1 /* See LICENSE for license details. */
14 #include <sys/ioctl.h>
15 #include <sys/select.h>
18 #include <sys/types.h>
23 #include <X11/Xatom.h>
25 #include <X11/Xutil.h>
26 #include <X11/cursorfont.h>
27 #include <X11/keysym.h>
28 #include <X11/Xft/Xft.h>
29 #include <X11/XKBlib.h>
30 #include <fontconfig/fontconfig.h>
42 #elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
44 #elif defined(__FreeBSD__) || defined(__DragonFly__)
50 #define XEMBED_FOCUS_IN 4
51 #define XEMBED_FOCUS_OUT 5
54 #define UTF_INVALID 0xFFFD
56 #define ESC_BUF_SIZ (128*UTF_SIZ)
57 #define ESC_ARG_SIZ 16
58 #define STR_BUF_SIZ ESC_BUF_SIZ
59 #define STR_ARG_SIZ ESC_ARG_SIZ
60 #define XK_ANY_MOD UINT_MAX
62 #define XK_SWITCH_MOD (1<<13)
65 #define MIN(a, b) ((a) < (b) ? (a) : (b))
66 #define MAX(a, b) ((a) < (b) ? (b) : (a))
67 #define LEN(a) (sizeof(a) / sizeof(a)[0])
68 #define DEFAULT(a, b) (a) = (a) ? (a) : (b)
69 #define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
70 #define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177')
71 #define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
72 #define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
73 #define ISDELIM(u) (utf8strchr(worddelimiters, u) != NULL)
74 #define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
75 #define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || \
77 #define IS_SET(flag) ((term.mode & (flag)) != 0)
78 #define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + \
79 (t1.tv_nsec-t2.tv_nsec)/1E6)
80 #define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
82 #define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
83 #define IS_TRUECOL(x) (1 << 24 & (x))
84 #define TRUERED(x) (((x) & 0xff0000) >> 8)
85 #define TRUEGREEN(x) (((x) & 0xff00))
86 #define TRUEBLUE(x) (((x) & 0xff) << 8)
89 enum glyph_attribute {
94 ATTR_UNDERLINE = 1 << 3,
96 ATTR_REVERSE = 1 << 5,
97 ATTR_INVISIBLE = 1 << 6,
101 ATTR_WDUMMY = 1 << 10,
102 ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
105 enum cursor_movement {
118 MODE_INSERT = 1 << 1,
119 MODE_APPKEYPAD = 1 << 2,
120 MODE_ALTSCREEN = 1 << 3,
122 MODE_MOUSEBTN = 1 << 5,
123 MODE_MOUSEMOTION = 1 << 6,
124 MODE_REVERSE = 1 << 7,
125 MODE_KBDLOCK = 1 << 8,
128 MODE_APPCURSOR = 1 << 11,
129 MODE_MOUSESGR = 1 << 12,
131 MODE_BLINK = 1 << 14,
132 MODE_FBLINK = 1 << 15,
133 MODE_FOCUS = 1 << 16,
134 MODE_MOUSEX10 = 1 << 17,
135 MODE_MOUSEMANY = 1 << 18,
136 MODE_BRCKTPASTE = 1 << 19,
137 MODE_PRINT = 1 << 20,
138 MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
155 ESC_STR = 4, /* DCS, OSC, PM, APC */
157 ESC_STR_END = 16, /* a final string was encountered */
158 ESC_TEST = 32, /* Enter in test mode */
166 enum selection_mode {
172 enum selection_type {
177 enum selection_snap {
182 typedef unsigned char uchar;
183 typedef unsigned int uint;
184 typedef unsigned long ulong;
185 typedef unsigned short ushort;
187 typedef uint_least32_t Rune;
189 typedef XftDraw *Draw;
190 typedef XftColor Color;
193 Rune u; /* character code */
194 ushort mode; /* attribute flags */
195 uint32_t fg; /* foreground */
196 uint32_t bg; /* background */
202 Glyph attr; /* current char attributes */
208 /* CSI Escape sequence structs */
209 /* ESC '[' [[ [<priv>] <arg> [;]] <mode> [<mode>]] */
211 char buf[ESC_BUF_SIZ]; /* raw string */
212 int len; /* raw string length */
214 int arg[ESC_ARG_SIZ];
215 int narg; /* nb of args */
219 /* STR Escape sequence structs */
220 /* ESC type [[ [<priv>] <arg> [;]] <mode>] ESC '\' */
222 char type; /* ESC type ... */
223 char buf[STR_BUF_SIZ]; /* raw string */
224 int len; /* raw string length */
225 char *args[STR_ARG_SIZ];
226 int narg; /* nb of args */
229 /* Internal representation of the screen */
231 int row; /* nb row */
232 int col; /* nb col */
233 Line *line; /* screen */
234 Line *alt; /* alternate screen */
235 int *dirty; /* dirtyness of lines */
236 XftGlyphFontSpec *specbuf; /* font spec buffer used for rendering */
237 TCursor c; /* cursor */
238 int top; /* top scroll limit */
239 int bot; /* bottom scroll limit */
240 int mode; /* terminal mode flags */
241 int esc; /* escape state flags */
242 char trantbl[4]; /* charset table translation */
243 int charset; /* current charset */
244 int icharset; /* selected charset for sequence */
245 int numlock; /* lock numbers in keyboard */
249 /* Purely graphic info */
255 Atom xembed, wmdeletewin, netwmname, netwmpid;
260 XSetWindowAttributes attrs;
262 int isfixed; /* is fixed geometry? */
263 int l, t; /* left and top offset */
264 int gm; /* geometry mask */
265 int tw, th; /* tty width and height */
266 int w, h; /* window width and height */
267 int ch; /* char height */
268 int cw; /* char width */
269 char state; /* focus, redraw, visible */
270 int cursor; /* cursor style */
283 /* three valued logic variables: 0 indifferent, 1 on, -1 off */
284 signed char appkey; /* application keypad */
285 signed char appcursor; /* application cursor */
286 signed char crlf; /* crlf mode */
294 * Selection variables:
295 * nb – normalized coordinates of the beginning of the selection
296 * ne – normalized coordinates of the end of the selection
297 * ob – original coordinates of the beginning of the selection
298 * oe – original coordinates of the end of the selection
304 char *primary, *clipboard;
307 struct timespec tclick1;
308 struct timespec tclick2;
321 void (*func)(const Arg *);
325 /* function definitions used in config.h */
326 static void clipcopy(const Arg *);
327 static void clippaste(const Arg *);
328 static void numlock(const Arg *);
329 static void selpaste(const Arg *);
330 static void xzoom(const Arg *);
331 static void xzoomabs(const Arg *);
332 static void xzoomreset(const Arg *);
333 static void printsel(const Arg *);
334 static void printscreen(const Arg *) ;
335 static void toggleprinter(const Arg *);
337 /* Config.h for applying patches and the configuration. */
353 /* Drawing Context */
355 Color col[MAX(LEN(colorname), 256)];
356 Font font, bfont, ifont, ibfont;
360 static void die(const char *, ...);
361 static void draw(void);
362 static void redraw(void);
363 static void drawregion(int, int, int, int);
364 static void execsh(void);
365 static void stty(void);
366 static void sigchld(int);
367 static void run(void);
369 static void csidump(void);
370 static void csihandle(void);
371 static void csiparse(void);
372 static void csireset(void);
373 static int eschandle(uchar);
374 static void strdump(void);
375 static void strhandle(void);
376 static void strparse(void);
377 static void strreset(void);
379 static int tattrset(int);
380 static void tprinter(char *, size_t);
381 static void tdumpsel(void);
382 static void tdumpline(int);
383 static void tdump(void);
384 static void tclearregion(int, int, int, int);
385 static void tcursor(int);
386 static void tdeletechar(int);
387 static void tdeleteline(int);
388 static void tinsertblank(int);
389 static void tinsertblankline(int);
390 static int tlinelen(int);
391 static void tmoveto(int, int);
392 static void tmoveato(int, int);
393 static void tnew(int, int);
394 static void tnewline(int);
395 static void tputtab(int);
396 static void tputc(Rune);
397 static void treset(void);
398 static void tresize(int, int);
399 static void tscrollup(int, int);
400 static void tscrolldown(int, int);
401 static void tsetattr(int *, int);
402 static void tsetchar(Rune, Glyph *, int, int);
403 static void tsetscroll(int, int);
404 static void tswapscreen(void);
405 static void tsetdirt(int, int);
406 static void tsetdirtattr(int);
407 static void tsetmode(int, int, int *, int);
408 static void tfulldirt(void);
409 static void techo(Rune);
410 static void tcontrolcode(uchar );
411 static void tdectest(char );
412 static int32_t tdefcolor(int *, int *, int);
413 static void tdeftran(char);
414 static inline int match(uint, uint);
415 static void ttynew(void);
416 static void ttyread(void);
417 static void ttyresize(void);
418 static void ttysend(char *, size_t);
419 static void ttywrite(const char *, size_t);
420 static void tstrsequence(uchar);
422 static inline ushort sixd_to_16bit(int);
423 static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
424 static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
425 static void xdrawglyph(Glyph, int, int);
426 static void xhints(void);
427 static void xclear(int, int, int, int);
428 static void xdrawcursor(void);
429 static void xinit(void);
430 static void xloadcols(void);
431 static int xsetcolorname(int, const char *);
432 static int xgeommasktogravity(int);
433 static int xloadfont(Font *, FcPattern *);
434 static void xloadfonts(char *, double);
435 static void xsettitle(char *);
436 static void xresettitle(void);
437 static void xsetpointermotion(int);
438 static void xseturgency(int);
439 static void xsetsel(char *, Time);
440 static void xtermclear(int, int, int, int);
441 static void xunloadfont(Font *);
442 static void xunloadfonts(void);
443 static void xresize(int, int);
445 static void expose(XEvent *);
446 static void visibility(XEvent *);
447 static void unmap(XEvent *);
448 static char *kmap(KeySym, uint);
449 static void kpress(XEvent *);
450 static void cmessage(XEvent *);
451 static void cresize(int, int);
452 static void resize(XEvent *);
453 static void focus(XEvent *);
454 static void brelease(XEvent *);
455 static void bpress(XEvent *);
456 static void bmotion(XEvent *);
457 static void propnotify(XEvent *);
458 static void selnotify(XEvent *);
459 static void selclear(XEvent *);
460 static void selrequest(XEvent *);
462 static void selinit(void);
463 static void selnormalize(void);
464 static inline int selected(int, int);
465 static char *getsel(void);
466 static void selcopy(Time);
467 static void selscroll(int, int);
468 static void selsnap(int *, int *, int);
469 static int x2col(int);
470 static int y2row(int);
471 static void getbuttoninfo(XEvent *);
472 static void mousereport(XEvent *);
474 static size_t utf8decode(char *, Rune *, size_t);
475 static Rune utf8decodebyte(char, size_t *);
476 static size_t utf8encode(Rune, char *);
477 static char utf8encodebyte(Rune, size_t);
478 static char *utf8strchr(char *s, Rune u);
479 static size_t utf8validate(Rune *, size_t);
481 static ssize_t xwrite(int, const char *, size_t);
482 static void *xmalloc(size_t);
483 static void *xrealloc(void *, size_t);
484 static char *xstrdup(char *);
486 static void usage(void);
488 static void (*handler[LASTEvent])(XEvent *) = {
490 [ClientMessage] = cmessage,
491 [ConfigureNotify] = resize,
492 [VisibilityNotify] = visibility,
493 [UnmapNotify] = unmap,
497 [MotionNotify] = bmotion,
498 [ButtonPress] = bpress,
499 [ButtonRelease] = brelease,
501 * Uncomment if you want the selection to disappear when you select something
502 * different in another window.
504 /* [SelectionClear] = selclear, */
505 [SelectionNotify] = selnotify,
507 * PropertyNotify is only turned on when there is some INCR transfer happening
508 * for the selection retrieval.
510 [PropertyNotify] = propnotify,
511 [SelectionRequest] = selrequest,
518 static CSIEscape csiescseq;
519 static STREscape strescseq;
522 static Selection sel;
524 static char **opt_cmd = NULL;
525 static char *opt_io = NULL;
526 static char *opt_title = NULL;
527 static char *opt_embed = NULL;
528 static char *opt_class = NULL;
529 static char *opt_font = NULL;
530 static char *opt_line = NULL;
531 static int oldbutton = 3; /* button event on startup: 3 = release */
533 static char *usedfont = NULL;
534 static double usedfontsize = 0;
535 static double defaultfontsize = 0;
537 static uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0};
538 static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
539 static Rune utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000};
540 static Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
542 /* Font Ring Cache */
556 /* Fontcache is an array now. A new font will be appended to the array. */
557 static Fontcache frc[16];
558 static int frclen = 0;
561 xwrite(int fd, const char *s, size_t len)
566 r = write(fd, s, len);
578 void *p = malloc(len);
581 die("Out of memory\n");
587 xrealloc(void *p, size_t len)
589 if ((p = realloc(p, len)) == NULL)
590 die("Out of memory\n");
598 if ((s = strdup(s)) == NULL)
599 die("Out of memory\n");
605 utf8decode(char *c, Rune *u, size_t clen)
607 size_t i, j, len, type;
613 udecoded = utf8decodebyte(c[0], &len);
614 if (!BETWEEN(len, 1, UTF_SIZ))
616 for (i = 1, j = 1; i < clen && j < len; ++i, ++j) {
617 udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type);
624 utf8validate(u, len);
629 utf8decodebyte(char c, size_t *i)
631 for (*i = 0; *i < LEN(utfmask); ++(*i))
632 if (((uchar)c & utfmask[*i]) == utfbyte[*i])
633 return (uchar)c & ~utfmask[*i];
638 utf8encode(Rune u, char *c)
642 len = utf8validate(&u, 0);
645 for (i = len - 1; i != 0; --i) {
646 c[i] = utf8encodebyte(u, 0);
649 c[0] = utf8encodebyte(u, len);
654 utf8encodebyte(Rune u, size_t i)
656 return utfbyte[i] | (u & ~utfmask[i]);
660 utf8strchr(char *s, Rune u)
666 for (i = 0, j = 0; i < len; i += j) {
667 if (!(j = utf8decode(&s[i], &r, len - i)))
676 utf8validate(Rune *u, size_t i)
678 if (!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
680 for (i = 1; *u > utfmax[i]; ++i)
688 memset(&sel.tclick1, 0, sizeof(sel.tclick1));
689 memset(&sel.tclick2, 0, sizeof(sel.tclick2));
693 sel.clipboard = NULL;
694 sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
695 if (sel.xtarget == None)
696 sel.xtarget = XA_STRING;
705 return LIMIT(x, 0, term.col-1);
714 return LIMIT(y, 0, term.row-1);
722 if (term.line[y][i - 1].mode & ATTR_WRAP)
725 while (i > 0 && term.line[y][i - 1].u == ' ')
736 if (sel.type == SEL_REGULAR && sel.ob.y != sel.oe.y) {
737 sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x;
738 sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x;
740 sel.nb.x = MIN(sel.ob.x, sel.oe.x);
741 sel.ne.x = MAX(sel.ob.x, sel.oe.x);
743 sel.nb.y = MIN(sel.ob.y, sel.oe.y);
744 sel.ne.y = MAX(sel.ob.y, sel.oe.y);
746 selsnap(&sel.nb.x, &sel.nb.y, -1);
747 selsnap(&sel.ne.x, &sel.ne.y, +1);
749 /* expand selection over line breaks */
750 if (sel.type == SEL_RECTANGULAR)
752 i = tlinelen(sel.nb.y);
755 if (tlinelen(sel.ne.y) <= sel.ne.x)
756 sel.ne.x = term.col - 1;
760 selected(int x, int y)
762 if (sel.mode == SEL_EMPTY)
765 if (sel.type == SEL_RECTANGULAR)
766 return BETWEEN(y, sel.nb.y, sel.ne.y)
767 && BETWEEN(x, sel.nb.x, sel.ne.x);
769 return BETWEEN(y, sel.nb.y, sel.ne.y)
770 && (y != sel.nb.y || x >= sel.nb.x)
771 && (y != sel.ne.y || x <= sel.ne.x);
775 selsnap(int *x, int *y, int direction)
777 int newx, newy, xt, yt;
778 int delim, prevdelim;
784 * Snap around if the word wraps around at the end or
785 * beginning of a line.
787 prevgp = &term.line[*y][*x];
788 prevdelim = ISDELIM(prevgp->u);
790 newx = *x + direction;
792 if (!BETWEEN(newx, 0, term.col - 1)) {
794 newx = (newx + term.col) % term.col;
795 if (!BETWEEN(newy, 0, term.row - 1))
801 yt = newy, xt = newx;
802 if (!(term.line[yt][xt].mode & ATTR_WRAP))
806 if (newx >= tlinelen(newy))
809 gp = &term.line[newy][newx];
810 delim = ISDELIM(gp->u);
811 if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
812 || (delim && gp->u != prevgp->u)))
823 * Snap around if the the previous line or the current one
824 * has set ATTR_WRAP at its end. Then the whole next or
825 * previous line will be selected.
827 *x = (direction < 0) ? 0 : term.col - 1;
829 for (; *y > 0; *y += direction) {
830 if (!(term.line[*y-1][term.col-1].mode
835 } else if (direction > 0) {
836 for (; *y < term.row-1; *y += direction) {
837 if (!(term.line[*y][term.col-1].mode
848 getbuttoninfo(XEvent *e)
851 uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
853 sel.alt = IS_SET(MODE_ALTSCREEN);
855 sel.oe.x = x2col(e->xbutton.x);
856 sel.oe.y = y2row(e->xbutton.y);
859 sel.type = SEL_REGULAR;
860 for (type = 1; type < LEN(selmasks); ++type) {
861 if (match(selmasks[type], state)) {
869 mousereport(XEvent *e)
871 int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
872 button = e->xbutton.button, state = e->xbutton.state,
878 if (e->xbutton.type == MotionNotify) {
879 if (x == ox && y == oy)
881 if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
883 /* MOUSE_MOTION: no reporting if no button is pressed */
884 if (IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
887 button = oldbutton + 32;
891 if (!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
898 if (e->xbutton.type == ButtonPress) {
902 } else if (e->xbutton.type == ButtonRelease) {
904 /* MODE_MOUSEX10: no button release reporting */
905 if (IS_SET(MODE_MOUSEX10))
907 if (button == 64 || button == 65)
912 if (!IS_SET(MODE_MOUSEX10)) {
913 button += ((state & ShiftMask ) ? 4 : 0)
914 + ((state & Mod4Mask ) ? 8 : 0)
915 + ((state & ControlMask) ? 16 : 0);
918 if (IS_SET(MODE_MOUSESGR)) {
919 len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
921 e->xbutton.type == ButtonRelease ? 'm' : 'M');
922 } else if (x < 223 && y < 223) {
923 len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
924 32+button, 32+x+1, 32+y+1);
938 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
943 for (mk = mshortcuts; mk < mshortcuts + LEN(mshortcuts); mk++) {
944 if (e->xbutton.button == mk->b
945 && match(mk->mask, e->xbutton.state)) {
946 ttysend(mk->s, strlen(mk->s));
951 if (e->xbutton.button == Button1) {
952 clock_gettime(CLOCK_MONOTONIC, &now);
954 /* Clear previous selection, logically and visually. */
956 sel.mode = SEL_EMPTY;
957 sel.type = SEL_REGULAR;
958 sel.oe.x = sel.ob.x = x2col(e->xbutton.x);
959 sel.oe.y = sel.ob.y = y2row(e->xbutton.y);
962 * If the user clicks below predefined timeouts specific
963 * snapping behaviour is exposed.
965 if (TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
966 sel.snap = SNAP_LINE;
967 } else if (TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
968 sel.snap = SNAP_WORD;
975 sel.mode = SEL_READY;
976 tsetdirt(sel.nb.y, sel.ne.y);
977 sel.tclick2 = sel.tclick1;
986 int y, bufsize, lastx, linelen;
992 bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ;
993 ptr = str = xmalloc(bufsize);
995 /* append every set & selected glyph to the selection */
996 for (y = sel.nb.y; y <= sel.ne.y; y++) {
997 linelen = tlinelen(y);
999 if (sel.type == SEL_RECTANGULAR) {
1000 gp = &term.line[y][sel.nb.x];
1003 gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0];
1004 lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
1006 last = &term.line[y][MIN(lastx, linelen-1)];
1007 while (last >= gp && last->u == ' ')
1010 for ( ; gp <= last; ++gp) {
1011 if (gp->mode & ATTR_WDUMMY)
1014 ptr += utf8encode(gp->u, ptr);
1018 * Copy and pasting of line endings is inconsistent
1019 * in the inconsistent terminal and GUI world.
1020 * The best solution seems like to produce '\n' when
1021 * something is copied from st and convert '\n' to
1022 * '\r', when something to be pasted is received by
1024 * FIXME: Fix the computer world.
1026 if ((y < sel.ne.y || lastx >= linelen) && !(last->mode & ATTR_WRAP))
1036 xsetsel(getsel(), t);
1040 propnotify(XEvent *e)
1042 XPropertyEvent *xpev;
1043 Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
1045 xpev = &e->xproperty;
1046 if (xpev->state == PropertyNewValue &&
1047 (xpev->atom == XA_PRIMARY ||
1048 xpev->atom == clipboard)) {
1054 selnotify(XEvent *e)
1056 ulong nitems, ofs, rem;
1058 uchar *data, *last, *repl;
1059 Atom type, incratom, property;
1061 incratom = XInternAtom(xw.dpy, "INCR", 0);
1064 if (e->type == SelectionNotify) {
1065 property = e->xselection.property;
1066 } else if(e->type == PropertyNotify) {
1067 property = e->xproperty.atom;
1071 if (property == None)
1075 if (XGetWindowProperty(xw.dpy, xw.win, property, ofs,
1076 BUFSIZ/4, False, AnyPropertyType,
1077 &type, &format, &nitems, &rem,
1079 fprintf(stderr, "Clipboard allocation failed\n");
1083 if (e->type == PropertyNotify && nitems == 0 && rem == 0) {
1085 * If there is some PropertyNotify with no data, then
1086 * this is the signal of the selection owner that all
1087 * data has been transferred. We won't need to receive
1088 * PropertyNotify events anymore.
1090 MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask);
1091 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
1095 if (type == incratom) {
1097 * Activate the PropertyNotify events so we receive
1098 * when the selection owner does send us the next
1101 MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask);
1102 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
1106 * Deleting the property is the transfer start signal.
1108 XDeleteProperty(xw.dpy, xw.win, (int)property);
1113 * As seen in getsel:
1114 * Line endings are inconsistent in the terminal and GUI world
1115 * copy and pasting. When receiving some selection data,
1116 * replace all '\n' with '\r'.
1117 * FIXME: Fix the computer world.
1120 last = data + nitems * format / 8;
1121 while ((repl = memchr(repl, '\n', last - repl))) {
1125 if (IS_SET(MODE_BRCKTPASTE))
1126 ttywrite("\033[200~", 6);
1127 ttysend((char *)data, nitems * format / 8);
1128 if (IS_SET(MODE_BRCKTPASTE))
1129 ttywrite("\033[201~", 6);
1131 /* number of 32-bit chunks returned */
1132 ofs += nitems * format / 32;
1136 * Deleting the property again tells the selection owner to send the
1137 * next data chunk in the property.
1139 if (e->type == PropertyNotify)
1140 XDeleteProperty(xw.dpy, xw.win, (int)property);
1144 selpaste(const Arg *dummy)
1146 XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY,
1147 xw.win, CurrentTime);
1151 clipcopy(const Arg *dummy)
1155 if (sel.clipboard != NULL)
1156 free(sel.clipboard);
1158 if (sel.primary != NULL) {
1159 sel.clipboard = xstrdup(sel.primary);
1160 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
1161 XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
1166 clippaste(const Arg *dummy)
1170 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
1171 XConvertSelection(xw.dpy, clipboard, sel.xtarget, clipboard,
1172 xw.win, CurrentTime);
1180 sel.mode = SEL_IDLE;
1182 tsetdirt(sel.nb.y, sel.ne.y);
1186 selrequest(XEvent *e)
1188 XSelectionRequestEvent *xsre;
1189 XSelectionEvent xev;
1190 Atom xa_targets, string, clipboard;
1193 xsre = (XSelectionRequestEvent *) e;
1194 xev.type = SelectionNotify;
1195 xev.requestor = xsre->requestor;
1196 xev.selection = xsre->selection;
1197 xev.target = xsre->target;
1198 xev.time = xsre->time;
1199 if (xsre->property == None)
1200 xsre->property = xsre->target;
1203 xev.property = None;
1205 xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
1206 if (xsre->target == xa_targets) {
1207 /* respond with the supported type */
1208 string = sel.xtarget;
1209 XChangeProperty(xsre->display, xsre->requestor, xsre->property,
1210 XA_ATOM, 32, PropModeReplace,
1211 (uchar *) &string, 1);
1212 xev.property = xsre->property;
1213 } else if (xsre->target == sel.xtarget || xsre->target == XA_STRING) {
1215 * xith XA_STRING non ascii characters may be incorrect in the
1216 * requestor. It is not our problem, use utf8.
1218 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
1219 if (xsre->selection == XA_PRIMARY) {
1220 seltext = sel.primary;
1221 } else if (xsre->selection == clipboard) {
1222 seltext = sel.clipboard;
1225 "Unhandled clipboard selection 0x%lx\n",
1229 if (seltext != NULL) {
1230 XChangeProperty(xsre->display, xsre->requestor,
1231 xsre->property, xsre->target,
1233 (uchar *)seltext, strlen(seltext));
1234 xev.property = xsre->property;
1238 /* all done, send a notification to the listener */
1239 if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev))
1240 fprintf(stderr, "Error sending SelectionNotify event\n");
1244 xsetsel(char *str, Time t)
1249 XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
1250 if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
1257 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
1262 if (e->xbutton.button == Button2) {
1264 } else if (e->xbutton.button == Button1) {
1265 if (sel.mode == SEL_READY) {
1267 selcopy(e->xbutton.time);
1270 sel.mode = SEL_IDLE;
1271 tsetdirt(sel.nb.y, sel.ne.y);
1278 int oldey, oldex, oldsby, oldsey;
1280 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
1288 sel.mode = SEL_READY;
1295 if (oldey != sel.oe.y || oldex != sel.oe.x)
1296 tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
1300 die(const char *errstr, ...)
1304 va_start(ap, errstr);
1305 vfprintf(stderr, errstr, ap);
1313 char **args, *sh, *prog;
1314 const struct passwd *pw;
1315 char buf[sizeof(long) * 8 + 1];
1318 if ((pw = getpwuid(getuid())) == NULL) {
1320 die("getpwuid:%s\n", strerror(errno));
1322 die("who are you?\n");
1325 if (!(sh = getenv("SHELL"))) {
1326 sh = (pw->pw_shell[0]) ? pw->pw_shell : shell;
1335 args = (opt_cmd) ? opt_cmd : (char *[]) {prog, NULL};
1337 snprintf(buf, sizeof(buf), "%lu", xw.win);
1339 unsetenv("COLUMNS");
1341 unsetenv("TERMCAP");
1342 setenv("LOGNAME", pw->pw_name, 1);
1343 setenv("USER", pw->pw_name, 1);
1344 setenv("SHELL", sh, 1);
1345 setenv("HOME", pw->pw_dir, 1);
1346 setenv("TERM", termname, 1);
1347 setenv("WINDOWID", buf, 1);
1349 signal(SIGCHLD, SIG_DFL);
1350 signal(SIGHUP, SIG_DFL);
1351 signal(SIGINT, SIG_DFL);
1352 signal(SIGQUIT, SIG_DFL);
1353 signal(SIGTERM, SIG_DFL);
1354 signal(SIGALRM, SIG_DFL);
1366 if ((p = waitpid(pid, &stat, WNOHANG)) < 0)
1367 die("Waiting for pid %hd failed: %s\n", pid, strerror(errno));
1372 if (!WIFEXITED(stat) || WEXITSTATUS(stat))
1373 die("child finished with error '%d'\n", stat);
1381 char cmd[_POSIX_ARG_MAX], **p, *q, *s;
1384 if ((n = strlen(stty_args)) > sizeof(cmd)-1)
1385 die("incorrect stty parameters\n");
1386 memcpy(cmd, stty_args, n);
1388 siz = sizeof(cmd) - n;
1389 for (p = opt_cmd; p && (s = *p); ++p) {
1390 if ((n = strlen(s)) > siz-1)
1391 die("stty parameter length too long\n");
1393 q = memcpy(q, s, n);
1398 if (system(cmd) != 0)
1399 perror("Couldn't call stty");
1406 struct winsize w = {term.row, term.col, 0, 0};
1409 term.mode |= MODE_PRINT;
1410 iofd = (!strcmp(opt_io, "-")) ?
1411 1 : open(opt_io, O_WRONLY | O_CREAT, 0666);
1413 fprintf(stderr, "Error opening %s:%s\n",
1414 opt_io, strerror(errno));
1419 if ((cmdfd = open(opt_line, O_RDWR)) < 0)
1420 die("open line failed: %s\n", strerror(errno));
1427 /* seems to work fine on linux, openbsd and freebsd */
1428 if (openpty(&m, &s, NULL, NULL, &w) < 0)
1429 die("openpty failed: %s\n", strerror(errno));
1431 switch (pid = fork()) {
1433 die("fork failed\n");
1437 setsid(); /* create a new process group */
1441 if (ioctl(s, TIOCSCTTY, NULL) < 0)
1442 die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
1450 signal(SIGCHLD, sigchld);
1458 static char buf[BUFSIZ];
1459 static int buflen = 0;
1461 int charsize; /* size of utf8 char in bytes */
1465 /* append read bytes to unprocessed bytes */
1466 if ((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0)
1467 die("Couldn't read from shell: %s\n", strerror(errno));
1469 /* process every complete utf8 char */
1472 while ((charsize = utf8decode(ptr, &unicodep, buflen))) {
1478 /* keep any uncomplete utf8 char for the next call */
1479 memmove(buf, ptr, buflen);
1483 ttywrite(const char *s, size_t n)
1490 * Remember that we are using a pty, which might be a modem line.
1491 * Writing too much will clog the line. That's why we are doing this
1493 * FIXME: Migrate the world to Plan 9.
1497 FD_SET(cmdfd, &wfd);
1501 /* Check if we can write. */
1502 if (pselect(cmdfd+1, NULL, &wfd, NULL, &tv, NULL) < 0) {
1505 die("select failed: %s\n", strerror(errno));
1507 if(!FD_ISSET(cmdfd, &wfd)) {
1508 /* No, then free some buffer space. */
1512 * Only write 256 bytes at maximum. This seems to be a
1513 * reasonable value for a serial line. Bigger values
1514 * might clog the I/O.
1516 r = write(cmdfd, s, (n < 256)? n : 256);
1518 die("write error on tty: %s\n",
1523 * We weren't able to write out everything.
1524 * This means the buffer is getting full
1531 /* All bytes have been written. */
1539 ttysend(char *s, size_t n)
1545 if (IS_SET(MODE_ECHO))
1546 while ((len = utf8decode(s, &u, n)) > 0) {
1558 w.ws_row = term.row;
1559 w.ws_col = term.col;
1560 w.ws_xpixel = xw.tw;
1561 w.ws_ypixel = xw.th;
1562 if (ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
1563 fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno));
1571 for (i = 0; i < term.row-1; i++) {
1572 for (j = 0; j < term.col-1; j++) {
1573 if (term.line[i][j].mode & attr)
1582 tsetdirt(int top, int bot)
1586 LIMIT(top, 0, term.row-1);
1587 LIMIT(bot, 0, term.row-1);
1589 for (i = top; i <= bot; i++)
1594 tsetdirtattr(int attr)
1598 for (i = 0; i < term.row-1; i++) {
1599 for (j = 0; j < term.col-1; j++) {
1600 if (term.line[i][j].mode & attr) {
1611 tsetdirt(0, term.row-1);
1617 static TCursor c[2];
1618 int alt = IS_SET(MODE_ALTSCREEN);
1620 if (mode == CURSOR_SAVE) {
1622 } else if (mode == CURSOR_LOAD) {
1624 tmoveto(c[alt].x, c[alt].y);
1633 term.c = (TCursor){{
1637 }, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
1639 memset(term.tabs, 0, term.col * sizeof(*term.tabs));
1640 for (i = tabspaces; i < term.col; i += tabspaces)
1643 term.bot = term.row - 1;
1644 term.mode = MODE_WRAP;
1645 memset(term.trantbl, CS_USA, sizeof(term.trantbl));
1648 for (i = 0; i < 2; i++) {
1650 tcursor(CURSOR_SAVE);
1651 tclearregion(0, 0, term.col-1, term.row-1);
1657 tnew(int col, int row)
1659 term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } };
1669 Line *tmp = term.line;
1671 term.line = term.alt;
1673 term.mode ^= MODE_ALTSCREEN;
1678 tscrolldown(int orig, int n)
1683 LIMIT(n, 0, term.bot-orig+1);
1685 tsetdirt(orig, term.bot-n);
1686 tclearregion(0, term.bot-n+1, term.col-1, term.bot);
1688 for (i = term.bot; i >= orig+n; i--) {
1689 temp = term.line[i];
1690 term.line[i] = term.line[i-n];
1691 term.line[i-n] = temp;
1698 tscrollup(int orig, int n)
1703 LIMIT(n, 0, term.bot-orig+1);
1705 tclearregion(0, orig, term.col-1, orig+n-1);
1706 tsetdirt(orig+n, term.bot);
1708 for (i = orig; i <= term.bot-n; i++) {
1709 temp = term.line[i];
1710 term.line[i] = term.line[i+n];
1711 term.line[i+n] = temp;
1714 selscroll(orig, -n);
1718 selscroll(int orig, int n)
1723 if (BETWEEN(sel.ob.y, orig, term.bot) || BETWEEN(sel.oe.y, orig, term.bot)) {
1724 if ((sel.ob.y += n) > term.bot || (sel.oe.y += n) < term.top) {
1728 if (sel.type == SEL_RECTANGULAR) {
1729 if (sel.ob.y < term.top)
1730 sel.ob.y = term.top;
1731 if (sel.oe.y > term.bot)
1732 sel.oe.y = term.bot;
1734 if (sel.ob.y < term.top) {
1735 sel.ob.y = term.top;
1738 if (sel.oe.y > term.bot) {
1739 sel.oe.y = term.bot;
1740 sel.oe.x = term.col;
1748 tnewline(int first_col)
1752 if (y == term.bot) {
1753 tscrollup(term.top, 1);
1757 tmoveto(first_col ? 0 : term.c.x, y);
1763 char *p = csiescseq.buf, *np;
1772 csiescseq.buf[csiescseq.len] = '\0';
1773 while (p < csiescseq.buf+csiescseq.len) {
1775 v = strtol(p, &np, 10);
1778 if (v == LONG_MAX || v == LONG_MIN)
1780 csiescseq.arg[csiescseq.narg++] = v;
1782 if (*p != ';' || csiescseq.narg == ESC_ARG_SIZ)
1786 csiescseq.mode[0] = *p++;
1787 csiescseq.mode[1] = (p < csiescseq.buf+csiescseq.len) ? *p : '\0';
1790 /* for absolute user moves, when decom is set */
1792 tmoveato(int x, int y)
1794 tmoveto(x, y + ((term.c.state & CURSOR_ORIGIN) ? term.top: 0));
1798 tmoveto(int x, int y)
1802 if (term.c.state & CURSOR_ORIGIN) {
1807 maxy = term.row - 1;
1809 term.c.state &= ~CURSOR_WRAPNEXT;
1810 term.c.x = LIMIT(x, 0, term.col-1);
1811 term.c.y = LIMIT(y, miny, maxy);
1815 tsetchar(Rune u, Glyph *attr, int x, int y)
1817 static char *vt100_0[62] = { /* 0x41 - 0x7e */
1818 "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
1819 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
1820 0, 0, 0, 0, 0, 0, 0, 0, /* P - W */
1821 0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */
1822 "◆", "▒", "␉", "␌", "␍", "␊", "°", "±", /* ` - g */
1823 "", "␋", "┘", "┐", "┌", "└", "┼", "⎺", /* h - o */
1824 "⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */
1825 "│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */
1829 * The table is proudly stolen from rxvt.
1831 if (term.trantbl[term.charset] == CS_GRAPHIC0 &&
1832 BETWEEN(u, 0x41, 0x7e) && vt100_0[u - 0x41])
1833 utf8decode(vt100_0[u - 0x41], &u, UTF_SIZ);
1835 if (term.line[y][x].mode & ATTR_WIDE) {
1836 if (x+1 < term.col) {
1837 term.line[y][x+1].u = ' ';
1838 term.line[y][x+1].mode &= ~ATTR_WDUMMY;
1840 } else if (term.line[y][x].mode & ATTR_WDUMMY) {
1841 term.line[y][x-1].u = ' ';
1842 term.line[y][x-1].mode &= ~ATTR_WIDE;
1846 term.line[y][x] = *attr;
1847 term.line[y][x].u = u;
1851 tclearregion(int x1, int y1, int x2, int y2)
1857 temp = x1, x1 = x2, x2 = temp;
1859 temp = y1, y1 = y2, y2 = temp;
1861 LIMIT(x1, 0, term.col-1);
1862 LIMIT(x2, 0, term.col-1);
1863 LIMIT(y1, 0, term.row-1);
1864 LIMIT(y2, 0, term.row-1);
1866 for (y = y1; y <= y2; y++) {
1868 for (x = x1; x <= x2; x++) {
1869 gp = &term.line[y][x];
1872 gp->fg = term.c.attr.fg;
1873 gp->bg = term.c.attr.bg;
1886 LIMIT(n, 0, term.col - term.c.x);
1890 size = term.col - src;
1891 line = term.line[term.c.y];
1893 memmove(&line[dst], &line[src], size * sizeof(Glyph));
1894 tclearregion(term.col-n, term.c.y, term.col-1, term.c.y);
1903 LIMIT(n, 0, term.col - term.c.x);
1907 size = term.col - dst;
1908 line = term.line[term.c.y];
1910 memmove(&line[dst], &line[src], size * sizeof(Glyph));
1911 tclearregion(src, term.c.y, dst - 1, term.c.y);
1915 tinsertblankline(int n)
1917 if (BETWEEN(term.c.y, term.top, term.bot))
1918 tscrolldown(term.c.y, n);
1924 if (BETWEEN(term.c.y, term.top, term.bot))
1925 tscrollup(term.c.y, n);
1929 tdefcolor(int *attr, int *npar, int l)
1934 switch (attr[*npar + 1]) {
1935 case 2: /* direct color in RGB space */
1936 if (*npar + 4 >= l) {
1938 "erresc(38): Incorrect number of parameters (%d)\n",
1942 r = attr[*npar + 2];
1943 g = attr[*npar + 3];
1944 b = attr[*npar + 4];
1946 if (!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255))
1947 fprintf(stderr, "erresc: bad rgb color (%u,%u,%u)\n",
1950 idx = TRUECOLOR(r, g, b);
1952 case 5: /* indexed color */
1953 if (*npar + 2 >= l) {
1955 "erresc(38): Incorrect number of parameters (%d)\n",
1960 if (!BETWEEN(attr[*npar], 0, 255))
1961 fprintf(stderr, "erresc: bad fgcolor %d\n", attr[*npar]);
1965 case 0: /* implemented defined (only foreground) */
1966 case 1: /* transparent */
1967 case 3: /* direct color in CMY space */
1968 case 4: /* direct color in CMYK space */
1971 "erresc(38): gfx attr %d unknown\n", attr[*npar]);
1979 tsetattr(int *attr, int l)
1984 for (i = 0; i < l; i++) {
1987 term.c.attr.mode &= ~(
1996 term.c.attr.fg = defaultfg;
1997 term.c.attr.bg = defaultbg;
2000 term.c.attr.mode |= ATTR_BOLD;
2003 term.c.attr.mode |= ATTR_FAINT;
2006 term.c.attr.mode |= ATTR_ITALIC;
2009 term.c.attr.mode |= ATTR_UNDERLINE;
2011 case 5: /* slow blink */
2013 case 6: /* rapid blink */
2014 term.c.attr.mode |= ATTR_BLINK;
2017 term.c.attr.mode |= ATTR_REVERSE;
2020 term.c.attr.mode |= ATTR_INVISIBLE;
2023 term.c.attr.mode |= ATTR_STRUCK;
2026 term.c.attr.mode &= ~(ATTR_BOLD | ATTR_FAINT);
2029 term.c.attr.mode &= ~ATTR_ITALIC;
2032 term.c.attr.mode &= ~ATTR_UNDERLINE;
2035 term.c.attr.mode &= ~ATTR_BLINK;
2038 term.c.attr.mode &= ~ATTR_REVERSE;
2041 term.c.attr.mode &= ~ATTR_INVISIBLE;
2044 term.c.attr.mode &= ~ATTR_STRUCK;
2047 if ((idx = tdefcolor(attr, &i, l)) >= 0)
2048 term.c.attr.fg = idx;
2051 term.c.attr.fg = defaultfg;
2054 if ((idx = tdefcolor(attr, &i, l)) >= 0)
2055 term.c.attr.bg = idx;
2058 term.c.attr.bg = defaultbg;
2061 if (BETWEEN(attr[i], 30, 37)) {
2062 term.c.attr.fg = attr[i] - 30;
2063 } else if (BETWEEN(attr[i], 40, 47)) {
2064 term.c.attr.bg = attr[i] - 40;
2065 } else if (BETWEEN(attr[i], 90, 97)) {
2066 term.c.attr.fg = attr[i] - 90 + 8;
2067 } else if (BETWEEN(attr[i], 100, 107)) {
2068 term.c.attr.bg = attr[i] - 100 + 8;
2071 "erresc(default): gfx attr %d unknown\n",
2072 attr[i]), csidump();
2080 tsetscroll(int t, int b)
2084 LIMIT(t, 0, term.row-1);
2085 LIMIT(b, 0, term.row-1);
2096 tsetmode(int priv, int set, int *args, int narg)
2101 for (lim = args + narg; args < lim; ++args) {
2104 case 1: /* DECCKM -- Cursor key */
2105 MODBIT(term.mode, set, MODE_APPCURSOR);
2107 case 5: /* DECSCNM -- Reverse video */
2109 MODBIT(term.mode, set, MODE_REVERSE);
2110 if (mode != term.mode)
2113 case 6: /* DECOM -- Origin */
2114 MODBIT(term.c.state, set, CURSOR_ORIGIN);
2117 case 7: /* DECAWM -- Auto wrap */
2118 MODBIT(term.mode, set, MODE_WRAP);
2120 case 0: /* Error (IGNORED) */
2121 case 2: /* DECANM -- ANSI/VT52 (IGNORED) */
2122 case 3: /* DECCOLM -- Column (IGNORED) */
2123 case 4: /* DECSCLM -- Scroll (IGNORED) */
2124 case 8: /* DECARM -- Auto repeat (IGNORED) */
2125 case 18: /* DECPFF -- Printer feed (IGNORED) */
2126 case 19: /* DECPEX -- Printer extent (IGNORED) */
2127 case 42: /* DECNRCM -- National characters (IGNORED) */
2128 case 12: /* att610 -- Start blinking cursor (IGNORED) */
2130 case 25: /* DECTCEM -- Text Cursor Enable Mode */
2131 MODBIT(term.mode, !set, MODE_HIDE);
2133 case 9: /* X10 mouse compatibility mode */
2134 xsetpointermotion(0);
2135 MODBIT(term.mode, 0, MODE_MOUSE);
2136 MODBIT(term.mode, set, MODE_MOUSEX10);
2138 case 1000: /* 1000: report button press */
2139 xsetpointermotion(0);
2140 MODBIT(term.mode, 0, MODE_MOUSE);
2141 MODBIT(term.mode, set, MODE_MOUSEBTN);
2143 case 1002: /* 1002: report motion on button press */
2144 xsetpointermotion(0);
2145 MODBIT(term.mode, 0, MODE_MOUSE);
2146 MODBIT(term.mode, set, MODE_MOUSEMOTION);
2148 case 1003: /* 1003: enable all mouse motions */
2149 xsetpointermotion(set);
2150 MODBIT(term.mode, 0, MODE_MOUSE);
2151 MODBIT(term.mode, set, MODE_MOUSEMANY);
2153 case 1004: /* 1004: send focus events to tty */
2154 MODBIT(term.mode, set, MODE_FOCUS);
2156 case 1006: /* 1006: extended reporting mode */
2157 MODBIT(term.mode, set, MODE_MOUSESGR);
2160 MODBIT(term.mode, set, MODE_8BIT);
2162 case 1049: /* swap screen & set/restore cursor as xterm */
2163 if (!allowaltscreen)
2165 tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
2167 case 47: /* swap screen */
2169 if (!allowaltscreen)
2171 alt = IS_SET(MODE_ALTSCREEN);
2173 tclearregion(0, 0, term.col-1,
2176 if (set ^ alt) /* set is always 1 or 0 */
2182 tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
2184 case 2004: /* 2004: bracketed paste mode */
2185 MODBIT(term.mode, set, MODE_BRCKTPASTE);
2187 /* Not implemented mouse modes. See comments there. */
2188 case 1001: /* mouse highlight mode; can hang the
2189 terminal by design when implemented. */
2190 case 1005: /* UTF-8 mouse mode; will confuse
2191 applications not supporting UTF-8
2193 case 1015: /* urxvt mangled mouse mode; incompatible
2194 and can be mistaken for other control
2198 "erresc: unknown private set/reset mode %d\n",
2204 case 0: /* Error (IGNORED) */
2206 case 2: /* KAM -- keyboard action */
2207 MODBIT(term.mode, set, MODE_KBDLOCK);
2209 case 4: /* IRM -- Insertion-replacement */
2210 MODBIT(term.mode, set, MODE_INSERT);
2212 case 12: /* SRM -- Send/Receive */
2213 MODBIT(term.mode, !set, MODE_ECHO);
2215 case 20: /* LNM -- Linefeed/new line */
2216 MODBIT(term.mode, set, MODE_CRLF);
2220 "erresc: unknown set/reset mode %d\n",
2234 switch (csiescseq.mode[0]) {
2237 fprintf(stderr, "erresc: unknown csi ");
2241 case '@': /* ICH -- Insert <n> blank char */
2242 DEFAULT(csiescseq.arg[0], 1);
2243 tinsertblank(csiescseq.arg[0]);
2245 case 'A': /* CUU -- Cursor <n> Up */
2246 DEFAULT(csiescseq.arg[0], 1);
2247 tmoveto(term.c.x, term.c.y-csiescseq.arg[0]);
2249 case 'B': /* CUD -- Cursor <n> Down */
2250 case 'e': /* VPR --Cursor <n> Down */
2251 DEFAULT(csiescseq.arg[0], 1);
2252 tmoveto(term.c.x, term.c.y+csiescseq.arg[0]);
2254 case 'i': /* MC -- Media Copy */
2255 switch (csiescseq.arg[0]) {
2260 tdumpline(term.c.y);
2266 term.mode &= ~MODE_PRINT;
2269 term.mode |= MODE_PRINT;
2273 case 'c': /* DA -- Device Attributes */
2274 if (csiescseq.arg[0] == 0)
2275 ttywrite(vtiden, sizeof(vtiden) - 1);
2277 case 'C': /* CUF -- Cursor <n> Forward */
2278 case 'a': /* HPR -- Cursor <n> Forward */
2279 DEFAULT(csiescseq.arg[0], 1);
2280 tmoveto(term.c.x+csiescseq.arg[0], term.c.y);
2282 case 'D': /* CUB -- Cursor <n> Backward */
2283 DEFAULT(csiescseq.arg[0], 1);
2284 tmoveto(term.c.x-csiescseq.arg[0], term.c.y);
2286 case 'E': /* CNL -- Cursor <n> Down and first col */
2287 DEFAULT(csiescseq.arg[0], 1);
2288 tmoveto(0, term.c.y+csiescseq.arg[0]);
2290 case 'F': /* CPL -- Cursor <n> Up and first col */
2291 DEFAULT(csiescseq.arg[0], 1);
2292 tmoveto(0, term.c.y-csiescseq.arg[0]);
2294 case 'g': /* TBC -- Tabulation clear */
2295 switch (csiescseq.arg[0]) {
2296 case 0: /* clear current tab stop */
2297 term.tabs[term.c.x] = 0;
2299 case 3: /* clear all the tabs */
2300 memset(term.tabs, 0, term.col * sizeof(*term.tabs));
2306 case 'G': /* CHA -- Move to <col> */
2308 DEFAULT(csiescseq.arg[0], 1);
2309 tmoveto(csiescseq.arg[0]-1, term.c.y);
2311 case 'H': /* CUP -- Move to <row> <col> */
2313 DEFAULT(csiescseq.arg[0], 1);
2314 DEFAULT(csiescseq.arg[1], 1);
2315 tmoveato(csiescseq.arg[1]-1, csiescseq.arg[0]-1);
2317 case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
2318 DEFAULT(csiescseq.arg[0], 1);
2319 tputtab(csiescseq.arg[0]);
2321 case 'J': /* ED -- Clear screen */
2323 switch (csiescseq.arg[0]) {
2325 tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
2326 if (term.c.y < term.row-1) {
2327 tclearregion(0, term.c.y+1, term.col-1,
2333 tclearregion(0, 0, term.col-1, term.c.y-1);
2334 tclearregion(0, term.c.y, term.c.x, term.c.y);
2337 tclearregion(0, 0, term.col-1, term.row-1);
2343 case 'K': /* EL -- Clear line */
2344 switch (csiescseq.arg[0]) {
2346 tclearregion(term.c.x, term.c.y, term.col-1,
2350 tclearregion(0, term.c.y, term.c.x, term.c.y);
2353 tclearregion(0, term.c.y, term.col-1, term.c.y);
2357 case 'S': /* SU -- Scroll <n> line up */
2358 DEFAULT(csiescseq.arg[0], 1);
2359 tscrollup(term.top, csiescseq.arg[0]);
2361 case 'T': /* SD -- Scroll <n> line down */
2362 DEFAULT(csiescseq.arg[0], 1);
2363 tscrolldown(term.top, csiescseq.arg[0]);
2365 case 'L': /* IL -- Insert <n> blank lines */
2366 DEFAULT(csiescseq.arg[0], 1);
2367 tinsertblankline(csiescseq.arg[0]);
2369 case 'l': /* RM -- Reset Mode */
2370 tsetmode(csiescseq.priv, 0, csiescseq.arg, csiescseq.narg);
2372 case 'M': /* DL -- Delete <n> lines */
2373 DEFAULT(csiescseq.arg[0], 1);
2374 tdeleteline(csiescseq.arg[0]);
2376 case 'X': /* ECH -- Erase <n> char */
2377 DEFAULT(csiescseq.arg[0], 1);
2378 tclearregion(term.c.x, term.c.y,
2379 term.c.x + csiescseq.arg[0] - 1, term.c.y);
2381 case 'P': /* DCH -- Delete <n> char */
2382 DEFAULT(csiescseq.arg[0], 1);
2383 tdeletechar(csiescseq.arg[0]);
2385 case 'Z': /* CBT -- Cursor Backward Tabulation <n> tab stops */
2386 DEFAULT(csiescseq.arg[0], 1);
2387 tputtab(-csiescseq.arg[0]);
2389 case 'd': /* VPA -- Move to <row> */
2390 DEFAULT(csiescseq.arg[0], 1);
2391 tmoveato(term.c.x, csiescseq.arg[0]-1);
2393 case 'h': /* SM -- Set terminal mode */
2394 tsetmode(csiescseq.priv, 1, csiescseq.arg, csiescseq.narg);
2396 case 'm': /* SGR -- Terminal attribute (color) */
2397 tsetattr(csiescseq.arg, csiescseq.narg);
2399 case 'n': /* DSR – Device Status Report (cursor position) */
2400 if (csiescseq.arg[0] == 6) {
2401 len = snprintf(buf, sizeof(buf),"\033[%i;%iR",
2402 term.c.y+1, term.c.x+1);
2406 case 'r': /* DECSTBM -- Set Scrolling Region */
2407 if (csiescseq.priv) {
2410 DEFAULT(csiescseq.arg[0], 1);
2411 DEFAULT(csiescseq.arg[1], term.row);
2412 tsetscroll(csiescseq.arg[0]-1, csiescseq.arg[1]-1);
2416 case 's': /* DECSC -- Save cursor position (ANSI.SYS) */
2417 tcursor(CURSOR_SAVE);
2419 case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */
2420 tcursor(CURSOR_LOAD);
2423 switch (csiescseq.mode[1]) {
2424 case 'q': /* DECSCUSR -- Set Cursor Style */
2425 DEFAULT(csiescseq.arg[0], 1);
2426 if (!BETWEEN(csiescseq.arg[0], 0, 6)) {
2429 xw.cursor = csiescseq.arg[0];
2445 for (i = 0; i < csiescseq.len; i++) {
2446 c = csiescseq.buf[i] & 0xff;
2449 } else if (c == '\n') {
2451 } else if (c == '\r') {
2453 } else if (c == 0x1b) {
2456 printf("(%02x)", c);
2465 memset(&csiescseq, 0, sizeof(csiescseq));
2474 term.esc &= ~(ESC_STR_END|ESC_STR);
2476 par = (narg = strescseq.narg) ? atoi(strescseq.args[0]) : 0;
2478 switch (strescseq.type) {
2479 case ']': /* OSC -- Operating System Command */
2485 xsettitle(strescseq.args[1]);
2487 case 4: /* color set */
2490 p = strescseq.args[2];
2492 case 104: /* color reset, here p = NULL */
2493 j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
2494 if (xsetcolorname(j, p)) {
2495 fprintf(stderr, "erresc: invalid color %s\n", p);
2498 * TODO if defaultbg color is changed, borders
2506 case 'k': /* old title set compatibility */
2507 xsettitle(strescseq.args[0]);
2509 case 'P': /* DCS -- Device Control String */
2510 case '_': /* APC -- Application Program Command */
2511 case '^': /* PM -- Privacy Message */
2515 fprintf(stderr, "erresc: unknown str ");
2523 char *p = strescseq.buf;
2526 strescseq.buf[strescseq.len] = '\0';
2531 while (strescseq.narg < STR_ARG_SIZ) {
2532 strescseq.args[strescseq.narg++] = p;
2533 while ((c = *p) != ';' && c != '\0')
2547 printf("ESC%c", strescseq.type);
2548 for (i = 0; i < strescseq.len; i++) {
2549 c = strescseq.buf[i] & 0xff;
2552 } else if (isprint(c)) {
2554 } else if (c == '\n') {
2556 } else if (c == '\r') {
2558 } else if (c == 0x1b) {
2561 printf("(%02x)", c);
2570 memset(&strescseq, 0, sizeof(strescseq));
2574 tprinter(char *s, size_t len)
2576 if (iofd != -1 && xwrite(iofd, s, len) < 0) {
2577 fprintf(stderr, "Error writing in %s:%s\n",
2578 opt_io, strerror(errno));
2585 toggleprinter(const Arg *arg)
2587 term.mode ^= MODE_PRINT;
2591 printscreen(const Arg *arg)
2597 printsel(const Arg *arg)
2607 if ((ptr = getsel())) {
2608 tprinter(ptr, strlen(ptr));
2619 bp = &term.line[n][0];
2620 end = &bp[MIN(tlinelen(n), term.col) - 1];
2621 if (bp != end || bp->u != ' ') {
2622 for ( ;bp <= end; ++bp)
2623 tprinter(buf, utf8encode(bp->u, buf));
2633 for (i = 0; i < term.row; ++i)
2643 while (x < term.col && n--)
2644 for (++x; x < term.col && !term.tabs[x]; ++x)
2647 while (x > 0 && n++)
2648 for (--x; x > 0 && !term.tabs[x]; --x)
2651 term.c.x = LIMIT(x, 0, term.col-1);
2657 if (ISCONTROL(u)) { /* control code */
2662 } else if (u != '\n' && u != '\r' && u != '\t') {
2671 tdeftran(char ascii)
2673 static char cs[] = "0B";
2674 static int vcs[] = {CS_GRAPHIC0, CS_USA};
2677 if ((p = strchr(cs, ascii)) == NULL) {
2678 fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
2680 term.trantbl[term.icharset] = vcs[p - cs];
2689 if (c == '8') { /* DEC screen alignment test. */
2690 for (x = 0; x < term.col; ++x) {
2691 for (y = 0; y < term.row; ++y)
2692 tsetchar('E', &term.c.attr, x, y);
2698 tstrsequence(uchar c)
2701 case 0x90: /* DCS -- Device Control String */
2704 case 0x9f: /* APC -- Application Program Command */
2707 case 0x9e: /* PM -- Privacy Message */
2710 case 0x9d: /* OSC -- Operating System Command */
2716 term.esc |= ESC_STR;
2720 tcontrolcode(uchar ascii)
2727 tmoveto(term.c.x-1, term.c.y);
2730 tmoveto(0, term.c.y);
2735 /* go to first col if the mode is set */
2736 tnewline(IS_SET(MODE_CRLF));
2738 case '\a': /* BEL */
2739 if (term.esc & ESC_STR_END) {
2740 /* backwards compatibility to xterm */
2743 if (!(xw.state & WIN_FOCUSED))
2746 XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL);
2749 case '\033': /* ESC */
2751 term.esc &= ~(ESC_CSI|ESC_ALTCHARSET|ESC_TEST);
2752 term.esc |= ESC_START;
2754 case '\016': /* SO (LS1 -- Locking shift 1) */
2755 case '\017': /* SI (LS0 -- Locking shift 0) */
2756 term.charset = 1 - (ascii - '\016');
2758 case '\032': /* SUB */
2759 tsetchar('?', &term.c.attr, term.c.x, term.c.y);
2760 case '\030': /* CAN */
2763 case '\005': /* ENQ (IGNORED) */
2764 case '\000': /* NUL (IGNORED) */
2765 case '\021': /* XON (IGNORED) */
2766 case '\023': /* XOFF (IGNORED) */
2767 case 0177: /* DEL (IGNORED) */
2769 case 0x84: /* TODO: IND */
2771 case 0x85: /* NEL -- Next line */
2772 tnewline(1); /* always go to first col */
2774 case 0x88: /* HTS -- Horizontal tab stop */
2775 term.tabs[term.c.x] = 1;
2777 case 0x8d: /* TODO: RI */
2778 case 0x8e: /* TODO: SS2 */
2779 case 0x8f: /* TODO: SS3 */
2780 case 0x98: /* TODO: SOS */
2782 case 0x9a: /* DECID -- Identify Terminal */
2783 ttywrite(vtiden, sizeof(vtiden) - 1);
2785 case 0x9b: /* TODO: CSI */
2786 case 0x9c: /* TODO: ST */
2788 case 0x90: /* DCS -- Device Control String */
2789 case 0x9f: /* APC -- Application Program Command */
2790 case 0x9e: /* PM -- Privacy Message */
2791 case 0x9d: /* OSC -- Operating System Command */
2792 tstrsequence(ascii);
2795 /* only CAN, SUB, \a and C1 chars interrupt a sequence */
2796 term.esc &= ~(ESC_STR_END|ESC_STR);
2800 * returns 1 when the sequence is finished and it hasn't to read
2801 * more characters for this sequence, otherwise 0
2804 eschandle(uchar ascii)
2808 term.esc |= ESC_CSI;
2811 term.esc |= ESC_TEST;
2813 case 'P': /* DCS -- Device Control String */
2814 case '_': /* APC -- Application Program Command */
2815 case '^': /* PM -- Privacy Message */
2816 case ']': /* OSC -- Operating System Command */
2817 case 'k': /* old title set compatibility */
2818 tstrsequence(ascii);
2820 case 'n': /* LS2 -- Locking shift 2 */
2821 case 'o': /* LS3 -- Locking shift 3 */
2822 term.charset = 2 + (ascii - 'n');
2824 case '(': /* GZD4 -- set primary charset G0 */
2825 case ')': /* G1D4 -- set secondary charset G1 */
2826 case '*': /* G2D4 -- set tertiary charset G2 */
2827 case '+': /* G3D4 -- set quaternary charset G3 */
2828 term.icharset = ascii - '(';
2829 term.esc |= ESC_ALTCHARSET;
2831 case 'D': /* IND -- Linefeed */
2832 if (term.c.y == term.bot) {
2833 tscrollup(term.top, 1);
2835 tmoveto(term.c.x, term.c.y+1);
2838 case 'E': /* NEL -- Next line */
2839 tnewline(1); /* always go to first col */
2841 case 'H': /* HTS -- Horizontal tab stop */
2842 term.tabs[term.c.x] = 1;
2844 case 'M': /* RI -- Reverse index */
2845 if (term.c.y == term.top) {
2846 tscrolldown(term.top, 1);
2848 tmoveto(term.c.x, term.c.y-1);
2851 case 'Z': /* DECID -- Identify Terminal */
2852 ttywrite(vtiden, sizeof(vtiden) - 1);
2854 case 'c': /* RIS -- Reset to inital state */
2859 case '=': /* DECPAM -- Application keypad */
2860 term.mode |= MODE_APPKEYPAD;
2862 case '>': /* DECPNM -- Normal keypad */
2863 term.mode &= ~MODE_APPKEYPAD;
2865 case '7': /* DECSC -- Save Cursor */
2866 tcursor(CURSOR_SAVE);
2868 case '8': /* DECRC -- Restore Cursor */
2869 tcursor(CURSOR_LOAD);
2871 case '\\': /* ST -- String Terminator */
2872 if (term.esc & ESC_STR_END)
2876 fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n",
2877 (uchar) ascii, isprint(ascii)? ascii:'.');
2891 len = utf8encode(u, c);
2892 if ((width = wcwidth(u)) == -1) {
2893 memcpy(c, "\357\277\275", 4); /* UTF_INVALID */
2897 if (IS_SET(MODE_PRINT))
2899 control = ISCONTROL(u);
2902 * STR sequence must be checked before anything else
2903 * because it uses all following characters until it
2904 * receives a ESC, a SUB, a ST or any other C1 control
2907 if (term.esc & ESC_STR) {
2908 if (u == '\a' || u == 030 || u == 032 || u == 033 ||
2910 term.esc &= ~(ESC_START|ESC_STR);
2911 term.esc |= ESC_STR_END;
2912 } else if (strescseq.len + len < sizeof(strescseq.buf) - 1) {
2913 memmove(&strescseq.buf[strescseq.len], c, len);
2914 strescseq.len += len;
2918 * Here is a bug in terminals. If the user never sends
2919 * some code to stop the str or esc command, then st
2920 * will stop responding. But this is better than
2921 * silently failing with unknown characters. At least
2922 * then users will report back.
2924 * In the case users ever get fixed, here is the code:
2935 * Actions of control codes must be performed as soon they arrive
2936 * because they can be embedded inside a control sequence, and
2937 * they must not cause conflicts with sequences.
2942 * control codes are not shown ever
2945 } else if (term.esc & ESC_START) {
2946 if (term.esc & ESC_CSI) {
2947 csiescseq.buf[csiescseq.len++] = u;
2948 if (BETWEEN(u, 0x40, 0x7E)
2949 || csiescseq.len >= \
2950 sizeof(csiescseq.buf)-1) {
2956 } else if (term.esc & ESC_ALTCHARSET) {
2958 } else if (term.esc & ESC_TEST) {
2963 /* sequence already finished */
2967 * All characters which form part of a sequence are not
2972 if (sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
2975 gp = &term.line[term.c.y][term.c.x];
2976 if (IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
2977 gp->mode |= ATTR_WRAP;
2979 gp = &term.line[term.c.y][term.c.x];
2982 if (IS_SET(MODE_INSERT) && term.c.x+width < term.col)
2983 memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph));
2985 if (term.c.x+width > term.col) {
2987 gp = &term.line[term.c.y][term.c.x];
2990 tsetchar(u, &term.c.attr, term.c.x, term.c.y);
2993 gp->mode |= ATTR_WIDE;
2994 if (term.c.x+1 < term.col) {
2996 gp[1].mode = ATTR_WDUMMY;
2999 if (term.c.x+width < term.col) {
3000 tmoveto(term.c.x+width, term.c.y);
3002 term.c.state |= CURSOR_WRAPNEXT;
3007 tresize(int col, int row)
3010 int minrow = MIN(row, term.row);
3011 int mincol = MIN(col, term.col);
3015 if (col < 1 || row < 1) {
3017 "tresize: error resizing to %dx%d\n", col, row);
3022 * slide screen to keep cursor where we expect it -
3023 * tscrollup would work here, but we can optimize to
3024 * memmove because we're freeing the earlier lines
3026 for (i = 0; i <= term.c.y - row; i++) {
3030 /* ensure that both src and dst are not NULL */
3032 memmove(term.line, term.line + i, row * sizeof(Line));
3033 memmove(term.alt, term.alt + i, row * sizeof(Line));
3035 for (i += row; i < term.row; i++) {
3040 /* resize to new width */
3041 term.specbuf = xrealloc(term.specbuf, col * sizeof(XftGlyphFontSpec));
3043 /* resize to new height */
3044 term.line = xrealloc(term.line, row * sizeof(Line));
3045 term.alt = xrealloc(term.alt, row * sizeof(Line));
3046 term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
3047 term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
3049 /* resize each row to new width, zero-pad if needed */
3050 for (i = 0; i < minrow; i++) {
3051 term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
3052 term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph));
3055 /* allocate any new rows */
3056 for (/* i == minrow */; i < row; i++) {
3057 term.line[i] = xmalloc(col * sizeof(Glyph));
3058 term.alt[i] = xmalloc(col * sizeof(Glyph));
3060 if (col > term.col) {
3061 bp = term.tabs + term.col;
3063 memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
3064 while (--bp > term.tabs && !*bp)
3066 for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
3069 /* update terminal size */
3072 /* reset scrolling region */
3073 tsetscroll(0, row-1);
3074 /* make use of the LIMIT in tmoveto */
3075 tmoveto(term.c.x, term.c.y);
3076 /* Clearing both screens (it makes dirty all lines) */
3078 for (i = 0; i < 2; i++) {
3079 if (mincol < col && 0 < minrow) {
3080 tclearregion(mincol, 0, col - 1, minrow - 1);
3082 if (0 < col && minrow < row) {
3083 tclearregion(0, minrow, col - 1, row - 1);
3086 tcursor(CURSOR_LOAD);
3092 xresize(int col, int row)
3094 xw.tw = MAX(1, col * xw.cw);
3095 xw.th = MAX(1, row * xw.ch);
3097 XFreePixmap(xw.dpy, xw.buf);
3098 xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
3099 DefaultDepth(xw.dpy, xw.scr));
3100 XftDrawChange(xw.draw, xw.buf);
3101 xclear(0, 0, xw.w, xw.h);
3105 sixd_to_16bit(int x)
3107 return x == 0 ? 0 : 0x3737 + 0x2828 * x;
3111 xloadcolor(int i, const char *name, Color *ncolor)
3113 XRenderColor color = { .alpha = 0xffff };
3116 if (BETWEEN(i, 16, 255)) { /* 256 color */
3117 if (i < 6*6*6+16) { /* same colors as xterm */
3118 color.red = sixd_to_16bit( ((i-16)/36)%6 );
3119 color.green = sixd_to_16bit( ((i-16)/6) %6 );
3120 color.blue = sixd_to_16bit( ((i-16)/1) %6 );
3121 } else { /* greyscale */
3122 color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16));
3123 color.green = color.blue = color.red;
3125 return XftColorAllocValue(xw.dpy, xw.vis,
3126 xw.cmap, &color, ncolor);
3128 name = colorname[i];
3130 return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
3141 for (cp = dc.col; cp < &dc.col[LEN(dc.col)]; ++cp)
3142 XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
3145 for (i = 0; i < LEN(dc.col); i++)
3146 if (!xloadcolor(i, NULL, &dc.col[i])) {
3148 die("Could not allocate color '%s'\n", colorname[i]);
3150 die("Could not allocate color %d\n", i);
3156 xsetcolorname(int x, const char *name)
3160 if (!BETWEEN(x, 0, LEN(dc.col)))
3164 if (!xloadcolor(x, name, &ncolor))
3167 XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
3173 xtermclear(int col1, int row1, int col2, int row2)
3175 XftDrawRect(xw.draw,
3176 &dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
3177 borderpx + col1 * xw.cw,
3178 borderpx + row1 * xw.ch,
3179 (col2-col1+1) * xw.cw,
3180 (row2-row1+1) * xw.ch);
3184 * Absolute coordinates.
3187 xclear(int x1, int y1, int x2, int y2)
3189 XftDrawRect(xw.draw,
3190 &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
3191 x1, y1, x2-x1, y2-y1);
3197 XClassHint class = {opt_class ? opt_class : termname, termname};
3198 XWMHints wm = {.flags = InputHint, .input = 1};
3199 XSizeHints *sizeh = NULL;
3201 sizeh = XAllocSizeHints();
3203 sizeh->flags = PSize | PResizeInc | PBaseSize;
3204 sizeh->height = xw.h;
3205 sizeh->width = xw.w;
3206 sizeh->height_inc = xw.ch;
3207 sizeh->width_inc = xw.cw;
3208 sizeh->base_height = 2 * borderpx;
3209 sizeh->base_width = 2 * borderpx;
3211 sizeh->flags |= PMaxSize | PMinSize;
3212 sizeh->min_width = sizeh->max_width = xw.w;
3213 sizeh->min_height = sizeh->max_height = xw.h;
3215 if (xw.gm & (XValue|YValue)) {
3216 sizeh->flags |= USPosition | PWinGravity;
3219 sizeh->win_gravity = xgeommasktogravity(xw.gm);
3222 XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm,
3228 xgeommasktogravity(int mask)
3230 switch (mask & (XNegative|YNegative)) {
3232 return NorthWestGravity;
3234 return NorthEastGravity;
3236 return SouthWestGravity;
3238 return SouthEastGravity;
3242 xloadfont(Font *f, FcPattern *pattern)
3247 match = FcFontMatch(NULL, pattern, &result);
3251 if (!(f->match = XftFontOpenPattern(xw.dpy, match))) {
3252 FcPatternDestroy(match);
3257 f->pattern = FcPatternDuplicate(pattern);
3259 f->ascent = f->match->ascent;
3260 f->descent = f->match->descent;
3262 f->rbearing = f->match->max_advance_width;
3264 f->height = f->ascent + f->descent;
3265 f->width = f->lbearing + f->rbearing;
3271 xloadfonts(char *fontstr, double fontsize)
3277 if (fontstr[0] == '-') {
3278 pattern = XftXlfdParse(fontstr, False, False);
3280 pattern = FcNameParse((FcChar8 *)fontstr);
3284 die("st: can't open font %s\n", fontstr);
3287 FcPatternDel(pattern, FC_PIXEL_SIZE);
3288 FcPatternDel(pattern, FC_SIZE);
3289 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
3290 usedfontsize = fontsize;
3292 if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
3294 usedfontsize = fontval;
3295 } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) ==
3300 * Default font size is 12, if none given. This is to
3301 * have a known usedfontsize value.
3303 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
3306 defaultfontsize = usedfontsize;
3309 FcConfigSubstitute(0, pattern, FcMatchPattern);
3310 FcDefaultSubstitute(pattern);
3312 if (xloadfont(&dc.font, pattern))
3313 die("st: can't open font %s\n", fontstr);
3315 if (usedfontsize < 0) {
3316 FcPatternGetDouble(dc.font.match->pattern,
3317 FC_PIXEL_SIZE, 0, &fontval);
3318 usedfontsize = fontval;
3320 defaultfontsize = fontval;
3323 /* Setting character width and height. */
3324 xw.cw = ceilf(dc.font.width * cwscale);
3325 xw.ch = ceilf(dc.font.height * chscale);
3327 FcPatternDel(pattern, FC_SLANT);
3328 FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
3329 if (xloadfont(&dc.ifont, pattern))
3330 die("st: can't open font %s\n", fontstr);
3332 FcPatternDel(pattern, FC_WEIGHT);
3333 FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
3334 if (xloadfont(&dc.ibfont, pattern))
3335 die("st: can't open font %s\n", fontstr);
3337 FcPatternDel(pattern, FC_SLANT);
3338 FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
3339 if (xloadfont(&dc.bfont, pattern))
3340 die("st: can't open font %s\n", fontstr);
3342 FcPatternDestroy(pattern);
3346 xunloadfont(Font *f)
3348 XftFontClose(xw.dpy, f->match);
3349 FcPatternDestroy(f->pattern);
3351 FcFontSetDestroy(f->set);
3357 /* Free the loaded fonts in the font cache. */
3359 XftFontClose(xw.dpy, frc[--frclen].font);
3361 xunloadfont(&dc.font);
3362 xunloadfont(&dc.bfont);
3363 xunloadfont(&dc.ifont);
3364 xunloadfont(&dc.ibfont);
3368 xzoom(const Arg *arg)
3372 larg.f = usedfontsize + arg->f;
3377 xzoomabs(const Arg *arg)
3380 xloadfonts(usedfont, arg->f);
3387 xzoomreset(const Arg *arg)
3391 if (defaultfontsize > 0) {
3392 larg.f = defaultfontsize;
3403 pid_t thispid = getpid();
3405 if (!(xw.dpy = XOpenDisplay(NULL)))
3406 die("Can't open display\n");
3407 xw.scr = XDefaultScreen(xw.dpy);
3408 xw.vis = XDefaultVisual(xw.dpy, xw.scr);
3412 die("Could not init fontconfig.\n");
3414 usedfont = (opt_font == NULL)? font : opt_font;
3415 xloadfonts(usedfont, 0);
3418 xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
3421 /* adjust fixed window geometry */
3422 xw.w = 2 * borderpx + term.col * xw.cw;
3423 xw.h = 2 * borderpx + term.row * xw.ch;
3424 if (xw.gm & XNegative)
3425 xw.l += DisplayWidth(xw.dpy, xw.scr) - xw.w - 2;
3426 if (xw.gm & YNegative)
3427 xw.t += DisplayWidth(xw.dpy, xw.scr) - xw.h - 2;
3430 xw.attrs.background_pixel = dc.col[defaultbg].pixel;
3431 xw.attrs.border_pixel = dc.col[defaultbg].pixel;
3432 xw.attrs.bit_gravity = NorthWestGravity;
3433 xw.attrs.event_mask = FocusChangeMask | KeyPressMask
3434 | ExposureMask | VisibilityChangeMask | StructureNotifyMask
3435 | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
3436 xw.attrs.colormap = xw.cmap;
3438 if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
3439 parent = XRootWindow(xw.dpy, xw.scr);
3440 xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
3441 xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
3442 xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
3443 | CWEventMask | CWColormap, &xw.attrs);
3445 memset(&gcvalues, 0, sizeof(gcvalues));
3446 gcvalues.graphics_exposures = False;
3447 dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
3449 xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
3450 DefaultDepth(xw.dpy, xw.scr));
3451 XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
3452 XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
3454 /* Xft rendering context */
3455 xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
3458 if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
3459 XSetLocaleModifiers("@im=local");
3460 if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
3461 XSetLocaleModifiers("@im=");
3462 if ((xw.xim = XOpenIM(xw.dpy,
3463 NULL, NULL, NULL)) == NULL) {
3464 die("XOpenIM failed. Could not open input"
3469 xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
3470 | XIMStatusNothing, XNClientWindow, xw.win,
3471 XNFocusWindow, xw.win, NULL);
3473 die("XCreateIC failed. Could not obtain input method.\n");
3475 /* white cursor, black outline */
3476 cursor = XCreateFontCursor(xw.dpy, XC_xterm);
3477 XDefineCursor(xw.dpy, xw.win, cursor);
3478 XRecolorCursor(xw.dpy, cursor,
3479 &(XColor){.red = 0xffff, .green = 0xffff, .blue = 0xffff},
3480 &(XColor){.red = 0x0000, .green = 0x0000, .blue = 0x0000});
3482 xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
3483 xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
3484 xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
3485 XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
3487 xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
3488 XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
3489 PropModeReplace, (uchar *)&thispid, 1);
3492 XMapWindow(xw.dpy, xw.win);
3494 XSync(xw.dpy, False);
3498 xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
3500 float winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch, xp, yp;
3501 ushort mode, prevmode = USHRT_MAX;
3502 Font *font = &dc.font;
3503 int frcflags = FRC_NORMAL;
3504 float runewidth = xw.cw;
3508 FcPattern *fcpattern, *fontpattern;
3509 FcFontSet *fcsets[] = { NULL };
3510 FcCharSet *fccharset;
3511 int i, f, numspecs = 0;
3513 for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) {
3514 /* Fetch rune and mode for current glyph. */
3516 mode = glyphs[i].mode;
3518 /* Skip dummy wide-character spacing. */
3519 if (mode == ATTR_WDUMMY)
3522 /* Determine font for glyph if different from previous glyph. */
3523 if (prevmode != mode) {
3526 frcflags = FRC_NORMAL;
3527 runewidth = xw.cw * ((mode & ATTR_WIDE) ? 2.0f : 1.0f);
3528 if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
3530 frcflags = FRC_ITALICBOLD;
3531 } else if (mode & ATTR_ITALIC) {
3533 frcflags = FRC_ITALIC;
3534 } else if (mode & ATTR_BOLD) {
3536 frcflags = FRC_BOLD;
3538 yp = winy + font->ascent;
3541 /* Lookup character index with default font. */
3542 glyphidx = XftCharIndex(xw.dpy, font->match, rune);
3544 specs[numspecs].font = font->match;
3545 specs[numspecs].glyph = glyphidx;
3546 specs[numspecs].x = (short)xp;
3547 specs[numspecs].y = (short)yp;
3553 /* Fallback on font cache, search the font cache for match. */
3554 for (f = 0; f < frclen; f++) {
3555 glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
3556 /* Everything correct. */
3557 if (glyphidx && frc[f].flags == frcflags)
3559 /* We got a default font for a not found glyph. */
3560 if (!glyphidx && frc[f].flags == frcflags
3561 && frc[f].unicodep == rune) {
3566 /* Nothing was found. Use fontconfig to find matching font. */
3569 font->set = FcFontSort(0, font->pattern,
3571 fcsets[0] = font->set;
3574 * Nothing was found in the cache. Now use
3575 * some dozen of Fontconfig calls to get the
3576 * font for one single character.
3578 * Xft and fontconfig are design failures.
3580 fcpattern = FcPatternDuplicate(font->pattern);
3581 fccharset = FcCharSetCreate();
3583 FcCharSetAddChar(fccharset, rune);
3584 FcPatternAddCharSet(fcpattern, FC_CHARSET,
3586 FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
3588 FcConfigSubstitute(0, fcpattern,
3590 FcDefaultSubstitute(fcpattern);
3592 fontpattern = FcFontSetMatch(0, fcsets, 1,
3596 * Overwrite or create the new cache entry.
3598 if (frclen >= LEN(frc)) {
3599 frclen = LEN(frc) - 1;
3600 XftFontClose(xw.dpy, frc[frclen].font);
3601 frc[frclen].unicodep = 0;
3604 frc[frclen].font = XftFontOpenPattern(xw.dpy,
3606 frc[frclen].flags = frcflags;
3607 frc[frclen].unicodep = rune;
3609 glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
3614 FcPatternDestroy(fcpattern);
3615 FcCharSetDestroy(fccharset);
3618 specs[numspecs].font = frc[f].font;
3619 specs[numspecs].glyph = glyphidx;
3620 specs[numspecs].x = (short)xp;
3621 specs[numspecs].y = (short)(winy + frc[f].font->ascent);
3630 xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
3632 int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
3633 int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
3634 width = charlen * xw.cw;
3635 Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
3636 XRenderColor colfg, colbg;
3639 /* Determine foreground and background colors based on mode. */
3640 if (base.fg == defaultfg) {
3641 if (base.mode & ATTR_ITALIC)
3642 base.fg = defaultitalic;
3643 else if ((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD))
3644 base.fg = defaultitalic;
3645 else if (base.mode & ATTR_UNDERLINE)
3646 base.fg = defaultunderline;
3649 if (IS_TRUECOL(base.fg)) {
3650 colfg.alpha = 0xffff;
3651 colfg.red = TRUERED(base.fg);
3652 colfg.green = TRUEGREEN(base.fg);
3653 colfg.blue = TRUEBLUE(base.fg);
3654 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
3657 fg = &dc.col[base.fg];
3660 if (IS_TRUECOL(base.bg)) {
3661 colbg.alpha = 0xffff;
3662 colbg.green = TRUEGREEN(base.bg);
3663 colbg.red = TRUERED(base.bg);
3664 colbg.blue = TRUEBLUE(base.bg);
3665 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
3668 bg = &dc.col[base.bg];
3671 /* Change basic system colors [0-7] to bright system colors [8-15] */
3672 if ((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7))
3673 fg = &dc.col[base.fg + 8];
3675 if (IS_SET(MODE_REVERSE)) {
3676 if (fg == &dc.col[defaultfg]) {
3677 fg = &dc.col[defaultbg];
3679 colfg.red = ~fg->color.red;
3680 colfg.green = ~fg->color.green;
3681 colfg.blue = ~fg->color.blue;
3682 colfg.alpha = fg->color.alpha;
3683 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
3688 if (bg == &dc.col[defaultbg]) {
3689 bg = &dc.col[defaultfg];
3691 colbg.red = ~bg->color.red;
3692 colbg.green = ~bg->color.green;
3693 colbg.blue = ~bg->color.blue;
3694 colbg.alpha = bg->color.alpha;
3695 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
3701 if (base.mode & ATTR_REVERSE) {
3707 if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) {
3708 colfg.red = fg->color.red / 2;
3709 colfg.green = fg->color.green / 2;
3710 colfg.blue = fg->color.blue / 2;
3711 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
3715 if (base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
3718 if (base.mode & ATTR_INVISIBLE)
3721 /* Intelligent cleaning up of the borders. */
3723 xclear(0, (y == 0)? 0 : winy, borderpx,
3724 winy + xw.ch + ((y >= term.row-1)? xw.h : 0));
3726 if (x + charlen >= term.col) {
3727 xclear(winx + width, (y == 0)? 0 : winy, xw.w,
3728 ((y >= term.row-1)? xw.h : (winy + xw.ch)));
3731 xclear(winx, 0, winx + width, borderpx);
3732 if (y == term.row-1)
3733 xclear(winx, winy + xw.ch, winx + width, xw.h);
3735 /* Clean up the region we want to draw to. */
3736 XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
3738 /* Set the clip region because Xft is sometimes dirty. */
3743 XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
3745 /* Render the glyphs. */
3746 XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
3748 /* Render underline and strikethrough. */
3749 if (base.mode & ATTR_UNDERLINE) {
3750 XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1,
3754 if (base.mode & ATTR_STRUCK) {
3755 XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3,
3759 /* Reset clip to none. */
3760 XftDrawSetClip(xw.draw, 0);
3764 xdrawglyph(Glyph g, int x, int y)
3767 XftGlyphFontSpec spec;
3768 numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
3769 xdrawglyphfontspecs(&spec, g, numspecs, x, y);
3775 static int oldx = 0, oldy = 0;
3777 Glyph g = {' ', ATTR_NULL, defaultbg, defaultcs};
3779 LIMIT(oldx, 0, term.col-1);
3780 LIMIT(oldy, 0, term.row-1);
3784 /* adjust position if in dummy */
3785 if (term.line[oldy][oldx].mode & ATTR_WDUMMY)
3787 if (term.line[term.c.y][curx].mode & ATTR_WDUMMY)
3790 g.u = term.line[term.c.y][term.c.x].u;
3792 /* remove the old cursor */
3793 xdrawglyph(term.line[oldy][oldx], oldx, oldy);
3795 if (IS_SET(MODE_HIDE))
3798 /* draw the new one */
3799 if (xw.state & WIN_FOCUSED) {
3800 switch (xw.cursor) {
3801 case 0: /* Blinking Block */
3802 case 1: /* Blinking Block (Default) */
3803 case 2: /* Steady Block */
3804 if (IS_SET(MODE_REVERSE)) {
3805 g.mode |= ATTR_REVERSE;
3810 g.mode |= term.line[term.c.y][curx].mode & ATTR_WIDE;
3811 xdrawglyph(g, term.c.x, term.c.y);
3813 case 3: /* Blinking Underline */
3814 case 4: /* Steady Underline */
3815 XftDrawRect(xw.draw, &dc.col[defaultcs],
3816 borderpx + curx * xw.cw,
3817 borderpx + (term.c.y + 1) * xw.ch - cursorthickness,
3818 xw.cw, cursorthickness);
3820 case 5: /* Blinking bar */
3821 case 6: /* Steady bar */
3822 XftDrawRect(xw.draw, &dc.col[defaultcs],
3823 borderpx + curx * xw.cw,
3824 borderpx + term.c.y * xw.ch,
3825 cursorthickness, xw.ch);
3829 XftDrawRect(xw.draw, &dc.col[defaultcs],
3830 borderpx + curx * xw.cw,
3831 borderpx + term.c.y * xw.ch,
3833 XftDrawRect(xw.draw, &dc.col[defaultcs],
3834 borderpx + curx * xw.cw,
3835 borderpx + term.c.y * xw.ch,
3837 XftDrawRect(xw.draw, &dc.col[defaultcs],
3838 borderpx + (curx + 1) * xw.cw - 1,
3839 borderpx + term.c.y * xw.ch,
3841 XftDrawRect(xw.draw, &dc.col[defaultcs],
3842 borderpx + curx * xw.cw,
3843 borderpx + (term.c.y + 1) * xw.ch - 1,
3846 oldx = curx, oldy = term.c.y;
3855 Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
3857 XSetWMName(xw.dpy, xw.win, &prop);
3858 XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
3865 xsettitle(opt_title ? opt_title : "st");
3878 drawregion(0, 0, term.col, term.row);
3879 XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.w,
3881 XSetForeground(xw.dpy, dc.gc,
3882 dc.col[IS_SET(MODE_REVERSE)?
3883 defaultfg : defaultbg].pixel);
3887 drawregion(int x1, int y1, int x2, int y2)
3889 int i, x, y, ox, numspecs;
3891 XftGlyphFontSpec* specs;
3892 int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
3894 if (!(xw.state & WIN_VISIBLE))
3897 for (y = y1; y < y2; y++) {
3901 xtermclear(0, y, term.col, y);
3904 specs = term.specbuf;
3905 numspecs = xmakeglyphfontspecs(specs, &term.line[y][x1], x2 - x1, x1, y);
3908 for (x = x1; x < x2 && i < numspecs; x++) {
3909 new = term.line[y][x];
3910 if (new.mode == ATTR_WDUMMY)
3912 if (ena_sel && selected(x, y))
3913 new.mode ^= ATTR_REVERSE;
3914 if (i > 0 && ATTRCMP(base, new)) {
3915 xdrawglyphfontspecs(specs, base, i, ox, y);
3927 xdrawglyphfontspecs(specs, base, i, ox, y);
3939 visibility(XEvent *ev)
3941 XVisibilityEvent *e = &ev->xvisibility;
3943 MODBIT(xw.state, e->state != VisibilityFullyObscured, WIN_VISIBLE);
3949 xw.state &= ~WIN_VISIBLE;
3953 xsetpointermotion(int set)
3955 MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
3956 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
3960 xseturgency(int add)
3962 XWMHints *h = XGetWMHints(xw.dpy, xw.win);
3964 MODBIT(h->flags, add, XUrgencyHint);
3965 XSetWMHints(xw.dpy, xw.win, h);
3972 XFocusChangeEvent *e = &ev->xfocus;
3974 if (e->mode == NotifyGrab)
3977 if (ev->type == FocusIn) {
3978 XSetICFocus(xw.xic);
3979 xw.state |= WIN_FOCUSED;
3981 if (IS_SET(MODE_FOCUS))
3982 ttywrite("\033[I", 3);
3984 XUnsetICFocus(xw.xic);
3985 xw.state &= ~WIN_FOCUSED;
3986 if (IS_SET(MODE_FOCUS))
3987 ttywrite("\033[O", 3);
3992 match(uint mask, uint state)
3994 return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
3998 numlock(const Arg *dummy)
4004 kmap(KeySym k, uint state)
4009 /* Check for mapped keys out of X11 function keys. */
4010 for (i = 0; i < LEN(mappedkeys); i++) {
4011 if (mappedkeys[i] == k)
4014 if (i == LEN(mappedkeys)) {
4015 if ((k & 0xFFFF) < 0xFD00)
4019 for (kp = key; kp < key + LEN(key); kp++) {
4023 if (!match(kp->mask, state))
4026 if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
4028 if (term.numlock && kp->appkey == 2)
4031 if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
4034 if (IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0)
4046 XKeyEvent *e = &ev->xkey;
4048 char buf[32], *customkey;
4054 if (IS_SET(MODE_KBDLOCK))
4057 len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);
4059 for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
4060 if (ksym == bp->keysym && match(bp->mod, e->state)) {
4061 bp->func(&(bp->arg));
4066 /* 2. custom keys from config.h */
4067 if ((customkey = kmap(ksym, e->state))) {
4068 ttysend(customkey, strlen(customkey));
4072 /* 3. composed string from input method */
4075 if (len == 1 && e->state & Mod1Mask) {
4076 if (IS_SET(MODE_8BIT)) {
4079 len = utf8encode(c, buf);
4096 * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
4098 if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
4099 if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
4100 xw.state |= WIN_FOCUSED;
4102 } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
4103 xw.state &= ~WIN_FOCUSED;
4105 } else if (e->xclient.data.l[0] == xw.wmdeletewin) {
4106 /* Send SIGHUP to shell */
4113 cresize(int width, int height)
4122 col = (xw.w - 2 * borderpx) / xw.cw;
4123 row = (xw.h - 2 * borderpx) / xw.ch;
4133 if (e->xconfigure.width == xw.w && e->xconfigure.height == xw.h)
4136 cresize(e->xconfigure.width, e->xconfigure.height);
4143 int w = xw.w, h = xw.h;
4145 int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
4146 struct timespec drawtimeout, *tv = NULL, now, last, lastblink;
4149 /* Waiting for window mapping */
4151 XNextEvent(xw.dpy, &ev);
4153 * XFilterEvent is required to be called after you using XOpenIM,
4154 * this is not unnecessary.It does not only filter the key event,
4155 * but some clientmessage for input method as well.
4157 if (XFilterEvent(&ev, None))
4159 if (ev.type == ConfigureNotify) {
4160 w = ev.xconfigure.width;
4161 h = ev.xconfigure.height;
4163 } while (ev.type != MapNotify);
4168 clock_gettime(CLOCK_MONOTONIC, &last);
4171 for (xev = actionfps;;) {
4173 FD_SET(cmdfd, &rfd);
4176 if (pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
4179 die("select failed: %s\n", strerror(errno));
4181 if (FD_ISSET(cmdfd, &rfd)) {
4184 blinkset = tattrset(ATTR_BLINK);
4186 MODBIT(term.mode, 0, MODE_BLINK);
4190 if (FD_ISSET(xfd, &rfd))
4193 clock_gettime(CLOCK_MONOTONIC, &now);
4194 drawtimeout.tv_sec = 0;
4195 drawtimeout.tv_nsec = (1000 * 1E6)/ xfps;
4199 if (blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
4200 tsetdirtattr(ATTR_BLINK);
4201 term.mode ^= MODE_BLINK;
4205 deltatime = TIMEDIFF(now, last);
4206 if (deltatime > 1000 / (xev ? xfps : actionfps)) {
4212 while (XPending(xw.dpy)) {
4213 XNextEvent(xw.dpy, &ev);
4214 if (XFilterEvent(&ev, None))
4216 if (handler[ev.type])
4217 (handler[ev.type])(&ev);
4223 if (xev && !FD_ISSET(xfd, &rfd))
4225 if (!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
4227 if (TIMEDIFF(now, lastblink) \
4229 drawtimeout.tv_nsec = 1000;
4231 drawtimeout.tv_nsec = (1E6 * \
4236 drawtimeout.tv_sec = \
4237 drawtimeout.tv_nsec / 1E9;
4238 drawtimeout.tv_nsec %= (long)1E9;
4250 die("%s " VERSION " (c) 2010-2015 st engineers\n"
4251 "usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]\n"
4252 " [-i] [-t title] [-w windowid] [-e command ...] [command ...]\n"
4253 " st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]\n"
4254 " [-i] [-t title] [-w windowid] [-l line] [stty_args ...]\n",
4259 main(int argc, char *argv[])
4261 uint cols = 80, rows = 24;
4272 opt_class = EARGF(usage());
4279 opt_font = EARGF(usage());
4282 xw.gm = XParseGeometry(EARGF(usage()),
4283 &xw.l, &xw.t, &cols, &rows);
4289 opt_io = EARGF(usage());
4292 opt_line = EARGF(usage());
4295 opt_title = EARGF(usage());
4298 opt_embed = EARGF(usage());
4307 /* eat all remaining arguments */
4309 if (!opt_title && !opt_line)
4310 opt_title = basename(xstrdup(argv[0]));
4312 setlocale(LC_CTYPE, "");
4313 XSetLocaleModifiers("");
4314 tnew(MAX(cols, 1), MAX(rows, 1));