1 /* See LICENSE for license details. */
6 #include <sys/select.h>
10 #include <X11/Xatom.h>
12 #include <X11/Xutil.h>
13 #include <X11/cursorfont.h>
14 #include <X11/keysym.h>
15 #include <X11/Xft/Xft.h>
16 #include <X11/XKBlib.h>
24 #define XEMBED_FOCUS_IN 4
25 #define XEMBED_FOCUS_OUT 5
28 #define TRUERED(x) (((x) & 0xff0000) >> 8)
29 #define TRUEGREEN(x) (((x) & 0xff00))
30 #define TRUEBLUE(x) (((x) & 0xff) << 8)
32 typedef XftDraw *Draw;
33 typedef XftColor Color;
34 typedef XftGlyphFontSpec GlyphFontSpec;
36 /* Purely graphic info */
42 GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
43 Atom xembed, wmdeletewin, netwmname, netwmpid;
48 XSetWindowAttributes attrs;
50 int isfixed; /* is fixed geometry? */
51 int l, t; /* left and top offset */
52 int gm; /* geometry mask */
79 Font font, bfont, ifont, ibfont;
83 static inline ushort sixd_to_16bit(int);
84 static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
85 static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
86 static void xdrawglyph(Glyph, int, int);
87 static void xclear(int, int, int, int);
88 static void xdrawcursor(void);
89 static int xgeommasktogravity(int);
90 static void xinit(void);
91 static void cresize(int, int);
92 static void xresize(int, int);
93 static int xloadfont(Font *, FcPattern *);
94 static void xloadfonts(char *, double);
95 static void xunloadfont(Font *);
96 static void xunloadfonts(void);
97 static void xsetenv(void);
98 static void xseturgency(int);
99 static int x2col(int);
100 static int y2row(int);
102 static void expose(XEvent *);
103 static void visibility(XEvent *);
104 static void unmap(XEvent *);
105 static void kpress(XEvent *);
106 static void cmessage(XEvent *);
107 static void resize(XEvent *);
108 static void focus(XEvent *);
109 static void brelease(XEvent *);
110 static void bpress(XEvent *);
111 static void bmotion(XEvent *);
112 static void propnotify(XEvent *);
113 static void selnotify(XEvent *);
114 static void selclear_(XEvent *);
115 static void selrequest(XEvent *);
116 static void selcopy(Time);
117 static void getbuttoninfo(XEvent *);
118 static void mousereport(XEvent *);
119 static char *kmap(KeySym, uint);
120 static int match(uint, uint);
122 static void run(void);
123 static void usage(void);
125 static void (*handler[LASTEvent])(XEvent *) = {
127 [ClientMessage] = cmessage,
128 [ConfigureNotify] = resize,
129 [VisibilityNotify] = visibility,
130 [UnmapNotify] = unmap,
134 [MotionNotify] = bmotion,
135 [ButtonPress] = bpress,
136 [ButtonRelease] = brelease,
138 * Uncomment if you want the selection to disappear when you select something
139 * different in another window.
141 /* [SelectionClear] = selclear_, */
142 [SelectionNotify] = selnotify,
144 * PropertyNotify is only turned on when there is some INCR transfer happening
145 * for the selection retrieval.
147 [PropertyNotify] = propnotify,
148 [SelectionRequest] = selrequest,
154 static XSelection xsel;
161 /* Font Ring Cache */
175 /* Fontcache is an array now. A new font will be appended to the array. */
176 static Fontcache frc[16];
177 static int frclen = 0;
178 static char *usedfont = NULL;
179 static double usedfontsize = 0;
180 static double defaultfontsize = 0;
182 static char *opt_class = NULL;
183 static char **opt_cmd = NULL;
184 static char *opt_embed = NULL;
185 static char *opt_font = NULL;
186 static char *opt_io = NULL;
187 static char *opt_line = NULL;
188 static char *opt_name = NULL;
189 static char *opt_title = NULL;
196 larg.f = usedfontsize + arg->f;
201 zoomabs(const Arg *arg)
204 xloadfonts(usedfont, arg->f);
206 ttyresize(win.tw, win.th);
212 zoomreset(const Arg *arg)
216 if (defaultfontsize > 0) {
217 larg.f = defaultfontsize;
228 return LIMIT(x, 0, term.col-1);
237 return LIMIT(y, 0, term.row-1);
241 getbuttoninfo(XEvent *e)
244 uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
246 sel.alt = IS_SET(MODE_ALTSCREEN);
248 sel.oe.x = x2col(e->xbutton.x);
249 sel.oe.y = y2row(e->xbutton.y);
252 sel.type = SEL_REGULAR;
253 for (type = 1; type < selmaskslen; ++type) {
254 if (match(selmasks[type], state)) {
262 mousereport(XEvent *e)
264 int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
265 button = e->xbutton.button, state = e->xbutton.state,
271 if (e->xbutton.type == MotionNotify) {
272 if (x == ox && y == oy)
274 if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
276 /* MOUSE_MOTION: no reporting if no button is pressed */
277 if (IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
280 button = oldbutton + 32;
284 if (!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
291 if (e->xbutton.type == ButtonPress) {
295 } else if (e->xbutton.type == ButtonRelease) {
297 /* MODE_MOUSEX10: no button release reporting */
298 if (IS_SET(MODE_MOUSEX10))
300 if (button == 64 || button == 65)
305 if (!IS_SET(MODE_MOUSEX10)) {
306 button += ((state & ShiftMask ) ? 4 : 0)
307 + ((state & Mod4Mask ) ? 8 : 0)
308 + ((state & ControlMask) ? 16 : 0);
311 if (IS_SET(MODE_MOUSESGR)) {
312 len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
314 e->xbutton.type == ButtonRelease ? 'm' : 'M');
315 } else if (x < 223 && y < 223) {
316 len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
317 32+button, 32+x+1, 32+y+1);
331 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
336 for (ms = mshortcuts; ms < mshortcuts + mshortcutslen; ms++) {
337 if (e->xbutton.button == ms->b
338 && match(ms->mask, e->xbutton.state)) {
339 ttysend(ms->s, strlen(ms->s));
344 if (e->xbutton.button == Button1) {
345 clock_gettime(CLOCK_MONOTONIC, &now);
347 /* Clear previous selection, logically and visually. */
349 sel.mode = SEL_EMPTY;
350 sel.type = SEL_REGULAR;
351 sel.oe.x = sel.ob.x = x2col(e->xbutton.x);
352 sel.oe.y = sel.ob.y = y2row(e->xbutton.y);
355 * If the user clicks below predefined timeouts specific
356 * snapping behaviour is exposed.
358 if (TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
359 sel.snap = SNAP_LINE;
360 } else if (TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
361 sel.snap = SNAP_WORD;
368 sel.mode = SEL_READY;
369 tsetdirt(sel.nb.y, sel.ne.y);
370 sel.tclick2 = sel.tclick1;
378 xsetsel(getsel(), t);
382 propnotify(XEvent *e)
384 XPropertyEvent *xpev;
385 Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
387 xpev = &e->xproperty;
388 if (xpev->state == PropertyNewValue &&
389 (xpev->atom == XA_PRIMARY ||
390 xpev->atom == clipboard)) {
398 ulong nitems, ofs, rem;
400 uchar *data, *last, *repl;
401 Atom type, incratom, property;
403 incratom = XInternAtom(xw.dpy, "INCR", 0);
406 if (e->type == SelectionNotify) {
407 property = e->xselection.property;
408 } else if(e->type == PropertyNotify) {
409 property = e->xproperty.atom;
413 if (property == None)
417 if (XGetWindowProperty(xw.dpy, xw.win, property, ofs,
418 BUFSIZ/4, False, AnyPropertyType,
419 &type, &format, &nitems, &rem,
421 fprintf(stderr, "Clipboard allocation failed\n");
425 if (e->type == PropertyNotify && nitems == 0 && rem == 0) {
427 * If there is some PropertyNotify with no data, then
428 * this is the signal of the selection owner that all
429 * data has been transferred. We won't need to receive
430 * PropertyNotify events anymore.
432 MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask);
433 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
437 if (type == incratom) {
439 * Activate the PropertyNotify events so we receive
440 * when the selection owner does send us the next
443 MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask);
444 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
448 * Deleting the property is the transfer start signal.
450 XDeleteProperty(xw.dpy, xw.win, (int)property);
456 * Line endings are inconsistent in the terminal and GUI world
457 * copy and pasting. When receiving some selection data,
458 * replace all '\n' with '\r'.
459 * FIXME: Fix the computer world.
462 last = data + nitems * format / 8;
463 while ((repl = memchr(repl, '\n', last - repl))) {
467 if (IS_SET(MODE_BRCKTPASTE) && ofs == 0)
468 ttywrite("\033[200~", 6);
469 ttysend((char *)data, nitems * format / 8);
470 if (IS_SET(MODE_BRCKTPASTE) && rem == 0)
471 ttywrite("\033[201~", 6);
473 /* number of 32-bit chunks returned */
474 ofs += nitems * format / 32;
478 * Deleting the property again tells the selection owner to send the
479 * next data chunk in the property.
481 XDeleteProperty(xw.dpy, xw.win, (int)property);
487 XConvertSelection(xw.dpy, XA_PRIMARY, xsel.xtarget, XA_PRIMARY,
488 xw.win, CurrentTime);
496 if (sel.clipboard != NULL)
499 if (sel.primary != NULL) {
500 sel.clipboard = xstrdup(sel.primary);
501 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
502 XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
511 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
512 XConvertSelection(xw.dpy, clipboard, xsel.xtarget, clipboard,
513 xw.win, CurrentTime);
523 selrequest(XEvent *e)
525 XSelectionRequestEvent *xsre;
527 Atom xa_targets, string, clipboard;
530 xsre = (XSelectionRequestEvent *) e;
531 xev.type = SelectionNotify;
532 xev.requestor = xsre->requestor;
533 xev.selection = xsre->selection;
534 xev.target = xsre->target;
535 xev.time = xsre->time;
536 if (xsre->property == None)
537 xsre->property = xsre->target;
542 xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
543 if (xsre->target == xa_targets) {
544 /* respond with the supported type */
545 string = xsel.xtarget;
546 XChangeProperty(xsre->display, xsre->requestor, xsre->property,
547 XA_ATOM, 32, PropModeReplace,
548 (uchar *) &string, 1);
549 xev.property = xsre->property;
550 } else if (xsre->target == xsel.xtarget || xsre->target == XA_STRING) {
552 * xith XA_STRING non ascii characters may be incorrect in the
553 * requestor. It is not our problem, use utf8.
555 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
556 if (xsre->selection == XA_PRIMARY) {
557 seltext = sel.primary;
558 } else if (xsre->selection == clipboard) {
559 seltext = sel.clipboard;
562 "Unhandled clipboard selection 0x%lx\n",
566 if (seltext != NULL) {
567 XChangeProperty(xsre->display, xsre->requestor,
568 xsre->property, xsre->target,
570 (uchar *)seltext, strlen(seltext));
571 xev.property = xsre->property;
575 /* all done, send a notification to the listener */
576 if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev))
577 fprintf(stderr, "Error sending SelectionNotify event\n");
581 xsetsel(char *str, Time t)
586 XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
587 if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
594 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
599 if (e->xbutton.button == Button2) {
601 } else if (e->xbutton.button == Button1) {
602 if (sel.mode == SEL_READY) {
604 selcopy(e->xbutton.time);
608 tsetdirt(sel.nb.y, sel.ne.y);
615 int oldey, oldex, oldsby, oldsey;
617 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
625 sel.mode = SEL_READY;
632 if (oldey != sel.oe.y || oldex != sel.oe.x)
633 tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
637 cresize(int width, int height)
646 col = (win.w - 2 * borderpx) / win.cw;
647 row = (win.h - 2 * borderpx) / win.ch;
654 xresize(int col, int row)
656 win.tw = MAX(1, col * win.cw);
657 win.th = MAX(1, row * win.ch);
659 XFreePixmap(xw.dpy, xw.buf);
660 xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
661 DefaultDepth(xw.dpy, xw.scr));
662 XftDrawChange(xw.draw, xw.buf);
663 xclear(0, 0, win.w, win.h);
665 /* resize to new width */
666 xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec));
672 return x == 0 ? 0 : 0x3737 + 0x2828 * x;
676 xloadcolor(int i, const char *name, Color *ncolor)
678 XRenderColor color = { .alpha = 0xffff };
681 if (BETWEEN(i, 16, 255)) { /* 256 color */
682 if (i < 6*6*6+16) { /* same colors as xterm */
683 color.red = sixd_to_16bit( ((i-16)/36)%6 );
684 color.green = sixd_to_16bit( ((i-16)/6) %6 );
685 color.blue = sixd_to_16bit( ((i-16)/1) %6 );
686 } else { /* greyscale */
687 color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16));
688 color.green = color.blue = color.red;
690 return XftColorAllocValue(xw.dpy, xw.vis,
691 xw.cmap, &color, ncolor);
696 return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
706 dc.collen = MAX(colornamelen, 256);
707 dc.col = xmalloc(dc.collen * sizeof(Color));
710 for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp)
711 XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
714 for (i = 0; i < dc.collen; i++)
715 if (!xloadcolor(i, NULL, &dc.col[i])) {
717 die("Could not allocate color '%s'\n", colorname[i]);
719 die("Could not allocate color %d\n", i);
725 xsetcolorname(int x, const char *name)
729 if (!BETWEEN(x, 0, dc.collen))
733 if (!xloadcolor(x, name, &ncolor))
736 XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
743 * Absolute coordinates.
746 xclear(int x1, int y1, int x2, int y2)
749 &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
750 x1, y1, x2-x1, y2-y1);
756 XClassHint class = {opt_name ? opt_name : termname,
757 opt_class ? opt_class : termname};
758 XWMHints wm = {.flags = InputHint, .input = 1};
759 XSizeHints *sizeh = NULL;
761 sizeh = XAllocSizeHints();
763 sizeh->flags = PSize | PResizeInc | PBaseSize;
764 sizeh->height = win.h;
765 sizeh->width = win.w;
766 sizeh->height_inc = win.ch;
767 sizeh->width_inc = win.cw;
768 sizeh->base_height = 2 * borderpx;
769 sizeh->base_width = 2 * borderpx;
771 sizeh->flags |= PMaxSize | PMinSize;
772 sizeh->min_width = sizeh->max_width = win.w;
773 sizeh->min_height = sizeh->max_height = win.h;
775 if (xw.gm & (XValue|YValue)) {
776 sizeh->flags |= USPosition | PWinGravity;
779 sizeh->win_gravity = xgeommasktogravity(xw.gm);
782 XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm,
788 xgeommasktogravity(int mask)
790 switch (mask & (XNegative|YNegative)) {
792 return NorthWestGravity;
794 return NorthEastGravity;
796 return SouthWestGravity;
799 return SouthEastGravity;
803 xloadfont(Font *f, FcPattern *pattern)
805 FcPattern *configured;
809 int wantattr, haveattr;
812 * Manually configure instead of calling XftMatchFont
813 * so that we can use the configured pattern for
814 * "missing glyph" lookups.
816 configured = FcPatternDuplicate(pattern);
820 FcConfigSubstitute(NULL, configured, FcMatchPattern);
821 XftDefaultSubstitute(xw.dpy, xw.scr, configured);
823 match = FcFontMatch(NULL, configured, &result);
825 FcPatternDestroy(configured);
829 if (!(f->match = XftFontOpenPattern(xw.dpy, match))) {
830 FcPatternDestroy(configured);
831 FcPatternDestroy(match);
835 if ((XftPatternGetInteger(pattern, "slant", 0, &wantattr) ==
838 * Check if xft was unable to find a font with the appropriate
839 * slant but gave us one anyway. Try to mitigate.
841 if ((XftPatternGetInteger(f->match->pattern, "slant", 0,
842 &haveattr) != XftResultMatch) || haveattr < wantattr) {
844 fputs("st: font slant does not match\n", stderr);
848 if ((XftPatternGetInteger(pattern, "weight", 0, &wantattr) ==
850 if ((XftPatternGetInteger(f->match->pattern, "weight", 0,
851 &haveattr) != XftResultMatch) || haveattr != wantattr) {
853 fputs("st: font weight does not match\n", stderr);
857 XftTextExtentsUtf8(xw.dpy, f->match,
858 (const FcChar8 *) ascii_printable,
859 strlen(ascii_printable), &extents);
862 f->pattern = configured;
864 f->ascent = f->match->ascent;
865 f->descent = f->match->descent;
867 f->rbearing = f->match->max_advance_width;
869 f->height = f->ascent + f->descent;
870 f->width = DIVCEIL(extents.xOff, strlen(ascii_printable));
876 xloadfonts(char *fontstr, double fontsize)
882 if (fontstr[0] == '-') {
883 pattern = XftXlfdParse(fontstr, False, False);
885 pattern = FcNameParse((FcChar8 *)fontstr);
889 die("st: can't open font %s\n", fontstr);
892 FcPatternDel(pattern, FC_PIXEL_SIZE);
893 FcPatternDel(pattern, FC_SIZE);
894 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
895 usedfontsize = fontsize;
897 if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
899 usedfontsize = fontval;
900 } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) ==
905 * Default font size is 12, if none given. This is to
906 * have a known usedfontsize value.
908 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
911 defaultfontsize = usedfontsize;
914 if (xloadfont(&dc.font, pattern))
915 die("st: can't open font %s\n", fontstr);
917 if (usedfontsize < 0) {
918 FcPatternGetDouble(dc.font.match->pattern,
919 FC_PIXEL_SIZE, 0, &fontval);
920 usedfontsize = fontval;
922 defaultfontsize = fontval;
925 /* Setting character width and height. */
926 win.cw = ceilf(dc.font.width * cwscale);
927 win.ch = ceilf(dc.font.height * chscale);
929 FcPatternDel(pattern, FC_SLANT);
930 FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
931 if (xloadfont(&dc.ifont, pattern))
932 die("st: can't open font %s\n", fontstr);
934 FcPatternDel(pattern, FC_WEIGHT);
935 FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
936 if (xloadfont(&dc.ibfont, pattern))
937 die("st: can't open font %s\n", fontstr);
939 FcPatternDel(pattern, FC_SLANT);
940 FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
941 if (xloadfont(&dc.bfont, pattern))
942 die("st: can't open font %s\n", fontstr);
944 FcPatternDestroy(pattern);
950 XftFontClose(xw.dpy, f->match);
951 FcPatternDestroy(f->pattern);
953 FcFontSetDestroy(f->set);
959 /* Free the loaded fonts in the font cache. */
961 XftFontClose(xw.dpy, frc[--frclen].font);
963 xunloadfont(&dc.font);
964 xunloadfont(&dc.bfont);
965 xunloadfont(&dc.ifont);
966 xunloadfont(&dc.ibfont);
975 pid_t thispid = getpid();
976 XColor xmousefg, xmousebg;
978 if (!(xw.dpy = XOpenDisplay(NULL)))
979 die("Can't open display\n");
980 xw.scr = XDefaultScreen(xw.dpy);
981 xw.vis = XDefaultVisual(xw.dpy, xw.scr);
985 die("Could not init fontconfig.\n");
987 usedfont = (opt_font == NULL)? font : opt_font;
988 xloadfonts(usedfont, 0);
991 xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
994 /* adjust fixed window geometry */
995 win.w = 2 * borderpx + term.col * win.cw;
996 win.h = 2 * borderpx + term.row * win.ch;
997 if (xw.gm & XNegative)
998 xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2;
999 if (xw.gm & YNegative)
1000 xw.t += DisplayHeight(xw.dpy, xw.scr) - win.h - 2;
1003 xw.attrs.background_pixel = dc.col[defaultbg].pixel;
1004 xw.attrs.border_pixel = dc.col[defaultbg].pixel;
1005 xw.attrs.bit_gravity = NorthWestGravity;
1006 xw.attrs.event_mask = FocusChangeMask | KeyPressMask
1007 | ExposureMask | VisibilityChangeMask | StructureNotifyMask
1008 | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
1009 xw.attrs.colormap = xw.cmap;
1011 if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
1012 parent = XRootWindow(xw.dpy, xw.scr);
1013 xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
1014 win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
1015 xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
1016 | CWEventMask | CWColormap, &xw.attrs);
1018 memset(&gcvalues, 0, sizeof(gcvalues));
1019 gcvalues.graphics_exposures = False;
1020 dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
1022 xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
1023 DefaultDepth(xw.dpy, xw.scr));
1024 XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
1025 XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
1027 /* font spec buffer */
1028 xw.specbuf = xmalloc(term.col * sizeof(GlyphFontSpec));
1030 /* Xft rendering context */
1031 xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
1034 if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
1035 XSetLocaleModifiers("@im=local");
1036 if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
1037 XSetLocaleModifiers("@im=");
1038 if ((xw.xim = XOpenIM(xw.dpy,
1039 NULL, NULL, NULL)) == NULL) {
1040 die("XOpenIM failed. Could not open input"
1045 xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
1046 | XIMStatusNothing, XNClientWindow, xw.win,
1047 XNFocusWindow, xw.win, NULL);
1049 die("XCreateIC failed. Could not obtain input method.\n");
1051 /* white cursor, black outline */
1052 cursor = XCreateFontCursor(xw.dpy, mouseshape);
1053 XDefineCursor(xw.dpy, xw.win, cursor);
1055 if (XParseColor(xw.dpy, xw.cmap, colorname[mousefg], &xmousefg) == 0) {
1056 xmousefg.red = 0xffff;
1057 xmousefg.green = 0xffff;
1058 xmousefg.blue = 0xffff;
1061 if (XParseColor(xw.dpy, xw.cmap, colorname[mousebg], &xmousebg) == 0) {
1062 xmousebg.red = 0x0000;
1063 xmousebg.green = 0x0000;
1064 xmousebg.blue = 0x0000;
1067 XRecolorCursor(xw.dpy, cursor, &xmousefg, &xmousebg);
1069 xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
1070 xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
1071 xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
1072 XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
1074 xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
1075 XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
1076 PropModeReplace, (uchar *)&thispid, 1);
1079 XMapWindow(xw.dpy, xw.win);
1081 XSync(xw.dpy, False);
1083 xsel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
1084 if (xsel.xtarget == None)
1085 xsel.xtarget = XA_STRING;
1089 xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
1091 float winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, xp, yp;
1092 ushort mode, prevmode = USHRT_MAX;
1093 Font *font = &dc.font;
1094 int frcflags = FRC_NORMAL;
1095 float runewidth = win.cw;
1099 FcPattern *fcpattern, *fontpattern;
1100 FcFontSet *fcsets[] = { NULL };
1101 FcCharSet *fccharset;
1102 int i, f, numspecs = 0;
1104 for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) {
1105 /* Fetch rune and mode for current glyph. */
1107 mode = glyphs[i].mode;
1109 /* Skip dummy wide-character spacing. */
1110 if (mode == ATTR_WDUMMY)
1113 /* Determine font for glyph if different from previous glyph. */
1114 if (prevmode != mode) {
1117 frcflags = FRC_NORMAL;
1118 runewidth = win.cw * ((mode & ATTR_WIDE) ? 2.0f : 1.0f);
1119 if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
1121 frcflags = FRC_ITALICBOLD;
1122 } else if (mode & ATTR_ITALIC) {
1124 frcflags = FRC_ITALIC;
1125 } else if (mode & ATTR_BOLD) {
1127 frcflags = FRC_BOLD;
1129 yp = winy + font->ascent;
1132 /* Lookup character index with default font. */
1133 glyphidx = XftCharIndex(xw.dpy, font->match, rune);
1135 specs[numspecs].font = font->match;
1136 specs[numspecs].glyph = glyphidx;
1137 specs[numspecs].x = (short)xp;
1138 specs[numspecs].y = (short)yp;
1144 /* Fallback on font cache, search the font cache for match. */
1145 for (f = 0; f < frclen; f++) {
1146 glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
1147 /* Everything correct. */
1148 if (glyphidx && frc[f].flags == frcflags)
1150 /* We got a default font for a not found glyph. */
1151 if (!glyphidx && frc[f].flags == frcflags
1152 && frc[f].unicodep == rune) {
1157 /* Nothing was found. Use fontconfig to find matching font. */
1160 font->set = FcFontSort(0, font->pattern,
1162 fcsets[0] = font->set;
1165 * Nothing was found in the cache. Now use
1166 * some dozen of Fontconfig calls to get the
1167 * font for one single character.
1169 * Xft and fontconfig are design failures.
1171 fcpattern = FcPatternDuplicate(font->pattern);
1172 fccharset = FcCharSetCreate();
1174 FcCharSetAddChar(fccharset, rune);
1175 FcPatternAddCharSet(fcpattern, FC_CHARSET,
1177 FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
1179 FcConfigSubstitute(0, fcpattern,
1181 FcDefaultSubstitute(fcpattern);
1183 fontpattern = FcFontSetMatch(0, fcsets, 1,
1187 * Overwrite or create the new cache entry.
1189 if (frclen >= LEN(frc)) {
1190 frclen = LEN(frc) - 1;
1191 XftFontClose(xw.dpy, frc[frclen].font);
1192 frc[frclen].unicodep = 0;
1195 frc[frclen].font = XftFontOpenPattern(xw.dpy,
1197 if (!frc[frclen].font)
1198 die("XftFontOpenPattern failed seeking fallback font: %s\n",
1200 frc[frclen].flags = frcflags;
1201 frc[frclen].unicodep = rune;
1203 glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
1208 FcPatternDestroy(fcpattern);
1209 FcCharSetDestroy(fccharset);
1212 specs[numspecs].font = frc[f].font;
1213 specs[numspecs].glyph = glyphidx;
1214 specs[numspecs].x = (short)xp;
1215 specs[numspecs].y = (short)yp;
1224 xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
1226 int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
1227 int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch,
1228 width = charlen * win.cw;
1229 Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
1230 XRenderColor colfg, colbg;
1233 /* Fallback on color display for attributes not supported by the font */
1234 if (base.mode & ATTR_ITALIC && base.mode & ATTR_BOLD) {
1235 if (dc.ibfont.badslant || dc.ibfont.badweight)
1236 base.fg = defaultattr;
1237 } else if ((base.mode & ATTR_ITALIC && dc.ifont.badslant) ||
1238 (base.mode & ATTR_BOLD && dc.bfont.badweight)) {
1239 base.fg = defaultattr;
1242 if (IS_TRUECOL(base.fg)) {
1243 colfg.alpha = 0xffff;
1244 colfg.red = TRUERED(base.fg);
1245 colfg.green = TRUEGREEN(base.fg);
1246 colfg.blue = TRUEBLUE(base.fg);
1247 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
1250 fg = &dc.col[base.fg];
1253 if (IS_TRUECOL(base.bg)) {
1254 colbg.alpha = 0xffff;
1255 colbg.green = TRUEGREEN(base.bg);
1256 colbg.red = TRUERED(base.bg);
1257 colbg.blue = TRUEBLUE(base.bg);
1258 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
1261 bg = &dc.col[base.bg];
1264 /* Change basic system colors [0-7] to bright system colors [8-15] */
1265 if ((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7))
1266 fg = &dc.col[base.fg + 8];
1268 if (IS_SET(MODE_REVERSE)) {
1269 if (fg == &dc.col[defaultfg]) {
1270 fg = &dc.col[defaultbg];
1272 colfg.red = ~fg->color.red;
1273 colfg.green = ~fg->color.green;
1274 colfg.blue = ~fg->color.blue;
1275 colfg.alpha = fg->color.alpha;
1276 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
1281 if (bg == &dc.col[defaultbg]) {
1282 bg = &dc.col[defaultfg];
1284 colbg.red = ~bg->color.red;
1285 colbg.green = ~bg->color.green;
1286 colbg.blue = ~bg->color.blue;
1287 colbg.alpha = bg->color.alpha;
1288 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
1294 if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) {
1295 colfg.red = fg->color.red / 2;
1296 colfg.green = fg->color.green / 2;
1297 colfg.blue = fg->color.blue / 2;
1298 colfg.alpha = fg->color.alpha;
1299 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
1304 if (base.mode & ATTR_REVERSE) {
1310 if (base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
1313 if (base.mode & ATTR_INVISIBLE)
1316 /* Intelligent cleaning up of the borders. */
1318 xclear(0, (y == 0)? 0 : winy, borderpx,
1319 winy + win.ch + ((y >= term.row-1)? win.h : 0));
1321 if (x + charlen >= term.col) {
1322 xclear(winx + width, (y == 0)? 0 : winy, win.w,
1323 ((y >= term.row-1)? win.h : (winy + win.ch)));
1326 xclear(winx, 0, winx + width, borderpx);
1327 if (y == term.row-1)
1328 xclear(winx, winy + win.ch, winx + width, win.h);
1330 /* Clean up the region we want to draw to. */
1331 XftDrawRect(xw.draw, bg, winx, winy, width, win.ch);
1333 /* Set the clip region because Xft is sometimes dirty. */
1338 XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
1340 /* Render the glyphs. */
1341 XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
1343 /* Render underline and strikethrough. */
1344 if (base.mode & ATTR_UNDERLINE) {
1345 XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1,
1349 if (base.mode & ATTR_STRUCK) {
1350 XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3,
1354 /* Reset clip to none. */
1355 XftDrawSetClip(xw.draw, 0);
1359 xdrawglyph(Glyph g, int x, int y)
1362 XftGlyphFontSpec spec;
1364 numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
1365 xdrawglyphfontspecs(&spec, g, numspecs, x, y);
1371 static int oldx = 0, oldy = 0;
1373 Glyph g = {' ', ATTR_NULL, defaultbg, defaultcs}, og;
1374 int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
1377 LIMIT(oldx, 0, term.col-1);
1378 LIMIT(oldy, 0, term.row-1);
1382 /* adjust position if in dummy */
1383 if (term.line[oldy][oldx].mode & ATTR_WDUMMY)
1385 if (term.line[term.c.y][curx].mode & ATTR_WDUMMY)
1388 /* remove the old cursor */
1389 og = term.line[oldy][oldx];
1390 if (ena_sel && selected(oldx, oldy))
1391 og.mode ^= ATTR_REVERSE;
1392 xdrawglyph(og, oldx, oldy);
1394 g.u = term.line[term.c.y][term.c.x].u;
1395 g.mode |= term.line[term.c.y][term.c.x].mode &
1396 (ATTR_BOLD | ATTR_ITALIC | ATTR_UNDERLINE | ATTR_STRUCK);
1399 * Select the right color for the right mode.
1401 if (IS_SET(MODE_REVERSE)) {
1402 g.mode |= ATTR_REVERSE;
1404 if (ena_sel && selected(term.c.x, term.c.y)) {
1405 drawcol = dc.col[defaultcs];
1408 drawcol = dc.col[defaultrcs];
1412 if (ena_sel && selected(term.c.x, term.c.y)) {
1413 drawcol = dc.col[defaultrcs];
1417 drawcol = dc.col[defaultcs];
1421 if (IS_SET(MODE_HIDE))
1424 /* draw the new one */
1425 if (win.state & WIN_FOCUSED) {
1426 switch (win.cursor) {
1427 case 7: /* st extension: snowman */
1428 utf8decode("☃", &g.u, UTF_SIZ);
1429 case 0: /* Blinking Block */
1430 case 1: /* Blinking Block (Default) */
1431 case 2: /* Steady Block */
1432 g.mode |= term.line[term.c.y][curx].mode & ATTR_WIDE;
1433 xdrawglyph(g, term.c.x, term.c.y);
1435 case 3: /* Blinking Underline */
1436 case 4: /* Steady Underline */
1437 XftDrawRect(xw.draw, &drawcol,
1438 borderpx + curx * win.cw,
1439 borderpx + (term.c.y + 1) * win.ch - \
1441 win.cw, cursorthickness);
1443 case 5: /* Blinking bar */
1444 case 6: /* Steady bar */
1445 XftDrawRect(xw.draw, &drawcol,
1446 borderpx + curx * win.cw,
1447 borderpx + term.c.y * win.ch,
1448 cursorthickness, win.ch);
1452 XftDrawRect(xw.draw, &drawcol,
1453 borderpx + curx * win.cw,
1454 borderpx + term.c.y * win.ch,
1456 XftDrawRect(xw.draw, &drawcol,
1457 borderpx + curx * win.cw,
1458 borderpx + term.c.y * win.ch,
1460 XftDrawRect(xw.draw, &drawcol,
1461 borderpx + (curx + 1) * win.cw - 1,
1462 borderpx + term.c.y * win.ch,
1464 XftDrawRect(xw.draw, &drawcol,
1465 borderpx + curx * win.cw,
1466 borderpx + (term.c.y + 1) * win.ch - 1,
1469 oldx = curx, oldy = term.c.y;
1475 char buf[sizeof(long) * 8 + 1];
1477 snprintf(buf, sizeof(buf), "%lu", xw.win);
1478 setenv("WINDOWID", buf, 1);
1487 Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
1489 XSetWMName(xw.dpy, xw.win, &prop);
1490 XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
1497 drawregion(0, 0, term.col, term.row);
1498 XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w,
1500 XSetForeground(xw.dpy, dc.gc,
1501 dc.col[IS_SET(MODE_REVERSE)?
1502 defaultfg : defaultbg].pixel);
1506 drawregion(int x1, int y1, int x2, int y2)
1508 int i, x, y, ox, numspecs;
1510 XftGlyphFontSpec *specs;
1511 int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
1513 if (!(win.state & WIN_VISIBLE))
1516 for (y = y1; y < y2; y++) {
1523 numspecs = xmakeglyphfontspecs(specs, &term.line[y][x1], x2 - x1, x1, y);
1526 for (x = x1; x < x2 && i < numspecs; x++) {
1527 new = term.line[y][x];
1528 if (new.mode == ATTR_WDUMMY)
1530 if (ena_sel && selected(x, y))
1531 new.mode ^= ATTR_REVERSE;
1532 if (i > 0 && ATTRCMP(base, new)) {
1533 xdrawglyphfontspecs(specs, base, i, ox, y);
1545 xdrawglyphfontspecs(specs, base, i, ox, y);
1557 visibility(XEvent *ev)
1559 XVisibilityEvent *e = &ev->xvisibility;
1561 MODBIT(win.state, e->state != VisibilityFullyObscured, WIN_VISIBLE);
1567 win.state &= ~WIN_VISIBLE;
1571 xsetpointermotion(int set)
1573 MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
1574 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
1578 xseturgency(int add)
1580 XWMHints *h = XGetWMHints(xw.dpy, xw.win);
1582 MODBIT(h->flags, add, XUrgencyHint);
1583 XSetWMHints(xw.dpy, xw.win, h);
1590 if (!(win.state & WIN_FOCUSED))
1593 XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL);
1599 XFocusChangeEvent *e = &ev->xfocus;
1601 if (e->mode == NotifyGrab)
1604 if (ev->type == FocusIn) {
1605 XSetICFocus(xw.xic);
1606 win.state |= WIN_FOCUSED;
1608 if (IS_SET(MODE_FOCUS))
1609 ttywrite("\033[I", 3);
1611 XUnsetICFocus(xw.xic);
1612 win.state &= ~WIN_FOCUSED;
1613 if (IS_SET(MODE_FOCUS))
1614 ttywrite("\033[O", 3);
1619 match(uint mask, uint state)
1621 return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
1625 kmap(KeySym k, uint state)
1630 /* Check for mapped keys out of X11 function keys. */
1631 for (i = 0; i < mappedkeyslen; i++) {
1632 if (mappedkeys[i] == k)
1635 if (i == mappedkeyslen) {
1636 if ((k & 0xFFFF) < 0xFD00)
1640 for (kp = key; kp < key + keyslen; kp++) {
1644 if (!match(kp->mask, state))
1647 if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
1649 if (term.numlock && kp->appkey == 2)
1652 if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
1655 if (IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0)
1667 XKeyEvent *e = &ev->xkey;
1669 char buf[32], *customkey;
1675 if (IS_SET(MODE_KBDLOCK))
1678 len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);
1680 for (bp = shortcuts; bp < shortcuts + shortcutslen; bp++) {
1681 if (ksym == bp->keysym && match(bp->mod, e->state)) {
1682 bp->func(&(bp->arg));
1687 /* 2. custom keys from config.h */
1688 if ((customkey = kmap(ksym, e->state))) {
1689 ttysend(customkey, strlen(customkey));
1693 /* 3. composed string from input method */
1696 if (len == 1 && e->state & Mod1Mask) {
1697 if (IS_SET(MODE_8BIT)) {
1700 len = utf8encode(c, buf);
1717 * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
1719 if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
1720 if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
1721 win.state |= WIN_FOCUSED;
1723 } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
1724 win.state &= ~WIN_FOCUSED;
1726 } else if (e->xclient.data.l[0] == xw.wmdeletewin) {
1727 /* Send SIGHUP to shell */
1736 if (e->xconfigure.width == win.w && e->xconfigure.height == win.h)
1739 cresize(e->xconfigure.width, e->xconfigure.height);
1740 ttyresize(win.tw, win.th);
1747 int w = win.w, h = win.h;
1749 int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
1750 struct timespec drawtimeout, *tv = NULL, now, last, lastblink;
1753 /* Waiting for window mapping */
1755 XNextEvent(xw.dpy, &ev);
1757 * This XFilterEvent call is required because of XOpenIM. It
1758 * does filter out the key event and some client message for
1759 * the input method too.
1761 if (XFilterEvent(&ev, None))
1763 if (ev.type == ConfigureNotify) {
1764 w = ev.xconfigure.width;
1765 h = ev.xconfigure.height;
1767 } while (ev.type != MapNotify);
1770 ttynew(opt_line, opt_io, opt_cmd);
1771 ttyresize(win.tw, win.th);
1773 clock_gettime(CLOCK_MONOTONIC, &last);
1776 for (xev = actionfps;;) {
1778 FD_SET(cmdfd, &rfd);
1781 if (pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
1784 die("select failed: %s\n", strerror(errno));
1786 if (FD_ISSET(cmdfd, &rfd)) {
1789 blinkset = tattrset(ATTR_BLINK);
1791 MODBIT(term.mode, 0, MODE_BLINK);
1795 if (FD_ISSET(xfd, &rfd))
1798 clock_gettime(CLOCK_MONOTONIC, &now);
1799 drawtimeout.tv_sec = 0;
1800 drawtimeout.tv_nsec = (1000 * 1E6)/ xfps;
1804 if (blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
1805 tsetdirtattr(ATTR_BLINK);
1806 term.mode ^= MODE_BLINK;
1810 deltatime = TIMEDIFF(now, last);
1811 if (deltatime > 1000 / (xev ? xfps : actionfps)) {
1817 while (XPending(xw.dpy)) {
1818 XNextEvent(xw.dpy, &ev);
1819 if (XFilterEvent(&ev, None))
1821 if (handler[ev.type])
1822 (handler[ev.type])(&ev);
1828 if (xev && !FD_ISSET(xfd, &rfd))
1830 if (!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
1832 if (TIMEDIFF(now, lastblink) \
1834 drawtimeout.tv_nsec = 1000;
1836 drawtimeout.tv_nsec = (1E6 * \
1841 drawtimeout.tv_sec = \
1842 drawtimeout.tv_nsec / 1E9;
1843 drawtimeout.tv_nsec %= (long)1E9;
1855 die("usage: %s [-aiv] [-c class] [-f font] [-g geometry]"
1856 " [-n name] [-o file]\n"
1857 " [-T title] [-t title] [-w windowid]"
1858 " [[-e] command [args ...]]\n"
1859 " %s [-aiv] [-c class] [-f font] [-g geometry]"
1860 " [-n name] [-o file]\n"
1861 " [-T title] [-t title] [-w windowid] -l line"
1862 " [stty_args ...]\n", argv0, argv0);
1866 main(int argc, char *argv[])
1870 win.cursor = cursorshape;
1877 opt_class = EARGF(usage());
1884 opt_font = EARGF(usage());
1887 xw.gm = XParseGeometry(EARGF(usage()),
1888 &xw.l, &xw.t, &cols, &rows);
1894 opt_io = EARGF(usage());
1897 opt_line = EARGF(usage());
1900 opt_name = EARGF(usage());
1904 opt_title = EARGF(usage());
1907 opt_embed = EARGF(usage());
1910 die("%s " VERSION " (c) 2010-2016 st engineers\n", argv0);
1918 /* eat all remaining arguments */
1920 if (!opt_title && !opt_line)
1921 opt_title = basename(xstrdup(argv[0]));
1923 setlocale(LC_CTYPE, "");
1924 XSetLocaleModifiers("");
1925 tnew(MAX(cols, 1), MAX(rows, 1));