xw.vis,
3165 xw.cmap, &color, ncolor);
3167 name = colorname[i];
3170 return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
3181 for (cp = dc.col; cp < &dc.col[LEN(dc.col)]; ++cp)
3182 XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
3185 for (i = 0; i < LEN(dc.col); i++)
3186 if (!xloadcolor(i, NULL, &dc.col[i])) {
3188 die("Could not allocate color '%s'\n", colorname[i]);
3190 die("Could not allocate color %d\n", i);
3196 xsetcolorname(int x, const char *name)
3200 if (!BETWEEN(x, 0, LEN(dc.col)))
3204 if (!xloadcolor(x, name, &ncolor))
3207 XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
3214 xtermclear(int col1, int row1, int col2, int row2)
3216 XftDrawRect(xw.draw,
3217 &dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
3218 borderpx + col1 * xw.cw,
3219 borderpx + row1 * xw.ch,
3220 (col2-col1+1) * xw.cw,
3221 (row2-row1+1) * xw.ch);
3225 * Absolute coordinates.
3228 xclear(int x1, int y1, int x2, int y2)
3230 XftDrawRect(xw.draw,
3231 &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
3232 x1, y1, x2-x1, y2-y1);
3238 XClassHint class = {opt_class ? opt_class : termname, termname};
3239 XWMHints wm = {.flags = InputHint, .input = 1};
3240 XSizeHints *sizeh = NULL;
3242 sizeh = XAllocSizeHints();
3244 sizeh->flags = PSize | PResizeInc | PBaseSize;
3245 sizeh->height = xw.h;
3246 sizeh->width = xw.w;
3247 sizeh->height_inc = xw.ch;
3248 sizeh->width_inc = xw.cw;
3249 sizeh->base_height = 2 * borderpx;
3250 sizeh->base_width = 2 * borderpx;
3252 sizeh->flags |= PMaxSize | PMinSize;
3253 sizeh->min_width = sizeh->max_width = xw.w;
3254 sizeh->min_height = sizeh->max_height = xw.h;
3256 if (xw.gm & (XValue|YValue)) {
3257 sizeh->flags |= USPosition | PWinGravity;
3260 sizeh->win_gravity = xgeommasktogravity(xw.gm);
3263 XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm,
3269 xgeommasktogravity(int mask)
3271 switch (mask & (XNegative|YNegative)) {
3273 return NorthWestGravity;
3275 return NorthEastGravity;
3277 return SouthWestGravity;
3280 return SouthEastGravity;
3284 xloadfont(Font *f, FcPattern *pattern)
3289 match = FcFontMatch(NULL, pattern, &result);
3293 if (!(f->match = XftFontOpenPattern(xw.dpy, match))) {
3294 FcPatternDestroy(match);
3299 f->pattern = FcPatternDuplicate(pattern);
3301 f->ascent = f->match->ascent;
3302 f->descent = f->match->descent;
3304 f->rbearing = f->match->max_advance_width;
3306 f->height = f->ascent + f->descent;
3307 f->width = f->lbearing + f->rbearing;
3313 xloadfonts(char *fontstr, double fontsize)
3319 if (fontstr[0] == '-') {
3320 pattern = XftXlfdParse(fontstr, False, False);
3322 pattern = FcNameParse((FcChar8 *)fontstr);
3326 die("st: can't open font %s\n", fontstr);
3329 FcPatternDel(pattern, FC_PIXEL_SIZE);
3330 FcPatternDel(pattern, FC_SIZE);
3331 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
3332 usedfontsize = fontsize;
3334 if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
3336 usedfontsize = fontval;
3337 } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) ==
3342 * Default font size is 12, if none given. This is to
3343 * have a known usedfontsize value.
3345 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
3348 defaultfontsize = usedfontsize;
3351 FcConfigSubstitute(0, pattern, FcMatchPattern);
3352 FcDefaultSubstitute(pattern);
3354 if (xloadfont(&dc.font, pattern))
3355 die("st: can't open font %s\n", fontstr);
3357 if (usedfontsize < 0) {
3358 FcPatternGetDouble(dc.font.match->pattern,
3359 FC_PIXEL_SIZE, 0, &fontval);
3360 usedfontsize = fontval;
3362 defaultfontsize = fontval;
3365 /* Setting character width and height. */
3366 xw.cw = ceilf(dc.font.width * cwscale);
3367 xw.ch = ceilf(dc.font.height * chscale);
3369 FcPatternDel(pattern, FC_SLANT);
3370 FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
3371 if (xloadfont(&dc.ifont, pattern))
3372 die("st: can't open font %s\n", fontstr);
3374 FcPatternDel(pattern, FC_WEIGHT);
3375 FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
3376 if (xloadfont(&dc.ibfont, pattern))
3377 die("st: can't open font %s\n", fontstr);
3379 FcPatternDel(pattern, FC_SLANT);
3380 FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
3381 if (xloadfont(&dc.bfont, pattern))
3382 die("st: can't open font %s\n", fontstr);
3384 FcPatternDestroy(pattern);
3388 xunloadfont(Font *f)
3390 XftFontClose(xw.dpy, f->match);
3391 FcPatternDestroy(f->pattern);
3393 FcFontSetDestroy(f->set);
3399 /* Free the loaded fonts in the font cache. */
3401 XftFontClose(xw.dpy, frc[--frclen].font);
3403 xunloadfont(&dc.font);
3404 xunloadfont(&dc.bfont);
3405 xunloadfont(&dc.ifont);
3406 xunloadfont(&dc.ibfont);
3410 xzoom(const Arg *arg)
3414 larg.f = usedfontsize + arg->f;
3419 xzoomabs(const Arg *arg)
3422 xloadfonts(usedfont, arg->f);
3429 xzoomreset(const Arg *arg)
3433 if (defaultfontsize > 0) {
3434 larg.f = defaultfontsize;
3445 pid_t thispid = getpid();
3446 XColor xmousefg, xmousebg;
3448 if (!(xw.dpy = XOpenDisplay(NULL)))
3449 die("Can't open display\n");
3450 xw.scr = XDefaultScreen(xw.dpy);
3451 xw.vis = XDefaultVisual(xw.dpy, xw.scr);
3455 die("Could not init fontconfig.\n");
3457 usedfont = (opt_font == NULL)? font : opt_font;
3458 xloadfonts(usedfont, 0);
3461 xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
3464 /* adjust fixed window geometry */
3465 xw.w = 2 * borderpx + term.col * xw.cw;
3466 xw.h = 2 * borderpx + term.row * xw.ch;
3467 if (xw.gm & XNegative)
3468 xw.l += DisplayWidth(xw.dpy, xw.scr) - xw.w - 2;
3469 if (xw.gm & YNegative)
3470 xw.t += DisplayWidth(xw.dpy, xw.scr) - xw.h - 2;
3473 xw.attrs.background_pixel = dc.col[defaultbg].pixel;
3474 xw.attrs.border_pixel = dc.col[defaultbg].pixel;
3475 xw.attrs.bit_gravity = NorthWestGravity;
3476 xw.attrs.event_mask = FocusChangeMask | KeyPressMask
3477 | ExposureMask | VisibilityChangeMask | StructureNotifyMask
3478 | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
3479 xw.attrs.colormap = xw.cmap;
3481 if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
3482 parent = XRootWindow(xw.dpy, xw.scr);
3483 xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
3484 xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
3485 xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
3486 | CWEventMask | CWColormap, &xw.attrs);
3488 memset(&gcvalues, 0, sizeof(gcvalues));
3489 gcvalues.graphics_exposures = False;
3490 dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
3492 xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
3493 DefaultDepth(xw.dpy, xw.scr));
3494 XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
3495 XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
3497 /* Xft rendering context */
3498 xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
3501 if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
3502 XSetLocaleModifiers("@im=local");
3503 if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
3504 XSetLocaleModifiers("@im=");
3505 if ((xw.xim = XOpenIM(xw.dpy,
3506 NULL, NULL, NULL)) == NULL) {
3507 die("XOpenIM failed. Could not open input"
3512 xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
3513 | XIMStatusNothing, XNClientWindow, xw.win,
3514 XNFocusWindow, xw.win, NULL);
3516 die("XCreateIC failed. Could not obtain input method.\n");
3518 /* white cursor, black outline */
3519 cursor = XCreateFontCursor(xw.dpy, mouseshape);
3520 XDefineCursor(xw.dpy, xw.win, cursor);
3522 if (XParseColor(xw.dpy, xw.cmap, colorname[mousefg], &xmousefg) == 0) {
3523 xmousefg.red = 0xffff;
3524 xmousefg.green = 0xffff;
3525 xmousefg.blue = 0xffff;
3528 if (XParseColor(xw.dpy, xw.cmap, colorname[mousebg], &xmousebg) == 0) {
3529 xmousebg.red = 0x0000;
3530 xmousebg.green = 0x0000;
3531 xmousebg.blue = 0x0000;
3534 XRecolorCursor(xw.dpy, cursor, &xmousefg, &xmousebg);
3536 xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
3537 xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
3538 xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
3539 XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
3541 xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
3542 XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
3543 PropModeReplace, (uchar *)&thispid, 1);
3546 XMapWindow(xw.dpy, xw.win);
3548 XSync(xw.dpy, False);
3552 xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
3554 float winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch, xp, yp;
3555 ushort mode, prevmode = USHRT_MAX;
3556 Font *font = &dc.font;
3557 int frcflags = FRC_NORMAL;
3558 float runewidth = xw.cw;
3562 FcPattern *fcpattern, *fontpattern;
3563 FcFontSet *fcsets[] = { NULL };
3564 FcCharSet *fccharset;
3565 int i, f, numspecs = 0;
3567 for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) {
3568 /* Fetch rune and mode for current glyph. */
3570 mode = glyphs[i].mode;
3572 /* Skip dummy wide-character spacing. */
3573 if (mode == ATTR_WDUMMY)
3576 /* Determine font for glyph if different from previous glyph. */
3577 if (prevmode != mode) {
3580 frcflags = FRC_NORMAL;
3581 runewidth = xw.cw * ((mode & ATTR_WIDE) ? 2.0f : 1.0f);
3582 if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
3584 frcflags = FRC_ITALICBOLD;
3585 } else if (mode & ATTR_ITALIC) {
3587 frcflags = FRC_ITALIC;
3588 } else if (mode & ATTR_BOLD) {
3590 frcflags = FRC_BOLD;
3592 yp = winy + font->ascent;
3595 /* Lookup character index with default font. */
3596 glyphidx = XftCharIndex(xw.dpy, font->match, rune);
3598 specs[numspecs].font = font->match;
3599 specs[numspecs].glyph = glyphidx;
3600 specs[numspecs].x = (short)xp;
3601 specs[numspecs].y = (short)yp;
3607 /* Fallback on font cache, search the font cache for match. */
3608 for (f = 0; f < frclen; f++) {
3609 glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
3610 /* Everything correct. */
3611 if (glyphidx && frc[f].flags == frcflags)
3613 /* We got a default font for a not found glyph. */
3614 if (!glyphidx && frc[f].flags == frcflags
3615 && frc[f].unicodep == rune) {
3620 /* Nothing was found. Use fontconfig to find matching font. */
3623 font->set = FcFontSort(0, font->pattern,
3625 fcsets[0] = font->set;
3628 * Nothing was found in the cache. Now use
3629 * some dozen of Fontconfig calls to get the
3630 * font for one single character.
3632 * Xft and fontconfig are design failures.
3634 fcpattern = FcPatternDuplicate(font->pattern);
3635 fccharset = FcCharSetCreate();
3637 FcCharSetAddChar(fccharset, rune);
3638 FcPatternAddCharSet(fcpattern, FC_CHARSET,
3640 FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
3642 FcConfigSubstitute(0, fcpattern,
3644 FcDefaultSubstitute(fcpattern);
3646 fontpattern = FcFontSetMatch(0, fcsets, 1,
3650 * Overwrite or create the new cache entry.
3652 if (frclen >= LEN(frc)) {
3653 frclen = LEN(frc) - 1;
3654 XftFontClose(xw.dpy, frc[frclen].font);
3655 frc[frclen].unicodep = 0;
3658 frc[frclen].font = XftFontOpenPattern(xw.dpy,
3660 frc[frclen].flags = frcflags;
3661 frc[frclen].unicodep = rune;
3663 glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
3668 FcPatternDestroy(fcpattern);
3669 FcCharSetDestroy(fccharset);
3672 specs[numspecs].font = frc[f].font;
3673 specs[numspecs].glyph = glyphidx;
3674 specs[numspecs].x = (short)xp;
3675 specs[numspecs].y = (short)(winy + frc[f].font->ascent);
3684 xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
3686 int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
3687 int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
3688 width = charlen * xw.cw;
3689 Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
3690 XRenderColor colfg, colbg;
3693 /* Determine foreground and background colors based on mode. */
3694 if (base.fg == defaultfg) {
3695 if (base.mode & ATTR_ITALIC)
3696 base.fg = defaultitalic;
3697 else if ((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD))
3698 base.fg = defaultitalic;
3699 else if (base.mode & ATTR_UNDERLINE)
3700 base.fg = defaultunderline;
3703 if (IS_TRUECOL(base.fg)) {
3704 colfg.alpha = 0xffff;
3705 colfg.red = TRUERED(base.fg);
3706 colfg.green = TRUEGREEN(base.fg);
3707 colfg.blue = TRUEBLUE(base.fg);
3708 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
3711 fg = &dc.col[base.fg];
3714 if (IS_TRUECOL(base.bg)) {
3715 colbg.alpha = 0xffff;
3716 colbg.green = TRUEGREEN(base.bg);
3717 colbg.red = TRUERED(base.bg);
3718 colbg.blue = TRUEBLUE(base.bg);
3719 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
3722 bg = &dc.col[base.bg];
3725 /* Change basic system colors [0-7] to bright system colors [8-15] */
3726 if ((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7))
3727 fg = &dc.col[base.fg + 8];
3729 if (IS_SET(MODE_REVERSE)) {
3730 if (fg == &dc.col[defaultfg]) {
3731 fg = &dc.col[defaultbg];
3733 colfg.red = ~fg->color.red;
3734 colfg.green = ~fg->color.green;
3735 colfg.blue = ~fg->color.blue;
3736 colfg.alpha = fg->color.alpha;
3737 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
3742 if (bg == &dc.col[defaultbg]) {
3743 bg = &dc.col[defaultfg];
3745 colbg.red = ~bg->color.red;
3746 colbg.green = ~bg->color.green;
3747 colbg.blue = ~bg->color.blue;
3748 colbg.alpha = bg->color.alpha;
3749 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
3755 if (base.mode & ATTR_REVERSE) {
3761 if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) {
3762 colfg.red = fg->color.red / 2;
3763 colfg.green = fg->color.green / 2;
3764 colfg.blue = fg->color.blue / 2;
3765 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
3769 if (base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
3772 if (base.mode & ATTR_INVISIBLE)
3775 /* Intelligent cleaning up of the borders. */
3777 xclear(0, (y == 0)? 0 : winy, borderpx,
3778 winy + xw.ch + ((y >= term.row-1)? xw.h : 0));
3780 if (x + charlen >= term.col) {
3781 xclear(winx + width, (y == 0)? 0 : winy, xw.w,
3782 ((y >= term.row-1)? xw.h : (winy + xw.ch)));
3785 xclear(winx, 0, winx + width, borderpx);
3786 if (y == term.row-1)
3787 xclear(winx, winy + xw.ch, winx + width, xw.h);
3789 /* Clean up the region we want to draw to. */
3790 XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
3792 /* Set the clip region because Xft is sometimes dirty. */
3797 XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
3799 /* Render the glyphs. */
3800 XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
3802 /* Render underline and strikethrough. */
3803 if (base.mode & ATTR_UNDERLINE) {
3804 XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1,
3808 if (base.mode & ATTR_STRUCK) {
3809 XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3,
3813 /* Reset clip to none. */
3814 XftDrawSetClip(xw.draw, 0);
3818 xdrawglyph(Glyph g, int x, int y)
3821 XftGlyphFontSpec spec;
3823 numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
3824 xdrawglyphfontspecs(&spec, g, numspecs, x, y);
3830 static int oldx = 0, oldy = 0;
3832 Glyph g = {' ', ATTR_NULL, defaultbg, defaultcs}, og;
3833 int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
3836 LIMIT(oldx, 0, term.col-1);
3837 LIMIT(oldy, 0, term.row-1);
3841 /* adjust position if in dummy */
3842 if (term.line[oldy][oldx].mode & ATTR_WDUMMY)
3844 if (term.line[term.c.y][curx].mode & ATTR_WDUMMY)
3847 /* remove the old cursor */
3848 og = term.line[oldy][oldx];
3849 if (ena_sel && selected(oldx, oldy))
3850 og.mode ^= ATTR_REVERSE;
3851 xdrawglyph(og, oldx, oldy);
3853 g.u = term.line[term.c.y][term.c.x].u;
3856 * Select the right color for the right mode.
3858 if (IS_SET(MODE_REVERSE)) {
3859 g.mode |= ATTR_REVERSE;
3861 if (ena_sel && selected(term.c.x, term.c.y)) {
3862 drawcol = dc.col[defaultcs];
3865 drawcol = dc.col[defaultrcs];
3869 if (ena_sel && selected(term.c.x, term.c.y)) {
3870 drawcol = dc.col[defaultrcs];
3874 drawcol = dc.col[defaultcs];
3878 if (IS_SET(MODE_HIDE))
3881 /* draw the new one */
3882 if (xw.state & WIN_FOCUSED) {
3883 switch (xw.cursor) {
3884 case 7: /* st extension: snowman */
3885 utf8decode("☃", &g.u, UTF_SIZ);
3886 case 0: /* Blinking Block */
3887 case 1: /* Blinking Block (Default) */
3888 case 2: /* Steady Block */
3889 g.mode |= term.line[term.c.y][curx].mode & ATTR_WIDE;
3890 xdrawglyph(g, term.c.x, term.c.y);
3892 case 3: /* Blinking Underline */
3893 case 4: /* Steady Underline */
3894 XftDrawRect(xw.draw, &drawcol,
3895 borderpx + curx * xw.cw,
3896 borderpx + (term.c.y + 1) * xw.ch - \
3898 xw.cw, cursorthickness);
3900 case 5: /* Blinking bar */
3901 case 6: /* Steady bar */
3902 XftDrawRect(xw.draw, &drawcol,
3903 borderpx + curx * xw.cw,
3904 borderpx + term.c.y * xw.ch,
3905 cursorthickness, xw.ch);
3909 XftDrawRect(xw.draw, &drawcol,
3910 borderpx + curx * xw.cw,
3911 borderpx + term.c.y * xw.ch,
3913 XftDrawRect(xw.draw, &drawcol,
3914 borderpx + curx * xw.cw,
3915 borderpx + term.c.y * xw.ch,
3917 XftDrawRect(xw.draw, &drawcol,
3918 borderpx + (curx + 1) * xw.cw - 1,
3919 borderpx + term.c.y * xw.ch,
3921 XftDrawRect(xw.draw, &drawcol,
3922 borderpx + curx * xw.cw,
3923 borderpx + (term.c.y + 1) * xw.ch - 1,
3926 oldx = curx, oldy = term.c.y;
3935 Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
3937 XSetWMName(xw.dpy, xw.win, &prop);
3938 XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
3945 xsettitle(opt_title ? opt_title : "st");
3958 drawregion(0, 0, term.col, term.row);
3959 XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.w,
3961 XSetForeground(xw.dpy, dc.gc,
3962 dc.col[IS_SET(MODE_REVERSE)?
3963 defaultfg : defaultbg].pixel);
3967 drawregion(int x1, int y1, int x2, int y2)
3969 int i, x, y, ox, numspecs;
3971 XftGlyphFontSpec *specs;
3972 int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
3974 if (!(xw.state & WIN_VISIBLE))
3977 for (y = y1; y < y2; y++) {
3981 xtermclear(0, y, term.col, y);
3984 specs = term.specbuf;
3985 numspecs = xmakeglyphfontspecs(specs, &term.line[y][x1], x2 - x1, x1, y);
3988 for (x = x1; x < x2 && i < numspecs; x++) {
3989 new = term.line[y][x];
3990 if (new.mode == ATTR_WDUMMY)
3992 if (ena_sel && selected(x, y))
3993 new.mode ^= ATTR_REVERSE;
3994 if (i > 0 && ATTRCMP(base, new)) {
3995 xdrawglyphfontspecs(specs, base, i, ox, y);
4007 xdrawglyphfontspecs(specs, base, i, ox, y);
4019 visibility(XEvent *ev)
4021 XVisibilityEvent *e = &ev->xvisibility;
4023 MODBIT(xw.state, e->state != VisibilityFullyObscured, WIN_VISIBLE);
4029 xw.state &= ~WIN_VISIBLE;
4033 xsetpointermotion(int set)
4035 MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
4036 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
4040 xseturgency(int add)
4042 XWMHints *h = XGetWMHints(xw.dpy, xw.win);
4044 MODBIT(h->flags, add, XUrgencyHint);
4045 XSetWMHints(xw.dpy, xw.win, h);
4052 XFocusChangeEvent *e = &ev->xfocus;
4054 if (e->mode == NotifyGrab)
4057 if (ev->type == FocusIn) {
4058 XSetICFocus(xw.xic);
4059 xw.state |= WIN_FOCUSED;
4061 if (IS_SET(MODE_FOCUS))
4062 ttywrite("\033[I", 3);
4064 XUnsetICFocus(xw.xic);
4065 xw.state &= ~WIN_FOCUSED;
4066 if (IS_SET(MODE_FOCUS))
4067 ttywrite("\033[O", 3);
4072 match(uint mask, uint state)
4074 return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
4078 numlock(const Arg *dummy)
4084 kmap(KeySym k, uint state)
4089 /* Check for mapped keys out of X11 function keys. */
4090 for (i = 0; i < LEN(mappedkeys); i++) {
4091 if (mappedkeys[i] == k)
4094 if (i == LEN(mappedkeys)) {
4095 if ((k & 0xFFFF) < 0xFD00)
4099 for (kp = key; kp < key + LEN(key); kp++) {
4103 if (!match(kp->mask, state))
4106 if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
4108 if (term.numlock && kp->appkey == 2)
4111 if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
4114 if (IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0)
4126 XKeyEvent *e = &ev->xkey;
4128 char buf[32], *customkey;
4134 if (IS_SET(MODE_KBDLOCK))
4137 len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);
4139 for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
4140 if (ksym == bp->keysym && match(bp->mod, e->state)) {
4141 bp->func(&(bp->arg));
4146 /* 2. custom keys from config.h */
4147 if ((customkey = kmap(ksym, e->state))) {
4148 ttysend(customkey, strlen(customkey));
4152 /* 3. composed string from input method */
4155 if (len == 1 && e->state & Mod1Mask) {
4156 if (IS_SET(MODE_8BIT)) {
4159 len = utf8encode(c, buf);
4176 * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
4178 if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
4179 if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
4180 xw.state |= WIN_FOCUSED;
4182 } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
4183 xw.state &= ~WIN_FOCUSED;
4185 } else if (e->xclient.data.l[0] == xw.wmdeletewin) {
4186 /* Send SIGHUP to shell */
4193 cresize(int width, int height)
4202 col = (xw.w - 2 * borderpx) / xw.cw;
4203 row = (xw.h - 2 * borderpx) / xw.ch;
4213 if (e->xconfigure.width == xw.w && e->xconfigure.height == xw.h)
4216 cresize(e->xconfigure.width, e->xconfigure.height);
4223 int w = xw.w, h = xw.h;
4225 int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
4226 struct timespec drawtimeout, *tv = NULL, now, last, lastblink;
4229 /* Waiting for window mapping */
4231 XNextEvent(xw.dpy, &ev);
4233 * This XFilterEvent call is required because of XOpenIM. It
4234 * does filter out the key event and some client message for
4235 * the input method too.
4237 if (XFilterEvent(&ev, None))
4239 if (ev.type == ConfigureNotify) {
4240 w = ev.xconfigure.width;
4241 h = ev.xconfigure.height;
4243 } while (ev.type != MapNotify);
4248 clock_gettime(CLOCK_MONOTONIC, &last);
4251 for (xev = actionfps;;) {
4253 FD_SET(cmdfd, &rfd);
4256 if (pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
4259 die("select failed: %s\n", strerror(errno));
4261 if (FD_ISSET(cmdfd, &rfd)) {
4264 blinkset = tattrset(ATTR_BLINK);
4266 MODBIT(term.mode, 0, MODE_BLINK);
4270 if (FD_ISSET(xfd, &rfd))
4273 clock_gettime(CLOCK_MONOTONIC, &now);
4274 drawtimeout.tv_sec = 0;
4275 drawtimeout.tv_nsec = (1000 * 1E6)/ xfps;
4279 if (blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
4280 tsetdirtattr(ATTR_BLINK);
4281 term.mode ^= MODE_BLINK;
4285 deltatime = TIMEDIFF(now, last);
4286 if (deltatime > 1000 / (xev ? xfps : actionfps)) {
4292 while (XPending(xw.dpy)) {
4293 XNextEvent(xw.dpy, &ev);
4294 if (XFilterEvent(&ev, None))
4296 if (handler[ev.type])
4297 (handler[ev.type])(&ev);
4303 if (xev && !FD_ISSET(xfd, &rfd))
4305 if (!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
4307 if (TIMEDIFF(now, lastblink) \
4309 drawtimeout.tv_nsec = 1000;
4311 drawtimeout.tv_nsec = (1E6 * \
4316 drawtimeout.tv_sec = \
4317 drawtimeout.tv_nsec / 1E9;
4318 drawtimeout.tv_nsec %= (long)1E9;
4330 die("%s " VERSION " (c) 2010-2015 st engineers\n"
4331 "usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]\n"
4332 " [-i] [-t title] [-T title] [-w windowid] [-e command ...]"
4334 " st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]\n"
4335 " [-i] [-t title] [-T title] [-w windowid] -l line"
4336 " [stty_args ...]\n",
4341 main(int argc, char *argv[])
4343 uint cols = 80, rows = 24;
4347 xw.cursor = cursorshape;
4354 opt_class = EARGF(usage());
4361 opt_font = EARGF(usage());
4364 xw.gm = XParseGeometry(EARGF(usage()),
4365 &xw.l, &xw.t, &cols, &rows);
4371 opt_io = EARGF(usage());
4374 opt_line = EARGF(usage());
4378 opt_title = EARGF(usage());
4381 opt_embed = EARGF(usage());
4390 /* eat all remaining arguments */
4392 if (!opt_title && !opt_line)
4393 opt_title = basename(xstrdup(argv[0]));
4395 setlocale(LC_CTYPE, "");
4396 XSetLocaleModifiers("");
4397 tnew(MAX(cols, 1), MAX(rows, 1));