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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 drawmenuh(void);
56 static void drawmenuv(void);
57 static void drawtext(const char *text, unsigned long col[ColLast]);
58 static void eprint(const char *errstr, ...);
59 static unsigned long getcolor(const char *colstr);
60 static Bool grabkeyboard(void);
61 static void initfont(const char *fontstr);
62 static void kpress(XKeyEvent * e);
63 static void match(char *pattern);
64 static void readstdin(void);
65 static void run(void);
66 static void setup(Bool topbar);
67 static int textnw(const char *text, unsigned int len);
68 static int textw(const char *text);
69
70 #include "config.h"
71
72 /* variables */
73 static char *maxname = NULL;
74 static char *prompt = NULL;
75 static char text[4096];
76 static int cmdw = 0;
77 static int promptw = 0;
78 static int ret = 0;
79 static int cursor = 0;
80 static int screen;
81 static unsigned int mw, mh;
82 static unsigned int numlockmask = 0;
83 static Bool running = True;
84 static Display *dpy;
85 static DC dc;
86 static Item *allitems = NULL; /* first of all items */
87 static Item *item = NULL; /* first of pattern matching items */
88 static Item *sel = NULL;
89 static Item *next = NULL;
90 static Item *prev = NULL;
91 static Item *curr = NULL;
92 static Window root, win;
93 static int (*fstrncmp)(const char *, const char *, size_t n) = strncmp;
94 static char *(*fstrstr)(const char *, const char *) = strstr;
95 static Bool vlist = False;
96 static unsigned int lines = 5;
97 static void (*calcoffsets)(void) = calcoffsetsh;
98 static void (*drawmenu)(void) = drawmenuh;
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 = textw(next->text);
121 if(tw > mw / 3)
122 tw = mw / 3;
123 w += tw;
124 if(w > mw)
125 break;
126 }
127 w = promptw + cmdw + 2 * spaceitem;
128 for(prev = curr; prev && prev->left; prev=prev->left) {
129 tw = textw(prev->left->text);
130 if(tw > mw / 3)
131 tw = mw / 3;
132 w += tw;
133 if(w > mw)
134 break;
135 }
136 }
137
138 void
139 calcoffsetsv(void) {
140 static unsigned int w;
141
142 if(!curr)
143 return;
144 w = (dc.font.height + 2) * (lines + 1);
145 for(next = curr; next; next=next->right) {
146 w -= dc.font.height + 2;
147 if(w <= 0)
148 break;
149 }
150 w = (dc.font.height + 2) * (lines + 1);
151 for(prev = curr; prev && prev->left; prev=prev->left) {
152 w -= dc.font.height + 2;
153 if(w <= 0)
154 break;
155 }
156 }
157
158 char *
159 cistrstr(const char *s, const char *sub) {
160 int c, csub;
161 unsigned int len;
162
163 if(!sub)
164 return (char *)s;
165 if((c = *sub++) != 0) {
166 c = tolower(c);
167 len = strlen(sub);
168 do {
169 do {
170 if((csub = *s++) == 0)
171 return NULL;
172 }
173 while(tolower(csub) != c);
174 }
175 while(strncasecmp(s, sub, len) != 0);
176 s--;
177 }
178 return (char *)s;
179 }
180
181 void
182 cleanup(void) {
183 Item *itm;
184
185 while(allitems) {
186 itm = allitems->next;
187 free(allitems->text);
188 free(allitems);
189 allitems = itm;
190 }
191 if(dc.font.set)
192 XFreeFontSet(dpy, dc.font.set);
193 else
194 XFreeFont(dpy, dc.font.xfont);
195 XFreePixmap(dpy, dc.drawable);
196 XFreeGC(dpy, dc.gc);
197 XDestroyWindow(dpy, win);
198 XUngrabKeyboard(dpy, CurrentTime);
199 }
200
201 void
202 drawcursor(void) {
203 XRectangle r = { dc.x, dc.y + 2, 1, dc.h - 4 };
204
205 r.x += textnw(text, cursor) + dc.font.height / 2;
206
207 XSetForeground(dpy, dc.gc, dc.norm[ColFG]);
208 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
209 }
210
211 void
212 drawmenuh(void) {
213 Item *i;
214
215 dc.x = 0;
216 dc.y = 0;
217 dc.w = mw;
218 dc.h = mh;
219 drawtext(NULL, dc.norm);
220 /* print prompt? */
221 if(promptw) {
222 dc.w = promptw;
223 drawtext(prompt, dc.sel);
224 }
225 dc.x += promptw;
226 dc.w = mw - promptw;
227 /* print command */
228 if(cmdw && item)
229 dc.w = cmdw;
230 drawtext(text[0] ? text : NULL, dc.norm);
231 drawcursor();
232 dc.x += cmdw;
233 if(curr) {
234 dc.w = spaceitem;
235 drawtext((curr && curr->left) ? "<" : NULL, dc.norm);
236 dc.x += dc.w;
237 /* determine maximum items */
238 for(i = curr; i != next; i=i->right) {
239 dc.w = textw(i->text);
240 if(dc.w > mw / 3)
241 dc.w = mw / 3;
242 drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
243 dc.x += dc.w;
244 }
245 dc.x = mw - spaceitem;
246 dc.w = spaceitem;
247 drawtext(next ? ">" : NULL, dc.norm);
248 }
249 XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
250 XFlush(dpy);
251 }
252
253 void
254 drawmenuv(void) {
255 Item *i;
256
257 dc.x = 0;
258 dc.y = 0;
259 dc.w = mw;
260 dc.h = mh;
261 drawtext(NULL, dc.norm);
262 /* print prompt? */
263 if(promptw) {
264 dc.w = promptw;
265 drawtext(prompt, dc.sel);
266 }
267 dc.x += promptw;
268 dc.w = mw - promptw;
269 /* print command */
270 drawtext(text[0] ? text : NULL, dc.norm);
271 if(curr) {
272 dc.x = 0;
273 dc.w = mw;
274 dc.y += dc.font.height + 2;
275 /* determine maximum items */
276 for(i = curr; i != next; i=i->right) {
277 drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
278 dc.y += dc.font.height + 2;
279 }
280 drawtext(NULL, dc.norm);
281 }
282 XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
283 XFlush(dpy);
284 }
285
286 void
287 drawtext(const char *text, unsigned long col[ColLast]) {
288 char buf[256];
289 int i, x, y, h, len, olen;
290 XRectangle r = { dc.x, dc.y, dc.w, dc.h };
291
292 XSetForeground(dpy, dc.gc, col[ColBG]);
293 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
294 if(!text)
295 return;
296 olen = strlen(text);
297 h = dc.font.height;
298 y = dc.y + ((h+2) / 2) - (h / 2) + dc.font.ascent;
299 x = dc.x + (h / 2);
300 /* shorten text if necessary */
301 for(len = MIN(olen, sizeof buf); len && textnw(text, len) > dc.w - h; len--);
302 if(!len)
303 return;
304 memcpy(buf, text, len);
305 if(len < olen)
306 for(i = len; i && i > len - 3; buf[--i] = '.');
307 XSetForeground(dpy, dc.gc, col[ColFG]);
308 if(dc.font.set)
309 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
310 else
311 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
312 }
313
314 void
315 eprint(const char *errstr, ...) {
316 va_list ap;
317
318 va_start(ap, errstr);
319 vfprintf(stderr, errstr, ap);
320 va_end(ap);
321 exit(EXIT_FAILURE);
322 }
323
324 unsigned long
325 getcolor(const char *colstr) {
326 Colormap cmap = DefaultColormap(dpy, screen);
327 XColor color;
328
329 if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
330 eprint("error, cannot allocate color '%s'\n", colstr);
331 return color.pixel;
332 }
333
334 Bool
335 grabkeyboard(void) {
336 unsigned int len;
337
338 for(len = 1000; len; len--) {
339 if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
340 == GrabSuccess)
341 break;
342 usleep(1000);
343 }
344 return len > 0;
345 }
346
347 void
348 initfont(const char *fontstr) {
349 char *def, **missing;
350 int i, n;
351
352 if(!fontstr || fontstr[0] == '\0')
353 eprint("error, cannot load font: '%s'\n", fontstr);
354 missing = NULL;
355 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
356 if(missing)
357 XFreeStringList(missing);
358 if(dc.font.set) {
359 XFontSetExtents *font_extents;
360 XFontStruct **xfonts;
361 char **font_names;
362 dc.font.ascent = dc.font.descent = 0;
363 font_extents = XExtentsOfFontSet(dc.font.set);
364 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
365 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
366 if(dc.font.ascent < (*xfonts)->ascent)
367 dc.font.ascent = (*xfonts)->ascent;
368 if(dc.font.descent < (*xfonts)->descent)
369 dc.font.descent = (*xfonts)->descent;
370 xfonts++;
371 }
372 }
373 else {
374 if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
375 && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
376 eprint("error, cannot load font: '%s'\n", fontstr);
377 dc.font.ascent = dc.font.xfont->ascent;
378 dc.font.descent = dc.font.xfont->descent;
379 }
380 dc.font.height = dc.font.ascent + dc.font.descent;
381 }
382
383 void
384 kpress(XKeyEvent * e) {
385 char buf[32];
386 int i, num;
387 unsigned int len;
388 KeySym ksym;
389
390 len = strlen(text);
391 buf[0] = 0;
392 num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
393 if(IsKeypadKey(ksym)) {
394 if(ksym == XK_KP_Enter)
395 ksym = XK_Return;
396 else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
397 ksym = (ksym - XK_KP_0) + XK_0;
398 }
399 if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
400 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
401 || IsPrivateKeypadKey(ksym))
402 return;
403 /* first check if a control mask is omitted */
404 if(e->state & ControlMask) {
405 switch (ksym) {
406 default: /* ignore other control sequences */
407 return;
408 case XK_bracketleft:
409 ksym = XK_Escape;
410 break;
411 case XK_h:
412 case XK_H:
413 ksym = XK_BackSpace;
414 break;
415 case XK_i:
416 case XK_I:
417 ksym = XK_Tab;
418 break;
419 case XK_j:
420 case XK_J:
421 ksym = XK_Return;
422 break;
423 case XK_u:
424 case XK_U:
425 text[0] = 0;
426 match(text);
427 drawmenu();
428 break;
429 case XK_w:
430 case XK_W:
431 if(len) {
432 i = len - 1;
433 while(i >= 0 && text[i] == ' ')
434 text[i--] = 0;
435 while(i >= 0 && text[i] != ' ')
436 text[i--] = 0;
437 match(text);
438 drawmenu();
439 }
440 break;
441 }
442 }
443 if(CLEANMASK(e->state) & Mod1Mask) {
444 switch(ksym) {
445 default: return;
446 case XK_h:
447 ksym = XK_Left;
448 break;
449 case XK_l:
450 ksym = XK_Right;
451 break;
452 case XK_j:
453 ksym = XK_Next;
454 break;
455 case XK_k:
456 ksym = XK_Prior;
457 break;
458 case XK_g:
459 ksym = XK_Home;
460 break;
461 case XK_G:
462 ksym = XK_End;
463 break;
464 case XK_p:
465 {
466 FILE *fp;
467 char *c;
468 if(!(fp = (FILE*)popen("sselp", "r")))
469 fprintf(stderr, "dmenu: Could not popen sselp\n");
470 c = fgets(text + len, sizeof(text) - len, fp);
471 pclose(fp);
472 if(c == NULL)
473 return;
474 }
475 len = strlen(text);
476 if(len && text[len-1] == '\n')
477 text[--len] = '\0';
478 match(text);
479 drawmenu();
480 return;
481 }
482 }
483 switch(ksym) {
484 default:
485 if(num && !iscntrl((int) buf[0])) {
486 buf[num] = 0;
487 memmove(text + cursor + num, text + cursor, sizeof text - cursor);
488 strncpy(text + cursor, buf, sizeof text - cursor);
489 cursor+=num;
490 match(text);
491 }
492 break;
493 case XK_BackSpace:
494 if(cursor > 0) {
495 memmove(text + cursor + -1, text + cursor, sizeof text - cursor);
496 cursor--;
497 match(text);
498 }
499 break;
500 case XK_End:
501 if(!item)
502 return;
503 while(next) {
504 sel = curr = next;
505 calcoffsets();
506 }
507 while(sel && sel->right)
508 sel = sel->right;
509 break;
510 case XK_Escape:
511 ret = 1;
512 running = False;
513 break;
514 case XK_Home:
515 if(!item)
516 return;
517 sel = curr = item;
518 calcoffsets();
519 break;
520 case XK_Left:
521 case XK_Up:
522 if(sel && sel->left){
523 sel=sel->left;
524 if(sel->right == curr) {
525 curr = prev;
526 calcoffsets();
527 }
528 }
529 else if(cursor > 0)
530 cursor--;
531 else
532 return;
533 break;
534 case XK_Next:
535 if(!next)
536 return;
537 sel = curr = next;
538 calcoffsets();
539 break;
540 case XK_Prior:
541 if(!prev)
542 return;
543 sel = curr = prev;
544 calcoffsets();
545 break;
546 case XK_Return:
547 if((e->state & ShiftMask) && *text)
548 fprintf(stdout, "%s", text);
549 else if(sel)
550 fprintf(stdout, "%s", sel->text);
551 else if(*text)
552 fprintf(stdout, "%s", text);
553 fflush(stdout);
554 running = False;
555 break;
556 case XK_Right:
557 case XK_Down:
558 if(cursor < len)
559 cursor++;
560 else if(sel && sel->right) {
561 sel=sel->right;
562 if(sel == next) {
563 curr = next;
564 calcoffsets();
565 }
566 }
567 else
568 return;
569 break;
570 case XK_Tab:
571 if(!sel)
572 return;
573 strncpy(text, sel->text, sizeof text);
574 cursor = strlen(text);
575 match(text);
576 break;
577 }
578 len = strlen(text);
579 cursor = MIN(cursor, len);
580 cursor = MAX(cursor, 0);
581 drawmenu();
582 }
583
584 void
585 match(char *pattern) {
586 unsigned int plen;
587 Item *i, *itemend, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
588
589 if(!pattern)
590 return;
591 plen = strlen(pattern);
592 item = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
593 for(i = allitems; i; i = i->next)
594 if(!fstrncmp(pattern, i->text, plen + 1))
595 appenditem(i, &lexact, &exactend);
596 else if(!fstrncmp(pattern, i->text, plen))
597 appenditem(i, &lprefix, &prefixend);
598 else if(fstrstr(i->text, pattern))
599 appenditem(i, &lsubstr, &substrend);
600 if(lexact) {
601 item = lexact;
602 itemend = exactend;
603 }
604 if(lprefix) {
605 if(itemend) {
606 itemend->right = lprefix;
607 lprefix->left = itemend;
608 }
609 else
610 item = lprefix;
611 itemend = prefixend;
612 }
613 if(lsubstr) {
614 if(itemend) {
615 itemend->right = lsubstr;
616 lsubstr->left = itemend;
617 }
618 else
619 item = lsubstr;
620 }
621 curr = prev = next = sel = item;
622 calcoffsets();
623 }
624
625 void
626 readstdin(void) {
627 char *p, buf[1024];
628 unsigned int len = 0, max = 0;
629 Item *i, *new;
630
631 i = 0;
632 while(fgets(buf, sizeof buf, stdin)) {
633 len = strlen(buf);
634 if (buf[len - 1] == '\n')
635 buf[len - 1] = 0;
636 if(!(p = strdup(buf)))
637 eprint("fatal: could not strdup() %u bytes\n", strlen(buf));
638 if(max < len) {
639 maxname = p;
640 max = len;
641 }
642 if(!(new = (Item *)malloc(sizeof(Item))))
643 eprint("fatal: could not malloc() %u bytes\n", sizeof(Item));
644 new->next = new->left = new->right = NULL;
645 new->text = p;
646 if(!i)
647 allitems = new;
648 else
649 i->next = new;
650 i = new;
651 }
652 }
653
654 void
655 run(void) {
656 XEvent ev;
657
658 /* main event loop */
659 while(running && !XNextEvent(dpy, &ev))
660 switch (ev.type) {
661 default: /* ignore all crap */
662 break;
663 case KeyPress:
664 kpress(&ev.xkey);
665 break;
666 case Expose:
667 if(ev.xexpose.count == 0)
668 drawmenu();
669 break;
670 }
671 }
672
673 void
674 setup(Bool topbar) {
675 int i, j, x, y;
676 #if XINERAMA
677 int n;
678 XineramaScreenInfo *info = NULL;
679 #endif
680 XModifierKeymap *modmap;
681 XSetWindowAttributes wa;
682
683 /* init modifier map */
684 modmap = XGetModifierMapping(dpy);
685 for(i = 0; i < 8; i++)
686 for(j = 0; j < modmap->max_keypermod; j++) {
687 if(modmap->modifiermap[i * modmap->max_keypermod + j]
688 == XKeysymToKeycode(dpy, XK_Num_Lock))
689 numlockmask = (1 << i);
690 }
691 XFreeModifiermap(modmap);
692
693 /* style */
694 dc.norm[ColBG] = getcolor(normbgcolor);
695 dc.norm[ColFG] = getcolor(normfgcolor);
696 dc.sel[ColBG] = getcolor(selbgcolor);
697 dc.sel[ColFG] = getcolor(selfgcolor);
698 initfont(font);
699
700 /* menu window */
701 wa.override_redirect = True;
702 wa.background_pixmap = ParentRelative;
703 wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask;
704
705 /* menu window geometry */
706 mh = dc.font.height + 2;
707 mh = vlist ? mh * (lines+1) : mh;
708 #if XINERAMA
709 if(XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
710 i = 0;
711 if(n > 1) {
712 int di;
713 unsigned int dui;
714 Window dummy;
715 if(XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui))
716 for(i = 0; i < n; i++)
717 if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
718 break;
719 }
720 x = info[i].x_org;
721 y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
722 mw = info[i].width;
723 XFree(info);
724 }
725 else
726 #endif
727 {
728 x = 0;
729 y = topbar ? 0 : DisplayHeight(dpy, screen) - mh;
730 mw = DisplayWidth(dpy, screen);
731 }
732
733 win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
734 DefaultDepth(dpy, screen), CopyFromParent,
735 DefaultVisual(dpy, screen),
736 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
737
738 /* pixmap */
739 dc.drawable = XCreatePixmap(dpy, root, mw, mh, DefaultDepth(dpy, screen));
740 dc.gc = XCreateGC(dpy, root, 0, NULL);
741 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
742 if(!dc.font.set)
743 XSetFont(dpy, dc.gc, dc.font.xfont->fid);
744 if(maxname)
745 cmdw = textw(maxname);
746 if(cmdw > mw / 3)
747 cmdw = mw / 3;
748 if(prompt)
749 promptw = textw(prompt);
750 if(promptw > mw / 5)
751 promptw = mw / 5;
752 text[0] = 0;
753 match(text);
754 XMapRaised(dpy, win);
755 }
756
757 int
758 textnw(const char *text, unsigned int len) {
759 XRectangle r;
760
761 if(dc.font.set) {
762 XmbTextExtents(dc.font.set, text, len, NULL, &r);
763 return r.width;
764 }
765 return XTextWidth(dc.font.xfont, text, len);
766 }
767
768 int
769 textw(const char *text) {
770 return textnw(text, strlen(text)) + dc.font.height;
771 }
772
773 int
774 main(int argc, char *argv[]) {
775 unsigned int i;
776 Bool topbar = True;
777
778 /* command line args */
779 for(i = 1; i < argc; i++)
780 if(!strcmp(argv[i], "-i")) {
781 fstrncmp = strncasecmp;
782 fstrstr = cistrstr;
783 }
784 else if(!strcmp(argv[i], "-b"))
785 topbar = False;
786 else if(!strcmp(argv[i], "-l")) {
787 vlist = True;
788 calcoffsets = calcoffsetsv;
789 drawmenu = drawmenuv;
790 if(++i < argc) lines += atoi(argv[i]);
791 }
792 else if(!strcmp(argv[i], "-fn")) {
793 if(++i < argc) font = argv[i];
794 }
795 else if(!strcmp(argv[i], "-nb")) {
796 if(++i < argc) normbgcolor = argv[i];
797 }
798 else if(!strcmp(argv[i], "-nf")) {
799 if(++i < argc) normfgcolor = argv[i];
800 }
801 else if(!strcmp(argv[i], "-p")) {
802 if(++i < argc) prompt = argv[i];
803 }
804 else if(!strcmp(argv[i], "-sb")) {
805 if(++i < argc) selbgcolor = argv[i];
806 }
807 else if(!strcmp(argv[i], "-sf")) {
808 if(++i < argc) selfgcolor = argv[i];
809 }
810 else if(!strcmp(argv[i], "-v"))
811 eprint("dmenu-"VERSION", © 2006-2009 dmenu engineers, see LICENSE for details\n");
812 else
813 eprint("usage: dmenu [-i] [-b] [-l <lines>] [-fn <font>] [-nb <color>] [-nf <color>]\n"
814 " [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
815 if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
816 fprintf(stderr, "warning: no locale support\n");
817 if(!(dpy = XOpenDisplay(NULL)))
818 eprint("dmenu: cannot open display\n");
819 screen = DefaultScreen(dpy);
820 root = RootWindow(dpy, screen);
821
822 if(isatty(STDIN_FILENO)) {
823 readstdin();
824 running = grabkeyboard();
825 }
826 else { /* prevent keypress loss */
827 running = grabkeyboard();
828 readstdin();
829 }
830
831 setup(topbar);
832 drawmenu();
833 XSync(dpy, False);
834 run();
835 cleanup();
836 XCloseDisplay(dpy);
837 return ret;
838 }