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 memset(&sel.tclick1, 0, sizeof(sel.tclick1));
699 memset(&sel.tclick2, 0, sizeof(sel.tclick2));
703 sel.clipboard = NULL;
704 sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
705 if (sel.xtarget == None)
706 sel.xtarget = XA_STRING;
715 return LIMIT(x, 0, term.col-1);
724 return LIMIT(y, 0, term.row-1);
732 if (term.line[y][i - 1].mode & ATTR_WRAP)
735 while (i > 0 && term.line[y][i - 1].u == ' ')
746 if (sel.type == SEL_REGULAR && sel.ob.y != sel.oe.y) {
747 sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x;
748 sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x;
750 sel.nb.x = MIN(sel.ob.x, sel.oe.x);
751 sel.ne.x = MAX(sel.ob.x, sel.oe.x);
753 sel.nb.y = MIN(sel.ob.y, sel.oe.y);
754 sel.ne.y = MAX(sel.ob.y, sel.oe.y);
756 selsnap(&sel.nb.x, &sel.nb.y, -1);
757 selsnap(&sel.ne.x, &sel.ne.y, +1);
759 /* expand selection over line breaks */
760 if (sel.type == SEL_RECTANGULAR)
762 i = tlinelen(sel.nb.y);
765 if (tlinelen(sel.ne.y) <= sel.ne.x)
766 sel.ne.x = term.col - 1;
770 selected(int x, int y)
772 if (sel.mode == SEL_EMPTY)
775 if (sel.type == SEL_RECTANGULAR)
776 return BETWEEN(y, sel.nb.y, sel.ne.y)
777 && BETWEEN(x, sel.nb.x, sel.ne.x);
779 return BETWEEN(y, sel.nb.y, sel.ne.y)
780 && (y != sel.nb.y || x >= sel.nb.x)
781 && (y != sel.ne.y || x <= sel.ne.x);
785 selsnap(int *x, int *y, int direction)
787 int newx, newy, xt, yt;
788 int delim, prevdelim;
794 * Snap around if the word wraps around at the end or
795 * beginning of a line.
797 prevgp = &term.line[*y][*x];
798 prevdelim = ISDELIM(prevgp->u);
800 newx = *x + direction;
802 if (!BETWEEN(newx, 0, term.col - 1)) {
804 newx = (newx + term.col) % term.col;
805 if (!BETWEEN(newy, 0, term.row - 1))
811 yt = newy, xt = newx;
812 if (!(term.line[yt][xt].mode & ATTR_WRAP))
816 if (newx >= tlinelen(newy))
819 gp = &term.line[newy][newx];
820 delim = ISDELIM(gp->u);
821 if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
822 || (delim && gp->u != prevgp->u)))
833 * Snap around if the the previous line or the current one
834 * has set ATTR_WRAP at its end. Then the whole next or
835 * previous line will be selected.
837 *x = (direction < 0) ? 0 : term.col - 1;
839 for (; *y > 0; *y += direction) {
840 if (!(term.line[*y-1][term.col-1].mode
845 } else if (direction > 0) {
846 for (; *y < term.row-1; *y += direction) {
847 if (!(term.line[*y][term.col-1].mode
858 getbuttoninfo(XEvent *e)
861 uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
863 sel.alt = IS_SET(MODE_ALTSCREEN);
865 sel.oe.x = x2col(e->xbutton.x);
866 sel.oe.y = y2row(e->xbutton.y);
869 sel.type = SEL_REGULAR;
870 for (type = 1; type < LEN(selmasks); ++type) {
871 if (match(selmasks[type], state)) {
879 mousereport(XEvent *e)
881 int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
882 button = e->xbutton.button, state = e->xbutton.state,
888 if (e->xbutton.type == MotionNotify) {
889 if (x == ox && y == oy)
891 if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
893 /* MOUSE_MOTION: no reporting if no button is pressed */
894 if (IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
897 button = oldbutton + 32;
901 if (!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
908 if (e->xbutton.type == ButtonPress) {
912 } else if (e->xbutton.type == ButtonRelease) {
914 /* MODE_MOUSEX10: no button release reporting */
915 if (IS_SET(MODE_MOUSEX10))
917 if (button == 64 || button == 65)
922 if (!IS_SET(MODE_MOUSEX10)) {
923 button += ((state & ShiftMask ) ? 4 : 0)
924 + ((state & Mod4Mask ) ? 8 : 0)
925 + ((state & ControlMask) ? 16 : 0);
928 if (IS_SET(MODE_MOUSESGR)) {
929 len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
931 e->xbutton.type == ButtonRelease ? 'm' : 'M');
932 } else if (x < 223 && y < 223) {
933 len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
934 32+button, 32+x+1, 32+y+1);
948 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
953 for (mk = mshortcuts; mk < mshortcuts + LEN(mshortcuts); mk++) {
954 if (e->xbutton.button == mk->b
955 && match(mk->mask, e->xbutton.state)) {
956 ttysend(mk->s, strlen(mk->s));
961 if (e->xbutton.button == Button1) {
962 clock_gettime(CLOCK_MONOTONIC, &now);
964 /* Clear previous selection, logically and visually. */
966 sel.mode = SEL_EMPTY;
967 sel.type = SEL_REGULAR;
968 sel.oe.x = sel.ob.x = x2col(e->xbutton.x);
969 sel.oe.y = sel.ob.y = y2row(e->xbutton.y);
972 * If the user clicks below predefined timeouts specific
973 * snapping behaviour is exposed.
975 if (TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
976 sel.snap = SNAP_LINE;
977 } else if (TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
978 sel.snap = SNAP_WORD;
985 sel.mode = SEL_READY;
986 tsetdirt(sel.nb.y, sel.ne.y);
987 sel.tclick2 = sel.tclick1;
996 int y, bufsize, lastx, linelen;
1002 bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ;
1003 ptr = str = xmalloc(bufsize);
1005 /* append every set & selected glyph to the selection */
1006 for (y = sel.nb.y; y <= sel.ne.y; y++) {
1007 linelen = tlinelen(y);
1009 if (sel.type == SEL_RECTANGULAR) {
1010 gp = &term.line[y][sel.nb.x];
1013 gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0];
1014 lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
1016 last = &term.line[y][MIN(lastx, linelen-1)];
1017 while (last >= gp && last->u == ' ')
1020 for ( ; gp <= last; ++gp) {
1021 if (gp->mode & ATTR_WDUMMY)
1024 ptr += utf8encode(gp->u, ptr);
1028 * Copy and pasting of line endings is inconsistent
1029 * in the inconsistent terminal and GUI world.
1030 * The best solution seems like to produce '\n' when
1031 * something is copied from st and convert '\n' to
1032 * '\r', when something to be pasted is received by
1034 * FIXME: Fix the computer world.
1036 if ((y < sel.ne.y || lastx >= linelen) && !(last->mode & ATTR_WRAP))
1046 xsetsel(getsel(), t);
1050 propnotify(XEvent *e)
1052 XPropertyEvent *xpev;
1053 Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
1055 xpev = &e->xproperty;
1056 if (xpev->state == PropertyNewValue &&
1057 (xpev->atom == XA_PRIMARY ||
1058 xpev->atom == clipboard)) {
1064 selnotify(XEvent *e)
1066 ulong nitems, ofs, rem;
1068 uchar *data, *last, *repl;
1069 Atom type, incratom, property;
1071 incratom = XInternAtom(xw.dpy, "INCR", 0);
1074 if (e->type == SelectionNotify) {
1075 property = e->xselection.property;
1076 } else if(e->type == PropertyNotify) {
1077 property = e->xproperty.atom;
1081 if (property == None)
1085 if (XGetWindowProperty(xw.dpy, xw.win, property, ofs,
1086 BUFSIZ/4, False, AnyPropertyType,
1087 &type, &format, &nitems, &rem,
1089 fprintf(stderr, "Clipboard allocation failed\n");
1093 if (e->type == PropertyNotify && nitems == 0 && rem == 0) {
1095 * If there is some PropertyNotify with no data, then
1096 * this is the signal of the selection owner that all
1097 * data has been transferred. We won't need to receive
1098 * PropertyNotify events anymore.
1100 MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask);
1101 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
1105 if (type == incratom) {
1107 * Activate the PropertyNotify events so we receive
1108 * when the selection owner does send us the next
1111 MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask);
1112 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
1116 * Deleting the property is the transfer start signal.
1118 XDeleteProperty(xw.dpy, xw.win, (int)property);
1123 * As seen in getsel:
1124 * Line endings are inconsistent in the terminal and GUI world
1125 * copy and pasting. When receiving some selection data,
1126 * replace all '\n' with '\r'.
1127 * FIXME: Fix the computer world.
1130 last = data + nitems * format / 8;
1131 while ((repl = memchr(repl, '\n', last - repl))) {
1135 if (IS_SET(MODE_BRCKTPASTE))
1136 ttywrite("\033[200~", 6);
1137 ttysend((char *)data, nitems * format / 8);
1138 if (IS_SET(MODE_BRCKTPASTE))
1139 ttywrite("\033[201~", 6);
1141 /* number of 32-bit chunks returned */
1142 ofs += nitems * format / 32;
1146 * Deleting the property again tells the selection owner to send the
1147 * next data chunk in the property.
1149 if (e->type == PropertyNotify)
1150 XDeleteProperty(xw.dpy, xw.win, (int)property);
1154 selpaste(const Arg *dummy)
1156 XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY,
1157 xw.win, CurrentTime);
1161 clipcopy(const Arg *dummy)
1165 if (sel.clipboard != NULL)
1166 free(sel.clipboard);
1168 if (sel.primary != NULL) {
1169 sel.clipboard = xstrdup(sel.primary);
1170 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
1171 XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
1176 clippaste(const Arg *dummy)
1180 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
1181 XConvertSelection(xw.dpy, clipboard, sel.xtarget, clipboard,
1182 xw.win, CurrentTime);
1190 sel.mode = SEL_IDLE;
1192 tsetdirt(sel.nb.y, sel.ne.y);
1196 selrequest(XEvent *e)
1198 XSelectionRequestEvent *xsre;
1199 XSelectionEvent xev;
1200 Atom xa_targets, string, clipboard;
1203 xsre = (XSelectionRequestEvent *) e;
1204 xev.type = SelectionNotify;
1205 xev.requestor = xsre->requestor;
1206 xev.selection = xsre->selection;
1207 xev.target = xsre->target;
1208 xev.time = xsre->time;
1209 if (xsre->property == None)
1210 xsre->property = xsre->target;
1213 xev.property = None;
1215 xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
1216 if (xsre->target == xa_targets) {
1217 /* respond with the supported type */
1218 string = sel.xtarget;
1219 XChangeProperty(xsre->display, xsre->requestor, xsre->property,
1220 XA_ATOM, 32, PropModeReplace,
1221 (uchar *) &string, 1);
1222 xev.property = xsre->property;
1223 } else if (xsre->target == sel.xtarget || xsre->target == XA_STRING) {
1225 * xith XA_STRING non ascii characters may be incorrect in the
1226 * requestor. It is not our problem, use utf8.
1228 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
1229 if (xsre->selection == XA_PRIMARY) {
1230 seltext = sel.primary;
1231 } else if (xsre->selection == clipboard) {
1232 seltext = sel.clipboard;
1235 "Unhandled clipboard selection 0x%lx\n",
1239 if (seltext != NULL) {
1240 XChangeProperty(xsre->display, xsre->requestor,
1241 xsre->property, xsre->target,
1243 (uchar *)seltext, strlen(seltext));
1244 xev.property = xsre->property;
1248 /* all done, send a notification to the listener */
1249 if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev))
1250 fprintf(stderr, "Error sending SelectionNotify event\n");
1254 xsetsel(char *str, Time t)
1259 XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
1260 if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
1267 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
1272 if (e->xbutton.button == Button2) {
1274 } else if (e->xbutton.button == Button1) {
1275 if (sel.mode == SEL_READY) {
1277 selcopy(e->xbutton.time);
1280 sel.mode = SEL_IDLE;
1281 tsetdirt(sel.nb.y, sel.ne.y);
1288 int oldey, oldex, oldsby, oldsey;
1290 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
1298 sel.mode = SEL_READY;
1305 if (oldey != sel.oe.y || oldex != sel.oe.x)
1306 tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
1310 die(const char *errstr, ...)
1314 va_start(ap, errstr);
1315 vfprintf(stderr, errstr, ap);
1323 char **args, *sh, *prog;
1324 const struct passwd *pw;
1325 char buf[sizeof(long) * 8 + 1];
1328 if ((pw = getpwuid(getuid())) == NULL) {
1330 die("getpwuid:%s\n", strerror(errno));
1332 die("who are you?\n");
1335 if ((sh = getenv("SHELL")) == NULL)
1336 sh = (pw->pw_shell[0]) ? pw->pw_shell : shell;
1344 args = (opt_cmd) ? opt_cmd : (char *[]) {prog, NULL};
1346 snprintf(buf, sizeof(buf), "%lu", xw.win);
1348 unsetenv("COLUMNS");
1350 unsetenv("TERMCAP");
1351 setenv("LOGNAME", pw->pw_name, 1);
1352 setenv("USER", pw->pw_name, 1);
1353 setenv("SHELL", sh, 1);
1354 setenv("HOME", pw->pw_dir, 1);
1355 setenv("TERM", termname, 1);
1356 setenv("WINDOWID", buf, 1);
1358 signal(SIGCHLD, SIG_DFL);
1359 signal(SIGHUP, SIG_DFL);
1360 signal(SIGINT, SIG_DFL);
1361 signal(SIGQUIT, SIG_DFL);
1362 signal(SIGTERM, SIG_DFL);
1363 signal(SIGALRM, SIG_DFL);
1375 if ((p = waitpid(pid, &stat, WNOHANG)) < 0)
1376 die("Waiting for pid %hd failed: %s\n", pid, strerror(errno));
1381 if (!WIFEXITED(stat) || WEXITSTATUS(stat))
1382 die("child finished with error '%d'\n", stat);
1390 char cmd[_POSIX_ARG_MAX], **p, *q, *s;
1393 if ((n = strlen(stty_args)) > sizeof(cmd)-1)
1394 die("incorrect stty parameters\n");
1395 memcpy(cmd, stty_args, n);
1397 siz = sizeof(cmd) - n;
1398 for (p = opt_cmd; p && (s = *p); ++p) {
1399 if ((n = strlen(s)) > siz-1)
1400 die("stty parameter length too long\n");
1402 q = memcpy(q, s, n);
1407 if (system(cmd) != 0)
1408 perror("Couldn't call stty");
1415 struct winsize w = {term.row, term.col, 0, 0};
1418 term.mode |= MODE_PRINT;
1419 iofd = (!strcmp(opt_io, "-")) ?
1420 1 : open(opt_io, O_WRONLY | O_CREAT, 0666);
1422 fprintf(stderr, "Error opening %s:%s\n",
1423 opt_io, strerror(errno));
1428 if ((cmdfd = open(opt_line, O_RDWR)) < 0)
1429 die("open line failed: %s\n", strerror(errno));
1436 /* seems to work fine on linux, openbsd and freebsd */
1437 if (openpty(&m, &s, NULL, NULL, &w) < 0)
1438 die("openpty failed: %s\n", strerror(errno));
1440 switch (pid = fork()) {
1442 die("fork failed\n");
1446 setsid(); /* create a new process group */
1450 if (ioctl(s, TIOCSCTTY, NULL) < 0)
1451 die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
1459 signal(SIGCHLD, sigchld);
1467 static char buf[BUFSIZ];
1468 static int buflen = 0;
1470 int charsize; /* size of utf8 char in bytes */
1474 /* append read bytes to unprocessed bytes */
1475 if ((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0)
1476 die("Couldn't read from shell: %s\n", strerror(errno));
1478 /* process every complete utf8 char */
1481 while ((charsize = utf8decode(ptr, &unicodep, buflen))) {
1487 /* keep any uncomplete utf8 char for the next call */
1488 memmove(buf, ptr, buflen);
1492 ttywrite(const char *s, size_t n)
1499 * Remember that we are using a pty, which might be a modem line.
1500 * Writing too much will clog the line. That's why we are doing this
1502 * FIXME: Migrate the world to Plan 9.
1506 FD_SET(cmdfd, &wfd);
1510 /* Check if we can write. */
1511 if (pselect(cmdfd+1, NULL, &wfd, NULL, &tv, NULL) < 0) {
1514 die("select failed: %s\n", strerror(errno));
1516 if(!FD_ISSET(cmdfd, &wfd)) {
1517 /* No, then free some buffer space. */
1521 * Only write 256 bytes at maximum. This seems to be a
1522 * reasonable value for a serial line. Bigger values
1523 * might clog the I/O.
1525 r = write(cmdfd, s, (n < 256)? n : 256);
1527 die("write error on tty: %s\n",
1532 * We weren't able to write out everything.
1533 * This means the buffer is getting full
1541 /* All bytes have been written. */
1549 ttysend(char *s, size_t n)
1555 if (IS_SET(MODE_ECHO))
1556 while ((len = utf8decode(s, &u, n)) > 0) {
1568 w.ws_row = term.row;
1569 w.ws_col = term.col;
1570 w.ws_xpixel = xw.tw;
1571 w.ws_ypixel = xw.th;
1572 if (ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
1573 fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno));
1581 for (i = 0; i < term.row-1; i++) {
1582 for (j = 0; j < term.col-1; j++) {
1583 if (term.line[i][j].mode & attr)
1592 tsetdirt(int top, int bot)
1596 LIMIT(top, 0, term.row-1);
1597 LIMIT(bot, 0, term.row-1);
1599 for (i = top; i <= bot; i++)
1604 tsetdirtattr(int attr)
1608 for (i = 0; i < term.row-1; i++) {
1609 for (j = 0; j < term.col-1; j++) {
1610 if (term.line[i][j].mode & attr) {
1621 tsetdirt(0, term.row-1);
1627 static TCursor c[2];
1628 int alt = IS_SET(MODE_ALTSCREEN);
1630 if (mode == CURSOR_SAVE) {
1632 } else if (mode == CURSOR_LOAD) {
1634 tmoveto(c[alt].x, c[alt].y);
1643 term.c = (TCursor){{
1647 }, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
1649 memset(term.tabs, 0, term.col * sizeof(*term.tabs));
1650 for (i = tabspaces; i < term.col; i += tabspaces)
1653 term.bot = term.row - 1;
1654 term.mode = MODE_WRAP;
1655 memset(term.trantbl, CS_USA, sizeof(term.trantbl));
1658 for (i = 0; i < 2; i++) {
1660 tcursor(CURSOR_SAVE);
1661 tclearregion(0, 0, term.col-1, term.row-1);
1667 tnew(int col, int row)
1669 term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } };
1679 Line *tmp = term.line;
1681 term.line = term.alt;
1683 term.mode ^= MODE_ALTSCREEN;
1688 tscrolldown(int orig, int n)
1693 LIMIT(n, 0, term.bot-orig+1);
1695 tsetdirt(orig, term.bot-n);
1696 tclearregion(0, term.bot-n+1, term.col-1, term.bot);
1698 for (i = term.bot; i >= orig+n; i--) {
1699 temp = term.line[i];
1700 term.line[i] = term.line[i-n];
1701 term.line[i-n] = temp;
1708 tscrollup(int orig, int n)
1713 LIMIT(n, 0, term.bot-orig+1);
1715 tclearregion(0, orig, term.col-1, orig+n-1);
1716 tsetdirt(orig+n, term.bot);
1718 for (i = orig; i <= term.bot-n; i++) {
1719 temp = term.line[i];
1720 term.line[i] = term.line[i+n];
1721 term.line[i+n] = temp;
1724 selscroll(orig, -n);
1728 selscroll(int orig, int n)
1733 if (BETWEEN(sel.ob.y, orig, term.bot) || BETWEEN(sel.oe.y, orig, term.bot)) {
1734 if ((sel.ob.y += n) > term.bot || (sel.oe.y += n) < term.top) {
1738 if (sel.type == SEL_RECTANGULAR) {
1739 if (sel.ob.y < term.top)
1740 sel.ob.y = term.top;
1741 if (sel.oe.y > term.bot)
1742 sel.oe.y = term.bot;
1744 if (sel.ob.y < term.top) {
1745 sel.ob.y = term.top;
1748 if (sel.oe.y > term.bot) {
1749 sel.oe.y = term.bot;
1750 sel.oe.x = term.col;
1758 tnewline(int first_col)
1762 if (y == term.bot) {
1763 tscrollup(term.top, 1);
1767 tmoveto(first_col ? 0 : term.c.x, y);
1773 char *p = csiescseq.buf, *np;
1782 csiescseq.buf[csiescseq.len] = '\0';
1783 while (p < csiescseq.buf+csiescseq.len) {
1785 v = strtol(p, &np, 10);
1788 if (v == LONG_MAX || v == LONG_MIN)
1790 csiescseq.arg[csiescseq.narg++] = v;
1792 if (*p != ';' || csiescseq.narg == ESC_ARG_SIZ)
1796 csiescseq.mode[0] = *p++;
1797 csiescseq.mode[1] = (p < csiescseq.buf+csiescseq.len) ? *p : '\0';
1800 /* for absolute user moves, when decom is set */
1802 tmoveato(int x, int y)
1804 tmoveto(x, y + ((term.c.state & CURSOR_ORIGIN) ? term.top: 0));
1808 tmoveto(int x, int y)
1812 if (term.c.state & CURSOR_ORIGIN) {
1817 maxy = term.row - 1;
1819 term.c.state &= ~CURSOR_WRAPNEXT;
1820 term.c.x = LIMIT(x, 0, term.col-1);
1821 term.c.y = LIMIT(y, miny, maxy);
1825 tsetchar(Rune u, Glyph *attr, int x, int y)
1827 static char *vt100_0[62] = { /* 0x41 - 0x7e */
1828 "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
1829 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
1830 0, 0, 0, 0, 0, 0, 0, 0, /* P - W */
1831 0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */
1832 "◆", "▒", "␉", "␌", "␍", "␊", "°", "±", /* ` - g */
1833 "", "␋", "┘", "┐", "┌", "└", "┼", "⎺", /* h - o */
1834 "⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */
1835 "│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */
1839 * The table is proudly stolen from rxvt.
1841 if (term.trantbl[term.charset] == CS_GRAPHIC0 &&
1842 BETWEEN(u, 0x41, 0x7e) && vt100_0[u - 0x41])
1843 utf8decode(vt100_0[u - 0x41], &u, UTF_SIZ);
1845 if (term.line[y][x].mode & ATTR_WIDE) {
1846 if (x+1 < term.col) {
1847 term.line[y][x+1].u = ' ';
1848 term.line[y][x+1].mode &= ~ATTR_WDUMMY;
1850 } else if (term.line[y][x].mode & ATTR_WDUMMY) {
1851 term.line[y][x-1].u = ' ';
1852 term.line[y][x-1].mode &= ~ATTR_WIDE;
1856 term.line[y][x] = *attr;
1857 term.line[y][x].u = u;
1861 tclearregion(int x1, int y1, int x2, int y2)
1867 temp = x1, x1 = x2, x2 = temp;
1869 temp = y1, y1 = y2, y2 = temp;
1871 LIMIT(x1, 0, term.col-1);
1872 LIMIT(x2, 0, term.col-1);
1873 LIMIT(y1, 0, term.row-1);
1874 LIMIT(y2, 0, term.row-1);
1876 for (y = y1; y <= y2; y++) {
1878 for (x = x1; x <= x2; x++) {
1879 gp = &term.line[y][x];
1882 gp->fg = term.c.attr.fg;
1883 gp->bg = term.c.attr.bg;
1896 LIMIT(n, 0, term.col - term.c.x);
1900 size = term.col - src;
1901 line = term.line[term.c.y];
1903 memmove(&line[dst], &line[src], size * sizeof(Glyph));
1904 tclearregion(term.col-n, term.c.y, term.col-1, term.c.y);
1913 LIMIT(n, 0, term.col - term.c.x);
1917 size = term.col - dst;
1918 line = term.line[term.c.y];
1920 memmove(&line[dst], &line[src], size * sizeof(Glyph));
1921 tclearregion(src, term.c.y, dst - 1, term.c.y);
1925 tinsertblankline(int n)
1927 if (BETWEEN(term.c.y, term.top, term.bot))
1928 tscrolldown(term.c.y, n);
1934 if (BETWEEN(term.c.y, term.top, term.bot))
1935 tscrollup(term.c.y, n);
1939 tdefcolor(int *attr, int *npar, int l)
1944 switch (attr[*npar + 1]) {
1945 case 2: /* direct color in RGB space */
1946 if (*npar + 4 >= l) {
1948 "erresc(38): Incorrect number of parameters (%d)\n",
1952 r = attr[*npar + 2];
1953 g = attr[*npar + 3];
1954 b = attr[*npar + 4];
1956 if (!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255))
1957 fprintf(stderr, "erresc: bad rgb color (%u,%u,%u)\n",
1960 idx = TRUECOLOR(r, g, b);
1962 case 5: /* indexed color */
1963 if (*npar + 2 >= l) {
1965 "erresc(38): Incorrect number of parameters (%d)\n",
1970 if (!BETWEEN(attr[*npar], 0, 255))
1971 fprintf(stderr, "erresc: bad fgcolor %d\n", attr[*npar]);
1975 case 0: /* implemented defined (only foreground) */
1976 case 1: /* transparent */
1977 case 3: /* direct color in CMY space */
1978 case 4: /* direct color in CMYK space */
1981 "erresc(38): gfx attr %d unknown\n", attr[*npar]);
1989 tsetattr(int *attr, int l)
1994 for (i = 0; i < l; i++) {
1997 term.c.attr.mode &= ~(
2006 term.c.attr.fg = defaultfg;
2007 term.c.attr.bg = defaultbg;
2010 term.c.attr.mode |= ATTR_BOLD;
2013 term.c.attr.mode |= ATTR_FAINT;
2016 term.c.attr.mode |= ATTR_ITALIC;
2019 term.c.attr.mode |= ATTR_UNDERLINE;
2021 case 5: /* slow blink */
2023 case 6: /* rapid blink */
2024 term.c.attr.mode |= ATTR_BLINK;
2027 term.c.attr.mode |= ATTR_REVERSE;
2030 term.c.attr.mode |= ATTR_INVISIBLE;
2033 term.c.attr.mode |= ATTR_STRUCK;
2036 term.c.attr.mode &= ~(ATTR_BOLD | ATTR_FAINT);
2039 term.c.attr.mode &= ~ATTR_ITALIC;
2042 term.c.attr.mode &= ~ATTR_UNDERLINE;
2045 term.c.attr.mode &= ~ATTR_BLINK;
2048 term.c.attr.mode &= ~ATTR_REVERSE;
2051 term.c.attr.mode &= ~ATTR_INVISIBLE;
2054 term.c.attr.mode &= ~ATTR_STRUCK;
2057 if ((idx = tdefcolor(attr, &i, l)) >= 0)
2058 term.c.attr.fg = idx;
2061 term.c.attr.fg = defaultfg;
2064 if ((idx = tdefcolor(attr, &i, l)) >= 0)
2065 term.c.attr.bg = idx;
2068 term.c.attr.bg = defaultbg;
2071 if (BETWEEN(attr[i], 30, 37)) {
2072 term.c.attr.fg = attr[i] - 30;
2073 } else if (BETWEEN(attr[i], 40, 47)) {
2074 term.c.attr.bg = attr[i] - 40;
2075 } else if (BETWEEN(attr[i], 90, 97)) {
2076 term.c.attr.fg = attr[i] - 90 + 8;
2077 } else if (BETWEEN(attr[i], 100, 107)) {
2078 term.c.attr.bg = attr[i] - 100 + 8;
2081 "erresc(default): gfx attr %d unknown\n",
2082 attr[i]), csidump();
2090 tsetscroll(int t, int b)
2094 LIMIT(t, 0, term.row-1);
2095 LIMIT(b, 0, term.row-1);
2106 tsetmode(int priv, int set, int *args, int narg)
2111 for (lim = args + narg; args < lim; ++args) {
2114 case 1: /* DECCKM -- Cursor key */
2115 MODBIT(term.mode, set, MODE_APPCURSOR);
2117 case 5: /* DECSCNM -- Reverse video */
2119 MODBIT(term.mode, set, MODE_REVERSE);
2120 if (mode != term.mode)
2123 case 6: /* DECOM -- Origin */
2124 MODBIT(term.c.state, set, CURSOR_ORIGIN);
2127 case 7: /* DECAWM -- Auto wrap */
2128 MODBIT(term.mode, set, MODE_WRAP);
2130 case 0: /* Error (IGNORED) */
2131 case 2: /* DECANM -- ANSI/VT52 (IGNORED) */
2132 case 3: /* DECCOLM -- Column (IGNORED) */
2133 case 4: /* DECSCLM -- Scroll (IGNORED) */
2134 case 8: /* DECARM -- Auto repeat (IGNORED) */
2135 case 18: /* DECPFF -- Printer feed (IGNORED) */
2136 case 19: /* DECPEX -- Printer extent (IGNORED) */
2137 case 42: /* DECNRCM -- National characters (IGNORED) */
2138 case 12: /* att610 -- Start blinking cursor (IGNORED) */
2140 case 25: /* DECTCEM -- Text Cursor Enable Mode */
2141 MODBIT(term.mode, !set, MODE_HIDE);
2143 case 9: /* X10 mouse compatibility mode */
2144 xsetpointermotion(0);
2145 MODBIT(term.mode, 0, MODE_MOUSE);
2146 MODBIT(term.mode, set, MODE_MOUSEX10);
2148 case 1000: /* 1000: report button press */
2149 xsetpointermotion(0);
2150 MODBIT(term.mode, 0, MODE_MOUSE);
2151 MODBIT(term.mode, set, MODE_MOUSEBTN);
2153 case 1002: /* 1002: report motion on button press */
2154 xsetpointermotion(0);
2155 MODBIT(term.mode, 0, MODE_MOUSE);
2156 MODBIT(term.mode, set, MODE_MOUSEMOTION);
2158 case 1003: /* 1003: enable all mouse motions */
2159 xsetpointermotion(set);
2160 MODBIT(term.mode, 0, MODE_MOUSE);
2161 MODBIT(term.mode, set, MODE_MOUSEMANY);
2163 case 1004: /* 1004: send focus events to tty */
2164 MODBIT(term.mode, set, MODE_FOCUS);
2166 case 1006: /* 1006: extended reporting mode */
2167 MODBIT(term.mode, set, MODE_MOUSESGR);
2170 MODBIT(term.mode, set, MODE_8BIT);
2172 case 1049: /* swap screen & set/restore cursor as xterm */
2173 if (!allowaltscreen)
2175 tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
2177 case 47: /* swap screen */
2179 if (!allowaltscreen)
2181 alt = IS_SET(MODE_ALTSCREEN);
2183 tclearregion(0, 0, term.col-1,
2186 if (set ^ alt) /* set is always 1 or 0 */
2192 tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
2194 case 2004: /* 2004: bracketed paste mode */
2195 MODBIT(term.mode, set, MODE_BRCKTPASTE);
2197 /* Not implemented mouse modes. See comments there. */
2198 case 1001: /* mouse highlight mode; can hang the
2199 terminal by design when implemented. */
2200 case 1005: /* UTF-8 mouse mode; will confuse
2201 applications not supporting UTF-8
2203 case 1015: /* urxvt mangled mouse mode; incompatible
2204 and can be mistaken for other control
2208 "erresc: unknown private set/reset mode %d\n",
2214 case 0: /* Error (IGNORED) */
2216 case 2: /* KAM -- keyboard action */
2217 MODBIT(term.mode, set, MODE_KBDLOCK);
2219 case 4: /* IRM -- Insertion-replacement */
2220 MODBIT(term.mode, set, MODE_INSERT);
2222 case 12: /* SRM -- Send/Receive */
2223 MODBIT(term.mode, !set, MODE_ECHO);
2225 case 20: /* LNM -- Linefeed/new line */
2226 MODBIT(term.mode, set, MODE_CRLF);
2230 "erresc: unknown set/reset mode %d\n",
2244 switch (csiescseq.mode[0]) {
2247 fprintf(stderr, "erresc: unknown csi ");
2251 case '@': /* ICH -- Insert <n> blank char */
2252 DEFAULT(csiescseq.arg[0], 1);
2253 tinsertblank(csiescseq.arg[0]);
2255 case 'A': /* CUU -- Cursor <n> Up */
2256 DEFAULT(csiescseq.arg[0], 1);
2257 tmoveto(term.c.x, term.c.y-csiescseq.arg[0]);
2259 case 'B': /* CUD -- Cursor <n> Down */
2260 case 'e': /* VPR --Cursor <n> Down */
2261 DEFAULT(csiescseq.arg[0], 1);
2262 tmoveto(term.c.x, term.c.y+csiescseq.arg[0]);
2264 case 'i': /* MC -- Media Copy */
2265 switch (csiescseq.arg[0]) {
2270 tdumpline(term.c.y);
2276 term.mode &= ~MODE_PRINT;
2279 term.mode |= MODE_PRINT;
2283 case 'c': /* DA -- Device Attributes */
2284 if (csiescseq.arg[0] == 0)
2285 ttywrite(vtiden, sizeof(vtiden) - 1);
2287 case 'C': /* CUF -- Cursor <n> Forward */
2288 case 'a': /* HPR -- Cursor <n> Forward */
2289 DEFAULT(csiescseq.arg[0], 1);
2290 tmoveto(term.c.x+csiescseq.arg[0], term.c.y);
2292 case 'D': /* CUB -- Cursor <n> Backward */
2293 DEFAULT(csiescseq.arg[0], 1);
2294 tmoveto(term.c.x-csiescseq.arg[0], term.c.y);
2296 case 'E': /* CNL -- Cursor <n> Down and first col */
2297 DEFAULT(csiescseq.arg[0], 1);
2298 tmoveto(0, term.c.y+csiescseq.arg[0]);
2300 case 'F': /* CPL -- Cursor <n> Up and first col */
2301 DEFAULT(csiescseq.arg[0], 1);
2302 tmoveto(0, term.c.y-csiescseq.arg[0]);
2304 case 'g': /* TBC -- Tabulation clear */
2305 switch (csiescseq.arg[0]) {
2306 case 0: /* clear current tab stop */
2307 term.tabs[term.c.x] = 0;
2309 case 3: /* clear all the tabs */
2310 memset(term.tabs, 0, term.col * sizeof(*term.tabs));
2316 case 'G': /* CHA -- Move to <col> */
2318 DEFAULT(csiescseq.arg[0], 1);
2319 tmoveto(csiescseq.arg[0]-1, term.c.y);
2321 case 'H': /* CUP -- Move to <row> <col> */
2323 DEFAULT(csiescseq.arg[0], 1);
2324 DEFAULT(csiescseq.arg[1], 1);
2325 tmoveato(csiescseq.arg[1]-1, csiescseq.arg[0]-1);
2327 case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
2328 DEFAULT(csiescseq.arg[0], 1);
2329 tputtab(csiescseq.arg[0]);
2331 case 'J': /* ED -- Clear screen */
2333 switch (csiescseq.arg[0]) {
2335 tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
2336 if (term.c.y < term.row-1) {
2337 tclearregion(0, term.c.y+1, term.col-1,
2343 tclearregion(0, 0, term.col-1, term.c.y-1);
2344 tclearregion(0, term.c.y, term.c.x, term.c.y);
2347 tclearregion(0, 0, term.col-1, term.row-1);
2353 case 'K': /* EL -- Clear line */
2354 switch (csiescseq.arg[0]) {
2356 tclearregion(term.c.x, term.c.y, term.col-1,
2360 tclearregion(0, term.c.y, term.c.x, term.c.y);
2363 tclearregion(0, term.c.y, term.col-1, term.c.y);
2367 case 'S': /* SU -- Scroll <n> line up */
2368 DEFAULT(csiescseq.arg[0], 1);
2369 tscrollup(term.top, csiescseq.arg[0]);
2371 case 'T': /* SD -- Scroll <n> line down */
2372 DEFAULT(csiescseq.arg[0], 1);
2373 tscrolldown(term.top, csiescseq.arg[0]);
2375 case 'L': /* IL -- Insert <n> blank lines */
2376 DEFAULT(csiescseq.arg[0], 1);
2377 tinsertblankline(csiescseq.arg[0]);
2379 case 'l': /* RM -- Reset Mode */
2380 tsetmode(csiescseq.priv, 0, csiescseq.arg, csiescseq.narg);
2382 case 'M': /* DL -- Delete <n> lines */
2383 DEFAULT(csiescseq.arg[0], 1);
2384 tdeleteline(csiescseq.arg[0]);
2386 case 'X': /* ECH -- Erase <n> char */
2387 DEFAULT(csiescseq.arg[0], 1);
2388 tclearregion(term.c.x, term.c.y,
2389 term.c.x + csiescseq.arg[0] - 1, term.c.y);
2391 case 'P': /* DCH -- Delete <n> char */
2392 DEFAULT(csiescseq.arg[0], 1);
2393 tdeletechar(csiescseq.arg[0]);
2395 case 'Z': /* CBT -- Cursor Backward Tabulation <n> tab stops */
2396 DEFAULT(csiescseq.arg[0], 1);
2397 tputtab(-csiescseq.arg[0]);
2399 case 'd': /* VPA -- Move to <row> */
2400 DEFAULT(csiescseq.arg[0], 1);
2401 tmoveato(term.c.x, csiescseq.arg[0]-1);
2403 case 'h': /* SM -- Set terminal mode */
2404 tsetmode(csiescseq.priv, 1, csiescseq.arg, csiescseq.narg);
2406 case 'm': /* SGR -- Terminal attribute (color) */
2407 tsetattr(csiescseq.arg, csiescseq.narg);
2409 case 'n': /* DSR – Device Status Report (cursor position) */
2410 if (csiescseq.arg[0] == 6) {
2411 len = snprintf(buf, sizeof(buf),"\033[%i;%iR",
2412 term.c.y+1, term.c.x+1);
2416 case 'r': /* DECSTBM -- Set Scrolling Region */
2417 if (csiescseq.priv) {
2420 DEFAULT(csiescseq.arg[0], 1);
2421 DEFAULT(csiescseq.arg[1], term.row);
2422 tsetscroll(csiescseq.arg[0]-1, csiescseq.arg[1]-1);
2426 case 's': /* DECSC -- Save cursor position (ANSI.SYS) */
2427 tcursor(CURSOR_SAVE);
2429 case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */
2430 tcursor(CURSOR_LOAD);
2433 switch (csiescseq.mode[1]) {
2434 case 'q': /* DECSCUSR -- Set Cursor Style */
2435 DEFAULT(csiescseq.arg[0], 1);
2436 if (!BETWEEN(csiescseq.arg[0], 0, 6)) {
2439 xw.cursor = csiescseq.arg[0];
2455 for (i = 0; i < csiescseq.len; i++) {
2456 c = csiescseq.buf[i] & 0xff;
2459 } else if (c == '\n') {
2461 } else if (c == '\r') {
2463 } else if (c == 0x1b) {
2466 printf("(%02x)", c);
2475 memset(&csiescseq, 0, sizeof(csiescseq));
2484 term.esc &= ~(ESC_STR_END|ESC_STR);
2486 par = (narg = strescseq.narg) ? atoi(strescseq.args[0]) : 0;
2488 switch (strescseq.type) {
2489 case ']': /* OSC -- Operating System Command */
2495 xsettitle(strescseq.args[1]);
2497 case 4: /* color set */
2500 p = strescseq.args[2];
2502 case 104: /* color reset, here p = NULL */
2503 j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
2504 if (xsetcolorname(j, p)) {
2505 fprintf(stderr, "erresc: invalid color %s\n", p);
2508 * TODO if defaultbg color is changed, borders
2516 case 'k': /* old title set compatibility */
2517 xsettitle(strescseq.args[0]);
2519 case 'P': /* DCS -- Device Control String */
2520 case '_': /* APC -- Application Program Command */
2521 case '^': /* PM -- Privacy Message */
2525 fprintf(stderr, "erresc: unknown str ");
2533 char *p = strescseq.buf;
2536 strescseq.buf[strescseq.len] = '\0';
2541 while (strescseq.narg < STR_ARG_SIZ) {
2542 strescseq.args[strescseq.narg++] = p;
2543 while ((c = *p) != ';' && c != '\0')
2557 printf("ESC%c", strescseq.type);
2558 for (i = 0; i < strescseq.len; i++) {
2559 c = strescseq.buf[i] & 0xff;
2562 } else if (isprint(c)) {
2564 } else if (c == '\n') {
2566 } else if (c == '\r') {
2568 } else if (c == 0x1b) {
2571 printf("(%02x)", c);
2580 memset(&strescseq, 0, sizeof(strescseq));
2584 sendbreak(const Arg *arg)
2586 if (tcsendbreak(cmdfd, 0))
2587 perror("Error sending break");
2591 tprinter(char *s, size_t len)
2593 if (iofd != -1 && xwrite(iofd, s, len) < 0) {
2594 fprintf(stderr, "Error writing in %s:%s\n",
2595 opt_io, strerror(errno));
2602 toggleprinter(const Arg *arg)
2604 term.mode ^= MODE_PRINT;
2608 printscreen(const Arg *arg)
2614 printsel(const Arg *arg)
2624 if ((ptr = getsel())) {
2625 tprinter(ptr, strlen(ptr));
2636 bp = &term.line[n][0];
2637 end = &bp[MIN(tlinelen(n), term.col) - 1];
2638 if (bp != end || bp->u != ' ') {
2639 for ( ;bp <= end; ++bp)
2640 tprinter(buf, utf8encode(bp->u, buf));
2650 for (i = 0; i < term.row; ++i)
2660 while (x < term.col && n--)
2661 for (++x; x < term.col && !term.tabs[x]; ++x)
2664 while (x > 0 && n++)
2665 for (--x; x > 0 && !term.tabs[x]; --x)
2668 term.c.x = LIMIT(x, 0, term.col-1);
2674 if (ISCONTROL(u)) { /* control code */
2679 } else if (u != '\n' && u != '\r' && u != '\t') {
2688 tdeftran(char ascii)
2690 static char cs[] = "0B";
2691 static int vcs[] = {CS_GRAPHIC0, CS_USA};
2694 if ((p = strchr(cs, ascii)) == NULL) {
2695 fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
2697 term.trantbl[term.icharset] = vcs[p - cs];
2706 if (c == '8') { /* DEC screen alignment test. */
2707 for (x = 0; x < term.col; ++x) {
2708 for (y = 0; y < term.row; ++y)
2709 tsetchar('E', &term.c.attr, x, y);
2715 tstrsequence(uchar c)
2718 case 0x90: /* DCS -- Device Control String */
2721 case 0x9f: /* APC -- Application Program Command */
2724 case 0x9e: /* PM -- Privacy Message */
2727 case 0x9d: /* OSC -- Operating System Command */
2733 term.esc |= ESC_STR;
2737 tcontrolcode(uchar ascii)
2744 tmoveto(term.c.x-1, term.c.y);
2747 tmoveto(0, term.c.y);
2752 /* go to first col if the mode is set */
2753 tnewline(IS_SET(MODE_CRLF));
2755 case '\a': /* BEL */
2756 if (term.esc & ESC_STR_END) {
2757 /* backwards compatibility to xterm */
2760 if (!(xw.state & WIN_FOCUSED))
2763 XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL);
2766 case '\033': /* ESC */
2768 term.esc &= ~(ESC_CSI|ESC_ALTCHARSET|ESC_TEST);
2769 term.esc |= ESC_START;
2771 case '\016': /* SO (LS1 -- Locking shift 1) */
2772 case '\017': /* SI (LS0 -- Locking shift 0) */
2773 term.charset = 1 - (ascii - '\016');
2775 case '\032': /* SUB */
2776 tsetchar('?', &term.c.attr, term.c.x, term.c.y);
2777 case '\030': /* CAN */
2780 case '\005': /* ENQ (IGNORED) */
2781 case '\000': /* NUL (IGNORED) */
2782 case '\021': /* XON (IGNORED) */
2783 case '\023': /* XOFF (IGNORED) */
2784 case 0177: /* DEL (IGNORED) */
2786 case 0x80: /* TODO: PAD */
2787 case 0x81: /* TODO: HOP */
2788 case 0x82: /* TODO: BPH */
2789 case 0x83: /* TODO: NBH */
2790 case 0x84: /* TODO: IND */
2792 case 0x85: /* NEL -- Next line */
2793 tnewline(1); /* always go to first col */
2795 case 0x86: /* TODO: SSA */
2796 case 0x87: /* TODO: ESA */
2798 case 0x88: /* HTS -- Horizontal tab stop */
2799 term.tabs[term.c.x] = 1;
2801 case 0x89: /* TODO: HTJ */
2802 case 0x8a: /* TODO: VTS */
2803 case 0x8b: /* TODO: PLD */
2804 case 0x8c: /* TODO: PLU */
2805 case 0x8d: /* TODO: RI */
2806 case 0x8e: /* TODO: SS2 */
2807 case 0x8f: /* TODO: SS3 */
2808 case 0x91: /* TODO: PU1 */
2809 case 0x92: /* TODO: PU2 */
2810 case 0x93: /* TODO: STS */
2811 case 0x94: /* TODO: CCH */
2812 case 0x95: /* TODO: MW */
2813 case 0x96: /* TODO: SPA */
2814 case 0x97: /* TODO: EPA */
2815 case 0x98: /* TODO: SOS */
2816 case 0x99: /* TODO: SGCI */
2818 case 0x9a: /* DECID -- Identify Terminal */
2819 ttywrite(vtiden, sizeof(vtiden) - 1);
2821 case 0x9b: /* TODO: CSI */
2822 case 0x9c: /* TODO: ST */
2824 case 0x90: /* DCS -- Device Control String */
2825 case 0x9d: /* OSC -- Operating System Command */
2826 case 0x9e: /* PM -- Privacy Message */
2827 case 0x9f: /* APC -- Application Program Command */
2828 tstrsequence(ascii);
2831 /* only CAN, SUB, \a and C1 chars interrupt a sequence */
2832 term.esc &= ~(ESC_STR_END|ESC_STR);
2836 * returns 1 when the sequence is finished and it hasn't to read
2837 * more characters for this sequence, otherwise 0
2840 eschandle(uchar ascii)
2844 term.esc |= ESC_CSI;
2847 term.esc |= ESC_TEST;
2849 case 'P': /* DCS -- Device Control String */
2850 case '_': /* APC -- Application Program Command */
2851 case '^': /* PM -- Privacy Message */
2852 case ']': /* OSC -- Operating System Command */
2853 case 'k': /* old title set compatibility */
2854 tstrsequence(ascii);
2856 case 'n': /* LS2 -- Locking shift 2 */
2857 case 'o': /* LS3 -- Locking shift 3 */
2858 term.charset = 2 + (ascii - 'n');
2860 case '(': /* GZD4 -- set primary charset G0 */
2861 case ')': /* G1D4 -- set secondary charset G1 */
2862 case '*': /* G2D4 -- set tertiary charset G2 */
2863 case '+': /* G3D4 -- set quaternary charset G3 */
2864 term.icharset = ascii - '(';
2865 term.esc |= ESC_ALTCHARSET;
2867 case 'D': /* IND -- Linefeed */
2868 if (term.c.y == term.bot) {
2869 tscrollup(term.top, 1);
2871 tmoveto(term.c.x, term.c.y+1);
2874 case 'E': /* NEL -- Next line */
2875 tnewline(1); /* always go to first col */
2877 case 'H': /* HTS -- Horizontal tab stop */
2878 term.tabs[term.c.x] = 1;
2880 case 'M': /* RI -- Reverse index */
2881 if (term.c.y == term.top) {
2882 tscrolldown(term.top, 1);
2884 tmoveto(term.c.x, term.c.y-1);
2887 case 'Z': /* DECID -- Identify Terminal */
2888 ttywrite(vtiden, sizeof(vtiden) - 1);
2890 case 'c': /* RIS -- Reset to inital state */
2895 case '=': /* DECPAM -- Application keypad */
2896 term.mode |= MODE_APPKEYPAD;
2898 case '>': /* DECPNM -- Normal keypad */
2899 term.mode &= ~MODE_APPKEYPAD;
2901 case '7': /* DECSC -- Save Cursor */
2902 tcursor(CURSOR_SAVE);
2904 case '8': /* DECRC -- Restore Cursor */
2905 tcursor(CURSOR_LOAD);
2907 case '\\': /* ST -- String Terminator */
2908 if (term.esc & ESC_STR_END)
2912 fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n",
2913 (uchar) ascii, isprint(ascii)? ascii:'.');
2927 control = ISCONTROL(u);
2928 len = utf8encode(u, c);
2929 if (!control && (width = wcwidth(u)) == -1) {
2930 memcpy(c, "\357\277\275", 4); /* UTF_INVALID */
2934 if (IS_SET(MODE_PRINT))
2938 * STR sequence must be checked before anything else
2939 * because it uses all following characters until it
2940 * receives a ESC, a SUB, a ST or any other C1 control
2943 if (term.esc & ESC_STR) {
2944 if (u == '\a' || u == 030 || u == 032 || u == 033 ||
2946 term.esc &= ~(ESC_START|ESC_STR);
2947 term.esc |= ESC_STR_END;
2948 } else if (strescseq.len + len < sizeof(strescseq.buf) - 1) {
2949 memmove(&strescseq.buf[strescseq.len], c, len);
2950 strescseq.len += len;
2954 * Here is a bug in terminals. If the user never sends
2955 * some code to stop the str or esc command, then st
2956 * will stop responding. But this is better than
2957 * silently failing with unknown characters. At least
2958 * then users will report back.
2960 * In the case users ever get fixed, here is the code:
2971 * Actions of control codes must be performed as soon they arrive
2972 * because they can be embedded inside a control sequence, and
2973 * they must not cause conflicts with sequences.
2978 * control codes are not shown ever
2981 } else if (term.esc & ESC_START) {
2982 if (term.esc & ESC_CSI) {
2983 csiescseq.buf[csiescseq.len++] = u;
2984 if (BETWEEN(u, 0x40, 0x7E)
2985 || csiescseq.len >= \
2986 sizeof(csiescseq.buf)-1) {
2992 } else if (term.esc & ESC_ALTCHARSET) {
2994 } else if (term.esc & ESC_TEST) {
2999 /* sequence already finished */
3003 * All characters which form part of a sequence are not
3008 if (sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
3011 gp = &term.line[term.c.y][term.c.x];
3012 if (IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
3013 gp->mode |= ATTR_WRAP;
3015 gp = &term.line[term.c.y][term.c.x];
3018 if (IS_SET(MODE_INSERT) && term.c.x+width < term.col)
3019 memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph));
3021 if (term.c.x+width > term.col) {
3023 gp = &term.line[term.c.y][term.c.x];
3026 tsetchar(u, &term.c.attr, term.c.x, term.c.y);
3029 gp->mode |= ATTR_WIDE;
3030 if (term.c.x+1 < term.col) {
3032 gp[1].mode = ATTR_WDUMMY;
3035 if (term.c.x+width < term.col) {
3036 tmoveto(term.c.x+width, term.c.y);
3038 term.c.state |= CURSOR_WRAPNEXT;
3043 tresize(int col, int row)
3046 int minrow = MIN(row, term.row);
3047 int mincol = MIN(col, term.col);
3051 if (col < 1 || row < 1) {
3053 "tresize: error resizing to %dx%d\n", col, row);
3058 * slide screen to keep cursor where we expect it -
3059 * tscrollup would work here, but we can optimize to
3060 * memmove because we're freeing the earlier lines
3062 for (i = 0; i <= term.c.y - row; i++) {
3066 /* ensure that both src and dst are not NULL */
3068 memmove(term.line, term.line + i, row * sizeof(Line));
3069 memmove(term.alt, term.alt + i, row * sizeof(Line));
3071 for (i += row; i < term.row; i++) {
3076 /* resize to new width */
3077 term.specbuf = xrealloc(term.specbuf, col * sizeof(XftGlyphFontSpec));
3079 /* resize to new height */
3080 term.line = xrealloc(term.line, row * sizeof(Line));
3081 term.alt = xrealloc(term.alt, row * sizeof(Line));
3082 term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
3083 term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
3085 /* resize each row to new width, zero-pad if needed */
3086 for (i = 0; i < minrow; i++) {
3087 term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
3088 term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph));
3091 /* allocate any new rows */
3092 for (/* i == minrow */; i < row; i++) {
3093 term.line[i] = xmalloc(col * sizeof(Glyph));
3094 term.alt[i] = xmalloc(col * sizeof(Glyph));
3096 if (col > term.col) {
3097 bp = term.tabs + term.col;
3099 memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
3100 while (--bp > term.tabs && !*bp)
3102 for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
3105 /* update terminal size */
3108 /* reset scrolling region */
3109 tsetscroll(0, row-1);
3110 /* make use of the LIMIT in tmoveto */
3111 tmoveto(term.c.x, term.c.y);
3112 /* Clearing both screens (it makes dirty all lines) */
3114 for (i = 0; i < 2; i++) {
3115 if (mincol < col && 0 < minrow) {
3116 tclearregion(mincol, 0, col - 1, minrow - 1);
3118 if (0 < col && minrow < row) {
3119 tclearregion(0, minrow, col - 1, row - 1);
3122 tcursor(CURSOR_LOAD);
3128 xresize(int col, int row)
3130 xw.tw = MAX(1, col * xw.cw);
3131 xw.th = MAX(1, row * xw.ch);
3133 XFreePixmap(xw.dpy, xw.buf);
3134 xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
3135 DefaultDepth(xw.dpy, xw.scr));
3136 XftDrawChange(xw.draw, xw.buf);
3137 xclear(0, 0, xw.w, xw.h);
3141 sixd_to_16bit(int x)
3143 return x == 0 ? 0 : 0x3737 + 0x2828 * x;
3147 xloadcolor(int i, const char *name, Color *ncolor)
3149 XRenderColor color = { .alpha = 0xffff };
3152 if (BETWEEN(i, 16, 255)) { /* 256 color */
3153 if (i < 6*6*6+16) { /* same colors as xterm */
3154 color.red = sixd_to_16bit( ((i-16)/36)%6 );
3155 color.green = sixd_to_16bit( ((i-16)/6) %6 );
3156 color.blue = sixd_to_16bit( ((i-16)/1) %6 );
3157 } else { /* greyscale */
3158 color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16));
3159 color.green = color.blue = color.red;
3161 return XftColorAllocValue(xw.dpy, xw.vis,
3162 xw.cmap, &color, ncolor);
3164 name = colorname[i];
3167 return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
3178 for (cp = dc.col; cp < &dc.col[LEN(dc.col)]; ++cp)
3179 XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
3182 for (i = 0; i < LEN(dc.col); i++)
3183 if (!xloadcolor(i, NULL, &dc.col[i])) {
3185 die("Could not allocate color '%s'\n", colorname[i]);
3187 die("Could not allocate color %d\n", i);
3193 xsetcolorname(int x, const char *name)
3197 if (!BETWEEN(x, 0, LEN(dc.col)))
3201 if (!xloadcolor(x, name, &ncolor))
3204 XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
3211 xtermclear(int col1, int row1, int col2, int row2)
3213 XftDrawRect(xw.draw,
3214 &dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
3215 borderpx + col1 * xw.cw,
3216 borderpx + row1 * xw.ch,
3217 (col2-col1+1) * xw.cw,
3218 (row2-row1+1) * xw.ch);
3222 * Absolute coordinates.
3225 xclear(int x1, int y1, int x2, int y2)
3227 XftDrawRect(xw.draw,
3228 &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
3229 x1, y1, x2-x1, y2-y1);
3235 XClassHint class = {opt_class ? opt_class : termname, termname};
3236 XWMHints wm = {.flags = InputHint, .input = 1};
3237 XSizeHints *sizeh = NULL;
3239 sizeh = XAllocSizeHints();
3241 sizeh->flags = PSize | PResizeInc | PBaseSize;
3242 sizeh->height = xw.h;
3243 sizeh->width = xw.w;
3244 sizeh->height_inc = xw.ch;
3245 sizeh->width_inc = xw.cw;
3246 sizeh->base_height = 2 * borderpx;
3247 sizeh->base_width = 2 * borderpx;
3249 sizeh->flags |= PMaxSize | PMinSize;
3250 sizeh->min_width = sizeh->max_width = xw.w;
3251 sizeh->min_height = sizeh->max_height = xw.h;
3253 if (xw.gm & (XValue|YValue)) {
3254 sizeh->flags |= USPosition | PWinGravity;
3257 sizeh->win_gravity = xgeommasktogravity(xw.gm);
3260 XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm,
3266 xgeommasktogravity(int mask)
3268 switch (mask & (XNegative|YNegative)) {
3270 return NorthWestGravity;
3272 return NorthEastGravity;
3274 return SouthWestGravity;
3277 return SouthEastGravity;
3281 xloadfont(Font *f, FcPattern *pattern)
3286 match = FcFontMatch(NULL, pattern, &result);
3290 if (!(f->match = XftFontOpenPattern(xw.dpy, match))) {
3291 FcPatternDestroy(match);
3296 f->pattern = FcPatternDuplicate(pattern);
3298 f->ascent = f->match->ascent;
3299 f->descent = f->match->descent;
3301 f->rbearing = f->match->max_advance_width;
3303 f->height = f->ascent + f->descent;
3304 f->width = f->lbearing + f->rbearing;
3310 xloadfonts(char *fontstr, double fontsize)
3316 if (fontstr[0] == '-') {
3317 pattern = XftXlfdParse(fontstr, False, False);
3319 pattern = FcNameParse((FcChar8 *)fontstr);
3323 die("st: can't open font %s\n", fontstr);
3326 FcPatternDel(pattern, FC_PIXEL_SIZE);
3327 FcPatternDel(pattern, FC_SIZE);
3328 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
3329 usedfontsize = fontsize;
3331 if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
3333 usedfontsize = fontval;
3334 } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) ==
3339 * Default font size is 12, if none given. This is to
3340 * have a known usedfontsize value.
3342 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
3345 defaultfontsize = usedfontsize;
3348 FcConfigSubstitute(0, pattern, FcMatchPattern);
3349 FcDefaultSubstitute(pattern);
3351 if (xloadfont(&dc.font, pattern))
3352 die("st: can't open font %s\n", fontstr);
3354 if (usedfontsize < 0) {
3355 FcPatternGetDouble(dc.font.match->pattern,
3356 FC_PIXEL_SIZE, 0, &fontval);
3357 usedfontsize = fontval;
3359 defaultfontsize = fontval;
3362 /* Setting character width and height. */
3363 xw.cw = ceilf(dc.font.width * cwscale);
3364 xw.ch = ceilf(dc.font.height * chscale);
3366 FcPatternDel(pattern, FC_SLANT);
3367 FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
3368 if (xloadfont(&dc.ifont, pattern))
3369 die("st: can't open font %s\n", fontstr);
3371 FcPatternDel(pattern, FC_WEIGHT);
3372 FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
3373 if (xloadfont(&dc.ibfont, pattern))
3374 die("st: can't open font %s\n", fontstr);
3376 FcPatternDel(pattern, FC_SLANT);
3377 FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
3378 if (xloadfont(&dc.bfont, pattern))
3379 die("st: can't open font %s\n", fontstr);
3381 FcPatternDestroy(pattern);
3385 xunloadfont(Font *f)
3387 XftFontClose(xw.dpy, f->match);
3388 FcPatternDestroy(f->pattern);
3390 FcFontSetDestroy(f->set);
3396 /* Free the loaded fonts in the font cache. */
3398 XftFontClose(xw.dpy, frc[--frclen].font);
3400 xunloadfont(&dc.font);
3401 xunloadfont(&dc.bfont);
3402 xunloadfont(&dc.ifont);
3403 xunloadfont(&dc.ibfont);
3407 xzoom(const Arg *arg)
3411 larg.f = usedfontsize + arg->f;
3416 xzoomabs(const Arg *arg)
3419 xloadfonts(usedfont, arg->f);
3426 xzoomreset(const Arg *arg)
3430 if (defaultfontsize > 0) {
3431 larg.f = defaultfontsize;
3442 pid_t thispid = getpid();
3443 XColor xmousefg, xmousebg;
3445 if (!(xw.dpy = XOpenDisplay(NULL)))
3446 die("Can't open display\n");
3447 xw.scr = XDefaultScreen(xw.dpy);
3448 xw.vis = XDefaultVisual(xw.dpy, xw.scr);
3452 die("Could not init fontconfig.\n");
3454 usedfont = (opt_font == NULL)? font : opt_font;
3455 xloadfonts(usedfont, 0);
3458 xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
3461 /* adjust fixed window geometry */
3462 xw.w = 2 * borderpx + term.col * xw.cw;
3463 xw.h = 2 * borderpx + term.row * xw.ch;
3464 if (xw.gm & XNegative)
3465 xw.l += DisplayWidth(xw.dpy, xw.scr) - xw.w - 2;
3466 if (xw.gm & YNegative)
3467 xw.t += DisplayWidth(xw.dpy, xw.scr) - xw.h - 2;
3470 xw.attrs.background_pixel = dc.col[defaultbg].pixel;
3471 xw.attrs.border_pixel = dc.col[defaultbg].pixel;
3472 xw.attrs.bit_gravity = NorthWestGravity;
3473 xw.attrs.event_mask = FocusChangeMask | KeyPressMask
3474 | ExposureMask | VisibilityChangeMask | StructureNotifyMask
3475 | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
3476 xw.attrs.colormap = xw.cmap;
3478 if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
3479 parent = XRootWindow(xw.dpy, xw.scr);
3480 xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
3481 xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
3482 xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
3483 | CWEventMask | CWColormap, &xw.attrs);
3485 memset(&gcvalues, 0, sizeof(gcvalues));
3486 gcvalues.graphics_exposures = False;
3487 dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
3489 xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
3490 DefaultDepth(xw.dpy, xw.scr));
3491 XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
3492 XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
3494 /* Xft rendering context */
3495 xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
3498 if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
3499 XSetLocaleModifiers("@im=local");
3500 if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
3501 XSetLocaleModifiers("@im=");
3502 if ((xw.xim = XOpenIM(xw.dpy,
3503 NULL, NULL, NULL)) == NULL) {
3504 die("XOpenIM failed. Could not open input"
3509 xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
3510 | XIMStatusNothing, XNClientWindow, xw.win,
3511 XNFocusWindow, xw.win, NULL);
3513 die("XCreateIC failed. Could not obtain input method.\n");
3515 /* white cursor, black outline */
3516 cursor = XCreateFontCursor(xw.dpy, mouseshape);
3517 XDefineCursor(xw.dpy, xw.win, cursor);
3519 if (XParseColor(xw.dpy, xw.cmap, colorname[mousefg], &xmousefg) == 0) {
3520 xmousefg.red = 0xffff;
3521 xmousefg.green = 0xffff;
3522 xmousefg.blue = 0xffff;
3525 if (XParseColor(xw.dpy, xw.cmap, colorname[mousebg], &xmousebg) == 0) {
3526 xmousebg.red = 0x0000;
3527 xmousebg.green = 0x0000;
3528 xmousebg.blue = 0x0000;
3531 XRecolorCursor(xw.dpy, cursor, &xmousefg, &xmousebg);
3533 xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
3534 xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
3535 xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
3536 XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
3538 xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
3539 XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
3540 PropModeReplace, (uchar *)&thispid, 1);
3543 XMapWindow(xw.dpy, xw.win);
3545 XSync(xw.dpy, False);
3549 xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
3551 float winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch, xp, yp;
3552 ushort mode, prevmode = USHRT_MAX;
3553 Font *font = &dc.font;
3554 int frcflags = FRC_NORMAL;
3555 float runewidth = xw.cw;
3559 FcPattern *fcpattern, *fontpattern;
3560 FcFontSet *fcsets[] = { NULL };
3561 FcCharSet *fccharset;
3562 int i, f, numspecs = 0;
3564 for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) {
3565 /* Fetch rune and mode for current glyph. */
3567 mode = glyphs[i].mode;
3569 /* Skip dummy wide-character spacing. */
3570 if (mode == ATTR_WDUMMY)
3573 /* Determine font for glyph if different from previous glyph. */
3574 if (prevmode != mode) {
3577 frcflags = FRC_NORMAL;
3578 runewidth = xw.cw * ((mode & ATTR_WIDE) ? 2.0f : 1.0f);
3579 if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
3581 frcflags = FRC_ITALICBOLD;
3582 } else if (mode & ATTR_ITALIC) {
3584 frcflags = FRC_ITALIC;
3585 } else if (mode & ATTR_BOLD) {
3587 frcflags = FRC_BOLD;
3589 yp = winy + font->ascent;
3592 /* Lookup character index with default font. */
3593 glyphidx = XftCharIndex(xw.dpy, font->match, rune);
3595 specs[numspecs].font = font->match;
3596 specs[numspecs].glyph = glyphidx;
3597 specs[numspecs].x = (short)xp;
3598 specs[numspecs].y = (short)yp;
3604 /* Fallback on font cache, search the font cache for match. */
3605 for (f = 0; f < frclen; f++) {
3606 glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
3607 /* Everything correct. */
3608 if (glyphidx && frc[f].flags == frcflags)
3610 /* We got a default font for a not found glyph. */
3611 if (!glyphidx && frc[f].flags == frcflags
3612 && frc[f].unicodep == rune) {
3617 /* Nothing was found. Use fontconfig to find matching font. */
3620 font->set = FcFontSort(0, font->pattern,
3622 fcsets[0] = font->set;
3625 * Nothing was found in the cache. Now use
3626 * some dozen of Fontconfig calls to get the
3627 * font for one single character.
3629 * Xft and fontconfig are design failures.
3631 fcpattern = FcPatternDuplicate(font->pattern);
3632 fccharset = FcCharSetCreate();
3634 FcCharSetAddChar(fccharset, rune);
3635 FcPatternAddCharSet(fcpattern, FC_CHARSET,
3637 FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
3639 FcConfigSubstitute(0, fcpattern,
3641 FcDefaultSubstitute(fcpattern);
3643 fontpattern = FcFontSetMatch(0, fcsets, 1,
3647 * Overwrite or create the new cache entry.
3649 if (frclen >= LEN(frc)) {
3650 frclen = LEN(frc) - 1;
3651 XftFontClose(xw.dpy, frc[frclen].font);
3652 frc[frclen].unicodep = 0;
3655 frc[frclen].font = XftFontOpenPattern(xw.dpy,
3657 frc[frclen].flags = frcflags;
3658 frc[frclen].unicodep = rune;
3660 glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
3665 FcPatternDestroy(fcpattern);
3666 FcCharSetDestroy(fccharset);
3669 specs[numspecs].font = frc[f].font;
3670 specs[numspecs].glyph = glyphidx;
3671 specs[numspecs].x = (short)xp;
3672 specs[numspecs].y = (short)(winy + frc[f].font->ascent);
3681 xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
3683 int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
3684 int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
3685 width = charlen * xw.cw;
3686 Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
3687 XRenderColor colfg, colbg;
3690 /* Determine foreground and background colors based on mode. */
3691 if (base.fg == defaultfg) {
3692 if (base.mode & ATTR_ITALIC)
3693 base.fg = defaultitalic;
3694 else if ((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD))
3695 base.fg = defaultitalic;
3696 else if (base.mode & ATTR_UNDERLINE)
3697 base.fg = defaultunderline;
3700 if (IS_TRUECOL(base.fg)) {
3701 colfg.alpha = 0xffff;
3702 colfg.red = TRUERED(base.fg);
3703 colfg.green = TRUEGREEN(base.fg);
3704 colfg.blue = TRUEBLUE(base.fg);
3705 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
3708 fg = &dc.col[base.fg];
3711 if (IS_TRUECOL(base.bg)) {
3712 colbg.alpha = 0xffff;
3713 colbg.green = TRUEGREEN(base.bg);
3714 colbg.red = TRUERED(base.bg);
3715 colbg.blue = TRUEBLUE(base.bg);
3716 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
3719 bg = &dc.col[base.bg];
3722 /* Change basic system colors [0-7] to bright system colors [8-15] */
3723 if ((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7))
3724 fg = &dc.col[base.fg + 8];
3726 if (IS_SET(MODE_REVERSE)) {
3727 if (fg == &dc.col[defaultfg]) {
3728 fg = &dc.col[defaultbg];
3730 colfg.red = ~fg->color.red;
3731 colfg.green = ~fg->color.green;
3732 colfg.blue = ~fg->color.blue;
3733 colfg.alpha = fg->color.alpha;
3734 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
3739 if (bg == &dc.col[defaultbg]) {
3740 bg = &dc.col[defaultfg];
3742 colbg.red = ~bg->color.red;
3743 colbg.green = ~bg->color.green;
3744 colbg.blue = ~bg->color.blue;
3745 colbg.alpha = bg->color.alpha;
3746 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
3752 if (base.mode & ATTR_REVERSE) {
3758 if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) {
3759 colfg.red = fg->color.red / 2;
3760 colfg.green = fg->color.green / 2;
3761 colfg.blue = fg->color.blue / 2;
3762 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
3766 if (base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
3769 if (base.mode & ATTR_INVISIBLE)
3772 /* Intelligent cleaning up of the borders. */
3774 xclear(0, (y == 0)? 0 : winy, borderpx,
3775 winy + xw.ch + ((y >= term.row-1)? xw.h : 0));
3777 if (x + charlen >= term.col) {
3778 xclear(winx + width, (y == 0)? 0 : winy, xw.w,
3779 ((y >= term.row-1)? xw.h : (winy + xw.ch)));
3782 xclear(winx, 0, winx + width, borderpx);
3783 if (y == term.row-1)
3784 xclear(winx, winy + xw.ch, winx + width, xw.h);
3786 /* Clean up the region we want to draw to. */
3787 XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
3789 /* Set the clip region because Xft is sometimes dirty. */
3794 XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
3796 /* Render the glyphs. */
3797 XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
3799 /* Render underline and strikethrough. */
3800 if (base.mode & ATTR_UNDERLINE) {
3801 XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1,
3805 if (base.mode & ATTR_STRUCK) {
3806 XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3,
3810 /* Reset clip to none. */
3811 XftDrawSetClip(xw.draw, 0);
3815 xdrawglyph(Glyph g, int x, int y)
3818 XftGlyphFontSpec spec;
3819 numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
3820 xdrawglyphfontspecs(&spec, g, numspecs, x, y);
3826 static int oldx = 0, oldy = 0;
3828 Glyph g = {' ', ATTR_NULL, defaultbg, defaultcs};
3830 LIMIT(oldx, 0, term.col-1);
3831 LIMIT(oldy, 0, term.row-1);
3835 /* adjust position if in dummy */
3836 if (term.line[oldy][oldx].mode & ATTR_WDUMMY)
3838 if (term.line[term.c.y][curx].mode & ATTR_WDUMMY)
3841 g.u = term.line[term.c.y][term.c.x].u;
3843 /* remove the old cursor */
3844 xdrawglyph(term.line[oldy][oldx], oldx, oldy);
3846 if (IS_SET(MODE_HIDE))
3849 /* draw the new one */
3850 if (xw.state & WIN_FOCUSED) {
3851 switch (xw.cursor) {
3852 case 0: /* Blinking Block */
3853 case 1: /* Blinking Block (Default) */
3854 case 2: /* Steady Block */
3855 if (IS_SET(MODE_REVERSE)) {
3856 g.mode |= ATTR_REVERSE;
3861 g.mode |= term.line[term.c.y][curx].mode & ATTR_WIDE;
3862 xdrawglyph(g, term.c.x, term.c.y);
3864 case 3: /* Blinking Underline */
3865 case 4: /* Steady Underline */
3866 XftDrawRect(xw.draw, &dc.col[defaultcs],
3867 borderpx + curx * xw.cw,
3868 borderpx + (term.c.y + 1) * xw.ch - cursorthickness,
3869 xw.cw, cursorthickness);
3871 case 5: /* Blinking bar */
3872 case 6: /* Steady bar */
3873 XftDrawRect(xw.draw, &dc.col[defaultcs],
3874 borderpx + curx * xw.cw,
3875 borderpx + term.c.y * xw.ch,
3876 cursorthickness, xw.ch);
3880 XftDrawRect(xw.draw, &dc.col[defaultcs],
3881 borderpx + curx * xw.cw,
3882 borderpx + term.c.y * xw.ch,
3884 XftDrawRect(xw.draw, &dc.col[defaultcs],
3885 borderpx + curx * xw.cw,
3886 borderpx + term.c.y * xw.ch,
3888 XftDrawRect(xw.draw, &dc.col[defaultcs],
3889 borderpx + (curx + 1) * xw.cw - 1,
3890 borderpx + term.c.y * xw.ch,
3892 XftDrawRect(xw.draw, &dc.col[defaultcs],
3893 borderpx + curx * xw.cw,
3894 borderpx + (term.c.y + 1) * xw.ch - 1,
3897 oldx = curx, oldy = term.c.y;
3906 Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
3908 XSetWMName(xw.dpy, xw.win, &prop);
3909 XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
3916 xsettitle(opt_title ? opt_title : "st");
3929 drawregion(0, 0, term.col, term.row);
3930 XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.w,
3932 XSetForeground(xw.dpy, dc.gc,
3933 dc.col[IS_SET(MODE_REVERSE)?
3934 defaultfg : defaultbg].pixel);
3938 drawregion(int x1, int y1, int x2, int y2)
3940 int i, x, y, ox, numspecs;
3942 XftGlyphFontSpec* specs;
3943 int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
3945 if (!(xw.state & WIN_VISIBLE))
3948 for (y = y1; y < y2; y++) {
3952 xtermclear(0, y, term.col, y);
3955 specs = term.specbuf;
3956 numspecs = xmakeglyphfontspecs(specs, &term.line[y][x1], x2 - x1, x1, y);
3959 for (x = x1; x < x2 && i < numspecs; x++) {
3960 new = term.line[y][x];
3961 if (new.mode == ATTR_WDUMMY)
3963 if (ena_sel && selected(x, y))
3964 new.mode ^= ATTR_REVERSE;
3965 if (i > 0 && ATTRCMP(base, new)) {
3966 xdrawglyphfontspecs(specs, base, i, ox, y);
3978 xdrawglyphfontspecs(specs, base, i, ox, y);
3990 visibility(XEvent *ev)
3992 XVisibilityEvent *e = &ev->xvisibility;
3994 MODBIT(xw.state, e->state != VisibilityFullyObscured, WIN_VISIBLE);
4000 xw.state &= ~WIN_VISIBLE;
4004 xsetpointermotion(int set)
4006 MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
4007 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
4011 xseturgency(int add)
4013 XWMHints *h = XGetWMHints(xw.dpy, xw.win);
4015 MODBIT(h->flags, add, XUrgencyHint);
4016 XSetWMHints(xw.dpy, xw.win, h);
4023 XFocusChangeEvent *e = &ev->xfocus;
4025 if (e->mode == NotifyGrab)
4028 if (ev->type == FocusIn) {
4029 XSetICFocus(xw.xic);
4030 xw.state |= WIN_FOCUSED;
4032 if (IS_SET(MODE_FOCUS))
4033 ttywrite("\033[I", 3);
4035 XUnsetICFocus(xw.xic);
4036 xw.state &= ~WIN_FOCUSED;
4037 if (IS_SET(MODE_FOCUS))
4038 ttywrite("\033[O", 3);
4043 match(uint mask, uint state)
4045 return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
4049 numlock(const Arg *dummy)
4055 kmap(KeySym k, uint state)
4060 /* Check for mapped keys out of X11 function keys. */
4061 for (i = 0; i < LEN(mappedkeys); i++) {
4062 if (mappedkeys[i] == k)
4065 if (i == LEN(mappedkeys)) {
4066 if ((k & 0xFFFF) < 0xFD00)
4070 for (kp = key; kp < key + LEN(key); kp++) {
4074 if (!match(kp->mask, state))
4077 if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
4079 if (term.numlock && kp->appkey == 2)
4082 if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
4085 if (IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0)
4097 XKeyEvent *e = &ev->xkey;
4099 char buf[32], *customkey;
4105 if (IS_SET(MODE_KBDLOCK))
4108 len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);
4110 for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
4111 if (ksym == bp->keysym && match(bp->mod, e->state)) {
4112 bp->func(&(bp->arg));
4117 /* 2. custom keys from config.h */
4118 if ((customkey = kmap(ksym, e->state))) {
4119 ttysend(customkey, strlen(customkey));
4123 /* 3. composed string from input method */
4126 if (len == 1 && e->state & Mod1Mask) {
4127 if (IS_SET(MODE_8BIT)) {
4130 len = utf8encode(c, buf);
4147 * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
4149 if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
4150 if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
4151 xw.state |= WIN_FOCUSED;
4153 } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
4154 xw.state &= ~WIN_FOCUSED;
4156 } else if (e->xclient.data.l[0] == xw.wmdeletewin) {
4157 /* Send SIGHUP to shell */
4164 cresize(int width, int height)
4173 col = (xw.w - 2 * borderpx) / xw.cw;
4174 row = (xw.h - 2 * borderpx) / xw.ch;
4184 if (e->xconfigure.width == xw.w && e->xconfigure.height == xw.h)
4187 cresize(e->xconfigure.width, e->xconfigure.height);
4194 int w = xw.w, h = xw.h;
4196 int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
4197 struct timespec drawtimeout, *tv = NULL, now, last, lastblink;
4200 /* Waiting for window mapping */
4202 XNextEvent(xw.dpy, &ev);
4204 * This XFilterEvent call is required because of XOpenIM. It
4205 * does filter out the key event and some client message for
4206 * the input method too.
4208 if (XFilterEvent(&ev, None))
4210 if (ev.type == ConfigureNotify) {
4211 w = ev.xconfigure.width;
4212 h = ev.xconfigure.height;
4214 } while (ev.type != MapNotify);
4219 clock_gettime(CLOCK_MONOTONIC, &last);
4222 for (xev = actionfps;;) {
4224 FD_SET(cmdfd, &rfd);
4227 if (pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
4230 die("select failed: %s\n", strerror(errno));
4232 if (FD_ISSET(cmdfd, &rfd)) {
4235 blinkset = tattrset(ATTR_BLINK);
4237 MODBIT(term.mode, 0, MODE_BLINK);
4241 if (FD_ISSET(xfd, &rfd))
4244 clock_gettime(CLOCK_MONOTONIC, &now);
4245 drawtimeout.tv_sec = 0;
4246 drawtimeout.tv_nsec = (1000 * 1E6)/ xfps;
4250 if (blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
4251 tsetdirtattr(ATTR_BLINK);
4252 term.mode ^= MODE_BLINK;
4256 deltatime = TIMEDIFF(now, last);
4257 if (deltatime > 1000 / (xev ? xfps : actionfps)) {
4263 while (XPending(xw.dpy)) {
4264 XNextEvent(xw.dpy, &ev);
4265 if (XFilterEvent(&ev, None))
4267 if (handler[ev.type])
4268 (handler[ev.type])(&ev);
4274 if (xev && !FD_ISSET(xfd, &rfd))
4276 if (!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
4278 if (TIMEDIFF(now, lastblink) \
4280 drawtimeout.tv_nsec = 1000;
4282 drawtimeout.tv_nsec = (1E6 * \
4287 drawtimeout.tv_sec = \
4288 drawtimeout.tv_nsec / 1E9;
4289 drawtimeout.tv_nsec %= (long)1E9;
4301 die("%s " VERSION " (c) 2010-2015 st engineers\n"
4302 "usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]\n"
4303 " [-i] [-t title] [-T title] [-w windowid] [-e command ...]"
4305 " st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]\n"
4306 " [-i] [-t title] [-T title] [-w windowid] -l line"
4307 " [stty_args ...]\n",
4312 main(int argc, char *argv[])
4314 uint cols = 80, rows = 24;
4318 xw.cursor = cursorshape;
4325 opt_class = EARGF(usage());
4332 opt_font = EARGF(usage());
4335 xw.gm = XParseGeometry(EARGF(usage()),
4336 &xw.l, &xw.t, &cols, &rows);
4342 opt_io = EARGF(usage());
4345 opt_line = EARGF(usage());
4349 opt_title = EARGF(usage());
4352 opt_embed = EARGF(usage());
4361 /* eat all remaining arguments */
4363 if (!opt_title && !opt_line)
4364 opt_title = basename(xstrdup(argv[0]));
4366 setlocale(LC_CTYPE, "");
4367 XSetLocaleModifiers("");
4368 tnew(MAX(cols, 1), MAX(rows, 1));