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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
23 /* enums */
24 enum { ColFG, ColBG, ColLast };
25
26 /* typedefs */
27 typedef struct {
28 int x, y, w, h;
29 unsigned long norm[ColLast];
30 unsigned long sel[ColLast];
31 Drawable drawable;
32 GC gc;
33 struct {
34 XFontStruct *xfont;
35 XFontSet set;
36 int ascent;
37 int descent;
38 int height;
39 } font;
40 } DC; /* draw context */
41
42 typedef struct Item Item;
43 struct Item {
44 char *text;
45 Item *next; /* traverses all items */
46 Item *left, *right; /* traverses items matching current search pattern */
47 };
48
49 /* forward declarations */
50 static void appenditem(Item *i, Item **list, Item **last);
51 static void calcoffsetsh(void);
52 static void calcoffsetsv(void);
53 static char *cistrstr(const char *s, const char *sub);
54 static void cleanup(void);
55 static void drawcursor(void);
56 static void drawmenu(void);
57 static void drawmenuh(void);
58 static void drawmenuv(void);
59 static void drawtext(const char *text, unsigned long col[ColLast]);
60 static void eprint(const char *errstr, ...);
61 static unsigned long getcolor(const char *colstr);
62 static Bool grabkeyboard(void);
63 static void initfont(const char *fontstr);
64 static void kpress(XKeyEvent * e);
65 static void match(char *pattern);
66 static void readstdin(void);
67 static void run(void);
68 static void setup(Bool topbar);
69 static int textnw(const char *text, unsigned int len);
70 static int textw(const char *text);
71
72 #include "config.h"
73
74 /* variables */
75 static char *maxname = NULL;
76 static char *prompt = NULL;
77 static char text[4096];
78 static int cmdw = 0;
79 static int promptw = 0;
80 static int ret = 0;
81 static int cursor = 0;
82 static int screen;
83 static unsigned int mw, mh;
84 static unsigned int numlockmask = 0;
85 static Bool running = True;
86 static Display *dpy;
87 static DC dc;
88 static Item *allitems = NULL; /* first of all items */
89 static Item *item = NULL; /* first of pattern matching items */
90 static Item *sel = NULL;
91 static Item *next = NULL;
92 static Item *prev = NULL;
93 static Item *curr = NULL;
94 static Window parent, win;
95 static int (*fstrncmp)(const char *, const char *, size_t n) = strncmp;
96 static char *(*fstrstr)(const char *, const char *) = strstr;
97 static unsigned int lines = 0;
98 static void (*calcoffsets)(void) = calcoffsetsh;
99
100 void
101 appenditem(Item *i, Item **list, Item **last) {
102 if(!(*last))
103 *list = i;
104 else
105 (*last)->right = i;
106 i->left = *last;
107 i->right = NULL;
108 *last = i;
109 }
110
111 void
112 calcoffsetsh(void) {
113 int tw;
114 unsigned int w;
115
116 if(!curr)
117 return;
118 w = promptw + cmdw + 2 * spaceitem;
119 for(next = curr; next; next=next->right) {
120 tw = MIN(textw(next->text), mw / 3);
121 w += tw;
122 if(w > mw)
123 break;
124 }
125 w = promptw + cmdw + 2 * spaceitem;
126 for(prev = curr; prev && prev->left; prev=prev->left) {
127 tw = MIN(textw(prev->left->text), mw / 3);
128 w += tw;
129 if(w > mw)
130 break;
131 }
132 }
133
134 void
135 calcoffsetsv(void) {
136 static unsigned int h;
137
138 if(!curr)
139 return;
140 h = (dc.font.height + 2) * (lines + 1);
141 for(next = curr; next; next=next->right) {
142 h -= dc.font.height + 2;
143 if(h <= 0)
144 break;
145 }
146 h = (dc.font.height + 2) * (lines + 1);
147 for(prev = curr; prev && prev->left; prev=prev->left) {
148 h -= dc.font.height + 2;
149 if(h <= 0)
150 break;
151 }
152 }
153
154 char *
155 cistrstr(const char *s, const char *sub) {
156 int c, csub;
157 unsigned int len;
158
159 if(!sub)
160 return (char *)s;
161 if((c = *sub++) != '\0') {
162 c = tolower(c);
163 len = strlen(sub);
164 do {
165 do {
166 if((csub = *s++) == '\0')
167 return NULL;
168 }
169 while(tolower(csub) != c);
170 }
171 while(strncasecmp(s, sub, len) != 0);
172 s--;
173 }
174 return (char *)s;
175 }
176
177 void
178 cleanup(void) {
179 Item *itm;
180
181 while(allitems) {
182 itm = allitems->next;
183 free(allitems->text);
184 free(allitems);
185 allitems = itm;
186 }
187 if(dc.font.set)
188 XFreeFontSet(dpy, dc.font.set);
189 else
190 XFreeFont(dpy, dc.font.xfont);
191 XFreePixmap(dpy, dc.drawable);
192 XFreeGC(dpy, dc.gc);
193 XDestroyWindow(dpy, win);
194 XUngrabKeyboard(dpy, CurrentTime);
195 }
196
197 void
198 drawcursor(void) {
199 XRectangle r = { dc.x, dc.y + 2, 1, dc.font.height - 2 };
200
201 r.x += textnw(text, cursor) + dc.font.height / 2;
202
203 XSetForeground(dpy, dc.gc, dc.norm[ColFG]);
204 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
205 }
206
207 void
208 drawmenu(void) {
209 dc.x = 0;
210 dc.y = 0;
211 dc.w = mw;
212 dc.h = mh;
213 drawtext(NULL, dc.norm);
214 /* print prompt? */
215 if(prompt) {
216 dc.w = promptw;
217 drawtext(prompt, dc.sel);
218 dc.x += dc.w;
219 }
220 dc.w = mw - dc.x;
221 /* print command */
222 if(cmdw && item && lines == 0)
223 dc.w = cmdw;
224 drawtext(text[0] ? text : NULL, dc.norm);
225 drawcursor();
226 if(curr) {
227 if(lines > 0)
228 drawmenuv();
229 else
230 drawmenuh();
231 }
232 XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
233 XFlush(dpy);
234 }
235
236 void
237 drawmenuh(void) {
238 Item *i;
239
240 dc.x += cmdw;
241 dc.w = spaceitem;
242 drawtext(curr->left ? "<" : NULL, dc.norm);
243 dc.x += dc.w;
244 for(i = curr; i != next; i=i->right) {
245 dc.w = MIN(textw(i->text), mw / 3);
246 drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
247 dc.x += dc.w;
248 }
249 dc.w = spaceitem;
250 dc.x = mw - dc.w;
251 drawtext(next ? ">" : NULL, dc.norm);
252 }
253
254 void
255 drawmenuv(void) {
256 Item *i;
257
258 dc.w = mw - dc.x;
259 dc.y += dc.font.height + 2;
260 for(i = curr; i != next; i=i->right) {
261 drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
262 dc.y += dc.font.height + 2;
263 }
264 drawtext(NULL, dc.norm);
265 }
266
267 void
268 drawtext(const char *text, unsigned long col[ColLast]) {
269 char buf[256];
270 int i, x, y, h, len, olen;
271 XRectangle r = { dc.x, dc.y, dc.w, dc.h };
272
273 XSetForeground(dpy, dc.gc, col[ColBG]);
274 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
275 if(!text)
276 return;
277 olen = strlen(text);
278 h = dc.font.height;
279 y = dc.y + ((h+2) / 2) - (h / 2) + dc.font.ascent;
280 x = dc.x + (h / 2);
281 /* shorten text if necessary */
282 for(len = MIN(olen, sizeof buf); len && textnw(text, len) > dc.w - h; len--);
283 if(!len)
284 return;
285 memcpy(buf, text, len);
286 if(len < olen)
287 for(i = len; i && i > len - 3; buf[--i] = '.');
288 XSetForeground(dpy, dc.gc, col[ColFG]);
289 if(dc.font.set)
290 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
291 else
292 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
293 }
294
295 void
296 eprint(const char *errstr, ...) {
297 va_list ap;
298
299 va_start(ap, errstr);
300 vfprintf(stderr, errstr, ap);
301 va_end(ap);
302 exit(EXIT_FAILURE);
303 }
304
305 unsigned long
306 getcolor(const char *colstr) {
307 Colormap cmap = DefaultColormap(dpy, screen);
308 XColor color;
309
310 if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
311 eprint("error, cannot allocate color '%s'\n", colstr);
312 return color.pixel;
313 }
314
315 Bool
316 grabkeyboard(void) {
317 unsigned int len;
318
319 for(len = 1000; len; len--) {
320 if(XGrabKeyboard(dpy, parent, True, GrabModeAsync, GrabModeAsync, CurrentTime)
321 == GrabSuccess)
322 break;
323 usleep(1000);
324 }
325 return len > 0;
326 }
327
328 void
329 initfont(const char *fontstr) {
330 char *def, **missing;
331 int i, n;
332
333 if(!fontstr || fontstr[0] == '\0')
334 eprint("error, cannot load font: '%s'\n", fontstr);
335 missing = NULL;
336 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
337 if(missing)
338 XFreeStringList(missing);
339 if(dc.font.set) {
340 XFontStruct **xfonts;
341 char **font_names;
342 dc.font.ascent = dc.font.descent = 0;
343 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
344 for(i = 0; i < n; i++) {
345 dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent);
346 dc.font.descent = MAX(dc.font.descent, (*xfonts)->descent);
347 xfonts++;
348 }
349 }
350 else {
351 if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
352 && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
353 eprint("error, cannot load font: '%s'\n", fontstr);
354 dc.font.ascent = dc.font.xfont->ascent;
355 dc.font.descent = dc.font.xfont->descent;
356 }
357 dc.font.height = dc.font.ascent + dc.font.descent;
358 }
359
360 void
361 kpress(XKeyEvent * e) {
362 char buf[sizeof text];
363 int i, num;
364 unsigned int len;
365 KeySym ksym;
366
367 len = strlen(text);
368 buf[0] = '\0';
369 num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
370 if(IsKeypadKey(ksym)) {
371 if(ksym == XK_KP_Enter)
372 ksym = XK_Return;
373 else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
374 ksym = (ksym - XK_KP_0) + XK_0;
375 }
376 if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
377 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
378 || IsPrivateKeypadKey(ksym))
379 return;
380 /* first check if a control mask is omitted */
381 if(e->state & ControlMask) {
382 switch (ksym) {
383 default: /* ignore other control sequences */
384 return;
385 case XK_a:
386 case XK_A:
387 ksym = XK_Home;
388 break;
389 case XK_c:
390 case XK_C:
391 ksym = XK_Escape;
392 break;
393 case XK_e:
394 case XK_E:
395 ksym = XK_End;
396 break;
397 case XK_h:
398 case XK_H:
399 ksym = XK_BackSpace;
400 break;
401 case XK_i:
402 case XK_I:
403 ksym = XK_Tab;
404 break;
405 case XK_j:
406 case XK_J:
407 ksym = XK_Return;
408 break;
409 case XK_u:
410 case XK_U:
411 memmove(text, text + cursor, sizeof text - cursor + 1);
412 cursor = 0;
413 match(text);
414 break;
415 case XK_w:
416 case XK_W:
417 if(cursor > 0) {
418 i = cursor;
419 while(i-- > 0 && text[i] == ' ');
420 while(i-- > 0 && text[i] != ' ');
421 memmove(text + i + 1, text + cursor, sizeof text - cursor + 1);
422 cursor = i + 1;
423 match(text);
424 }
425 break;
426 }
427 }
428 if(CLEANMASK(e->state) & Mod1Mask) {
429 switch(ksym) {
430 default: return;
431 case XK_h:
432 ksym = XK_Left;
433 break;
434 case XK_l:
435 ksym = XK_Right;
436 break;
437 case XK_j:
438 ksym = XK_Next;
439 break;
440 case XK_k:
441 ksym = XK_Prior;
442 break;
443 case XK_g:
444 ksym = XK_Home;
445 break;
446 case XK_G:
447 ksym = XK_End;
448 break;
449 case XK_p:
450 {
451 FILE *fp;
452 char *s;
453 if(!(fp = (FILE*)popen("sselp", "r")))
454 eprint("dmenu: Could not popen sselp\n");
455 s = fgets(buf, sizeof buf, fp);
456 pclose(fp);
457 if(s == NULL)
458 return;
459 }
460 num = strlen(buf);
461 if(num && buf[num-1] == '\n')
462 buf[--num] = '\0';
463 break;
464 }
465 }
466 switch(ksym) {
467 default:
468 num = MIN(num, sizeof text - cursor);
469 if(num && !iscntrl((int) buf[0])) {
470 memmove(text + cursor + num, text + cursor, sizeof text - cursor - num);
471 memcpy(text + cursor, buf, num);
472 cursor+=num;
473 match(text);
474 }
475 break;
476 case XK_BackSpace:
477 if(cursor > 0) {
478 memmove(text + cursor - 1, text + cursor, sizeof text - cursor + 1);
479 cursor--;
480 match(text);
481 }
482 break;
483 case XK_Delete:
484 memmove(text + cursor, text + cursor + 1, sizeof text - cursor);
485 match(text);
486 break;
487 case XK_End:
488 if(cursor < len) {
489 cursor = len;
490 break;
491 }
492 while(next) {
493 sel = curr = next;
494 calcoffsets();
495 }
496 while(sel && sel->right)
497 sel = sel->right;
498 break;
499 case XK_Escape:
500 ret = 1;
501 running = False;
502 break;
503 case XK_Home:
504 if(sel == item) {
505 cursor = 0;
506 break;
507 }
508 sel = curr = item;
509 calcoffsets();
510 break;
511 case XK_Left:
512 case XK_Up:
513 if(sel && sel->left){
514 sel=sel->left;
515 if(sel->right == curr) {
516 curr = prev;
517 calcoffsets();
518 }
519 }
520 else if(cursor > 0)
521 cursor--;
522 else
523 return;
524 break;
525 case XK_Next:
526 if(!next)
527 return;
528 sel = curr = next;
529 calcoffsets();
530 break;
531 case XK_Prior:
532 if(!prev)
533 return;
534 sel = curr = prev;
535 calcoffsets();
536 break;
537 case XK_Return:
538 if((e->state & ShiftMask) || !sel)
539 fprintf(stdout, "%s", text);
540 else
541 fprintf(stdout, "%s", sel->text);
542 fflush(stdout);
543 running = False;
544 break;
545 case XK_Right:
546 case XK_Down:
547 if(cursor < len)
548 cursor++;
549 else if(sel && sel->right) {
550 sel=sel->right;
551 if(sel == next) {
552 curr = next;
553 calcoffsets();
554 }
555 }
556 else
557 return;
558 break;
559 case XK_Tab:
560 if(!sel)
561 return;
562 strncpy(text, sel->text, sizeof text);
563 cursor = strlen(text);
564 match(text);
565 break;
566 }
567 drawmenu();
568 }
569
570 void
571 match(char *pattern) {
572 unsigned int plen;
573 Item *i, *itemend, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
574
575 if(!pattern)
576 return;
577 plen = strlen(pattern);
578 item = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
579 for(i = allitems; i; i = i->next)
580 if(!fstrncmp(pattern, i->text, plen + 1))
581 appenditem(i, &lexact, &exactend);
582 else if(!fstrncmp(pattern, i->text, plen))
583 appenditem(i, &lprefix, &prefixend);
584 else if(fstrstr(i->text, pattern))
585 appenditem(i, &lsubstr, &substrend);
586 if(lexact) {
587 item = lexact;
588 itemend = exactend;
589 }
590 if(lprefix) {
591 if(itemend) {
592 itemend->right = lprefix;
593 lprefix->left = itemend;
594 }
595 else
596 item = lprefix;
597 itemend = prefixend;
598 }
599 if(lsubstr) {
600 if(itemend) {
601 itemend->right = lsubstr;
602 lsubstr->left = itemend;
603 }
604 else
605 item = lsubstr;
606 }
607 curr = prev = next = sel = item;
608 calcoffsets();
609 }
610
611 void
612 readstdin(void) {
613 char *p, buf[sizeof text];
614 unsigned int len = 0, max = 0;
615 Item *i, *new;
616
617 i = NULL;
618 while(fgets(buf, sizeof buf, stdin)) {
619 len = strlen(buf);
620 if(buf[len-1] == '\n')
621 buf[--len] = '\0';
622 if(!(p = strdup(buf)))
623 eprint("fatal: could not strdup() %u bytes\n", len);
624 if(max < len || !maxname) {
625 maxname = p;
626 max = len;
627 }
628 if(!(new = (Item *)malloc(sizeof(Item))))
629 eprint("fatal: could not malloc() %u bytes\n", sizeof(Item));
630 new->next = new->left = new->right = NULL;
631 new->text = p;
632 if(!i)
633 allitems = new;
634 else
635 i->next = new;
636 i = new;
637 }
638 }
639
640 void
641 run(void) {
642 XEvent ev;
643
644 /* main event loop */
645 while(running && !XNextEvent(dpy, &ev))
646 switch (ev.type) {
647 default: /* ignore all crap */
648 break;
649 case KeyPress:
650 kpress(&ev.xkey);
651 break;
652 case Expose:
653 if(ev.xexpose.count == 0)
654 drawmenu();
655 break;
656 case VisibilityNotify:
657 if (ev.xvisibility.state != VisibilityUnobscured)
658 XRaiseWindow(dpy, win);
659 break;
660 }
661 }
662
663 void
664 setup(Bool topbar) {
665 int i, j, x, y;
666 #if XINERAMA
667 int n;
668 XineramaScreenInfo *info = NULL;
669 #endif
670 XModifierKeymap *modmap;
671 XSetWindowAttributes wa;
672 XWindowAttributes pwa;
673
674 /* init modifier map */
675 modmap = XGetModifierMapping(dpy);
676 for(i = 0; i < 8; i++)
677 for(j = 0; j < modmap->max_keypermod; j++) {
678 if(modmap->modifiermap[i * modmap->max_keypermod + j]
679 == XKeysymToKeycode(dpy, XK_Num_Lock))
680 numlockmask = (1 << i);
681 }
682 XFreeModifiermap(modmap);
683
684 /* style */
685 dc.norm[ColBG] = getcolor(normbgcolor);
686 dc.norm[ColFG] = getcolor(normfgcolor);
687 dc.sel[ColBG] = getcolor(selbgcolor);
688 dc.sel[ColFG] = getcolor(selfgcolor);
689 initfont(font);
690
691 /* menu window */
692 wa.override_redirect = True;
693 wa.background_pixmap = ParentRelative;
694 wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask | VisibilityChangeMask;
695
696 /* menu window geometry */
697 mh = (dc.font.height + 2) * (lines + 1);
698 #if XINERAMA
699 if(parent == RootWindow(dpy, screen) && XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
700 i = 0;
701 if(n > 1) {
702 int di;
703 unsigned int dui;
704 Window dummy;
705 if(XQueryPointer(dpy, parent, &dummy, &dummy, &x, &y, &di, &di, &dui))
706 for(i = 0; i < n; i++)
707 if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
708 break;
709 }
710 x = info[i].x_org;
711 y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
712 mw = info[i].width;
713 XFree(info);
714 }
715 else
716 #endif
717 {
718 XGetWindowAttributes(dpy, parent, &pwa);
719 x = 0;
720 y = topbar ? 0 : pwa.height - mh;
721 mw = pwa.width;
722 }
723
724 win = XCreateWindow(dpy, parent, x, y, mw, mh, 0,
725 DefaultDepth(dpy, screen), CopyFromParent,
726 DefaultVisual(dpy, screen),
727 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
728
729 /* pixmap */
730 dc.drawable = XCreatePixmap(dpy, parent, mw, mh, DefaultDepth(dpy, screen));
731 dc.gc = XCreateGC(dpy, parent, 0, NULL);
732 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
733 if(!dc.font.set)
734 XSetFont(dpy, dc.gc, dc.font.xfont->fid);
735 if(maxname)
736 cmdw = MIN(textw(maxname), mw / 3);
737 if(prompt)
738 promptw = MIN(textw(prompt), mw / 5);
739 text[0] = '\0';
740 match(text);
741 XMapRaised(dpy, win);
742 }
743
744 int
745 textnw(const char *text, unsigned int len) {
746 XRectangle r;
747
748 if(dc.font.set) {
749 XmbTextExtents(dc.font.set, text, len, NULL, &r);
750 return r.width;
751 }
752 return XTextWidth(dc.font.xfont, text, len);
753 }
754
755 int
756 textw(const char *text) {
757 return textnw(text, strlen(text)) + dc.font.height;
758 }
759
760 int
761 main(int argc, char *argv[]) {
762 unsigned int i;
763 Bool topbar = True;
764
765 /* command line args */
766 for(i = 1; i < argc; i++)
767 if(!strcmp(argv[i], "-i")) {
768 fstrncmp = strncasecmp;
769 fstrstr = cistrstr;
770 }
771 else if(!strcmp(argv[i], "-b"))
772 topbar = False;
773 else if(!strcmp(argv[i], "-e")) {
774 if(++i < argc) parent = atoi(argv[i]);
775 }
776 else if(!strcmp(argv[i], "-l")) {
777 calcoffsets = calcoffsetsv;
778 if(++i < argc) lines = atoi(argv[i]);
779 }
780 else if(!strcmp(argv[i], "-fn")) {
781 if(++i < argc) font = argv[i];
782 }
783 else if(!strcmp(argv[i], "-nb")) {
784 if(++i < argc) normbgcolor = argv[i];
785 }
786 else if(!strcmp(argv[i], "-nf")) {
787 if(++i < argc) normfgcolor = argv[i];
788 }
789 else if(!strcmp(argv[i], "-p")) {
790 if(++i < argc) prompt = argv[i];
791 }
792 else if(!strcmp(argv[i], "-sb")) {
793 if(++i < argc) selbgcolor = argv[i];
794 }
795 else if(!strcmp(argv[i], "-sf")) {
796 if(++i < argc) selfgcolor = argv[i];
797 }
798 else if(!strcmp(argv[i], "-v"))
799 eprint("dmenu-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n");
800 else
801 eprint("usage: dmenu [-i] [-b] [-e <xid>] [-l <lines>] [-fn <font>] [-nb <color>]\n"
802 " [-nf <color>] [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
803 if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
804 fprintf(stderr, "warning: no locale support\n");
805 if(!(dpy = XOpenDisplay(NULL)))
806 eprint("dmenu: cannot open display\n");
807 screen = DefaultScreen(dpy);
808 if(!parent)
809 parent = RootWindow(dpy, screen);
810
811 readstdin();
812 running = grabkeyboard();
813
814 setup(topbar);
815 drawmenu();
816 XSync(dpy, False);
817 run();
818 cleanup();
819 XCloseDisplay(dpy);
820 return ret;
821 }