1 /* See LICENSE for license details. */
15 #include <sys/ioctl.h>
16 #include <sys/select.h>
19 #include <sys/types.h>
24 #include <X11/Xatom.h>
26 #include <X11/Xutil.h>
27 #include <X11/cursorfont.h>
28 #include <X11/keysym.h>
29 #include <X11/Xft/Xft.h>
30 #include <X11/XKBlib.h>
31 #include <fontconfig/fontconfig.h>
43 #elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
45 #elif defined(__FreeBSD__) || defined(__DragonFly__)
51 #define XEMBED_FOCUS_IN 4
52 #define XEMBED_FOCUS_OUT 5
55 #define UTF_INVALID 0xFFFD
57 #define ESC_BUF_SIZ (128*UTF_SIZ)
58 #define ESC_ARG_SIZ 16
59 #define STR_BUF_SIZ ESC_BUF_SIZ
60 #define STR_ARG_SIZ ESC_ARG_SIZ
61 #define DRAW_BUF_SIZ 20*1024
62 #define XK_ANY_MOD UINT_MAX
64 #define XK_SWITCH_MOD (1<<13)
67 #define MIN(a, b) ((a) < (b) ? (a) : (b))
68 #define MAX(a, b) ((a) < (b) ? (b) : (a))
69 #define LEN(a) (sizeof(a) / sizeof(a)[0])
70 #define DEFAULT(a, b) (a) = (a) ? (a) : (b)
71 #define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
72 #define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177')
73 #define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
74 #define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
75 #define 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 || (a).bg != (b).bg)
77 #define IS_SET(flag) ((term.mode & (flag)) != 0)
78 #define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_nsec-t2.tv_nsec)/1E6)
79 #define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
81 #define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
82 #define IS_TRUECOL(x) (1 << 24 & (x))
83 #define TRUERED(x) (((x) & 0xff0000) >> 8)
84 #define TRUEGREEN(x) (((x) & 0xff00))
85 #define TRUEBLUE(x) (((x) & 0xff) << 8)
88 enum glyph_attribute {
93 ATTR_UNDERLINE = 1 << 3,
95 ATTR_REVERSE = 1 << 5,
96 ATTR_INVISIBLE = 1 << 6,
100 ATTR_WDUMMY = 1 << 10,
103 enum cursor_movement {
116 MODE_INSERT = 1 << 1,
117 MODE_APPKEYPAD = 1 << 2,
118 MODE_ALTSCREEN = 1 << 3,
120 MODE_MOUSEBTN = 1 << 5,
121 MODE_MOUSEMOTION = 1 << 6,
122 MODE_REVERSE = 1 << 7,
123 MODE_KBDLOCK = 1 << 8,
126 MODE_APPCURSOR = 1 << 11,
127 MODE_MOUSESGR = 1 << 12,
129 MODE_BLINK = 1 << 14,
130 MODE_FBLINK = 1 << 15,
131 MODE_FOCUS = 1 << 16,
132 MODE_MOUSEX10 = 1 << 17,
133 MODE_MOUSEMANY = 1 << 18,
134 MODE_BRCKTPASTE = 1 << 19,
135 MODE_PRINT = 1 << 20,
136 MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
153 ESC_STR = 4, /* DCS, OSC, PM, APC */
155 ESC_STR_END = 16, /* a final string was encountered */
156 ESC_TEST = 32, /* Enter in test mode */
164 enum selection_type {
169 enum selection_snap {
174 typedef unsigned char uchar;
175 typedef unsigned int uint;
176 typedef unsigned long ulong;
177 typedef unsigned short ushort;
179 typedef XftDraw *Draw;
180 typedef XftColor Color;
183 char c[UTF_SIZ]; /* character code */
184 ushort mode; /* attribute flags */
185 uint32_t fg; /* foreground */
186 uint32_t bg; /* background */
192 Glyph attr; /* current char attributes */
198 /* CSI Escape sequence structs */
199 /* ESC '[' [[ [<priv>] <arg> [;]] <mode> [<mode>]] */
201 char buf[ESC_BUF_SIZ]; /* raw string */
202 int len; /* raw string length */
204 int arg[ESC_ARG_SIZ];
205 int narg; /* nb of args */
209 /* STR Escape sequence structs */
210 /* ESC type [[ [<priv>] <arg> [;]] <mode>] ESC '\' */
212 char type; /* ESC type ... */
213 char buf[STR_BUF_SIZ]; /* raw string */
214 int len; /* raw string length */
215 char *args[STR_ARG_SIZ];
216 int narg; /* nb of args */
219 /* Internal representation of the screen */
221 int row; /* nb row */
222 int col; /* nb col */
223 Line *line; /* screen */
224 Line *alt; /* alternate screen */
225 bool *dirty; /* dirtyness of lines */
226 TCursor c; /* cursor */
227 int top; /* top scroll limit */
228 int bot; /* bottom scroll limit */
229 int mode; /* terminal mode flags */
230 int esc; /* escape state flags */
231 char trantbl[4]; /* charset table translation */
232 int charset; /* current charset */
233 int icharset; /* selected charset for sequence */
234 bool numlock; /* lock numbers in keyboard */
238 /* Purely graphic info */
244 Atom xembed, wmdeletewin, netwmname, netwmpid;
249 XSetWindowAttributes attrs;
251 bool isfixed; /* is fixed geometry? */
252 int l, t; /* left and top offset */
253 int gm; /* geometry mask */
254 int tw, th; /* tty width and height */
255 int w, h; /* window width and height */
256 int ch; /* char height */
257 int cw; /* char width */
258 char state; /* focus, redraw, visible */
259 int cursor; /* cursor style */
272 /* three valued logic variables: 0 indifferent, 1 on, -1 off */
273 signed char appkey; /* application keypad */
274 signed char appcursor; /* application cursor */
275 signed char crlf; /* crlf mode */
283 * Selection variables:
284 * nb – normalized coordinates of the beginning of the selection
285 * ne – normalized coordinates of the end of the selection
286 * ob – original coordinates of the beginning of the selection
287 * oe – original coordinates of the end of the selection
293 char *primary, *clipboard;
296 struct timespec tclick1;
297 struct timespec tclick2;
310 void (*func)(const Arg *);
314 /* function definitions used in config.h */
315 static void clipcopy(const Arg *);
316 static void clippaste(const Arg *);
317 static void numlock(const Arg *);
318 static void selpaste(const Arg *);
319 static void xzoom(const Arg *);
320 static void xzoomabs(const Arg *);
321 static void xzoomreset(const Arg *);
322 static void printsel(const Arg *);
323 static void printscreen(const Arg *) ;
324 static void toggleprinter(const Arg *);
326 /* Config.h for applying patches and the configuration. */
342 /* Drawing Context */
344 Color col[MAX(LEN(colorname), 256)];
345 Font font, bfont, ifont, ibfont;
349 static void die(const char *, ...);
350 static void draw(void);
351 static void redraw(void);
352 static void drawregion(int, int, int, int);
353 static void execsh(void);
354 static void stty(void);
355 static void sigchld(int);
356 static void run(void);
358 static void csidump(void);
359 static void csihandle(void);
360 static void csiparse(void);
361 static void csireset(void);
362 static int eschandle(uchar);
363 static void strdump(void);
364 static void strhandle(void);
365 static void strparse(void);
366 static void strreset(void);
368 static int tattrset(int);
369 static void tprinter(char *, size_t);
370 static void tdumpsel(void);
371 static void tdumpline(int);
372 static void tdump(void);
373 static void tclearregion(int, int, int, int);
374 static void tcursor(int);
375 static void tdeletechar(int);
376 static void tdeleteline(int);
377 static void tinsertblank(int);
378 static void tinsertblankline(int);
379 static int tlinelen(int);
380 static void tmoveto(int, int);
381 static void tmoveato(int, int);
382 static void tnew(int, int);
383 static void tnewline(int);
384 static void tputtab(int);
385 static void tputc(char *, int);
386 static void treset(void);
387 static void tresize(int, int);
388 static void tscrollup(int, int);
389 static void tscrolldown(int, int);
390 static void tsetattr(int *, int);
391 static void tsetchar(char *, Glyph *, int, int);
392 static void tsetscroll(int, int);
393 static void tswapscreen(void);
394 static void tsetdirt(int, int);
395 static void tsetdirtattr(int);
396 static void tsetmode(bool, bool, int *, int);
397 static void tfulldirt(void);
398 static void techo(char *, int);
399 static void tcontrolcode(uchar );
400 static void tdectest(char );
401 static int32_t tdefcolor(int *, int *, int);
402 static void tdeftran(char);
403 static inline bool match(uint, uint);
404 static void ttynew(void);
405 static void ttyread(void);
406 static void ttyresize(void);
407 static void ttysend(char *, size_t);
408 static void ttywrite(const char *, size_t);
409 static void tstrsequence(uchar);
411 static inline ushort sixd_to_16bit(int);
412 static void xdraws(char *, Glyph, int, int, int, int);
413 static void xhints(void);
414 static void xclear(int, int, int, int);
415 static void xdrawcursor(void);
416 static void xinit(void);
417 static void xloadcols(void);
418 static int xsetcolorname(int, const char *);
419 static int xgeommasktogravity(int);
420 static int xloadfont(Font *, FcPattern *);
421 static void xloadfonts(char *, double);
422 static void xsettitle(char *);
423 static void xresettitle(void);
424 static void xsetpointermotion(int);
425 static void xseturgency(int);
426 static void xsetsel(char *, Time);
427 static void xtermclear(int, int, int, int);
428 static void xunloadfont(Font *);
429 static void xunloadfonts(void);
430 static void xresize(int, int);
432 static void expose(XEvent *);
433 static void visibility(XEvent *);
434 static void unmap(XEvent *);
435 static char *kmap(KeySym, uint);
436 static void kpress(XEvent *);
437 static void cmessage(XEvent *);
438 static void cresize(int, int);
439 static void resize(XEvent *);
440 static void focus(XEvent *);
441 static void brelease(XEvent *);
442 static void bpress(XEvent *);
443 static void bmotion(XEvent *);
444 static void selnotify(XEvent *);
445 static void selclear(XEvent *);
446 static void selrequest(XEvent *);
448 static void selinit(void);
449 static void selnormalize(void);
450 static inline bool selected(int, int);
451 static char *getsel(void);
452 static void selcopy(Time);
453 static void selscroll(int, int);
454 static void selsnap(int, int *, int *, int);
455 static int x2col(int);
456 static int y2row(int);
457 static void getbuttoninfo(XEvent *);
458 static void mousereport(XEvent *);
460 static size_t utf8decode(char *, long *, size_t);
461 static long utf8decodebyte(char, size_t *);
462 static size_t utf8encode(long, char *, size_t);
463 static char utf8encodebyte(long, size_t);
464 static size_t utf8len(char *);
465 static size_t utf8validate(long *, size_t);
467 static ssize_t xwrite(int, const char *, size_t);
468 static void *xmalloc(size_t);
469 static void *xrealloc(void *, size_t);
470 static char *xstrdup(char *);
472 static void usage(void);
474 static void (*handler[LASTEvent])(XEvent *) = {
476 [ClientMessage] = cmessage,
477 [ConfigureNotify] = resize,
478 [VisibilityNotify] = visibility,
479 [UnmapNotify] = unmap,
483 [MotionNotify] = bmotion,
484 [ButtonPress] = bpress,
485 [ButtonRelease] = brelease,
487 * Uncomment if you want the selection to disappear when you select something
488 * different in another window.
490 /* [SelectionClear] = selclear, */
491 [SelectionNotify] = selnotify,
492 [SelectionRequest] = selrequest,
499 static CSIEscape csiescseq;
500 static STREscape strescseq;
503 static Selection sel;
504 static int iofd = STDOUT_FILENO;
505 static char **opt_cmd = NULL;
506 static char *opt_io = NULL;
507 static char *opt_title = NULL;
508 static char *opt_embed = NULL;
509 static char *opt_class = NULL;
510 static char *opt_font = NULL;
511 static char *opt_line = NULL;
512 static int oldbutton = 3; /* button event on startup: 3 = release */
514 static char *usedfont = NULL;
515 static double usedfontsize = 0;
516 static double defaultfontsize = 0;
518 static uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0};
519 static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
520 static long utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000};
521 static long utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
523 /* Font Ring Cache */
537 /* Fontcache is an array now. A new font will be appended to the array. */
538 static Fontcache frc[16];
539 static int frclen = 0;
542 xwrite(int fd, const char *s, size_t len) {
546 ssize_t r = write(fd, s, len);
556 xmalloc(size_t len) {
557 void *p = malloc(len);
560 die("Out of memory\n");
566 xrealloc(void *p, size_t len) {
567 if((p = realloc(p, len)) == NULL)
568 die("Out of memory\n");
575 if((s = strdup(s)) == NULL)
576 die("Out of memory\n");
582 utf8decode(char *c, long *u, size_t clen) {
583 size_t i, j, len, type;
589 udecoded = utf8decodebyte(c[0], &len);
590 if(!BETWEEN(len, 1, UTF_SIZ))
592 for(i = 1, j = 1; i < clen && j < len; ++i, ++j) {
593 udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type);
600 utf8validate(u, len);
605 utf8decodebyte(char c, size_t *i) {
606 for(*i = 0; *i < LEN(utfmask); ++(*i))
607 if(((uchar)c & utfmask[*i]) == utfbyte[*i])
608 return (uchar)c & ~utfmask[*i];
613 utf8encode(long u, char *c, size_t clen) {
616 len = utf8validate(&u, 0);
619 for(i = len - 1; i != 0; --i) {
620 c[i] = utf8encodebyte(u, 0);
623 c[0] = utf8encodebyte(u, len);
628 utf8encodebyte(long u, size_t i) {
629 return utfbyte[i] | (u & ~utfmask[i]);
634 return utf8decode(c, &(long){0}, UTF_SIZ);
638 utf8validate(long *u, size_t i) {
639 if(!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
641 for(i = 1; *u > utfmax[i]; ++i)
648 memset(&sel.tclick1, 0, sizeof(sel.tclick1));
649 memset(&sel.tclick2, 0, sizeof(sel.tclick2));
653 sel.clipboard = NULL;
654 sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
655 if(sel.xtarget == None)
656 sel.xtarget = XA_STRING;
664 return LIMIT(x, 0, term.col-1);
672 return LIMIT(y, 0, term.row-1);
679 if(term.line[y][i - 1].mode & ATTR_WRAP)
682 while(i > 0 && term.line[y][i - 1].c[0] == ' ')
692 if(sel.ob.y == sel.oe.y || sel.type == SEL_RECTANGULAR) {
693 sel.nb.x = MIN(sel.ob.x, sel.oe.x);
694 sel.ne.x = MAX(sel.ob.x, sel.oe.x);
696 sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x;
697 sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x;
699 sel.nb.y = MIN(sel.ob.y, sel.oe.y);
700 sel.ne.y = MAX(sel.ob.y, sel.oe.y);
702 selsnap(sel.snap, &sel.nb.x, &sel.nb.y, -1);
703 selsnap(sel.snap, &sel.ne.x, &sel.ne.y, +1);
705 /* expand selection over line breaks */
706 if (sel.type == SEL_RECTANGULAR)
708 i = tlinelen(sel.nb.y);
711 if (tlinelen(sel.ne.y) <= sel.ne.x)
712 sel.ne.x = term.col - 1;
716 selected(int x, int y) {
717 if(sel.type == SEL_RECTANGULAR)
718 return BETWEEN(y, sel.nb.y, sel.ne.y)
719 && BETWEEN(x, sel.nb.x, sel.ne.x);
721 return BETWEEN(y, sel.nb.y, sel.ne.y)
722 && (y != sel.nb.y || x >= sel.nb.x)
723 && (y != sel.ne.y || x <= sel.ne.x);
727 selsnap(int mode, int *x, int *y, int direction) {
728 int newx, newy, xt, yt;
729 bool delim, prevdelim;
735 * Snap around if the word wraps around at the end or
736 * beginning of a line.
738 prevgp = &term.line[*y][*x];
739 prevdelim = strchr(worddelimiters, prevgp->c[0]) != NULL;
741 newx = *x + direction;
743 if(!BETWEEN(newx, 0, term.col - 1)) {
745 newx = (newx + term.col) % term.col;
746 if (!BETWEEN(newy, 0, term.row - 1))
752 yt = newy, xt = newx;
753 if(!(term.line[yt][xt].mode & ATTR_WRAP))
757 if (newx >= tlinelen(newy))
760 gp = &term.line[newy][newx];
761 delim = strchr(worddelimiters, gp->c[0]) != NULL;
762 if(!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
763 || (delim && gp->c[0] != prevgp->c[0])))
774 * Snap around if the the previous line or the current one
775 * has set ATTR_WRAP at its end. Then the whole next or
776 * previous line will be selected.
778 *x = (direction < 0) ? 0 : term.col - 1;
779 if(direction < 0 && *y > 0) {
780 for(; *y > 0; *y += direction) {
781 if(!(term.line[*y-1][term.col-1].mode
786 } else if(direction > 0 && *y < term.row-1) {
787 for(; *y < term.row; *y += direction) {
788 if(!(term.line[*y][term.col-1].mode
799 getbuttoninfo(XEvent *e) {
801 uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
803 sel.alt = IS_SET(MODE_ALTSCREEN);
805 sel.oe.x = x2col(e->xbutton.x);
806 sel.oe.y = y2row(e->xbutton.y);
809 sel.type = SEL_REGULAR;
810 for(type = 1; type < LEN(selmasks); ++type) {
811 if(match(selmasks[type], state)) {
819 mousereport(XEvent *e) {
820 int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
821 button = e->xbutton.button, state = e->xbutton.state,
827 if(e->xbutton.type == MotionNotify) {
828 if(x == ox && y == oy)
830 if(!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
832 /* MOUSE_MOTION: no reporting if no button is pressed */
833 if(IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
836 button = oldbutton + 32;
840 if(!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
847 if(e->xbutton.type == ButtonPress) {
851 } else if(e->xbutton.type == ButtonRelease) {
853 /* MODE_MOUSEX10: no button release reporting */
854 if(IS_SET(MODE_MOUSEX10))
856 if (button == 64 || button == 65)
861 if(!IS_SET(MODE_MOUSEX10)) {
862 button += (state & ShiftMask ? 4 : 0)
863 + (state & Mod4Mask ? 8 : 0)
864 + (state & ControlMask ? 16 : 0);
868 if(IS_SET(MODE_MOUSESGR)) {
869 len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
871 e->xbutton.type == ButtonRelease ? 'm' : 'M');
872 } else if(x < 223 && y < 223) {
873 len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
874 32+button, 32+x+1, 32+y+1);
887 if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
892 for(mk = mshortcuts; mk < mshortcuts + LEN(mshortcuts); mk++) {
893 if(e->xbutton.button == mk->b
894 && match(mk->mask, e->xbutton.state)) {
895 ttysend(mk->s, strlen(mk->s));
900 if(e->xbutton.button == Button1) {
901 clock_gettime(CLOCK_MONOTONIC, &now);
903 /* Clear previous selection, logically and visually. */
906 sel.type = SEL_REGULAR;
907 sel.oe.x = sel.ob.x = x2col(e->xbutton.x);
908 sel.oe.y = sel.ob.y = y2row(e->xbutton.y);
911 * If the user clicks below predefined timeouts specific
912 * snapping behaviour is exposed.
914 if(TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
915 sel.snap = SNAP_LINE;
916 } else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
917 sel.snap = SNAP_WORD;
924 * Draw selection, unless it's regular and we don't want to
925 * make clicks visible
929 tsetdirt(sel.nb.y, sel.ne.y);
931 sel.tclick2 = sel.tclick1;
939 int y, bufsize, size, lastx, linelen;
945 bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ;
946 ptr = str = xmalloc(bufsize);
948 /* append every set & selected glyph to the selection */
949 for(y = sel.nb.y; y <= sel.ne.y; y++) {
950 linelen = tlinelen(y);
952 if(sel.type == SEL_RECTANGULAR) {
953 gp = &term.line[y][sel.nb.x];
956 gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0];
957 lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
959 last = &term.line[y][MIN(lastx, linelen-1)];
960 while(last >= gp && last->c[0] == ' ')
963 for( ; gp <= last; ++gp) {
964 if(gp->mode & ATTR_WDUMMY)
967 size = utf8len(gp->c);
968 memcpy(ptr, gp->c, size);
973 * Copy and pasting of line endings is inconsistent
974 * in the inconsistent terminal and GUI world.
975 * The best solution seems like to produce '\n' when
976 * something is copied from st and convert '\n' to
977 * '\r', when something to be pasted is received by
979 * FIXME: Fix the computer world.
981 if((y < sel.ne.y || lastx >= linelen) && !(last->mode & ATTR_WRAP))
990 xsetsel(getsel(), t);
994 selnotify(XEvent *e) {
995 ulong nitems, ofs, rem;
997 uchar *data, *last, *repl;
999 XSelectionEvent *xsev;
1002 xsev = &e->xselection;
1003 if (xsev->property == None)
1006 if(XGetWindowProperty(xw.dpy, xw.win, xsev->property, ofs,
1007 BUFSIZ/4, False, AnyPropertyType,
1008 &type, &format, &nitems, &rem,
1010 fprintf(stderr, "Clipboard allocation failed\n");
1015 * As seen in getsel:
1016 * Line endings are inconsistent in the terminal and GUI world
1017 * copy and pasting. When receiving some selection data,
1018 * replace all '\n' with '\r'.
1019 * FIXME: Fix the computer world.
1022 last = data + nitems * format / 8;
1023 while((repl = memchr(repl, '\n', last - repl))) {
1027 if(IS_SET(MODE_BRCKTPASTE))
1028 ttywrite("\033[200~", 6);
1029 ttysend((char *)data, nitems * format / 8);
1030 if(IS_SET(MODE_BRCKTPASTE))
1031 ttywrite("\033[201~", 6);
1033 /* number of 32-bit chunks returned */
1034 ofs += nitems * format / 32;
1039 selpaste(const Arg *dummy) {
1040 XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY,
1041 xw.win, CurrentTime);
1045 clipcopy(const Arg *dummy) {
1048 if(sel.clipboard != NULL)
1049 free(sel.clipboard);
1051 if(sel.primary != NULL) {
1052 sel.clipboard = xstrdup(sel.primary);
1053 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
1054 XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
1059 clippaste(const Arg *dummy) {
1062 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
1063 XConvertSelection(xw.dpy, clipboard, sel.xtarget, clipboard,
1064 xw.win, CurrentTime);
1068 selclear(XEvent *e) {
1072 tsetdirt(sel.nb.y, sel.ne.y);
1076 selrequest(XEvent *e) {
1077 XSelectionRequestEvent *xsre;
1078 XSelectionEvent xev;
1079 Atom xa_targets, string, clipboard;
1082 xsre = (XSelectionRequestEvent *) e;
1083 xev.type = SelectionNotify;
1084 xev.requestor = xsre->requestor;
1085 xev.selection = xsre->selection;
1086 xev.target = xsre->target;
1087 xev.time = xsre->time;
1088 if (xsre->property == None)
1089 xsre->property = xsre->target;
1092 xev.property = None;
1094 xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
1095 if(xsre->target == xa_targets) {
1096 /* respond with the supported type */
1097 string = sel.xtarget;
1098 XChangeProperty(xsre->display, xsre->requestor, xsre->property,
1099 XA_ATOM, 32, PropModeReplace,
1100 (uchar *) &string, 1);
1101 xev.property = xsre->property;
1102 } else if(xsre->target == sel.xtarget || xsre->target == XA_STRING) {
1104 * xith XA_STRING non ascii characters may be incorrect in the
1105 * requestor. It is not our problem, use utf8.
1107 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
1108 if(xsre->selection == XA_PRIMARY) {
1109 seltext = sel.primary;
1110 } else if(xsre->selection == clipboard) {
1111 seltext = sel.clipboard;
1114 "Unhandled clipboard selection 0x%lx\n",
1118 if(seltext != NULL) {
1119 XChangeProperty(xsre->display, xsre->requestor,
1120 xsre->property, xsre->target,
1122 (uchar *)seltext, strlen(seltext));
1123 xev.property = xsre->property;
1127 /* all done, send a notification to the listener */
1128 if(!XSendEvent(xsre->display, xsre->requestor, True, 0, (XEvent *) &xev))
1129 fprintf(stderr, "Error sending SelectionNotify event\n");
1133 xsetsel(char *str, Time t) {
1137 XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
1138 if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
1143 brelease(XEvent *e) {
1144 if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
1149 if(e->xbutton.button == Button2) {
1151 } else if(e->xbutton.button == Button1) {
1156 selcopy(e->xbutton.time);
1159 tsetdirt(sel.nb.y, sel.ne.y);
1164 bmotion(XEvent *e) {
1165 int oldey, oldex, oldsby, oldsey;
1167 if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
1182 if(oldey != sel.oe.y || oldex != sel.oe.x)
1183 tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
1187 die(const char *errstr, ...) {
1190 va_start(ap, errstr);
1191 vfprintf(stderr, errstr, ap);
1198 char **args, *sh, *prog;
1199 const struct passwd *pw;
1200 char buf[sizeof(long) * 8 + 1];
1203 if((pw = getpwuid(getuid())) == NULL) {
1205 die("getpwuid:%s\n", strerror(errno));
1207 die("who are you?\n");
1210 if (!(sh = getenv("SHELL"))) {
1211 sh = (pw->pw_shell[0]) ? pw->pw_shell : shell;
1220 args = (opt_cmd) ? opt_cmd : (char *[]) {prog, NULL};
1222 snprintf(buf, sizeof(buf), "%lu", xw.win);
1224 unsetenv("COLUMNS");
1226 unsetenv("TERMCAP");
1227 setenv("LOGNAME", pw->pw_name, 1);
1228 setenv("USER", pw->pw_name, 1);
1229 setenv("SHELL", sh, 1);
1230 setenv("HOME", pw->pw_dir, 1);
1231 setenv("TERM", termname, 1);
1232 setenv("WINDOWID", buf, 1);
1234 signal(SIGCHLD, SIG_DFL);
1235 signal(SIGHUP, SIG_DFL);
1236 signal(SIGINT, SIG_DFL);
1237 signal(SIGQUIT, SIG_DFL);
1238 signal(SIGTERM, SIG_DFL);
1239 signal(SIGALRM, SIG_DFL);
1242 _exit(EXIT_FAILURE);
1249 if(waitpid(pid, &stat, 0) < 0)
1250 die("Waiting for pid %hd failed: %s\n", pid, strerror(errno));
1252 ret = WIFEXITED(stat) ? WEXITSTATUS(stat) : EXIT_FAILURE;
1253 if (ret != EXIT_SUCCESS)
1254 die("child finished with error '%d'\n", stat);
1262 char cmd[_POSIX_ARG_MAX], **p, *q, *s;
1265 if((n = strlen(stty_args)) > sizeof(cmd)-1)
1266 die("incorrect stty parameters\n");
1267 memcpy(cmd, stty_args, n);
1269 siz = sizeof(cmd) - n;
1270 for(p = opt_cmd; p && (s = *p); ++p) {
1271 if((n = strlen(s)) > siz-1)
1272 die("stty parameter length too long\n");
1274 q = memcpy(q, s, n);
1285 struct winsize w = {term.row, term.col, 0, 0};
1288 term.mode |= MODE_PRINT;
1289 iofd = (!strcmp(opt_io, "-")) ?
1291 open(opt_io, O_WRONLY | O_CREAT, 0666);
1293 fprintf(stderr, "Error opening %s:%s\n",
1294 opt_io, strerror(errno));
1299 if((cmdfd = open(opt_line, O_RDWR)) < 0)
1300 die("open line failed: %s\n", strerror(errno));
1301 close(STDIN_FILENO);
1307 /* seems to work fine on linux, openbsd and freebsd */
1308 if(openpty(&m, &s, NULL, NULL, &w) < 0)
1309 die("openpty failed: %s\n", strerror(errno));
1311 switch(pid = fork()) {
1313 die("fork failed\n");
1317 setsid(); /* create a new process group */
1318 dup2(s, STDIN_FILENO);
1319 dup2(s, STDOUT_FILENO);
1320 dup2(s, STDERR_FILENO);
1321 if(ioctl(s, TIOCSCTTY, NULL) < 0)
1322 die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
1330 signal(SIGCHLD, sigchld);
1337 static char buf[BUFSIZ];
1338 static int buflen = 0;
1341 int charsize; /* size of utf8 char in bytes */
1345 /* append read bytes to unprocessed bytes */
1346 if((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0)
1347 die("Couldn't read from shell: %s\n", strerror(errno));
1349 /* process every complete utf8 char */
1352 while((charsize = utf8decode(ptr, &unicodep, buflen))) {
1353 utf8encode(unicodep, s, UTF_SIZ);
1359 /* keep any uncomplete utf8 char for the next call */
1360 memmove(buf, ptr, buflen);
1364 ttywrite(const char *s, size_t n) {
1365 if(xwrite(cmdfd, s, n) == -1)
1366 die("write error on tty: %s\n", strerror(errno));
1370 ttysend(char *s, size_t n) {
1372 if(IS_SET(MODE_ECHO))
1380 w.ws_row = term.row;
1381 w.ws_col = term.col;
1382 w.ws_xpixel = xw.tw;
1383 w.ws_ypixel = xw.th;
1384 if(ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
1385 fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno));
1389 tattrset(int attr) {
1392 for(i = 0; i < term.row-1; i++) {
1393 for(j = 0; j < term.col-1; j++) {
1394 if(term.line[i][j].mode & attr)
1403 tsetdirt(int top, int bot) {
1406 LIMIT(top, 0, term.row-1);
1407 LIMIT(bot, 0, term.row-1);
1409 for(i = top; i <= bot; i++)
1414 tsetdirtattr(int attr) {
1417 for(i = 0; i < term.row-1; i++) {
1418 for(j = 0; j < term.col-1; j++) {
1419 if(term.line[i][j].mode & attr) {
1429 tsetdirt(0, term.row-1);
1434 static TCursor c[2];
1435 bool alt = IS_SET(MODE_ALTSCREEN);
1437 if(mode == CURSOR_SAVE) {
1439 } else if(mode == CURSOR_LOAD) {
1441 tmoveto(c[alt].x, c[alt].y);
1449 term.c = (TCursor){{
1453 }, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
1455 memset(term.tabs, 0, term.col * sizeof(*term.tabs));
1456 for(i = tabspaces; i < term.col; i += tabspaces)
1459 term.bot = term.row - 1;
1460 term.mode = MODE_WRAP;
1461 memset(term.trantbl, CS_USA, sizeof(term.trantbl));
1464 for(i = 0; i < 2; i++) {
1466 tcursor(CURSOR_SAVE);
1467 tclearregion(0, 0, term.col-1, term.row-1);
1473 tnew(int col, int row) {
1474 term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } };
1483 Line *tmp = term.line;
1485 term.line = term.alt;
1487 term.mode ^= MODE_ALTSCREEN;
1492 tscrolldown(int orig, int n) {
1496 LIMIT(n, 0, term.bot-orig+1);
1498 tsetdirt(orig, term.bot-n);
1499 tclearregion(0, term.bot-n+1, term.col-1, term.bot);
1501 for(i = term.bot; i >= orig+n; i--) {
1502 temp = term.line[i];
1503 term.line[i] = term.line[i-n];
1504 term.line[i-n] = temp;
1511 tscrollup(int orig, int n) {
1515 LIMIT(n, 0, term.bot-orig+1);
1517 tclearregion(0, orig, term.col-1, orig+n-1);
1518 tsetdirt(orig+n, term.bot);
1520 for(i = orig; i <= term.bot-n; i++) {
1521 temp = term.line[i];
1522 term.line[i] = term.line[i+n];
1523 term.line[i+n] = temp;
1526 selscroll(orig, -n);
1530 selscroll(int orig, int n) {
1534 if(BETWEEN(sel.ob.y, orig, term.bot) || BETWEEN(sel.oe.y, orig, term.bot)) {
1535 if((sel.ob.y += n) > term.bot || (sel.oe.y += n) < term.top) {
1539 if(sel.type == SEL_RECTANGULAR) {
1540 if(sel.ob.y < term.top)
1541 sel.ob.y = term.top;
1542 if(sel.oe.y > term.bot)
1543 sel.oe.y = term.bot;
1545 if(sel.ob.y < term.top) {
1546 sel.ob.y = term.top;
1549 if(sel.oe.y > term.bot) {
1550 sel.oe.y = term.bot;
1551 sel.oe.x = term.col;
1559 tnewline(int first_col) {
1563 tscrollup(term.top, 1);
1567 tmoveto(first_col ? 0 : term.c.x, y);
1572 char *p = csiescseq.buf, *np;
1581 csiescseq.buf[csiescseq.len] = '\0';
1582 while(p < csiescseq.buf+csiescseq.len) {
1584 v = strtol(p, &np, 10);
1587 if(v == LONG_MAX || v == LONG_MIN)
1589 csiescseq.arg[csiescseq.narg++] = v;
1591 if(*p != ';' || csiescseq.narg == ESC_ARG_SIZ)
1595 csiescseq.mode[0] = *p++;
1596 csiescseq.mode[1] = (p < csiescseq.buf+csiescseq.len) ? *p : '\0';
1599 /* for absolute user moves, when decom is set */
1601 tmoveato(int x, int y) {
1602 tmoveto(x, y + ((term.c.state & CURSOR_ORIGIN) ? term.top: 0));
1606 tmoveto(int x, int y) {
1609 if(term.c.state & CURSOR_ORIGIN) {
1614 maxy = term.row - 1;
1616 term.c.state &= ~CURSOR_WRAPNEXT;
1617 term.c.x = LIMIT(x, 0, term.col-1);
1618 term.c.y = LIMIT(y, miny, maxy);
1622 tsetchar(char *c, Glyph *attr, int x, int y) {
1623 static char *vt100_0[62] = { /* 0x41 - 0x7e */
1624 "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
1625 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
1626 0, 0, 0, 0, 0, 0, 0, 0, /* P - W */
1627 0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */
1628 "◆", "▒", "␉", "␌", "␍", "␊", "°", "±", /* ` - g */
1629 "", "␋", "┘", "┐", "┌", "└", "┼", "⎺", /* h - o */
1630 "⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */
1631 "│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */
1635 * The table is proudly stolen from rxvt.
1637 if(term.trantbl[term.charset] == CS_GRAPHIC0) {
1638 if(BETWEEN(c[0], 0x41, 0x7e) && vt100_0[c[0] - 0x41]) {
1639 c = vt100_0[c[0] - 0x41];
1643 if(term.line[y][x].mode & ATTR_WIDE) {
1644 if(x+1 < term.col) {
1645 term.line[y][x+1].c[0] = ' ';
1646 term.line[y][x+1].mode &= ~ATTR_WDUMMY;
1648 } else if(term.line[y][x].mode & ATTR_WDUMMY) {
1649 term.line[y][x-1].c[0] = ' ';
1650 term.line[y][x-1].mode &= ~ATTR_WIDE;
1654 term.line[y][x] = *attr;
1655 memcpy(term.line[y][x].c, c, UTF_SIZ);
1659 tclearregion(int x1, int y1, int x2, int y2) {
1664 temp = x1, x1 = x2, x2 = temp;
1666 temp = y1, y1 = y2, y2 = temp;
1668 LIMIT(x1, 0, term.col-1);
1669 LIMIT(x2, 0, term.col-1);
1670 LIMIT(y1, 0, term.row-1);
1671 LIMIT(y2, 0, term.row-1);
1673 for(y = y1; y <= y2; y++) {
1675 for(x = x1; x <= x2; x++) {
1676 gp = &term.line[y][x];
1679 gp->fg = term.c.attr.fg;
1680 gp->bg = term.c.attr.bg;
1682 memcpy(gp->c, " ", 2);
1688 tdeletechar(int n) {
1692 LIMIT(n, 0, term.col - term.c.x);
1696 size = term.col - src;
1697 line = term.line[term.c.y];
1699 memmove(&line[dst], &line[src], size * sizeof(Glyph));
1700 tclearregion(term.col-n, term.c.y, term.col-1, term.c.y);
1704 tinsertblank(int n) {
1708 LIMIT(n, 0, term.col - term.c.x);
1712 size = term.col - dst;
1713 line = term.line[term.c.y];
1715 memmove(&line[dst], &line[src], size * sizeof(Glyph));
1716 tclearregion(src, term.c.y, dst - 1, term.c.y);
1720 tinsertblankline(int n) {
1721 if(BETWEEN(term.c.y, term.top, term.bot))
1722 tscrolldown(term.c.y, n);
1726 tdeleteline(int n) {
1727 if(BETWEEN(term.c.y, term.top, term.bot))
1728 tscrollup(term.c.y, n);
1732 tdefcolor(int *attr, int *npar, int l) {
1736 switch (attr[*npar + 1]) {
1737 case 2: /* direct color in RGB space */
1738 if (*npar + 4 >= l) {
1740 "erresc(38): Incorrect number of parameters (%d)\n",
1744 r = attr[*npar + 2];
1745 g = attr[*npar + 3];
1746 b = attr[*npar + 4];
1748 if(!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255))
1749 fprintf(stderr, "erresc: bad rgb color (%d,%d,%d)\n",
1752 idx = TRUECOLOR(r, g, b);
1754 case 5: /* indexed color */
1755 if (*npar + 2 >= l) {
1757 "erresc(38): Incorrect number of parameters (%d)\n",
1762 if(!BETWEEN(attr[*npar], 0, 255))
1763 fprintf(stderr, "erresc: bad fgcolor %d\n", attr[*npar]);
1767 case 0: /* implemented defined (only foreground) */
1768 case 1: /* transparent */
1769 case 3: /* direct color in CMY space */
1770 case 4: /* direct color in CMYK space */
1773 "erresc(38): gfx attr %d unknown\n", attr[*npar]);
1781 tsetattr(int *attr, int l) {
1785 for(i = 0; i < l; i++) {
1788 term.c.attr.mode &= ~(
1797 term.c.attr.fg = defaultfg;
1798 term.c.attr.bg = defaultbg;
1801 term.c.attr.mode |= ATTR_BOLD;
1804 term.c.attr.mode |= ATTR_FAINT;
1807 term.c.attr.mode |= ATTR_ITALIC;
1810 term.c.attr.mode |= ATTR_UNDERLINE;
1812 case 5: /* slow blink */
1814 case 6: /* rapid blink */
1815 term.c.attr.mode |= ATTR_BLINK;
1818 term.c.attr.mode |= ATTR_REVERSE;
1821 term.c.attr.mode |= ATTR_INVISIBLE;
1824 term.c.attr.mode |= ATTR_STRUCK;
1827 term.c.attr.mode &= ~(ATTR_BOLD | ATTR_FAINT);
1830 term.c.attr.mode &= ~ATTR_ITALIC;
1833 term.c.attr.mode &= ~ATTR_UNDERLINE;
1836 term.c.attr.mode &= ~ATTR_BLINK;
1839 term.c.attr.mode &= ~ATTR_REVERSE;
1842 term.c.attr.mode &= ~ATTR_INVISIBLE;
1845 term.c.attr.mode &= ~ATTR_STRUCK;
1848 if ((idx = tdefcolor(attr, &i, l)) >= 0)
1849 term.c.attr.fg = idx;
1852 term.c.attr.fg = defaultfg;
1855 if ((idx = tdefcolor(attr, &i, l)) >= 0)
1856 term.c.attr.bg = idx;
1859 term.c.attr.bg = defaultbg;
1862 if(BETWEEN(attr[i], 30, 37)) {
1863 term.c.attr.fg = attr[i] - 30;
1864 } else if(BETWEEN(attr[i], 40, 47)) {
1865 term.c.attr.bg = attr[i] - 40;
1866 } else if(BETWEEN(attr[i], 90, 97)) {
1867 term.c.attr.fg = attr[i] - 90 + 8;
1868 } else if(BETWEEN(attr[i], 100, 107)) {
1869 term.c.attr.bg = attr[i] - 100 + 8;
1872 "erresc(default): gfx attr %d unknown\n",
1873 attr[i]), csidump();
1881 tsetscroll(int t, int b) {
1884 LIMIT(t, 0, term.row-1);
1885 LIMIT(b, 0, term.row-1);
1896 tsetmode(bool priv, bool set, int *args, int narg) {
1900 for(lim = args + narg; args < lim; ++args) {
1903 case 1: /* DECCKM -- Cursor key */
1904 MODBIT(term.mode, set, MODE_APPCURSOR);
1906 case 5: /* DECSCNM -- Reverse video */
1908 MODBIT(term.mode, set, MODE_REVERSE);
1909 if(mode != term.mode)
1912 case 6: /* DECOM -- Origin */
1913 MODBIT(term.c.state, set, CURSOR_ORIGIN);
1916 case 7: /* DECAWM -- Auto wrap */
1917 MODBIT(term.mode, set, MODE_WRAP);
1919 case 0: /* Error (IGNORED) */
1920 case 2: /* DECANM -- ANSI/VT52 (IGNORED) */
1921 case 3: /* DECCOLM -- Column (IGNORED) */
1922 case 4: /* DECSCLM -- Scroll (IGNORED) */
1923 case 8: /* DECARM -- Auto repeat (IGNORED) */
1924 case 18: /* DECPFF -- Printer feed (IGNORED) */
1925 case 19: /* DECPEX -- Printer extent (IGNORED) */
1926 case 42: /* DECNRCM -- National characters (IGNORED) */
1927 case 12: /* att610 -- Start blinking cursor (IGNORED) */
1929 case 25: /* DECTCEM -- Text Cursor Enable Mode */
1930 MODBIT(term.mode, !set, MODE_HIDE);
1932 case 9: /* X10 mouse compatibility mode */
1933 xsetpointermotion(0);
1934 MODBIT(term.mode, 0, MODE_MOUSE);
1935 MODBIT(term.mode, set, MODE_MOUSEX10);
1937 case 1000: /* 1000: report button press */
1938 xsetpointermotion(0);
1939 MODBIT(term.mode, 0, MODE_MOUSE);
1940 MODBIT(term.mode, set, MODE_MOUSEBTN);
1942 case 1002: /* 1002: report motion on button press */
1943 xsetpointermotion(0);
1944 MODBIT(term.mode, 0, MODE_MOUSE);
1945 MODBIT(term.mode, set, MODE_MOUSEMOTION);
1947 case 1003: /* 1003: enable all mouse motions */
1948 xsetpointermotion(set);
1949 MODBIT(term.mode, 0, MODE_MOUSE);
1950 MODBIT(term.mode, set, MODE_MOUSEMANY);
1952 case 1004: /* 1004: send focus events to tty */
1953 MODBIT(term.mode, set, MODE_FOCUS);
1955 case 1006: /* 1006: extended reporting mode */
1956 MODBIT(term.mode, set, MODE_MOUSESGR);
1959 MODBIT(term.mode, set, MODE_8BIT);
1961 case 1049: /* swap screen & set/restore cursor as xterm */
1962 if (!allowaltscreen)
1964 tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
1966 case 47: /* swap screen */
1968 if (!allowaltscreen)
1970 alt = IS_SET(MODE_ALTSCREEN);
1972 tclearregion(0, 0, term.col-1,
1975 if(set ^ alt) /* set is always 1 or 0 */
1981 tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
1983 case 2004: /* 2004: bracketed paste mode */
1984 MODBIT(term.mode, set, MODE_BRCKTPASTE);
1986 /* Not implemented mouse modes. See comments there. */
1987 case 1001: /* mouse highlight mode; can hang the
1988 terminal by design when implemented. */
1989 case 1005: /* UTF-8 mouse mode; will confuse
1990 applications not supporting UTF-8
1992 case 1015: /* urxvt mangled mouse mode; incompatible
1993 and can be mistaken for other control
1997 "erresc: unknown private set/reset mode %d\n",
2003 case 0: /* Error (IGNORED) */
2005 case 2: /* KAM -- keyboard action */
2006 MODBIT(term.mode, set, MODE_KBDLOCK);
2008 case 4: /* IRM -- Insertion-replacement */
2009 MODBIT(term.mode, set, MODE_INSERT);
2011 case 12: /* SRM -- Send/Receive */
2012 MODBIT(term.mode, !set, MODE_ECHO);
2014 case 20: /* LNM -- Linefeed/new line */
2015 MODBIT(term.mode, set, MODE_CRLF);
2019 "erresc: unknown set/reset mode %d\n",
2032 switch(csiescseq.mode[0]) {
2035 fprintf(stderr, "erresc: unknown csi ");
2039 case '@': /* ICH -- Insert <n> blank char */
2040 DEFAULT(csiescseq.arg[0], 1);
2041 tinsertblank(csiescseq.arg[0]);
2043 case 'A': /* CUU -- Cursor <n> Up */
2044 DEFAULT(csiescseq.arg[0], 1);
2045 tmoveto(term.c.x, term.c.y-csiescseq.arg[0]);
2047 case 'B': /* CUD -- Cursor <n> Down */
2048 case 'e': /* VPR --Cursor <n> Down */
2049 DEFAULT(csiescseq.arg[0], 1);
2050 tmoveto(term.c.x, term.c.y+csiescseq.arg[0]);
2052 case 'i': /* MC -- Media Copy */
2053 switch(csiescseq.arg[0]) {
2058 tdumpline(term.c.y);
2064 term.mode &= ~MODE_PRINT;
2067 term.mode |= MODE_PRINT;
2071 case 'c': /* DA -- Device Attributes */
2072 if(csiescseq.arg[0] == 0)
2073 ttywrite(vtiden, sizeof(vtiden) - 1);
2075 case 'C': /* CUF -- Cursor <n> Forward */
2076 case 'a': /* HPR -- Cursor <n> Forward */
2077 DEFAULT(csiescseq.arg[0], 1);
2078 tmoveto(term.c.x+csiescseq.arg[0], term.c.y);
2080 case 'D': /* CUB -- Cursor <n> Backward */
2081 DEFAULT(csiescseq.arg[0], 1);
2082 tmoveto(term.c.x-csiescseq.arg[0], term.c.y);
2084 case 'E': /* CNL -- Cursor <n> Down and first col */
2085 DEFAULT(csiescseq.arg[0], 1);
2086 tmoveto(0, term.c.y+csiescseq.arg[0]);
2088 case 'F': /* CPL -- Cursor <n> Up and first col */
2089 DEFAULT(csiescseq.arg[0], 1);
2090 tmoveto(0, term.c.y-csiescseq.arg[0]);
2092 case 'g': /* TBC -- Tabulation clear */
2093 switch(csiescseq.arg[0]) {
2094 case 0: /* clear current tab stop */
2095 term.tabs[term.c.x] = 0;
2097 case 3: /* clear all the tabs */
2098 memset(term.tabs, 0, term.col * sizeof(*term.tabs));
2104 case 'G': /* CHA -- Move to <col> */
2106 DEFAULT(csiescseq.arg[0], 1);
2107 tmoveto(csiescseq.arg[0]-1, term.c.y);
2109 case 'H': /* CUP -- Move to <row> <col> */
2111 DEFAULT(csiescseq.arg[0], 1);
2112 DEFAULT(csiescseq.arg[1], 1);
2113 tmoveato(csiescseq.arg[1]-1, csiescseq.arg[0]-1);
2115 case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
2116 DEFAULT(csiescseq.arg[0], 1);
2117 tputtab(csiescseq.arg[0]);
2119 case 'J': /* ED -- Clear screen */
2121 switch(csiescseq.arg[0]) {
2123 tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
2124 if(term.c.y < term.row-1) {
2125 tclearregion(0, term.c.y+1, term.col-1,
2131 tclearregion(0, 0, term.col-1, term.c.y-1);
2132 tclearregion(0, term.c.y, term.c.x, term.c.y);
2135 tclearregion(0, 0, term.col-1, term.row-1);
2141 case 'K': /* EL -- Clear line */
2142 switch(csiescseq.arg[0]) {
2144 tclearregion(term.c.x, term.c.y, term.col-1,
2148 tclearregion(0, term.c.y, term.c.x, term.c.y);
2151 tclearregion(0, term.c.y, term.col-1, term.c.y);
2155 case 'S': /* SU -- Scroll <n> line up */
2156 DEFAULT(csiescseq.arg[0], 1);
2157 tscrollup(term.top, csiescseq.arg[0]);
2159 case 'T': /* SD -- Scroll <n> line down */
2160 DEFAULT(csiescseq.arg[0], 1);
2161 tscrolldown(term.top, csiescseq.arg[0]);
2163 case 'L': /* IL -- Insert <n> blank lines */
2164 DEFAULT(csiescseq.arg[0], 1);
2165 tinsertblankline(csiescseq.arg[0]);
2167 case 'l': /* RM -- Reset Mode */
2168 tsetmode(csiescseq.priv, 0, csiescseq.arg, csiescseq.narg);
2170 case 'M': /* DL -- Delete <n> lines */
2171 DEFAULT(csiescseq.arg[0], 1);
2172 tdeleteline(csiescseq.arg[0]);
2174 case 'X': /* ECH -- Erase <n> char */
2175 DEFAULT(csiescseq.arg[0], 1);
2176 tclearregion(term.c.x, term.c.y,
2177 term.c.x + csiescseq.arg[0] - 1, term.c.y);
2179 case 'P': /* DCH -- Delete <n> char */
2180 DEFAULT(csiescseq.arg[0], 1);
2181 tdeletechar(csiescseq.arg[0]);
2183 case 'Z': /* CBT -- Cursor Backward Tabulation <n> tab stops */
2184 DEFAULT(csiescseq.arg[0], 1);
2185 tputtab(-csiescseq.arg[0]);
2187 case 'd': /* VPA -- Move to <row> */
2188 DEFAULT(csiescseq.arg[0], 1);
2189 tmoveato(term.c.x, csiescseq.arg[0]-1);
2191 case 'h': /* SM -- Set terminal mode */
2192 tsetmode(csiescseq.priv, 1, csiescseq.arg, csiescseq.narg);
2194 case 'm': /* SGR -- Terminal attribute (color) */
2195 tsetattr(csiescseq.arg, csiescseq.narg);
2197 case 'n': /* DSR – Device Status Report (cursor position) */
2198 if (csiescseq.arg[0] == 6) {
2199 len = snprintf(buf, sizeof(buf),"\033[%i;%iR",
2200 term.c.y+1, term.c.x+1);
2204 case 'r': /* DECSTBM -- Set Scrolling Region */
2205 if(csiescseq.priv) {
2208 DEFAULT(csiescseq.arg[0], 1);
2209 DEFAULT(csiescseq.arg[1], term.row);
2210 tsetscroll(csiescseq.arg[0]-1, csiescseq.arg[1]-1);
2214 case 's': /* DECSC -- Save cursor position (ANSI.SYS) */
2215 tcursor(CURSOR_SAVE);
2217 case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */
2218 tcursor(CURSOR_LOAD);
2221 switch (csiescseq.mode[1]) {
2222 case 'q': /* DECSCUSR -- Set Cursor Style */
2223 DEFAULT(csiescseq.arg[0], 1);
2224 if (!BETWEEN(csiescseq.arg[0], 0, 6)) {
2227 xw.cursor = csiescseq.arg[0];
2242 for(i = 0; i < csiescseq.len; i++) {
2243 c = csiescseq.buf[i] & 0xff;
2246 } else if(c == '\n') {
2248 } else if(c == '\r') {
2250 } else if(c == 0x1b) {
2253 printf("(%02x)", c);
2261 memset(&csiescseq, 0, sizeof(csiescseq));
2269 term.esc &= ~(ESC_STR_END|ESC_STR);
2271 narg = strescseq.narg;
2272 par = atoi(strescseq.args[0]);
2274 switch(strescseq.type) {
2275 case ']': /* OSC -- Operating System Command */
2281 xsettitle(strescseq.args[1]);
2283 case 4: /* color set */
2286 p = strescseq.args[2];
2288 case 104: /* color reset, here p = NULL */
2289 j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
2290 if(xsetcolorname(j, p)) {
2291 fprintf(stderr, "erresc: invalid color %s\n", p);
2294 * TODO if defaultbg color is changed, borders
2302 case 'k': /* old title set compatibility */
2303 xsettitle(strescseq.args[0]);
2305 case 'P': /* DCS -- Device Control String */
2306 case '_': /* APC -- Application Program Command */
2307 case '^': /* PM -- Privacy Message */
2311 fprintf(stderr, "erresc: unknown str ");
2318 char *p = strescseq.buf;
2321 strescseq.buf[strescseq.len] = '\0';
2326 while(strescseq.narg < STR_ARG_SIZ) {
2327 strescseq.args[strescseq.narg++] = p;
2328 while((c = *p) != ';' && c != '\0')
2341 printf("ESC%c", strescseq.type);
2342 for(i = 0; i < strescseq.len; i++) {
2343 c = strescseq.buf[i] & 0xff;
2346 } else if(isprint(c)) {
2348 } else if(c == '\n') {
2350 } else if(c == '\r') {
2352 } else if(c == 0x1b) {
2355 printf("(%02x)", c);
2363 memset(&strescseq, 0, sizeof(strescseq));
2367 tprinter(char *s, size_t len) {
2368 if(iofd != -1 && xwrite(iofd, s, len) < 0) {
2369 fprintf(stderr, "Error writing in %s:%s\n",
2370 opt_io, strerror(errno));
2377 toggleprinter(const Arg *arg) {
2378 term.mode ^= MODE_PRINT;
2382 printscreen(const Arg *arg) {
2387 printsel(const Arg *arg) {
2395 if((ptr = getsel())) {
2396 tprinter(ptr, strlen(ptr));
2405 bp = &term.line[n][0];
2406 end = &bp[MIN(tlinelen(n), term.col) - 1];
2407 if(bp != end || bp->c[0] != ' ') {
2408 for( ;bp <= end; ++bp)
2409 tprinter(bp->c, utf8len(bp->c));
2418 for(i = 0; i < term.row; ++i)
2427 while(x < term.col && n--)
2428 for(++x; x < term.col && !term.tabs[x]; ++x)
2432 for(--x; x > 0 && !term.tabs[x]; --x)
2435 term.c.x = LIMIT(x, 0, term.col-1);
2439 techo(char *buf, int len) {
2440 for(; len > 0; buf++, len--) {
2443 if(ISCONTROL((uchar) c)) { /* control code */
2448 } else if(c != '\n' && c != '\r' && c != '\t') {
2462 tdeftran(char ascii) {
2463 static char cs[] = "0B";
2464 static int vcs[] = {CS_GRAPHIC0, CS_USA};
2467 if((p = strchr(cs, ascii)) == NULL) {
2468 fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
2470 term.trantbl[term.icharset] = vcs[p - cs];
2476 static char E[UTF_SIZ] = "E";
2479 if(c == '8') { /* DEC screen alignment test. */
2480 for(x = 0; x < term.col; ++x) {
2481 for(y = 0; y < term.row; ++y)
2482 tsetchar(E, &term.c.attr, x, y);
2488 tstrsequence(uchar c) {
2490 case 0x90: /* DCS -- Device Control String */
2493 case 0x9f: /* APC -- Application Program Command */
2496 case 0x9e: /* PM -- Privacy Message */
2499 case 0x9d: /* OSC -- Operating System Command */
2505 term.esc |= ESC_STR;
2509 tcontrolcode(uchar ascii) {
2510 static char question[UTF_SIZ] = "?";
2517 tmoveto(term.c.x-1, term.c.y);
2520 tmoveto(0, term.c.y);
2525 /* go to first col if the mode is set */
2526 tnewline(IS_SET(MODE_CRLF));
2528 case '\a': /* BEL */
2529 if(term.esc & ESC_STR_END) {
2530 /* backwards compatibility to xterm */
2533 if(!(xw.state & WIN_FOCUSED))
2536 XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL);
2539 case '\033': /* ESC */
2541 term.esc &= ~(ESC_CSI|ESC_ALTCHARSET|ESC_TEST);
2542 term.esc |= ESC_START;
2544 case '\016': /* SO (LS1 -- Locking shift 1) */
2545 case '\017': /* SI (LS0 -- Locking shift 0) */
2546 term.charset = 1 - (ascii - '\016');
2548 case '\032': /* SUB */
2549 tsetchar(question, &term.c.attr, term.c.x, term.c.y);
2550 case '\030': /* CAN */
2553 case '\005': /* ENQ (IGNORED) */
2554 case '\000': /* NUL (IGNORED) */
2555 case '\021': /* XON (IGNORED) */
2556 case '\023': /* XOFF (IGNORED) */
2557 case 0177: /* DEL (IGNORED) */
2559 case 0x84: /* TODO: IND */
2561 case 0x85: /* NEL -- Next line */
2562 tnewline(1); /* always go to first col */
2564 case 0x88: /* HTS -- Horizontal tab stop */
2565 term.tabs[term.c.x] = 1;
2567 case 0x8d: /* TODO: RI */
2568 case 0x8e: /* TODO: SS2 */
2569 case 0x8f: /* TODO: SS3 */
2570 case 0x98: /* TODO: SOS */
2572 case 0x9a: /* DECID -- Identify Terminal */
2573 ttywrite(vtiden, sizeof(vtiden) - 1);
2575 case 0x9b: /* TODO: CSI */
2576 case 0x9c: /* TODO: ST */
2578 case 0x90: /* DCS -- Device Control String */
2579 case 0x9f: /* APC -- Application Program Command */
2580 case 0x9e: /* PM -- Privacy Message */
2581 case 0x9d: /* OSC -- Operating System Command */
2582 tstrsequence(ascii);
2585 /* only CAN, SUB, \a and C1 chars interrupt a sequence */
2586 term.esc &= ~(ESC_STR_END|ESC_STR);
2590 * returns 1 when the sequence is finished and it hasn't to read
2591 * more characters for this sequence, otherwise 0
2594 eschandle(uchar ascii) {
2597 term.esc |= ESC_CSI;
2600 term.esc |= ESC_TEST;
2602 case 'P': /* DCS -- Device Control String */
2603 case '_': /* APC -- Application Program Command */
2604 case '^': /* PM -- Privacy Message */
2605 case ']': /* OSC -- Operating System Command */
2606 case 'k': /* old title set compatibility */
2607 tstrsequence(ascii);
2609 case 'n': /* LS2 -- Locking shift 2 */
2610 case 'o': /* LS3 -- Locking shift 3 */
2611 term.charset = 2 + (ascii - 'n');
2613 case '(': /* GZD4 -- set primary charset G0 */
2614 case ')': /* G1D4 -- set secondary charset G1 */
2615 case '*': /* G2D4 -- set tertiary charset G2 */
2616 case '+': /* G3D4 -- set quaternary charset G3 */
2617 term.icharset = ascii - '(';
2618 term.esc |= ESC_ALTCHARSET;
2620 case 'D': /* IND -- Linefeed */
2621 if(term.c.y == term.bot) {
2622 tscrollup(term.top, 1);
2624 tmoveto(term.c.x, term.c.y+1);
2627 case 'E': /* NEL -- Next line */
2628 tnewline(1); /* always go to first col */
2630 case 'H': /* HTS -- Horizontal tab stop */
2631 term.tabs[term.c.x] = 1;
2633 case 'M': /* RI -- Reverse index */
2634 if(term.c.y == term.top) {
2635 tscrolldown(term.top, 1);
2637 tmoveto(term.c.x, term.c.y-1);
2640 case 'Z': /* DECID -- Identify Terminal */
2641 ttywrite(vtiden, sizeof(vtiden) - 1);
2643 case 'c': /* RIS -- Reset to inital state */
2648 case '=': /* DECPAM -- Application keypad */
2649 term.mode |= MODE_APPKEYPAD;
2651 case '>': /* DECPNM -- Normal keypad */
2652 term.mode &= ~MODE_APPKEYPAD;
2654 case '7': /* DECSC -- Save Cursor */
2655 tcursor(CURSOR_SAVE);
2657 case '8': /* DECRC -- Restore Cursor */
2658 tcursor(CURSOR_LOAD);
2660 case '\\': /* ST -- String Terminator */
2661 if(term.esc & ESC_STR_END)
2665 fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n",
2666 (uchar) ascii, isprint(ascii)? ascii:'.');
2673 tputc(char *c, int len) {
2682 unicodep = ascii = *c;
2684 utf8decode(c, &unicodep, UTF_SIZ);
2685 if ((width = wcwidth(unicodep)) == -1) {
2686 c = "\357\277\275"; /* UTF_INVALID */
2692 if(IS_SET(MODE_PRINT))
2694 control = ISCONTROL(unicodep);
2697 * STR sequence must be checked before anything else
2698 * because it uses all following characters until it
2699 * receives a ESC, a SUB, a ST or any other C1 control
2702 if(term.esc & ESC_STR) {
2704 (ascii == '\a' || ascii == 030 ||
2705 ascii == 032 || ascii == 033 ||
2706 ISCONTROLC1(unicodep))) {
2707 term.esc &= ~(ESC_START|ESC_STR);
2708 term.esc |= ESC_STR_END;
2709 } else if(strescseq.len + len < sizeof(strescseq.buf) - 1) {
2710 memmove(&strescseq.buf[strescseq.len], c, len);
2711 strescseq.len += len;
2715 * Here is a bug in terminals. If the user never sends
2716 * some code to stop the str or esc command, then st
2717 * will stop responding. But this is better than
2718 * silently failing with unknown characters. At least
2719 * then users will report back.
2721 * In the case users ever get fixed, here is the code:
2732 * Actions of control codes must be performed as soon they arrive
2733 * because they can be embedded inside a control sequence, and
2734 * they must not cause conflicts with sequences.
2737 tcontrolcode(ascii);
2739 * control codes are not shown ever
2742 } else if(term.esc & ESC_START) {
2743 if(term.esc & ESC_CSI) {
2744 csiescseq.buf[csiescseq.len++] = ascii;
2745 if(BETWEEN(ascii, 0x40, 0x7E)
2746 || csiescseq.len >= \
2747 sizeof(csiescseq.buf)-1) {
2753 } else if(term.esc & ESC_ALTCHARSET) {
2755 } else if(term.esc & ESC_TEST) {
2758 if (!eschandle(ascii))
2760 /* sequence already finished */
2764 * All characters which form part of a sequence are not
2769 if(sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
2772 gp = &term.line[term.c.y][term.c.x];
2773 if(IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
2774 gp->mode |= ATTR_WRAP;
2776 gp = &term.line[term.c.y][term.c.x];
2779 if(IS_SET(MODE_INSERT) && term.c.x+width < term.col)
2780 memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph));
2782 if(term.c.x+width > term.col) {
2784 gp = &term.line[term.c.y][term.c.x];
2787 tsetchar(c, &term.c.attr, term.c.x, term.c.y);
2790 gp->mode |= ATTR_WIDE;
2791 if(term.c.x+1 < term.col) {
2793 gp[1].mode = ATTR_WDUMMY;
2796 if(term.c.x+width < term.col) {
2797 tmoveto(term.c.x+width, term.c.y);
2799 term.c.state |= CURSOR_WRAPNEXT;
2804 tresize(int col, int row) {
2806 int minrow = MIN(row, term.row);
2807 int mincol = MIN(col, term.col);
2811 if(col < 1 || row < 1) {
2813 "tresize: error resizing to %dx%d\n", col, row);
2818 * slide screen to keep cursor where we expect it -
2819 * tscrollup would work here, but we can optimize to
2820 * memmove because we're freeing the earlier lines
2822 for(i = 0; i <= term.c.y - row; i++) {
2826 /* ensure that both src and dst are not NULL */
2828 memmove(term.line, term.line + i, row * sizeof(Line));
2829 memmove(term.alt, term.alt + i, row * sizeof(Line));
2831 for(i += row; i < term.row; i++) {
2836 /* resize to new height */
2837 term.line = xrealloc(term.line, row * sizeof(Line));
2838 term.alt = xrealloc(term.alt, row * sizeof(Line));
2839 term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
2840 term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
2842 /* resize each row to new width, zero-pad if needed */
2843 for(i = 0; i < minrow; i++) {
2844 term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
2845 term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph));
2848 /* allocate any new rows */
2849 for(/* i == minrow */; i < row; i++) {
2850 term.line[i] = xmalloc(col * sizeof(Glyph));
2851 term.alt[i] = xmalloc(col * sizeof(Glyph));
2853 if(col > term.col) {
2854 bp = term.tabs + term.col;
2856 memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
2857 while(--bp > term.tabs && !*bp)
2859 for(bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
2862 /* update terminal size */
2865 /* reset scrolling region */
2866 tsetscroll(0, row-1);
2867 /* make use of the LIMIT in tmoveto */
2868 tmoveto(term.c.x, term.c.y);
2869 /* Clearing both screens (it makes dirty all lines) */
2871 for(i = 0; i < 2; i++) {
2872 if(mincol < col && 0 < minrow) {
2873 tclearregion(mincol, 0, col - 1, minrow - 1);
2875 if(0 < col && minrow < row) {
2876 tclearregion(0, minrow, col - 1, row - 1);
2879 tcursor(CURSOR_LOAD);
2885 xresize(int col, int row) {
2886 xw.tw = MAX(1, col * xw.cw);
2887 xw.th = MAX(1, row * xw.ch);
2889 XFreePixmap(xw.dpy, xw.buf);
2890 xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
2891 DefaultDepth(xw.dpy, xw.scr));
2892 XftDrawChange(xw.draw, xw.buf);
2893 xclear(0, 0, xw.w, xw.h);
2897 sixd_to_16bit(int x) {
2898 return x == 0 ? 0 : 0x3737 + 0x2828 * x;
2904 XRenderColor color = { .alpha = 0xffff };
2909 for (cp = dc.col; cp < dc.col + LEN(dc.col); ++cp)
2910 XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
2913 /* load colors [0-15] and [256-LEN(colorname)] (config.h) */
2914 for(i = 0; i < LEN(colorname); i++) {
2917 if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, colorname[i], &dc.col[i])) {
2918 die("Could not allocate color '%s'\n", colorname[i]);
2922 /* load colors [16-231] ; same colors as xterm */
2923 for(i = 16; i < 6*6*6+16; i++) {
2924 color.red = sixd_to_16bit( ((i-16)/36)%6 );
2925 color.green = sixd_to_16bit( ((i-16)/6) %6 );
2926 color.blue = sixd_to_16bit( ((i-16)/1) %6 );
2927 if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i]))
2928 die("Could not allocate color %d\n", i);
2931 /* load colors [232-255] ; grayscale */
2932 for(; i < 256; i++) {
2933 color.red = color.green = color.blue = 0x0808 + 0x0a0a * (i-(6*6*6+16));
2934 if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i]))
2935 die("Could not allocate color %d\n", i);
2941 xsetcolorname(int x, const char *name) {
2942 XRenderColor color = { .alpha = 0xffff };
2945 if(!BETWEEN(x, 0, LEN(colorname)))
2949 if(BETWEEN(x, 16, 16 + 215)) { /* 256 color */
2950 color.red = sixd_to_16bit( ((x-16)/36)%6 );
2951 color.green = sixd_to_16bit( ((x-16)/6) %6 );
2952 color.blue = sixd_to_16bit( ((x-16)/1) %6 );
2953 if(!XftColorAllocValue(xw.dpy, xw.vis,
2954 xw.cmap, &color, &ncolor)) {
2958 XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
2961 } else if(BETWEEN(x, 16 + 216, 255)) { /* greyscale */
2962 color.red = color.green = color.blue = \
2963 0x0808 + 0x0a0a * (x - (16 + 216));
2964 if(!XftColorAllocValue(xw.dpy, xw.vis,
2965 xw.cmap, &color, &ncolor)) {
2969 XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
2972 } else { /* system colors */
2973 name = colorname[x];
2976 if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, &ncolor))
2979 XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
2985 xtermclear(int col1, int row1, int col2, int row2) {
2986 XftDrawRect(xw.draw,
2987 &dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
2988 borderpx + col1 * xw.cw,
2989 borderpx + row1 * xw.ch,
2990 (col2-col1+1) * xw.cw,
2991 (row2-row1+1) * xw.ch);
2995 * Absolute coordinates.
2998 xclear(int x1, int y1, int x2, int y2) {
2999 XftDrawRect(xw.draw,
3000 &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
3001 x1, y1, x2-x1, y2-y1);
3006 XClassHint class = {opt_class ? opt_class : termname, termname};
3007 XWMHints wm = {.flags = InputHint, .input = 1};
3008 XSizeHints *sizeh = NULL;
3010 sizeh = XAllocSizeHints();
3012 sizeh->flags = PSize | PResizeInc | PBaseSize;
3013 sizeh->height = xw.h;
3014 sizeh->width = xw.w;
3015 sizeh->height_inc = xw.ch;
3016 sizeh->width_inc = xw.cw;
3017 sizeh->base_height = 2 * borderpx;
3018 sizeh->base_width = 2 * borderpx;
3019 if(xw.isfixed == True) {
3020 sizeh->flags |= PMaxSize | PMinSize;
3021 sizeh->min_width = sizeh->max_width = xw.w;
3022 sizeh->min_height = sizeh->max_height = xw.h;
3024 if(xw.gm & (XValue|YValue)) {
3025 sizeh->flags |= USPosition | PWinGravity;
3028 sizeh->win_gravity = xgeommasktogravity(xw.gm);
3031 XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm,
3037 xgeommasktogravity(int mask) {
3038 switch(mask & (XNegative|YNegative)) {
3040 return NorthWestGravity;
3042 return NorthEastGravity;
3044 return SouthWestGravity;
3046 return SouthEastGravity;
3050 xloadfont(Font *f, FcPattern *pattern) {
3054 match = FcFontMatch(NULL, pattern, &result);
3058 if(!(f->match = XftFontOpenPattern(xw.dpy, match))) {
3059 FcPatternDestroy(match);
3064 f->pattern = FcPatternDuplicate(pattern);
3066 f->ascent = f->match->ascent;
3067 f->descent = f->match->descent;
3069 f->rbearing = f->match->max_advance_width;
3071 f->height = f->ascent + f->descent;
3072 f->width = f->lbearing + f->rbearing;
3078 xloadfonts(char *fontstr, double fontsize) {
3080 FcResult r_sz, r_psz;
3084 if(fontstr[0] == '-') {
3085 pattern = XftXlfdParse(fontstr, False, False);
3087 pattern = FcNameParse((FcChar8 *)fontstr);
3091 die("st: can't open font %s\n", fontstr);
3094 FcPatternDel(pattern, FC_PIXEL_SIZE);
3095 FcPatternDel(pattern, FC_SIZE);
3096 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
3097 usedfontsize = fontsize;
3099 r_psz = FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval);
3100 r_sz = FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval);
3101 if(r_psz == FcResultMatch) {
3102 usedfontsize = fontval;
3103 } else if(r_sz == FcResultMatch) {
3107 * Default font size is 12, if none given. This is to
3108 * have a known usedfontsize value.
3110 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
3113 defaultfontsize = usedfontsize;
3116 FcConfigSubstitute(0, pattern, FcMatchPattern);
3117 FcDefaultSubstitute(pattern);
3119 if(xloadfont(&dc.font, pattern))
3120 die("st: can't open font %s\n", fontstr);
3122 if(usedfontsize < 0) {
3123 FcPatternGetDouble(dc.font.match->pattern,
3124 FC_PIXEL_SIZE, 0, &fontval);
3125 usedfontsize = fontval;
3127 defaultfontsize = fontval;
3130 /* Setting character width and height. */
3131 xw.cw = ceilf(dc.font.width * cwscale);
3132 xw.ch = ceilf(dc.font.height * chscale);
3134 FcPatternDel(pattern, FC_SLANT);
3135 FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
3136 if(xloadfont(&dc.ifont, pattern))
3137 die("st: can't open font %s\n", fontstr);
3139 FcPatternDel(pattern, FC_WEIGHT);
3140 FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
3141 if(xloadfont(&dc.ibfont, pattern))
3142 die("st: can't open font %s\n", fontstr);
3144 FcPatternDel(pattern, FC_SLANT);
3145 FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
3146 if(xloadfont(&dc.bfont, pattern))
3147 die("st: can't open font %s\n", fontstr);
3149 FcPatternDestroy(pattern);
3153 xunloadfont(Font *f) {
3154 XftFontClose(xw.dpy, f->match);
3155 FcPatternDestroy(f->pattern);
3157 FcFontSetDestroy(f->set);
3161 xunloadfonts(void) {
3162 /* Free the loaded fonts in the font cache. */
3164 XftFontClose(xw.dpy, frc[--frclen].font);
3166 xunloadfont(&dc.font);
3167 xunloadfont(&dc.bfont);
3168 xunloadfont(&dc.ifont);
3169 xunloadfont(&dc.ibfont);
3173 xzoom(const Arg *arg) {
3176 larg.i = usedfontsize + arg->i;
3181 xzoomabs(const Arg *arg) {
3183 xloadfonts(usedfont, arg->i);
3190 xzoomreset(const Arg *arg) {
3193 if(defaultfontsize > 0) {
3194 larg.i = defaultfontsize;
3204 pid_t thispid = getpid();
3206 if(!(xw.dpy = XOpenDisplay(NULL)))
3207 die("Can't open display\n");
3208 xw.scr = XDefaultScreen(xw.dpy);
3209 xw.vis = XDefaultVisual(xw.dpy, xw.scr);
3213 die("Could not init fontconfig.\n");
3215 usedfont = (opt_font == NULL)? font : opt_font;
3216 xloadfonts(usedfont, 0);
3219 xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
3222 /* adjust fixed window geometry */
3223 xw.w = 2 * borderpx + term.col * xw.cw;
3224 xw.h = 2 * borderpx + term.row * xw.ch;
3225 if(xw.gm & XNegative)
3226 xw.l += DisplayWidth(xw.dpy, xw.scr) - xw.w - 2;
3227 if(xw.gm & YNegative)
3228 xw.t += DisplayWidth(xw.dpy, xw.scr) - xw.h - 2;
3231 xw.attrs.background_pixel = dc.col[defaultbg].pixel;
3232 xw.attrs.border_pixel = dc.col[defaultbg].pixel;
3233 xw.attrs.bit_gravity = NorthWestGravity;
3234 xw.attrs.event_mask = FocusChangeMask | KeyPressMask
3235 | ExposureMask | VisibilityChangeMask | StructureNotifyMask
3236 | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
3237 xw.attrs.colormap = xw.cmap;
3239 if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
3240 parent = XRootWindow(xw.dpy, xw.scr);
3241 xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
3242 xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
3243 xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
3244 | CWEventMask | CWColormap, &xw.attrs);
3246 memset(&gcvalues, 0, sizeof(gcvalues));
3247 gcvalues.graphics_exposures = False;
3248 dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
3250 xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
3251 DefaultDepth(xw.dpy, xw.scr));
3252 XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
3253 XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
3255 /* Xft rendering context */
3256 xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
3259 if((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
3260 XSetLocaleModifiers("@im=local");
3261 if((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
3262 XSetLocaleModifiers("@im=");
3263 if((xw.xim = XOpenIM(xw.dpy,
3264 NULL, NULL, NULL)) == NULL) {
3265 die("XOpenIM failed. Could not open input"
3270 xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
3271 | XIMStatusNothing, XNClientWindow, xw.win,
3272 XNFocusWindow, xw.win, NULL);
3274 die("XCreateIC failed. Could not obtain input method.\n");
3276 /* white cursor, black outline */
3277 cursor = XCreateFontCursor(xw.dpy, XC_xterm);
3278 XDefineCursor(xw.dpy, xw.win, cursor);
3279 XRecolorCursor(xw.dpy, cursor,
3280 &(XColor){.red = 0xffff, .green = 0xffff, .blue = 0xffff},
3281 &(XColor){.red = 0x0000, .green = 0x0000, .blue = 0x0000});
3283 xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
3284 xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
3285 xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
3286 XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
3288 xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
3289 XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
3290 PropModeReplace, (uchar *)&thispid, 1);
3293 XMapWindow(xw.dpy, xw.win);
3295 XSync(xw.dpy, False);
3299 xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
3300 int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
3301 width = charlen * xw.cw, xp, i;
3302 int frcflags, charexists;
3303 int u8fl, u8fblen, u8cblen, doesexist;
3306 Font *font = &dc.font;
3308 FcPattern *fcpattern, *fontpattern;
3309 FcFontSet *fcsets[] = { NULL };
3310 FcCharSet *fccharset;
3311 Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
3312 XRenderColor colfg, colbg;
3316 frcflags = FRC_NORMAL;
3318 if(base.mode & ATTR_ITALIC) {
3319 if(base.fg == defaultfg)
3320 base.fg = defaultitalic;
3322 frcflags = FRC_ITALIC;
3323 } else if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD)) {
3324 if(base.fg == defaultfg)
3325 base.fg = defaultitalic;
3327 frcflags = FRC_ITALICBOLD;
3328 } else if(base.mode & ATTR_UNDERLINE) {
3329 if(base.fg == defaultfg)
3330 base.fg = defaultunderline;
3333 if(IS_TRUECOL(base.fg)) {
3334 colfg.alpha = 0xffff;
3335 colfg.red = TRUERED(base.fg);
3336 colfg.green = TRUEGREEN(base.fg);
3337 colfg.blue = TRUEBLUE(base.fg);
3338 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
3341 fg = &dc.col[base.fg];
3344 if(IS_TRUECOL(base.bg)) {
3345 colbg.alpha = 0xffff;
3346 colbg.green = TRUEGREEN(base.bg);
3347 colbg.red = TRUERED(base.bg);
3348 colbg.blue = TRUEBLUE(base.bg);
3349 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
3352 bg = &dc.col[base.bg];
3355 if(base.mode & ATTR_BOLD) {
3357 * change basic system colors [0-7]
3358 * to bright system colors [8-15]
3360 if(BETWEEN(base.fg, 0, 7) && !(base.mode & ATTR_FAINT))
3361 fg = &dc.col[base.fg + 8];
3363 if(base.mode & ATTR_ITALIC) {
3365 frcflags = FRC_ITALICBOLD;
3368 frcflags = FRC_BOLD;
3372 if(IS_SET(MODE_REVERSE)) {
3373 if(fg == &dc.col[defaultfg]) {
3374 fg = &dc.col[defaultbg];
3376 colfg.red = ~fg->color.red;
3377 colfg.green = ~fg->color.green;
3378 colfg.blue = ~fg->color.blue;
3379 colfg.alpha = fg->color.alpha;
3380 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
3385 if(bg == &dc.col[defaultbg]) {
3386 bg = &dc.col[defaultfg];
3388 colbg.red = ~bg->color.red;
3389 colbg.green = ~bg->color.green;
3390 colbg.blue = ~bg->color.blue;
3391 colbg.alpha = bg->color.alpha;
3392 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
3398 if(base.mode & ATTR_REVERSE) {
3404 if(base.mode & ATTR_FAINT && !(base.mode & ATTR_BOLD)) {
3405 colfg.red = fg->color.red / 2;
3406 colfg.green = fg->color.green / 2;
3407 colfg.blue = fg->color.blue / 2;
3408 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
3412 if(base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
3415 if(base.mode & ATTR_INVISIBLE)
3418 /* Intelligent cleaning up of the borders. */
3420 xclear(0, (y == 0)? 0 : winy, borderpx,
3421 winy + xw.ch + ((y >= term.row-1)? xw.h : 0));
3423 if(x + charlen >= term.col) {
3424 xclear(winx + width, (y == 0)? 0 : winy, xw.w,
3425 ((y >= term.row-1)? xw.h : (winy + xw.ch)));
3428 xclear(winx, 0, winx + width, borderpx);
3430 xclear(winx, winy + xw.ch, winx + width, xw.h);
3432 /* Clean up the region we want to draw to. */
3433 XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
3435 /* Set the clip region because Xft is sometimes dirty. */
3440 XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
3442 for(xp = winx; bytelen > 0;) {
3444 * Search for the range in the to be printed string of glyphs
3445 * that are in the main font. Then print that range. If
3446 * some glyph is found that is not in the font, do the
3452 oneatatime = font->width != xw.cw;
3455 u8cblen = utf8decode(s, &unicodep, UTF_SIZ);
3459 doesexist = XftCharExists(xw.dpy, font->match, unicodep);
3463 if(!oneatatime && bytelen > 0)
3468 XftDrawStringUtf8(xw.draw, fg,
3470 winy + font->ascent,
3483 /* Search the font cache. */
3484 for(i = 0; i < frclen; i++) {
3485 charexists = XftCharExists(xw.dpy, frc[i].font, unicodep);
3486 /* Everything correct. */
3487 if(charexists && frc[i].flags == frcflags)
3489 /* We got a default font for a not found glyph. */
3490 if(!charexists && frc[i].flags == frcflags \
3491 && frc[i].unicodep == unicodep) {
3496 /* Nothing was found. */
3499 font->set = FcFontSort(0, font->pattern,
3501 fcsets[0] = font->set;
3504 * Nothing was found in the cache. Now use
3505 * some dozen of Fontconfig calls to get the
3506 * font for one single character.
3508 * Xft and fontconfig are design failures.
3510 fcpattern = FcPatternDuplicate(font->pattern);
3511 fccharset = FcCharSetCreate();
3513 FcCharSetAddChar(fccharset, unicodep);
3514 FcPatternAddCharSet(fcpattern, FC_CHARSET,
3516 FcPatternAddBool(fcpattern, FC_SCALABLE,
3519 FcConfigSubstitute(0, fcpattern,
3521 FcDefaultSubstitute(fcpattern);
3523 fontpattern = FcFontSetMatch(0, fcsets, 1,
3527 * Overwrite or create the new cache entry.
3529 if(frclen >= LEN(frc)) {
3530 frclen = LEN(frc) - 1;
3531 XftFontClose(xw.dpy, frc[frclen].font);
3532 frc[frclen].unicodep = 0;
3535 frc[frclen].font = XftFontOpenPattern(xw.dpy,
3537 frc[frclen].flags = frcflags;
3538 frc[frclen].unicodep = unicodep;
3543 FcPatternDestroy(fcpattern);
3544 FcCharSetDestroy(fccharset);
3547 XftDrawStringUtf8(xw.draw, fg, frc[i].font,
3548 xp, winy + frc[i].font->ascent,
3549 (FcChar8 *)u8c, u8cblen);
3551 xp += xw.cw * wcwidth(unicodep);
3555 * This is how the loop above actually should be. Why does the
3556 * application have to care about font details?
3558 * I have to repeat: Xft and Fontconfig are design failures.
3561 XftDrawStringUtf8(xw.draw, fg, font->set, winx,
3562 winy + font->ascent, (FcChar8 *)s, bytelen);
3565 if(base.mode & ATTR_UNDERLINE) {
3566 XftDrawRect(xw.draw, fg, winx, winy + font->ascent + 1,
3570 if(base.mode & ATTR_STRUCK) {
3571 XftDrawRect(xw.draw, fg, winx, winy + 2 * font->ascent / 3,
3575 /* Reset clip to none. */
3576 XftDrawSetClip(xw.draw, 0);
3581 static int oldx = 0, oldy = 0;
3582 int sl, width, curx;
3583 Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs};
3585 LIMIT(oldx, 0, term.col-1);
3586 LIMIT(oldy, 0, term.row-1);
3590 /* adjust position if in dummy */
3591 if(term.line[oldy][oldx].mode & ATTR_WDUMMY)
3593 if(term.line[term.c.y][curx].mode & ATTR_WDUMMY)
3596 memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ);
3598 /* remove the old cursor */
3599 sl = utf8len(term.line[oldy][oldx].c);
3600 width = (term.line[oldy][oldx].mode & ATTR_WIDE)? 2 : 1;
3601 xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx,
3604 if(IS_SET(MODE_HIDE))
3607 /* draw the new one */
3608 if(xw.state & WIN_FOCUSED) {
3609 switch (xw.cursor) {
3610 case 0: /* Blinking Block */
3611 case 1: /* Blinking Block (Default) */
3612 case 2: /* Steady Block */
3613 if(IS_SET(MODE_REVERSE)) {
3614 g.mode |= ATTR_REVERSE;
3620 width = (term.line[term.c.y][curx].mode & ATTR_WIDE)\
3622 xdraws(g.c, g, term.c.x, term.c.y, width, sl);
3624 case 3: /* Blinking Underline */
3625 case 4: /* Steady Underline */
3626 XftDrawRect(xw.draw, &dc.col[defaultcs],
3627 borderpx + curx * xw.cw,
3628 borderpx + (term.c.y + 1) * xw.ch - cursorthickness,
3629 xw.cw, cursorthickness);
3631 case 5: /* Blinking bar */
3632 case 6: /* Steady bar */
3633 XftDrawRect(xw.draw, &dc.col[defaultcs],
3634 borderpx + curx * xw.cw,
3635 borderpx + term.c.y * xw.ch,
3636 cursorthickness, xw.ch);
3640 XftDrawRect(xw.draw, &dc.col[defaultcs],
3641 borderpx + curx * xw.cw,
3642 borderpx + term.c.y * xw.ch,
3644 XftDrawRect(xw.draw, &dc.col[defaultcs],
3645 borderpx + curx * xw.cw,
3646 borderpx + term.c.y * xw.ch,
3648 XftDrawRect(xw.draw, &dc.col[defaultcs],
3649 borderpx + (curx + 1) * xw.cw - 1,
3650 borderpx + term.c.y * xw.ch,
3652 XftDrawRect(xw.draw, &dc.col[defaultcs],
3653 borderpx + curx * xw.cw,
3654 borderpx + (term.c.y + 1) * xw.ch - 1,
3657 oldx = curx, oldy = term.c.y;
3662 xsettitle(char *p) {
3665 Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
3667 XSetWMName(xw.dpy, xw.win, &prop);
3668 XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
3674 xsettitle(opt_title ? opt_title : "st");
3685 drawregion(0, 0, term.col, term.row);
3686 XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.w,
3688 XSetForeground(xw.dpy, dc.gc,
3689 dc.col[IS_SET(MODE_REVERSE)?
3690 defaultfg : defaultbg].pixel);
3694 drawregion(int x1, int y1, int x2, int y2) {
3695 int ic, ib, x, y, ox, sl;
3697 char buf[DRAW_BUF_SIZ];
3698 bool ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
3701 if(!(xw.state & WIN_VISIBLE))
3704 for(y = y1; y < y2; y++) {
3708 xtermclear(0, y, term.col, y);
3710 base = term.line[y][0];
3712 for(x = x1; x < x2; x++) {
3713 new = term.line[y][x];
3714 if(new.mode == ATTR_WDUMMY)
3716 if(ena_sel && selected(x, y))
3717 new.mode ^= ATTR_REVERSE;
3718 if(ib > 0 && (ATTRCMP(base, new)
3719 || ib >= DRAW_BUF_SIZ-UTF_SIZ)) {
3720 xdraws(buf, base, ox, y, ic, ib);
3728 sl = utf8decode(new.c, &unicodep, UTF_SIZ);
3729 memcpy(buf+ib, new.c, sl);
3731 ic += (new.mode & ATTR_WIDE)? 2 : 1;
3734 xdraws(buf, base, ox, y, ic, ib);
3740 expose(XEvent *ev) {
3745 visibility(XEvent *ev) {
3746 XVisibilityEvent *e = &ev->xvisibility;
3748 MODBIT(xw.state, e->state != VisibilityFullyObscured, WIN_VISIBLE);
3753 xw.state &= ~WIN_VISIBLE;
3757 xsetpointermotion(int set) {
3758 MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
3759 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
3763 xseturgency(int add) {
3764 XWMHints *h = XGetWMHints(xw.dpy, xw.win);
3766 MODBIT(h->flags, add, XUrgencyHint);
3767 XSetWMHints(xw.dpy, xw.win, h);
3773 XFocusChangeEvent *e = &ev->xfocus;
3775 if(e->mode == NotifyGrab)
3778 if(ev->type == FocusIn) {
3779 XSetICFocus(xw.xic);
3780 xw.state |= WIN_FOCUSED;
3782 if(IS_SET(MODE_FOCUS))
3783 ttywrite("\033[I", 3);
3785 XUnsetICFocus(xw.xic);
3786 xw.state &= ~WIN_FOCUSED;
3787 if(IS_SET(MODE_FOCUS))
3788 ttywrite("\033[O", 3);
3793 match(uint mask, uint state) {
3794 return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
3798 numlock(const Arg *dummy) {
3803 kmap(KeySym k, uint state) {
3807 /* Check for mapped keys out of X11 function keys. */
3808 for(i = 0; i < LEN(mappedkeys); i++) {
3809 if(mappedkeys[i] == k)
3812 if(i == LEN(mappedkeys)) {
3813 if((k & 0xFFFF) < 0xFD00)
3817 for(kp = key; kp < key + LEN(key); kp++) {
3821 if(!match(kp->mask, state))
3824 if(IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
3826 if(term.numlock && kp->appkey == 2)
3829 if(IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
3832 if(IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0)
3842 kpress(XEvent *ev) {
3843 XKeyEvent *e = &ev->xkey;
3845 char buf[32], *customkey;
3851 if(IS_SET(MODE_KBDLOCK))
3854 len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);
3856 for(bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
3857 if(ksym == bp->keysym && match(bp->mod, e->state)) {
3858 bp->func(&(bp->arg));
3863 /* 2. custom keys from config.h */
3864 if((customkey = kmap(ksym, e->state))) {
3865 ttysend(customkey, strlen(customkey));
3869 /* 3. composed string from input method */
3872 if(len == 1 && e->state & Mod1Mask) {
3873 if(IS_SET(MODE_8BIT)) {
3876 len = utf8encode(c, buf, UTF_SIZ);
3889 cmessage(XEvent *e) {
3892 * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
3894 if(e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
3895 if(e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
3896 xw.state |= WIN_FOCUSED;
3898 } else if(e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
3899 xw.state &= ~WIN_FOCUSED;
3901 } else if(e->xclient.data.l[0] == xw.wmdeletewin) {
3902 /* Send SIGHUP to shell */
3909 cresize(int width, int height) {
3917 col = (xw.w - 2 * borderpx) / xw.cw;
3918 row = (xw.h - 2 * borderpx) / xw.ch;
3927 if(e->xconfigure.width == xw.w && e->xconfigure.height == xw.h)
3930 cresize(e->xconfigure.width, e->xconfigure.height);
3936 int w = xw.w, h = xw.h;
3938 int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
3939 struct timespec drawtimeout, *tv = NULL, now, last, lastblink;
3942 /* Waiting for window mapping */
3944 XNextEvent(xw.dpy, &ev);
3945 if(ev.type == ConfigureNotify) {
3946 w = ev.xconfigure.width;
3947 h = ev.xconfigure.height;
3949 } while(ev.type != MapNotify);
3954 clock_gettime(CLOCK_MONOTONIC, &last);
3957 for(xev = actionfps;;) {
3959 FD_SET(cmdfd, &rfd);
3962 if(pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
3965 die("select failed: %s\n", strerror(errno));
3967 if(FD_ISSET(cmdfd, &rfd)) {
3970 blinkset = tattrset(ATTR_BLINK);
3972 MODBIT(term.mode, 0, MODE_BLINK);
3976 if(FD_ISSET(xfd, &rfd))
3979 clock_gettime(CLOCK_MONOTONIC, &now);
3980 drawtimeout.tv_sec = 0;
3981 drawtimeout.tv_nsec = (1000 * 1E6)/ xfps;
3985 if(blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
3986 tsetdirtattr(ATTR_BLINK);
3987 term.mode ^= MODE_BLINK;
3991 deltatime = TIMEDIFF(now, last);
3992 if(deltatime > 1000 / (xev ? xfps : actionfps)) {
3998 while(XPending(xw.dpy)) {
3999 XNextEvent(xw.dpy, &ev);
4000 if(XFilterEvent(&ev, None))
4002 if(handler[ev.type])
4003 (handler[ev.type])(&ev);
4009 if(xev && !FD_ISSET(xfd, &rfd))
4011 if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
4013 if(TIMEDIFF(now, lastblink) \
4015 drawtimeout.tv_nsec = 1000;
4017 drawtimeout.tv_nsec = (1E6 * \
4022 drawtimeout.tv_sec = \
4023 drawtimeout.tv_nsec / 1E9;
4024 drawtimeout.tv_nsec %= (long)1E9;
4035 die("%s " VERSION " (c) 2010-2015 st engineers\n"
4036 "usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]\n"
4037 " [-i] [-t title] [-w windowid] [-e command ...] [command ...]\n"
4038 " st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]\n"
4039 " [-i] [-t title] [-w windowid] [-l line] [stty_args ...]\n",
4044 main(int argc, char *argv[]) {
4045 uint cols = 80, rows = 24;
4053 allowaltscreen = false;
4056 opt_class = EARGF(usage());
4063 opt_font = EARGF(usage());
4066 xw.gm = XParseGeometry(EARGF(usage()),
4067 &xw.l, &xw.t, &cols, &rows);
4073 opt_io = EARGF(usage());
4076 opt_line = EARGF(usage());
4079 opt_title = EARGF(usage());
4082 opt_embed = EARGF(usage());
4091 /* eat all remaining arguments */
4094 opt_title = basename(xstrdup(argv[0]));
4096 setlocale(LC_CTYPE, "");
4097 XSetLocaleModifiers("");
4098 tnew(MAX(cols, 1), MAX(rows, 1));