1 /* See LICENSE for license details. */
6 #include <sys/select.h>
10 #include <X11/Xatom.h>
12 #include <X11/cursorfont.h>
13 #include <X11/keysym.h>
14 #include <X11/Xft/Xft.h>
15 #include <X11/XKBlib.h>
22 /* types used in config.h */
26 void (*func)(const Arg *);
40 /* three-valued logic variables: 0 indifferent, 1 on, -1 off */
41 signed char appkey; /* application keypad */
42 signed char appcursor; /* application cursor */
46 #define XK_ANY_MOD UINT_MAX
48 #define XK_SWITCH_MOD (1<<13)
50 /* function definitions used in config.h */
51 static void clipcopy(const Arg *);
52 static void clippaste(const Arg *);
53 static void numlock(const Arg *);
54 static void selpaste(const Arg *);
55 static void zoom(const Arg *);
56 static void zoomabs(const Arg *);
57 static void zoomreset(const Arg *);
59 /* config.h for applying patches and the configuration. */
63 #define XEMBED_FOCUS_IN 4
64 #define XEMBED_FOCUS_OUT 5
67 #define IS_SET(flag) ((win.mode & (flag)) != 0)
68 #define TRUERED(x) (((x) & 0xff0000) >> 8)
69 #define TRUEGREEN(x) (((x) & 0xff00))
70 #define TRUEBLUE(x) (((x) & 0xff) << 8)
72 typedef XftDraw *Draw;
73 typedef XftColor Color;
74 typedef XftGlyphFontSpec GlyphFontSpec;
76 /* Purely graphic info */
78 int tw, th; /* tty width and height */
79 int w, h; /* window width and height */
80 int ch; /* char height */
81 int cw; /* char width */
82 int mode; /* window state/mode flags */
83 int cursor; /* cursor style */
91 GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
92 Atom xembed, wmdeletewin, netwmname, netwmpid;
97 XSetWindowAttributes attrs;
99 int isfixed; /* is fixed geometry? */
100 int l, t; /* left and top offset */
101 int gm; /* geometry mask */
106 char *primary, *clipboard;
107 struct timespec tclick1;
108 struct timespec tclick2;
127 /* Drawing Context */
131 Font font, bfont, ifont, ibfont;
135 static inline ushort sixd_to_16bit(int);
136 static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
137 static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
138 static void xdrawglyph(Glyph, int, int);
139 static void xclear(int, int, int, int);
140 static int xgeommasktogravity(int);
141 static void xinit(int, int);
142 static void cresize(int, int);
143 static void xresize(int, int);
144 static void xhints(void);
145 static int xloadcolor(int, const char *, Color *);
146 static int xloadfont(Font *, FcPattern *);
147 static void xloadfonts(char *, double);
148 static void xunloadfont(Font *);
149 static void xunloadfonts(void);
150 static void xsetenv(void);
151 static void xseturgency(int);
152 static int evcol(XEvent *);
153 static int evrow(XEvent *);
155 static void expose(XEvent *);
156 static void visibility(XEvent *);
157 static void unmap(XEvent *);
158 static void kpress(XEvent *);
159 static void cmessage(XEvent *);
160 static void resize(XEvent *);
161 static void focus(XEvent *);
162 static void brelease(XEvent *);
163 static void bpress(XEvent *);
164 static void bmotion(XEvent *);
165 static void propnotify(XEvent *);
166 static void selnotify(XEvent *);
167 static void selclear_(XEvent *);
168 static void selrequest(XEvent *);
169 static void setsel(char *, Time);
170 static void mousesel(XEvent *, int);
171 static void mousereport(XEvent *);
172 static char *kmap(KeySym, uint);
173 static int match(uint, uint);
175 static void run(void);
176 static void usage(void);
178 static void (*handler[LASTEvent])(XEvent *) = {
180 [ClientMessage] = cmessage,
181 [ConfigureNotify] = resize,
182 [VisibilityNotify] = visibility,
183 [UnmapNotify] = unmap,
187 [MotionNotify] = bmotion,
188 [ButtonPress] = bpress,
189 [ButtonRelease] = brelease,
191 * Uncomment if you want the selection to disappear when you select something
192 * different in another window.
194 /* [SelectionClear] = selclear_, */
195 [SelectionNotify] = selnotify,
197 * PropertyNotify is only turned on when there is some INCR transfer happening
198 * for the selection retrieval.
200 [PropertyNotify] = propnotify,
201 [SelectionRequest] = selrequest,
207 static XSelection xsel;
208 static TermWindow win;
210 /* Font Ring Cache */
224 /* Fontcache is an array now. A new font will be appended to the array. */
225 static Fontcache frc[16];
226 static int frclen = 0;
227 static char *usedfont = NULL;
228 static double usedfontsize = 0;
229 static double defaultfontsize = 0;
231 static char *opt_class = NULL;
232 static char **opt_cmd = NULL;
233 static char *opt_embed = NULL;
234 static char *opt_font = NULL;
235 static char *opt_io = NULL;
236 static char *opt_line = NULL;
237 static char *opt_name = NULL;
238 static char *opt_title = NULL;
240 static int oldbutton = 3; /* button event on startup: 3 = release */
243 clipcopy(const Arg *dummy)
247 if (xsel.clipboard != NULL)
248 free(xsel.clipboard);
250 if (xsel.primary != NULL) {
251 xsel.clipboard = xstrdup(xsel.primary);
252 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
253 XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
258 clippaste(const Arg *dummy)
262 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
263 XConvertSelection(xw.dpy, clipboard, xsel.xtarget, clipboard,
264 xw.win, CurrentTime);
268 selpaste(const Arg *dummy)
270 XConvertSelection(xw.dpy, XA_PRIMARY, xsel.xtarget, XA_PRIMARY,
271 xw.win, CurrentTime);
275 numlock(const Arg *dummy)
277 win.mode ^= MODE_NUMLOCK;
285 larg.f = usedfontsize + arg->f;
290 zoomabs(const Arg *arg)
293 xloadfonts(usedfont, arg->f);
300 zoomreset(const Arg *arg)
304 if (defaultfontsize > 0) {
305 larg.f = defaultfontsize;
313 int x = e->xbutton.x - borderpx;
314 LIMIT(x, 0, win.tw - 1);
321 int y = e->xbutton.y - borderpx;
322 LIMIT(y, 0, win.th - 1);
327 mousesel(XEvent *e, int done)
329 int type, seltype = SEL_REGULAR;
330 uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
332 for (type = 1; type < LEN(selmasks); ++type) {
333 if (match(selmasks[type], state)) {
338 selextend(evcol(e), evrow(e), seltype, done);
340 setsel(getsel(), e->xbutton.time);
344 mousereport(XEvent *e)
346 int len, x = evcol(e), y = evrow(e),
347 button = e->xbutton.button, state = e->xbutton.state;
352 if (e->xbutton.type == MotionNotify) {
353 if (x == ox && y == oy)
355 if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
357 /* MOUSE_MOTION: no reporting if no button is pressed */
358 if (IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
361 button = oldbutton + 32;
365 if (!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
372 if (e->xbutton.type == ButtonPress) {
376 } else if (e->xbutton.type == ButtonRelease) {
378 /* MODE_MOUSEX10: no button release reporting */
379 if (IS_SET(MODE_MOUSEX10))
381 if (button == 64 || button == 65)
386 if (!IS_SET(MODE_MOUSEX10)) {
387 button += ((state & ShiftMask ) ? 4 : 0)
388 + ((state & Mod4Mask ) ? 8 : 0)
389 + ((state & ControlMask) ? 16 : 0);
392 if (IS_SET(MODE_MOUSESGR)) {
393 len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
395 e->xbutton.type == ButtonRelease ? 'm' : 'M');
396 } else if (x < 223 && y < 223) {
397 len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
398 32+button, 32+x+1, 32+y+1);
403 ttywrite(buf, len, 0);
413 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
418 for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
419 if (e->xbutton.button == ms->b
420 && match(ms->mask, e->xbutton.state)) {
421 ttywrite(ms->s, strlen(ms->s), 1);
426 if (e->xbutton.button == Button1) {
428 * If the user clicks below predefined timeouts specific
429 * snapping behaviour is exposed.
431 clock_gettime(CLOCK_MONOTONIC, &now);
432 if (TIMEDIFF(now, xsel.tclick2) <= tripleclicktimeout) {
434 } else if (TIMEDIFF(now, xsel.tclick1) <= doubleclicktimeout) {
439 xsel.tclick2 = xsel.tclick1;
442 selstart(evcol(e), evrow(e), snap);
447 propnotify(XEvent *e)
449 XPropertyEvent *xpev;
450 Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
452 xpev = &e->xproperty;
453 if (xpev->state == PropertyNewValue &&
454 (xpev->atom == XA_PRIMARY ||
455 xpev->atom == clipboard)) {
463 ulong nitems, ofs, rem;
465 uchar *data, *last, *repl;
466 Atom type, incratom, property = None;
468 incratom = XInternAtom(xw.dpy, "INCR", 0);
471 if (e->type == SelectionNotify)
472 property = e->xselection.property;
473 else if (e->type == PropertyNotify)
474 property = e->xproperty.atom;
476 if (property == None)
480 if (XGetWindowProperty(xw.dpy, xw.win, property, ofs,
481 BUFSIZ/4, False, AnyPropertyType,
482 &type, &format, &nitems, &rem,
484 fprintf(stderr, "Clipboard allocation failed\n");
488 if (e->type == PropertyNotify && nitems == 0 && rem == 0) {
490 * If there is some PropertyNotify with no data, then
491 * this is the signal of the selection owner that all
492 * data has been transferred. We won't need to receive
493 * PropertyNotify events anymore.
495 MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask);
496 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
500 if (type == incratom) {
502 * Activate the PropertyNotify events so we receive
503 * when the selection owner does send us the next
506 MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask);
507 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
511 * Deleting the property is the transfer start signal.
513 XDeleteProperty(xw.dpy, xw.win, (int)property);
519 * Line endings are inconsistent in the terminal and GUI world
520 * copy and pasting. When receiving some selection data,
521 * replace all '\n' with '\r'.
522 * FIXME: Fix the computer world.
525 last = data + nitems * format / 8;
526 while ((repl = memchr(repl, '\n', last - repl))) {
530 if (IS_SET(MODE_BRCKTPASTE) && ofs == 0)
531 ttywrite("\033[200~", 6, 0);
532 ttywrite((char *)data, nitems * format / 8, 1);
533 if (IS_SET(MODE_BRCKTPASTE) && rem == 0)
534 ttywrite("\033[201~", 6, 0);
536 /* number of 32-bit chunks returned */
537 ofs += nitems * format / 32;
541 * Deleting the property again tells the selection owner to send the
542 * next data chunk in the property.
544 XDeleteProperty(xw.dpy, xw.win, (int)property);
560 selrequest(XEvent *e)
562 XSelectionRequestEvent *xsre;
564 Atom xa_targets, string, clipboard;
567 xsre = (XSelectionRequestEvent *) e;
568 xev.type = SelectionNotify;
569 xev.requestor = xsre->requestor;
570 xev.selection = xsre->selection;
571 xev.target = xsre->target;
572 xev.time = xsre->time;
573 if (xsre->property == None)
574 xsre->property = xsre->target;
579 xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
580 if (xsre->target == xa_targets) {
581 /* respond with the supported type */
582 string = xsel.xtarget;
583 XChangeProperty(xsre->display, xsre->requestor, xsre->property,
584 XA_ATOM, 32, PropModeReplace,
585 (uchar *) &string, 1);
586 xev.property = xsre->property;
587 } else if (xsre->target == xsel.xtarget || xsre->target == XA_STRING) {
589 * xith XA_STRING non ascii characters may be incorrect in the
590 * requestor. It is not our problem, use utf8.
592 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
593 if (xsre->selection == XA_PRIMARY) {
594 seltext = xsel.primary;
595 } else if (xsre->selection == clipboard) {
596 seltext = xsel.clipboard;
599 "Unhandled clipboard selection 0x%lx\n",
603 if (seltext != NULL) {
604 XChangeProperty(xsre->display, xsre->requestor,
605 xsre->property, xsre->target,
607 (uchar *)seltext, strlen(seltext));
608 xev.property = xsre->property;
612 /* all done, send a notification to the listener */
613 if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev))
614 fprintf(stderr, "Error sending SelectionNotify event\n");
618 setsel(char *str, Time t)
623 XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
624 if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
631 setsel(str, CurrentTime);
637 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
642 if (e->xbutton.button == Button2)
644 else if (e->xbutton.button == Button1)
651 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
660 cresize(int width, int height)
669 col = (win.w - 2 * borderpx) / win.cw;
670 row = (win.h - 2 * borderpx) / win.ch;
674 ttyresize(win.tw, win.th);
678 xresize(int col, int row)
680 win.tw = MAX(1, col * win.cw);
681 win.th = MAX(1, row * win.ch);
683 XFreePixmap(xw.dpy, xw.buf);
684 xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
685 DefaultDepth(xw.dpy, xw.scr));
686 XftDrawChange(xw.draw, xw.buf);
687 xclear(0, 0, win.w, win.h);
689 /* resize to new width */
690 xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec));
696 return x == 0 ? 0 : 0x3737 + 0x2828 * x;
700 xloadcolor(int i, const char *name, Color *ncolor)
702 XRenderColor color = { .alpha = 0xffff };
705 if (BETWEEN(i, 16, 255)) { /* 256 color */
706 if (i < 6*6*6+16) { /* same colors as xterm */
707 color.red = sixd_to_16bit( ((i-16)/36)%6 );
708 color.green = sixd_to_16bit( ((i-16)/6) %6 );
709 color.blue = sixd_to_16bit( ((i-16)/1) %6 );
710 } else { /* greyscale */
711 color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16));
712 color.green = color.blue = color.red;
714 return XftColorAllocValue(xw.dpy, xw.vis,
715 xw.cmap, &color, ncolor);
720 return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
730 dc.collen = MAX(LEN(colorname), 256);
731 dc.col = xmalloc(dc.collen * sizeof(Color));
734 for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp)
735 XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
738 for (i = 0; i < dc.collen; i++)
739 if (!xloadcolor(i, NULL, &dc.col[i])) {
741 die("Could not allocate color '%s'\n", colorname[i]);
743 die("Could not allocate color %d\n", i);
749 xsetcolorname(int x, const char *name)
753 if (!BETWEEN(x, 0, dc.collen))
757 if (!xloadcolor(x, name, &ncolor))
760 XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
767 * Absolute coordinates.
770 xclear(int x1, int y1, int x2, int y2)
773 &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
774 x1, y1, x2-x1, y2-y1);
780 XClassHint class = {opt_name ? opt_name : termname,
781 opt_class ? opt_class : termname};
782 XWMHints wm = {.flags = InputHint, .input = 1};
785 sizeh = XAllocSizeHints();
787 sizeh->flags = PSize | PResizeInc | PBaseSize;
788 sizeh->height = win.h;
789 sizeh->width = win.w;
790 sizeh->height_inc = win.ch;
791 sizeh->width_inc = win.cw;
792 sizeh->base_height = 2 * borderpx;
793 sizeh->base_width = 2 * borderpx;
795 sizeh->flags |= PMaxSize | PMinSize;
796 sizeh->min_width = sizeh->max_width = win.w;
797 sizeh->min_height = sizeh->max_height = win.h;
799 if (xw.gm & (XValue|YValue)) {
800 sizeh->flags |= USPosition | PWinGravity;
803 sizeh->win_gravity = xgeommasktogravity(xw.gm);
806 XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm,
812 xgeommasktogravity(int mask)
814 switch (mask & (XNegative|YNegative)) {
816 return NorthWestGravity;
818 return NorthEastGravity;
820 return SouthWestGravity;
823 return SouthEastGravity;
827 xloadfont(Font *f, FcPattern *pattern)
829 FcPattern *configured;
833 int wantattr, haveattr;
836 * Manually configure instead of calling XftMatchFont
837 * so that we can use the configured pattern for
838 * "missing glyph" lookups.
840 configured = FcPatternDuplicate(pattern);
844 FcConfigSubstitute(NULL, configured, FcMatchPattern);
845 XftDefaultSubstitute(xw.dpy, xw.scr, configured);
847 match = FcFontMatch(NULL, configured, &result);
849 FcPatternDestroy(configured);
853 if (!(f->match = XftFontOpenPattern(xw.dpy, match))) {
854 FcPatternDestroy(configured);
855 FcPatternDestroy(match);
859 if ((XftPatternGetInteger(pattern, "slant", 0, &wantattr) ==
862 * Check if xft was unable to find a font with the appropriate
863 * slant but gave us one anyway. Try to mitigate.
865 if ((XftPatternGetInteger(f->match->pattern, "slant", 0,
866 &haveattr) != XftResultMatch) || haveattr < wantattr) {
868 fputs("st: font slant does not match\n", stderr);
872 if ((XftPatternGetInteger(pattern, "weight", 0, &wantattr) ==
874 if ((XftPatternGetInteger(f->match->pattern, "weight", 0,
875 &haveattr) != XftResultMatch) || haveattr != wantattr) {
877 fputs("st: font weight does not match\n", stderr);
881 XftTextExtentsUtf8(xw.dpy, f->match,
882 (const FcChar8 *) ascii_printable,
883 strlen(ascii_printable), &extents);
886 f->pattern = configured;
888 f->ascent = f->match->ascent;
889 f->descent = f->match->descent;
891 f->rbearing = f->match->max_advance_width;
893 f->height = f->ascent + f->descent;
894 f->width = DIVCEIL(extents.xOff, strlen(ascii_printable));
900 xloadfonts(char *fontstr, double fontsize)
906 if (fontstr[0] == '-') {
907 pattern = XftXlfdParse(fontstr, False, False);
909 pattern = FcNameParse((FcChar8 *)fontstr);
913 die("st: can't open font %s\n", fontstr);
916 FcPatternDel(pattern, FC_PIXEL_SIZE);
917 FcPatternDel(pattern, FC_SIZE);
918 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
919 usedfontsize = fontsize;
921 if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
923 usedfontsize = fontval;
924 } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) ==
929 * Default font size is 12, if none given. This is to
930 * have a known usedfontsize value.
932 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
935 defaultfontsize = usedfontsize;
938 if (xloadfont(&dc.font, pattern))
939 die("st: can't open font %s\n", fontstr);
941 if (usedfontsize < 0) {
942 FcPatternGetDouble(dc.font.match->pattern,
943 FC_PIXEL_SIZE, 0, &fontval);
944 usedfontsize = fontval;
946 defaultfontsize = fontval;
949 /* Setting character width and height. */
950 win.cw = ceilf(dc.font.width * cwscale);
951 win.ch = ceilf(dc.font.height * chscale);
953 FcPatternDel(pattern, FC_SLANT);
954 FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
955 if (xloadfont(&dc.ifont, pattern))
956 die("st: can't open font %s\n", fontstr);
958 FcPatternDel(pattern, FC_WEIGHT);
959 FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
960 if (xloadfont(&dc.ibfont, pattern))
961 die("st: can't open font %s\n", fontstr);
963 FcPatternDel(pattern, FC_SLANT);
964 FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
965 if (xloadfont(&dc.bfont, pattern))
966 die("st: can't open font %s\n", fontstr);
968 FcPatternDestroy(pattern);
974 XftFontClose(xw.dpy, f->match);
975 FcPatternDestroy(f->pattern);
977 FcFontSetDestroy(f->set);
983 /* Free the loaded fonts in the font cache. */
985 XftFontClose(xw.dpy, frc[--frclen].font);
987 xunloadfont(&dc.font);
988 xunloadfont(&dc.bfont);
989 xunloadfont(&dc.ifont);
990 xunloadfont(&dc.ibfont);
994 xinit(int cols, int rows)
999 pid_t thispid = getpid();
1000 XColor xmousefg, xmousebg;
1002 if (!(xw.dpy = XOpenDisplay(NULL)))
1003 die("Can't open display\n");
1004 xw.scr = XDefaultScreen(xw.dpy);
1005 xw.vis = XDefaultVisual(xw.dpy, xw.scr);
1009 die("Could not init fontconfig.\n");
1011 usedfont = (opt_font == NULL)? font : opt_font;
1012 xloadfonts(usedfont, 0);
1015 xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
1018 /* adjust fixed window geometry */
1019 win.w = 2 * borderpx + cols * win.cw;
1020 win.h = 2 * borderpx + rows * win.ch;
1021 if (xw.gm & XNegative)
1022 xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2;
1023 if (xw.gm & YNegative)
1024 xw.t += DisplayHeight(xw.dpy, xw.scr) - win.h - 2;
1027 xw.attrs.background_pixel = dc.col[defaultbg].pixel;
1028 xw.attrs.border_pixel = dc.col[defaultbg].pixel;
1029 xw.attrs.bit_gravity = NorthWestGravity;
1030 xw.attrs.event_mask = FocusChangeMask | KeyPressMask
1031 | ExposureMask | VisibilityChangeMask | StructureNotifyMask
1032 | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
1033 xw.attrs.colormap = xw.cmap;
1035 if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
1036 parent = XRootWindow(xw.dpy, xw.scr);
1037 xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
1038 win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
1039 xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
1040 | CWEventMask | CWColormap, &xw.attrs);
1042 memset(&gcvalues, 0, sizeof(gcvalues));
1043 gcvalues.graphics_exposures = False;
1044 dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
1046 xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
1047 DefaultDepth(xw.dpy, xw.scr));
1048 XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
1049 XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
1051 /* font spec buffer */
1052 xw.specbuf = xmalloc(cols * sizeof(GlyphFontSpec));
1054 /* Xft rendering context */
1055 xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
1058 if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
1059 XSetLocaleModifiers("@im=local");
1060 if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
1061 XSetLocaleModifiers("@im=");
1062 if ((xw.xim = XOpenIM(xw.dpy,
1063 NULL, NULL, NULL)) == NULL) {
1064 die("XOpenIM failed. Could not open input"
1069 xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
1070 | XIMStatusNothing, XNClientWindow, xw.win,
1071 XNFocusWindow, xw.win, NULL);
1073 die("XCreateIC failed. Could not obtain input method.\n");
1075 /* white cursor, black outline */
1076 cursor = XCreateFontCursor(xw.dpy, mouseshape);
1077 XDefineCursor(xw.dpy, xw.win, cursor);
1079 if (XParseColor(xw.dpy, xw.cmap, colorname[mousefg], &xmousefg) == 0) {
1080 xmousefg.red = 0xffff;
1081 xmousefg.green = 0xffff;
1082 xmousefg.blue = 0xffff;
1085 if (XParseColor(xw.dpy, xw.cmap, colorname[mousebg], &xmousebg) == 0) {
1086 xmousebg.red = 0x0000;
1087 xmousebg.green = 0x0000;
1088 xmousebg.blue = 0x0000;
1091 XRecolorCursor(xw.dpy, cursor, &xmousefg, &xmousebg);
1093 xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
1094 xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
1095 xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
1096 XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
1098 xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
1099 XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
1100 PropModeReplace, (uchar *)&thispid, 1);
1102 win.mode = MODE_NUMLOCK;
1104 XMapWindow(xw.dpy, xw.win);
1106 XSync(xw.dpy, False);
1108 clock_gettime(CLOCK_MONOTONIC, &xsel.tclick1);
1109 clock_gettime(CLOCK_MONOTONIC, &xsel.tclick2);
1110 xsel.primary = NULL;
1111 xsel.clipboard = NULL;
1112 xsel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
1113 if (xsel.xtarget == None)
1114 xsel.xtarget = XA_STRING;
1118 xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
1120 float winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, xp, yp;
1121 ushort mode, prevmode = USHRT_MAX;
1122 Font *font = &dc.font;
1123 int frcflags = FRC_NORMAL;
1124 float runewidth = win.cw;
1128 FcPattern *fcpattern, *fontpattern;
1129 FcFontSet *fcsets[] = { NULL };
1130 FcCharSet *fccharset;
1131 int i, f, numspecs = 0;
1133 for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) {
1134 /* Fetch rune and mode for current glyph. */
1136 mode = glyphs[i].mode;
1138 /* Skip dummy wide-character spacing. */
1139 if (mode == ATTR_WDUMMY)
1142 /* Determine font for glyph if different from previous glyph. */
1143 if (prevmode != mode) {
1146 frcflags = FRC_NORMAL;
1147 runewidth = win.cw * ((mode & ATTR_WIDE) ? 2.0f : 1.0f);
1148 if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
1150 frcflags = FRC_ITALICBOLD;
1151 } else if (mode & ATTR_ITALIC) {
1153 frcflags = FRC_ITALIC;
1154 } else if (mode & ATTR_BOLD) {
1156 frcflags = FRC_BOLD;
1158 yp = winy + font->ascent;
1161 /* Lookup character index with default font. */
1162 glyphidx = XftCharIndex(xw.dpy, font->match, rune);
1164 specs[numspecs].font = font->match;
1165 specs[numspecs].glyph = glyphidx;
1166 specs[numspecs].x = (short)xp;
1167 specs[numspecs].y = (short)yp;
1173 /* Fallback on font cache, search the font cache for match. */
1174 for (f = 0; f < frclen; f++) {
1175 glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
1176 /* Everything correct. */
1177 if (glyphidx && frc[f].flags == frcflags)
1179 /* We got a default font for a not found glyph. */
1180 if (!glyphidx && frc[f].flags == frcflags
1181 && frc[f].unicodep == rune) {
1186 /* Nothing was found. Use fontconfig to find matching font. */
1189 font->set = FcFontSort(0, font->pattern,
1191 fcsets[0] = font->set;
1194 * Nothing was found in the cache. Now use
1195 * some dozen of Fontconfig calls to get the
1196 * font for one single character.
1198 * Xft and fontconfig are design failures.
1200 fcpattern = FcPatternDuplicate(font->pattern);
1201 fccharset = FcCharSetCreate();
1203 FcCharSetAddChar(fccharset, rune);
1204 FcPatternAddCharSet(fcpattern, FC_CHARSET,
1206 FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
1208 FcConfigSubstitute(0, fcpattern,
1210 FcDefaultSubstitute(fcpattern);
1212 fontpattern = FcFontSetMatch(0, fcsets, 1,
1216 * Overwrite or create the new cache entry.
1218 if (frclen >= LEN(frc)) {
1219 frclen = LEN(frc) - 1;
1220 XftFontClose(xw.dpy, frc[frclen].font);
1221 frc[frclen].unicodep = 0;
1224 frc[frclen].font = XftFontOpenPattern(xw.dpy,
1226 if (!frc[frclen].font)
1227 die("XftFontOpenPattern failed seeking fallback font: %s\n",
1229 frc[frclen].flags = frcflags;
1230 frc[frclen].unicodep = rune;
1232 glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
1237 FcPatternDestroy(fcpattern);
1238 FcCharSetDestroy(fccharset);
1241 specs[numspecs].font = frc[f].font;
1242 specs[numspecs].glyph = glyphidx;
1243 specs[numspecs].x = (short)xp;
1244 specs[numspecs].y = (short)yp;
1253 xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
1255 int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
1256 int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch,
1257 width = charlen * win.cw;
1258 Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
1259 XRenderColor colfg, colbg;
1262 /* Fallback on color display for attributes not supported by the font */
1263 if (base.mode & ATTR_ITALIC && base.mode & ATTR_BOLD) {
1264 if (dc.ibfont.badslant || dc.ibfont.badweight)
1265 base.fg = defaultattr;
1266 } else if ((base.mode & ATTR_ITALIC && dc.ifont.badslant) ||
1267 (base.mode & ATTR_BOLD && dc.bfont.badweight)) {
1268 base.fg = defaultattr;
1271 if (IS_TRUECOL(base.fg)) {
1272 colfg.alpha = 0xffff;
1273 colfg.red = TRUERED(base.fg);
1274 colfg.green = TRUEGREEN(base.fg);
1275 colfg.blue = TRUEBLUE(base.fg);
1276 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
1279 fg = &dc.col[base.fg];
1282 if (IS_TRUECOL(base.bg)) {
1283 colbg.alpha = 0xffff;
1284 colbg.green = TRUEGREEN(base.bg);
1285 colbg.red = TRUERED(base.bg);
1286 colbg.blue = TRUEBLUE(base.bg);
1287 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
1290 bg = &dc.col[base.bg];
1293 /* Change basic system colors [0-7] to bright system colors [8-15] */
1294 if ((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7))
1295 fg = &dc.col[base.fg + 8];
1297 if (IS_SET(MODE_REVERSE)) {
1298 if (fg == &dc.col[defaultfg]) {
1299 fg = &dc.col[defaultbg];
1301 colfg.red = ~fg->color.red;
1302 colfg.green = ~fg->color.green;
1303 colfg.blue = ~fg->color.blue;
1304 colfg.alpha = fg->color.alpha;
1305 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
1310 if (bg == &dc.col[defaultbg]) {
1311 bg = &dc.col[defaultfg];
1313 colbg.red = ~bg->color.red;
1314 colbg.green = ~bg->color.green;
1315 colbg.blue = ~bg->color.blue;
1316 colbg.alpha = bg->color.alpha;
1317 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
1323 if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) {
1324 colfg.red = fg->color.red / 2;
1325 colfg.green = fg->color.green / 2;
1326 colfg.blue = fg->color.blue / 2;
1327 colfg.alpha = fg->color.alpha;
1328 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
1332 if (base.mode & ATTR_REVERSE) {
1338 if (base.mode & ATTR_BLINK && win.mode & MODE_BLINK)
1341 if (base.mode & ATTR_INVISIBLE)
1344 /* Intelligent cleaning up of the borders. */
1346 xclear(0, (y == 0)? 0 : winy, borderpx,
1348 ((winy + win.ch >= borderpx + win.th)? win.h : 0));
1350 if (winx + width >= borderpx + win.tw) {
1351 xclear(winx + width, (y == 0)? 0 : winy, win.w,
1352 ((winy + win.ch >= borderpx + win.th)? win.h : (winy + win.ch)));
1355 xclear(winx, 0, winx + width, borderpx);
1356 if (winy + win.ch >= borderpx + win.th)
1357 xclear(winx, winy + win.ch, winx + width, win.h);
1359 /* Clean up the region we want to draw to. */
1360 XftDrawRect(xw.draw, bg, winx, winy, width, win.ch);
1362 /* Set the clip region because Xft is sometimes dirty. */
1367 XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
1369 /* Render the glyphs. */
1370 XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
1372 /* Render underline and strikethrough. */
1373 if (base.mode & ATTR_UNDERLINE) {
1374 XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1,
1378 if (base.mode & ATTR_STRUCK) {
1379 XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3,
1383 /* Reset clip to none. */
1384 XftDrawSetClip(xw.draw, 0);
1388 xdrawglyph(Glyph g, int x, int y)
1391 XftGlyphFontSpec spec;
1393 numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
1394 xdrawglyphfontspecs(&spec, g, numspecs, x, y);
1398 xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
1402 /* remove the old cursor */
1403 if (selected(ox, oy))
1404 og.mode ^= ATTR_REVERSE;
1405 xdrawglyph(og, ox, oy);
1407 if (IS_SET(MODE_HIDE))
1411 * Select the right color for the right mode.
1413 g.mode &= ATTR_BOLD|ATTR_ITALIC|ATTR_UNDERLINE|ATTR_STRUCK|ATTR_WIDE;
1415 if (IS_SET(MODE_REVERSE)) {
1416 g.mode |= ATTR_REVERSE;
1418 if (selected(cx, cy)) {
1419 drawcol = dc.col[defaultcs];
1422 drawcol = dc.col[defaultrcs];
1426 if (selected(cx, cy)) {
1433 drawcol = dc.col[g.bg];
1436 /* draw the new one */
1437 if (IS_SET(MODE_FOCUSED)) {
1438 switch (win.cursor) {
1439 case 7: /* st extension: snowman (U+2603) */
1441 case 0: /* Blinking Block */
1442 case 1: /* Blinking Block (Default) */
1443 case 2: /* Steady Block */
1444 xdrawglyph(g, cx, cy);
1446 case 3: /* Blinking Underline */
1447 case 4: /* Steady Underline */
1448 XftDrawRect(xw.draw, &drawcol,
1449 borderpx + cx * win.cw,
1450 borderpx + (cy + 1) * win.ch - \
1452 win.cw, cursorthickness);
1454 case 5: /* Blinking bar */
1455 case 6: /* Steady bar */
1456 XftDrawRect(xw.draw, &drawcol,
1457 borderpx + cx * win.cw,
1458 borderpx + cy * win.ch,
1459 cursorthickness, win.ch);
1463 XftDrawRect(xw.draw, &drawcol,
1464 borderpx + cx * win.cw,
1465 borderpx + cy * win.ch,
1467 XftDrawRect(xw.draw, &drawcol,
1468 borderpx + cx * win.cw,
1469 borderpx + cy * win.ch,
1471 XftDrawRect(xw.draw, &drawcol,
1472 borderpx + (cx + 1) * win.cw - 1,
1473 borderpx + cy * win.ch,
1475 XftDrawRect(xw.draw, &drawcol,
1476 borderpx + cx * win.cw,
1477 borderpx + (cy + 1) * win.ch - 1,
1485 char buf[sizeof(long) * 8 + 1];
1487 snprintf(buf, sizeof(buf), "%lu", xw.win);
1488 setenv("WINDOWID", buf, 1);
1497 Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
1499 XSetWMName(xw.dpy, xw.win, &prop);
1500 XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
1507 return IS_SET(MODE_VISIBLE);
1511 xdrawline(Line line, int x1, int y1, int x2)
1513 int i, x, ox, numspecs;
1515 XftGlyphFontSpec *specs = xw.specbuf;
1517 numspecs = xmakeglyphfontspecs(specs, &line[x1], x2 - x1, x1, y1);
1519 for (x = x1; x < x2 && i < numspecs; x++) {
1521 if (new.mode == ATTR_WDUMMY)
1523 if (selected(x, y1))
1524 new.mode ^= ATTR_REVERSE;
1525 if (i > 0 && ATTRCMP(base, new)) {
1526 xdrawglyphfontspecs(specs, base, i, ox, y1);
1538 xdrawglyphfontspecs(specs, base, i, ox, y1);
1544 XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w,
1546 XSetForeground(xw.dpy, dc.gc,
1547 dc.col[IS_SET(MODE_REVERSE)?
1548 defaultfg : defaultbg].pixel);
1558 visibility(XEvent *ev)
1560 XVisibilityEvent *e = &ev->xvisibility;
1562 MODBIT(win.mode, e->state != VisibilityFullyObscured, MODE_VISIBLE);
1568 win.mode &= ~MODE_VISIBLE;
1572 xsetpointermotion(int set)
1574 MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
1575 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
1579 xsetmode(int set, unsigned int flags)
1581 int mode = win.mode;
1582 MODBIT(win.mode, set, flags);
1583 if ((win.mode & MODE_REVERSE) != (mode & MODE_REVERSE))
1588 xsetcursor(int cursor)
1591 if (!BETWEEN(cursor, 0, 6))
1593 win.cursor = cursor;
1598 xseturgency(int add)
1600 XWMHints *h = XGetWMHints(xw.dpy, xw.win);
1602 MODBIT(h->flags, add, XUrgencyHint);
1603 XSetWMHints(xw.dpy, xw.win, h);
1610 if (!(IS_SET(MODE_FOCUSED)))
1613 XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL);
1619 XFocusChangeEvent *e = &ev->xfocus;
1621 if (e->mode == NotifyGrab)
1624 if (ev->type == FocusIn) {
1625 XSetICFocus(xw.xic);
1626 win.mode |= MODE_FOCUSED;
1628 if (IS_SET(MODE_FOCUS))
1629 ttywrite("\033[I", 3, 0);
1631 XUnsetICFocus(xw.xic);
1632 win.mode &= ~MODE_FOCUSED;
1633 if (IS_SET(MODE_FOCUS))
1634 ttywrite("\033[O", 3, 0);
1639 match(uint mask, uint state)
1641 return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
1645 kmap(KeySym k, uint state)
1650 /* Check for mapped keys out of X11 function keys. */
1651 for (i = 0; i < LEN(mappedkeys); i++) {
1652 if (mappedkeys[i] == k)
1655 if (i == LEN(mappedkeys)) {
1656 if ((k & 0xFFFF) < 0xFD00)
1660 for (kp = key; kp < key + LEN(key); kp++) {
1664 if (!match(kp->mask, state))
1667 if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
1669 if (IS_SET(MODE_NUMLOCK) && kp->appkey == 2)
1672 if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
1684 XKeyEvent *e = &ev->xkey;
1686 char buf[32], *customkey;
1692 if (IS_SET(MODE_KBDLOCK))
1695 len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);
1697 for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
1698 if (ksym == bp->keysym && match(bp->mod, e->state)) {
1699 bp->func(&(bp->arg));
1704 /* 2. custom keys from config.h */
1705 if ((customkey = kmap(ksym, e->state))) {
1706 ttywrite(customkey, strlen(customkey), 1);
1710 /* 3. composed string from input method */
1713 if (len == 1 && e->state & Mod1Mask) {
1714 if (IS_SET(MODE_8BIT)) {
1717 len = utf8encode(c, buf);
1725 ttywrite(buf, len, 1);
1734 * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
1736 if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
1737 if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
1738 win.mode |= MODE_FOCUSED;
1740 } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
1741 win.mode &= ~MODE_FOCUSED;
1743 } else if (e->xclient.data.l[0] == xw.wmdeletewin) {
1752 if (e->xconfigure.width == win.w && e->xconfigure.height == win.h)
1755 cresize(e->xconfigure.width, e->xconfigure.height);
1762 int w = win.w, h = win.h;
1764 int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
1766 struct timespec drawtimeout, *tv = NULL, now, last, lastblink;
1769 /* Waiting for window mapping */
1771 XNextEvent(xw.dpy, &ev);
1773 * This XFilterEvent call is required because of XOpenIM. It
1774 * does filter out the key event and some client message for
1775 * the input method too.
1777 if (XFilterEvent(&ev, None))
1779 if (ev.type == ConfigureNotify) {
1780 w = ev.xconfigure.width;
1781 h = ev.xconfigure.height;
1783 } while (ev.type != MapNotify);
1785 ttyfd = ttynew(opt_line, shell, opt_io, opt_cmd);
1788 clock_gettime(CLOCK_MONOTONIC, &last);
1791 for (xev = actionfps;;) {
1793 FD_SET(ttyfd, &rfd);
1796 if (pselect(MAX(xfd, ttyfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
1799 die("select failed: %s\n", strerror(errno));
1801 if (FD_ISSET(ttyfd, &rfd)) {
1804 blinkset = tattrset(ATTR_BLINK);
1806 MODBIT(win.mode, 0, MODE_BLINK);
1810 if (FD_ISSET(xfd, &rfd))
1813 clock_gettime(CLOCK_MONOTONIC, &now);
1814 drawtimeout.tv_sec = 0;
1815 drawtimeout.tv_nsec = (1000 * 1E6)/ xfps;
1819 if (blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
1820 tsetdirtattr(ATTR_BLINK);
1821 win.mode ^= MODE_BLINK;
1825 deltatime = TIMEDIFF(now, last);
1826 if (deltatime > 1000 / (xev ? xfps : actionfps)) {
1832 while (XPending(xw.dpy)) {
1833 XNextEvent(xw.dpy, &ev);
1834 if (XFilterEvent(&ev, None))
1836 if (handler[ev.type])
1837 (handler[ev.type])(&ev);
1843 if (xev && !FD_ISSET(xfd, &rfd))
1845 if (!FD_ISSET(ttyfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
1847 if (TIMEDIFF(now, lastblink) \
1849 drawtimeout.tv_nsec = 1000;
1851 drawtimeout.tv_nsec = (1E6 * \
1856 drawtimeout.tv_sec = \
1857 drawtimeout.tv_nsec / 1E9;
1858 drawtimeout.tv_nsec %= (long)1E9;
1870 die("usage: %s [-aiv] [-c class] [-f font] [-g geometry]"
1871 " [-n name] [-o file]\n"
1872 " [-T title] [-t title] [-w windowid]"
1873 " [[-e] command [args ...]]\n"
1874 " %s [-aiv] [-c class] [-f font] [-g geometry]"
1875 " [-n name] [-o file]\n"
1876 " [-T title] [-t title] [-w windowid] -l line"
1877 " [stty_args ...]\n", argv0, argv0);
1881 main(int argc, char *argv[])
1885 win.cursor = cursorshape;
1892 opt_class = EARGF(usage());
1899 opt_font = EARGF(usage());
1902 xw.gm = XParseGeometry(EARGF(usage()),
1903 &xw.l, &xw.t, &cols, &rows);
1909 opt_io = EARGF(usage());
1912 opt_line = EARGF(usage());
1915 opt_name = EARGF(usage());
1919 opt_title = EARGF(usage());
1922 opt_embed = EARGF(usage());
1925 die("%s " VERSION " (c) 2010-2016 st engineers\n", argv0);
1933 /* eat all remaining arguments */
1935 if (!opt_title && !opt_line)
1936 opt_title = basename(xstrdup(argv[0]));
1938 setlocale(LC_CTYPE, "");
1939 XSetLocaleModifiers("");
1940 cols = MAX(cols, 1);
1941 rows = MAX(rows, 1);