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[dmenu.git] / dmenu.c
1 /* See LICENSE file for copyright and license details. */
2 #include <ctype.h>
3 #include <locale.h>
4 #include <stdarg.h>
5 #include <stdio.h>
6 #include <stdlib.h>
7 #include <string.h>
8 #include <strings.h>
9 #include <unistd.h>
10 #include <X11/keysym.h>
11 #include <X11/Xlib.h>
12 #include <X11/Xutil.h>
13 #ifdef XINERAMA
14 #include <X11/extensions/Xinerama.h>
15 #endif
16
17 /* macros */
18 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
19 #define INRECT(X,Y,RX,RY,RW,RH) ((X) >= (RX) && (X) < (RX) + (RW) && (Y) >= (RY) && (Y) < (RY) + (RH))
20 #define MIN(a, b) ((a) < (b) ? (a) : (b))
21 #define MAX(a, b) ((a) > (b) ? (a) : (b))
22 #define IS_UTF8_1ST_CHAR(c) ((((c) & 0xc0) == 0xc0) || !((c) & 0x80))
23
24 /* enums */
25 enum { ColFG, ColBG, ColLast };
26
27 /* typedefs */
28 typedef struct {
29 int x, y, w, h;
30 unsigned long norm[ColLast];
31 unsigned long sel[ColLast];
32 Drawable drawable;
33 GC gc;
34 struct {
35 XFontStruct *xfont;
36 XFontSet set;
37 int ascent;
38 int descent;
39 int height;
40 } font;
41 } DC; /* draw context */
42
43 typedef struct Item Item;
44 struct Item {
45 char *text;
46 Item *next; /* traverses all items */
47 Item *left, *right; /* traverses items matching current search pattern */
48 };
49
50 /* forward declarations */
51 static void appenditem(Item *i, Item **list, Item **last);
52 static void calcoffsetsh(void);
53 static void calcoffsetsv(void);
54 static char *cistrstr(const char *s, const char *sub);
55 static void cleanup(void);
56 static void drawcursor(void);
57 static void drawmenu(void);
58 static void drawmenuh(void);
59 static void drawmenuv(void);
60 static void drawtext(const char *text, unsigned long col[ColLast]);
61 static void eprint(const char *errstr, ...);
62 static unsigned long getcolor(const char *colstr);
63 static Bool grabkeyboard(void);
64 static void initfont(const char *fontstr);
65 static void kpress(XKeyEvent * e);
66 static void match(char *pattern);
67 static void readstdin(void);
68 static void run(void);
69 static void setup(Bool topbar);
70 static int textnw(const char *text, unsigned int len);
71 static int textw(const char *text);
72
73 #include "config.h"
74
75 /* variables */
76 static char *maxname = NULL;
77 static char *prompt = NULL;
78 static char text[4096];
79 static int cmdw = 0;
80 static int promptw = 0;
81 static int ret = 0;
82 static int screen;
83 static unsigned int mw, mh;
84 static unsigned int cursor = 0;
85 static unsigned int numlockmask = 0;
86 static Bool running = True;
87 static Display *dpy;
88 static DC dc;
89 static Item *allitems = NULL; /* first of all items */
90 static Item *item = NULL; /* first of pattern matching items */
91 static Item *sel = NULL;
92 static Item *next = NULL;
93 static Item *prev = NULL;
94 static Item *curr = NULL;
95 static Window parent, win;
96 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
97 static char *(*fstrstr)(const char *, const char *) = strstr;
98 static unsigned int lines = 0;
99 static void (*calcoffsets)(void) = calcoffsetsh;
100
101 void
102 appenditem(Item *i, Item **list, Item **last) {
103 if(!(*last))
104 *list = i;
105 else
106 (*last)->right = i;
107 i->left = *last;
108 i->right = NULL;
109 *last = i;
110 }
111
112 void
113 calcoffsetsh(void) {
114 unsigned int w;
115
116 if(!curr)
117 return;
118 w = promptw + cmdw + 2 * spaceitem;
119 for(next = curr; next && w < mw; next=next->right)
120 w += MIN(textw(next->text), mw / 3);
121 w = promptw + cmdw + 2 * spaceitem;
122 for(prev = curr; prev && prev->left && w < mw; prev=prev->left)
123 w += MIN(textw(prev->left->text), mw / 3);
124 }
125
126 void
127 calcoffsetsv(void) {
128 unsigned int h;
129
130 if(!curr)
131 return;
132 h = (dc.font.height + 2) * lines;
133 for(next = curr; next && h > 0; next = next->right)
134 h -= dc.font.height + 2;
135 h = (dc.font.height + 2) * lines;
136 for(prev = curr; prev && prev->left && h > 0; prev = prev->left)
137 h -= dc.font.height + 2;
138 }
139
140 char *
141 cistrstr(const char *s, const char *sub) {
142 int c, csub;
143 unsigned int len;
144
145 if(!sub)
146 return (char *)s;
147 if((c = tolower(*sub++)) != '\0') {
148 len = strlen(sub);
149 do {
150 do {
151 if((csub = *s++) == '\0')
152 return NULL;
153 }
154 while(tolower(csub) != c);
155 }
156 while(strncasecmp(s, sub, len) != 0);
157 s--;
158 }
159 return (char *)s;
160 }
161
162 void
163 cleanup(void) {
164 if(dc.font.set)
165 XFreeFontSet(dpy, dc.font.set);
166 else
167 XFreeFont(dpy, dc.font.xfont);
168 XFreePixmap(dpy, dc.drawable);
169 XFreeGC(dpy, dc.gc);
170 XDestroyWindow(dpy, win);
171 XUngrabKeyboard(dpy, CurrentTime);
172 }
173
174 void
175 drawcursor(void) {
176 XRectangle r = { dc.x, dc.y + 2, 1, dc.font.height - 2 };
177
178 r.x += textnw(text, cursor) + dc.font.height / 2;
179
180 XSetForeground(dpy, dc.gc, dc.norm[ColFG]);
181 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
182 }
183
184 void
185 drawmenu(void) {
186 dc.x = 0;
187 dc.y = 0;
188 dc.w = mw;
189 dc.h = mh;
190 drawtext(NULL, dc.norm);
191 /* print prompt? */
192 if(prompt) {
193 dc.w = promptw;
194 drawtext(prompt, dc.sel);
195 dc.x += dc.w;
196 }
197 dc.w = mw - dc.x;
198 /* print command */
199 if(cmdw && item && lines == 0)
200 dc.w = cmdw;
201 drawtext(*text ? text : NULL, dc.norm);
202 drawcursor();
203 if(curr) {
204 if(lines > 0)
205 drawmenuv();
206 else
207 drawmenuh();
208 }
209 XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
210 XFlush(dpy);
211 }
212
213 void
214 drawmenuh(void) {
215 Item *i;
216
217 dc.x += cmdw;
218 dc.w = spaceitem;
219 drawtext(curr->left ? "<" : NULL, dc.norm);
220 dc.x += dc.w;
221 for(i = curr; i != next; i=i->right) {
222 dc.w = MIN(textw(i->text), mw / 3);
223 drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
224 dc.x += dc.w;
225 }
226 dc.w = spaceitem;
227 dc.x = mw - dc.w;
228 drawtext(next ? ">" : NULL, dc.norm);
229 }
230
231 void
232 drawmenuv(void) {
233 Item *i;
234
235 dc.w = mw - dc.x;
236 dc.h = dc.font.height + 2;
237 dc.y = dc.h;
238 for(i = curr; i != next; i=i->right) {
239 drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
240 dc.y += dc.h;
241 }
242 dc.h = mh - dc.y;
243 drawtext(NULL, dc.norm);
244 }
245
246 void
247 drawtext(const char *text, unsigned long col[ColLast]) {
248 char buf[256];
249 int i, x, y, h, len, olen;
250 XRectangle r = { dc.x, dc.y, dc.w, dc.h };
251
252 XSetForeground(dpy, dc.gc, col[ColBG]);
253 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
254 if(!text)
255 return;
256 olen = strlen(text);
257 h = dc.font.height;
258 y = dc.y + ((h+2) / 2) - (h / 2) + dc.font.ascent;
259 x = dc.x + (h / 2);
260 /* shorten text if necessary */
261 for(len = MIN(olen, sizeof buf); len && textnw(text, len) > dc.w - h; len--);
262 if(!len)
263 return;
264 memcpy(buf, text, len);
265 if(len < olen)
266 for(i = len; i && i > len - 3; buf[--i] = '.');
267 XSetForeground(dpy, dc.gc, col[ColFG]);
268 if(dc.font.set)
269 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
270 else
271 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
272 }
273
274 void
275 eprint(const char *errstr, ...) {
276 va_list ap;
277
278 va_start(ap, errstr);
279 vfprintf(stderr, errstr, ap);
280 va_end(ap);
281 exit(EXIT_FAILURE);
282 }
283
284 unsigned long
285 getcolor(const char *colstr) {
286 Colormap cmap = DefaultColormap(dpy, screen);
287 XColor color;
288
289 if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
290 eprint("dmenu: cannot allocate color '%s'\n", colstr);
291 return color.pixel;
292 }
293
294 Bool
295 grabkeyboard(void) {
296 unsigned int len;
297
298 for(len = 1000; len; len--) {
299 if(XGrabKeyboard(dpy, parent, True, GrabModeAsync, GrabModeAsync, CurrentTime)
300 == GrabSuccess)
301 break;
302 usleep(1000);
303 }
304 return len > 0;
305 }
306
307 void
308 initfont(const char *fontstr) {
309 char *def, **missing = NULL;
310 int i, n;
311
312 if(!fontstr || fontstr[0] == '\0')
313 eprint("dmenu: cannot load font: '%s'\n", fontstr);
314 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
315 if(missing)
316 XFreeStringList(missing);
317 if(dc.font.set) {
318 XFontStruct **xfonts;
319 char **font_names;
320 dc.font.ascent = dc.font.descent = 0;
321 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
322 for(i = 0; i < n; i++) {
323 dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent);
324 dc.font.descent = MAX(dc.font.descent, (*xfonts)->descent);
325 xfonts++;
326 }
327 }
328 else {
329 if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
330 && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
331 eprint("dmenu: cannot load font: '%s'\n", fontstr);
332 dc.font.ascent = dc.font.xfont->ascent;
333 dc.font.descent = dc.font.xfont->descent;
334 }
335 dc.font.height = dc.font.ascent + dc.font.descent;
336 }
337
338 void
339 kpress(XKeyEvent * e) {
340 char buf[sizeof text];
341 int num;
342 unsigned int i, len;
343 KeySym ksym;
344
345 len = strlen(text);
346 num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
347 if(ksym == XK_KP_Enter)
348 ksym = XK_Return;
349 else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
350 ksym = (ksym - XK_KP_0) + XK_0;
351 else if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
352 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
353 || IsPrivateKeypadKey(ksym))
354 return;
355 /* first check if a control mask is omitted */
356 if(e->state & ControlMask) {
357 switch(tolower(ksym)) {
358 default:
359 return;
360 case XK_a:
361 ksym = XK_Home;
362 break;
363 case XK_b:
364 ksym = XK_Left;
365 break;
366 case XK_c:
367 ksym = XK_Escape;
368 break;
369 case XK_e:
370 ksym = XK_End;
371 break;
372 case XK_f:
373 ksym = XK_Right;
374 break;
375 case XK_h:
376 ksym = XK_BackSpace;
377 break;
378 case XK_i:
379 ksym = XK_Tab;
380 break;
381 case XK_j:
382 ksym = XK_Return;
383 break;
384 case XK_k:
385 text[cursor] = '\0';
386 break;
387 case XK_n:
388 ksym = XK_Down;
389 break;
390 case XK_p:
391 ksym = XK_Up;
392 break;
393 case XK_u:
394 memmove(text, text + cursor, sizeof text - cursor + 1);
395 cursor = 0;
396 match(text);
397 break;
398 case XK_w:
399 if(cursor > 0) {
400 i = cursor;
401 while(i-- > 0 && text[i] == ' ');
402 while(i-- > 0 && text[i] != ' ');
403 memmove(text + i + 1, text + cursor, sizeof text - cursor + 1);
404 cursor = i + 1;
405 match(text);
406 }
407 break;
408 case XK_y:
409 {
410 FILE *fp;
411 char *s;
412 if(!(fp = popen("sselp", "r")))
413 eprint("dmenu: cannot popen sselp\n");
414 s = fgets(buf, sizeof buf, fp);
415 pclose(fp);
416 if(s == NULL)
417 return;
418 }
419 num = strlen(buf);
420 if(num && buf[num-1] == '\n')
421 buf[--num] = '\0';
422 break;
423 }
424 }
425 switch(ksym) {
426 default:
427 num = MIN(num, sizeof text - cursor);
428 if(num && !iscntrl((int) buf[0])) {
429 memmove(text + cursor + num, text + cursor, sizeof text - cursor - num);
430 memcpy(text + cursor, buf, num);
431 cursor += num;
432 match(text);
433 }
434 break;
435 case XK_BackSpace:
436 if(cursor == 0)
437 return;
438 for(i = 1; cursor - i > 0 && !IS_UTF8_1ST_CHAR(text[cursor - i]); i++);
439 memmove(text + cursor - i, text + cursor, sizeof text - cursor + i);
440 cursor -= i;
441 match(text);
442 break;
443 case XK_Delete:
444 if(cursor == len)
445 return;
446 for(i = 1; cursor + i < len && !IS_UTF8_1ST_CHAR(text[cursor + i]); i++);
447 memmove(text + cursor, text + cursor + i, sizeof text - cursor);
448 match(text);
449 break;
450 case XK_End:
451 if(cursor < len) {
452 cursor = len;
453 break;
454 }
455 while(next) {
456 sel = curr = next;
457 calcoffsets();
458 }
459 while(sel && sel->right)
460 sel = sel->right;
461 break;
462 case XK_Escape:
463 ret = 1;
464 running = False;
465 return;
466 case XK_Home:
467 if(sel == item) {
468 cursor = 0;
469 break;
470 }
471 sel = curr = item;
472 calcoffsets();
473 break;
474 case XK_Left:
475 if(cursor > 0 && (!sel || !sel->left)) {
476 while(cursor-- > 0 && !IS_UTF8_1ST_CHAR(text[cursor]));
477 break;
478 }
479 if(lines > 0)
480 return;
481 case XK_Up:
482 if(!sel || !sel->left)
483 return;
484 sel = sel->left;
485 if(sel->right == curr) {
486 curr = prev;
487 calcoffsets();
488 }
489 break;
490 case XK_Next:
491 if(!next)
492 return;
493 sel = curr = next;
494 calcoffsets();
495 break;
496 case XK_Prior:
497 if(!prev)
498 return;
499 sel = curr = prev;
500 calcoffsets();
501 break;
502 case XK_Return:
503 if((e->state & ShiftMask) || !sel)
504 fprintf(stdout, "%s", text);
505 else
506 fprintf(stdout, "%s", sel->text);
507 fflush(stdout);
508 running = False;
509 return;
510 case XK_Right:
511 if(cursor < len) {
512 while(cursor++ < len && !IS_UTF8_1ST_CHAR(text[cursor]));
513 break;
514 }
515 if(lines > 0)
516 return;
517 case XK_Down:
518 if(!sel || !sel->right)
519 return;
520 sel = sel->right;
521 if(sel == next) {
522 curr = next;
523 calcoffsets();
524 }
525 break;
526 case XK_Tab:
527 if(!sel)
528 return;
529 strncpy(text, sel->text, sizeof text);
530 cursor = strlen(text);
531 match(text);
532 break;
533 }
534 drawmenu();
535 }
536
537 void
538 match(char *pattern) {
539 unsigned int plen;
540 Item *i, *itemend, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
541
542 if(!pattern)
543 return;
544 plen = strlen(pattern);
545 item = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
546 for(i = allitems; i; i = i->next)
547 if(!fstrncmp(pattern, i->text, plen + 1))
548 appenditem(i, &lexact, &exactend);
549 else if(!fstrncmp(pattern, i->text, plen))
550 appenditem(i, &lprefix, &prefixend);
551 else if(fstrstr(i->text, pattern))
552 appenditem(i, &lsubstr, &substrend);
553 if(lexact) {
554 item = lexact;
555 itemend = exactend;
556 }
557 if(lprefix) {
558 if(itemend) {
559 itemend->right = lprefix;
560 lprefix->left = itemend;
561 }
562 else
563 item = lprefix;
564 itemend = prefixend;
565 }
566 if(lsubstr) {
567 if(itemend) {
568 itemend->right = lsubstr;
569 lsubstr->left = itemend;
570 }
571 else
572 item = lsubstr;
573 }
574 curr = prev = next = sel = item;
575 calcoffsets();
576 }
577
578 void
579 readstdin(void) {
580 char *p, buf[sizeof text];
581 unsigned int len = 0, max = 0;
582 Item *i, *new;
583
584 i = NULL;
585 while(fgets(buf, sizeof buf, stdin)) {
586 len = strlen(buf);
587 if(buf[len-1] == '\n')
588 buf[--len] = '\0';
589 if(!(p = strdup(buf)))
590 eprint("dmenu: cannot strdup %u bytes\n", len);
591 if((max = MAX(max, len)) == len)
592 maxname = p;
593 if(!(new = malloc(sizeof *new)))
594 eprint("dmenu: cannot malloc %u bytes\n", sizeof *new);
595 new->next = new->left = new->right = NULL;
596 new->text = p;
597 if(!i)
598 allitems = new;
599 else
600 i->next = new;
601 i = new;
602 }
603 }
604
605 void
606 run(void) {
607 XEvent ev;
608
609 /* main event loop */
610 while(running && !XNextEvent(dpy, &ev))
611 switch (ev.type) {
612 case KeyPress:
613 kpress(&ev.xkey);
614 break;
615 case Expose:
616 if(ev.xexpose.count == 0)
617 drawmenu();
618 break;
619 case VisibilityNotify:
620 if (ev.xvisibility.state != VisibilityUnobscured)
621 XRaiseWindow(dpy, win);
622 break;
623 }
624 }
625
626 void
627 setup(Bool topbar) {
628 int i, j, x, y;
629 #if XINERAMA
630 int n;
631 XineramaScreenInfo *info = NULL;
632 #endif
633 XModifierKeymap *modmap;
634 XSetWindowAttributes wa;
635 XWindowAttributes pwa;
636
637 /* init modifier map */
638 modmap = XGetModifierMapping(dpy);
639 for(i = 0; i < 8; i++)
640 for(j = 0; j < modmap->max_keypermod; j++) {
641 if(modmap->modifiermap[i * modmap->max_keypermod + j]
642 == XKeysymToKeycode(dpy, XK_Num_Lock))
643 numlockmask = (1 << i);
644 }
645 XFreeModifiermap(modmap);
646
647 /* style */
648 dc.norm[ColBG] = getcolor(normbgcolor);
649 dc.norm[ColFG] = getcolor(normfgcolor);
650 dc.sel[ColBG] = getcolor(selbgcolor);
651 dc.sel[ColFG] = getcolor(selfgcolor);
652 initfont(font);
653
654 /* menu window */
655 wa.override_redirect = True;
656 wa.background_pixmap = ParentRelative;
657 wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask | VisibilityChangeMask;
658
659 /* menu window geometry */
660 mh = (dc.font.height + 2) * (lines + 1);
661 #if XINERAMA
662 if(parent == RootWindow(dpy, screen) && XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
663 i = 0;
664 if(n > 1) {
665 int di;
666 unsigned int dui;
667 Window dummy;
668 if(XQueryPointer(dpy, parent, &dummy, &dummy, &x, &y, &di, &di, &dui))
669 for(i = 0; i < n; i++)
670 if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
671 break;
672 }
673 x = info[i].x_org;
674 y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
675 mw = info[i].width;
676 XFree(info);
677 }
678 else
679 #endif
680 {
681 XGetWindowAttributes(dpy, parent, &pwa);
682 x = 0;
683 y = topbar ? 0 : pwa.height - mh;
684 mw = pwa.width;
685 }
686
687 win = XCreateWindow(dpy, parent, x, y, mw, mh, 0,
688 DefaultDepth(dpy, screen), CopyFromParent,
689 DefaultVisual(dpy, screen),
690 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
691
692 /* pixmap */
693 dc.drawable = XCreatePixmap(dpy, parent, mw, mh, DefaultDepth(dpy, screen));
694 dc.gc = XCreateGC(dpy, parent, 0, NULL);
695 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
696 if(!dc.font.set)
697 XSetFont(dpy, dc.gc, dc.font.xfont->fid);
698 if(maxname)
699 cmdw = MIN(textw(maxname), mw / 3);
700 if(prompt)
701 promptw = MIN(textw(prompt), mw / 5);
702 text[0] = '\0';
703 match(text);
704 XMapRaised(dpy, win);
705 }
706
707 int
708 textnw(const char *text, unsigned int len) {
709 XRectangle r;
710
711 if(dc.font.set) {
712 XmbTextExtents(dc.font.set, text, len, NULL, &r);
713 return r.width;
714 }
715 return XTextWidth(dc.font.xfont, text, len);
716 }
717
718 int
719 textw(const char *text) {
720 return textnw(text, strlen(text)) + dc.font.height;
721 }
722
723 int
724 main(int argc, char *argv[]) {
725 unsigned int i;
726 Bool topbar = True;
727
728 /* command line args */
729 for(i = 1; i < argc; i++)
730 if(!strcmp(argv[i], "-i")) {
731 fstrncmp = strncasecmp;
732 fstrstr = cistrstr;
733 }
734 else if(!strcmp(argv[i], "-b"))
735 topbar = False;
736 else if(!strcmp(argv[i], "-e")) {
737 if(++i < argc) parent = atoi(argv[i]);
738 }
739 else if(!strcmp(argv[i], "-l")) {
740 if(++i < argc) lines = atoi(argv[i]);
741 if(lines > 0)
742 calcoffsets = calcoffsetsv;
743 }
744 else if(!strcmp(argv[i], "-fn")) {
745 if(++i < argc) font = argv[i];
746 }
747 else if(!strcmp(argv[i], "-nb")) {
748 if(++i < argc) normbgcolor = argv[i];
749 }
750 else if(!strcmp(argv[i], "-nf")) {
751 if(++i < argc) normfgcolor = argv[i];
752 }
753 else if(!strcmp(argv[i], "-p")) {
754 if(++i < argc) prompt = argv[i];
755 }
756 else if(!strcmp(argv[i], "-sb")) {
757 if(++i < argc) selbgcolor = argv[i];
758 }
759 else if(!strcmp(argv[i], "-sf")) {
760 if(++i < argc) selfgcolor = argv[i];
761 }
762 else if(!strcmp(argv[i], "-v"))
763 eprint("dmenu-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n");
764 else
765 eprint("usage: dmenu [-i] [-b] [-e <xid>] [-l <lines>] [-fn <font>] [-nb <color>]\n"
766 " [-nf <color>] [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
767 if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
768 fprintf(stderr, "dmenu: warning: no locale support\n");
769 if(!(dpy = XOpenDisplay(NULL)))
770 eprint("dmenu: cannot open display\n");
771 screen = DefaultScreen(dpy);
772 if(!parent)
773 parent = RootWindow(dpy, screen);
774
775 readstdin();
776 running = grabkeyboard();
777
778 setup(topbar);
779 drawmenu();
780 XSync(dpy, False);
781 run();
782 cleanup();
783 XCloseDisplay(dpy);
784 return ret;
785 }