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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(promptw) {
216 dc.w = promptw;
217 drawtext(prompt, dc.sel);
218 }
219 dc.x += promptw;
220 dc.w = mw - promptw;
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 /* determine maximum items */
245 for(i = curr; i != next; i=i->right) {
246 dc.w = MIN(textw(i->text), mw / 3);
247 drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
248 dc.x += dc.w;
249 }
250 dc.x = mw - spaceitem;
251 dc.w = spaceitem;
252 drawtext(next ? ">" : NULL, dc.norm);
253 }
254
255 void
256 drawmenuv(void) {
257 Item *i;
258
259 dc.x = 0;
260 dc.w = mw;
261 dc.y += dc.font.height + 2;
262 /* determine maximum items */
263 for(i = curr; i != next; i=i->right) {
264 drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
265 dc.y += dc.font.height + 2;
266 }
267 drawtext(NULL, dc.norm);
268 }
269
270 void
271 drawtext(const char *text, unsigned long col[ColLast]) {
272 char buf[256];
273 int i, x, y, h, len, olen;
274 XRectangle r = { dc.x, dc.y, dc.w, dc.h };
275
276 XSetForeground(dpy, dc.gc, col[ColBG]);
277 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
278 if(!text)
279 return;
280 olen = strlen(text);
281 h = dc.font.height;
282 y = dc.y + ((h+2) / 2) - (h / 2) + dc.font.ascent;
283 x = dc.x + (h / 2);
284 /* shorten text if necessary */
285 for(len = MIN(olen, sizeof buf); len && textnw(text, len) > dc.w - h; len--);
286 if(!len)
287 return;
288 memcpy(buf, text, len);
289 if(len < olen)
290 for(i = len; i && i > len - 3; buf[--i] = '.');
291 XSetForeground(dpy, dc.gc, col[ColFG]);
292 if(dc.font.set)
293 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
294 else
295 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
296 }
297
298 void
299 eprint(const char *errstr, ...) {
300 va_list ap;
301
302 va_start(ap, errstr);
303 vfprintf(stderr, errstr, ap);
304 va_end(ap);
305 exit(EXIT_FAILURE);
306 }
307
308 unsigned long
309 getcolor(const char *colstr) {
310 Colormap cmap = DefaultColormap(dpy, screen);
311 XColor color;
312
313 if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
314 eprint("error, cannot allocate color '%s'\n", colstr);
315 return color.pixel;
316 }
317
318 Bool
319 grabkeyboard(void) {
320 unsigned int len;
321
322 for(len = 1000; len; len--) {
323 if(XGrabKeyboard(dpy, parent, True, GrabModeAsync, GrabModeAsync, CurrentTime)
324 == GrabSuccess)
325 break;
326 usleep(1000);
327 }
328 return len > 0;
329 }
330
331 void
332 initfont(const char *fontstr) {
333 char *def, **missing;
334 int i, n;
335
336 if(!fontstr || fontstr[0] == '\0')
337 eprint("error, cannot load font: '%s'\n", fontstr);
338 missing = NULL;
339 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
340 if(missing)
341 XFreeStringList(missing);
342 if(dc.font.set) {
343 XFontSetExtents *font_extents;
344 XFontStruct **xfonts;
345 char **font_names;
346 dc.font.ascent = dc.font.descent = 0;
347 font_extents = XExtentsOfFontSet(dc.font.set);
348 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
349 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
350 dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent);
351 dc.font.descent = MAX(dc.font.descent, (*xfonts)->descent);
352 xfonts++;
353 }
354 }
355 else {
356 if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
357 && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
358 eprint("error, cannot load font: '%s'\n", fontstr);
359 dc.font.ascent = dc.font.xfont->ascent;
360 dc.font.descent = dc.font.xfont->descent;
361 }
362 dc.font.height = dc.font.ascent + dc.font.descent;
363 }
364
365 void
366 kpress(XKeyEvent * e) {
367 char buf[sizeof text];
368 int i, num;
369 unsigned int len;
370 KeySym ksym;
371
372 len = strlen(text);
373 buf[0] = '\0';
374 num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
375 if(IsKeypadKey(ksym)) {
376 if(ksym == XK_KP_Enter)
377 ksym = XK_Return;
378 else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
379 ksym = (ksym - XK_KP_0) + XK_0;
380 }
381 if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
382 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
383 || IsPrivateKeypadKey(ksym))
384 return;
385 /* first check if a control mask is omitted */
386 if(e->state & ControlMask) {
387 switch (ksym) {
388 default: /* ignore other control sequences */
389 return;
390 case XK_a:
391 case XK_A:
392 ksym = XK_Home;
393 break;
394 case XK_c:
395 case XK_C:
396 ksym = XK_Escape;
397 break;
398 case XK_e:
399 case XK_E:
400 ksym = XK_End;
401 break;
402 case XK_h:
403 case XK_H:
404 ksym = XK_BackSpace;
405 break;
406 case XK_i:
407 case XK_I:
408 ksym = XK_Tab;
409 break;
410 case XK_j:
411 case XK_J:
412 ksym = XK_Return;
413 break;
414 case XK_u:
415 case XK_U:
416 memmove(text, text + cursor, sizeof text - cursor + 1);
417 cursor = 0;
418 match(text);
419 break;
420 case XK_w:
421 case XK_W:
422 if(cursor > 0) {
423 i = cursor;
424 while(i-- > 0 && text[i] == ' ');
425 while(i-- > 0 && text[i] != ' ');
426 memmove(text + i + 1, text + cursor, sizeof text - cursor + 1);
427 cursor = i + 1;
428 match(text);
429 }
430 break;
431 }
432 }
433 if(CLEANMASK(e->state) & Mod1Mask) {
434 switch(ksym) {
435 default: return;
436 case XK_h:
437 ksym = XK_Left;
438 break;
439 case XK_l:
440 ksym = XK_Right;
441 break;
442 case XK_j:
443 ksym = XK_Next;
444 break;
445 case XK_k:
446 ksym = XK_Prior;
447 break;
448 case XK_g:
449 ksym = XK_Home;
450 break;
451 case XK_G:
452 ksym = XK_End;
453 break;
454 case XK_p:
455 {
456 FILE *fp;
457 char *s;
458 if(!(fp = (FILE*)popen("sselp", "r")))
459 eprint("dmenu: Could not popen sselp\n");
460 s = fgets(buf, sizeof buf, fp);
461 pclose(fp);
462 if(s == NULL)
463 return;
464 }
465 num = strlen(buf);
466 if(num && buf[num-1] == '\n')
467 buf[--num] = '\0';
468 break;
469 }
470 }
471 switch(ksym) {
472 default:
473 num = MIN(num, sizeof text - cursor);
474 if(num && !iscntrl((int) buf[0])) {
475 memmove(text + cursor + num, text + cursor, sizeof text - cursor - num);
476 memcpy(text + cursor, buf, num);
477 cursor+=num;
478 match(text);
479 }
480 break;
481 case XK_BackSpace:
482 if(cursor > 0) {
483 memmove(text + cursor - 1, text + cursor, sizeof text - cursor + 1);
484 cursor--;
485 match(text);
486 }
487 break;
488 case XK_Delete:
489 memmove(text + cursor, text + cursor + 1, sizeof text - cursor);
490 match(text);
491 break;
492 case XK_End:
493 if(cursor < len) {
494 cursor = len;
495 break;
496 }
497 while(next) {
498 sel = curr = next;
499 calcoffsets();
500 }
501 while(sel && sel->right)
502 sel = sel->right;
503 break;
504 case XK_Escape:
505 ret = 1;
506 running = False;
507 break;
508 case XK_Home:
509 if(sel == item) {
510 cursor = 0;
511 break;
512 }
513 sel = curr = item;
514 calcoffsets();
515 break;
516 case XK_Left:
517 case XK_Up:
518 if(sel && sel->left){
519 sel=sel->left;
520 if(sel->right == curr) {
521 curr = prev;
522 calcoffsets();
523 }
524 }
525 else if(cursor > 0)
526 cursor--;
527 else
528 return;
529 break;
530 case XK_Next:
531 if(!next)
532 return;
533 sel = curr = next;
534 calcoffsets();
535 break;
536 case XK_Prior:
537 if(!prev)
538 return;
539 sel = curr = prev;
540 calcoffsets();
541 break;
542 case XK_Return:
543 if((e->state & ShiftMask) || !sel)
544 fprintf(stdout, "%s", text);
545 else
546 fprintf(stdout, "%s", sel->text);
547 fflush(stdout);
548 running = False;
549 break;
550 case XK_Right:
551 case XK_Down:
552 if(cursor < len)
553 cursor++;
554 else if(sel && sel->right) {
555 sel=sel->right;
556 if(sel == next) {
557 curr = next;
558 calcoffsets();
559 }
560 }
561 else
562 return;
563 break;
564 case XK_Tab:
565 if(!sel)
566 return;
567 strncpy(text, sel->text, sizeof text);
568 cursor = strlen(text);
569 match(text);
570 break;
571 }
572 drawmenu();
573 }
574
575 void
576 match(char *pattern) {
577 unsigned int plen;
578 Item *i, *itemend, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
579
580 if(!pattern)
581 return;
582 plen = strlen(pattern);
583 item = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
584 for(i = allitems; i; i = i->next)
585 if(!fstrncmp(pattern, i->text, plen + 1))
586 appenditem(i, &lexact, &exactend);
587 else if(!fstrncmp(pattern, i->text, plen))
588 appenditem(i, &lprefix, &prefixend);
589 else if(fstrstr(i->text, pattern))
590 appenditem(i, &lsubstr, &substrend);
591 if(lexact) {
592 item = lexact;
593 itemend = exactend;
594 }
595 if(lprefix) {
596 if(itemend) {
597 itemend->right = lprefix;
598 lprefix->left = itemend;
599 }
600 else
601 item = lprefix;
602 itemend = prefixend;
603 }
604 if(lsubstr) {
605 if(itemend) {
606 itemend->right = lsubstr;
607 lsubstr->left = itemend;
608 }
609 else
610 item = lsubstr;
611 }
612 curr = prev = next = sel = item;
613 calcoffsets();
614 }
615
616 void
617 readstdin(void) {
618 char *p, buf[sizeof text];
619 unsigned int len = 0, max = 0;
620 Item *i, *new;
621
622 i = NULL;
623 while(fgets(buf, sizeof buf, stdin)) {
624 len = strlen(buf);
625 if(buf[len-1] == '\n')
626 buf[--len] = '\0';
627 if(!(p = strdup(buf)))
628 eprint("fatal: could not strdup() %u bytes\n", len);
629 if(max < len || !maxname) {
630 maxname = p;
631 max = len;
632 }
633 if(!(new = (Item *)malloc(sizeof(Item))))
634 eprint("fatal: could not malloc() %u bytes\n", sizeof(Item));
635 new->next = new->left = new->right = NULL;
636 new->text = p;
637 if(!i)
638 allitems = new;
639 else
640 i->next = new;
641 i = new;
642 }
643 }
644
645 void
646 run(void) {
647 XEvent ev;
648
649 /* main event loop */
650 while(running && !XNextEvent(dpy, &ev))
651 switch (ev.type) {
652 default: /* ignore all crap */
653 break;
654 case KeyPress:
655 kpress(&ev.xkey);
656 break;
657 case Expose:
658 if(ev.xexpose.count == 0)
659 drawmenu();
660 break;
661 case VisibilityNotify:
662 if (ev.xvisibility.state != VisibilityUnobscured)
663 XRaiseWindow(dpy, win);
664 break;
665 }
666 }
667
668 void
669 setup(Bool topbar) {
670 int i, j, x, y;
671 #if XINERAMA
672 int n;
673 XineramaScreenInfo *info = NULL;
674 #endif
675 XModifierKeymap *modmap;
676 XSetWindowAttributes wa;
677 XWindowAttributes pwa;
678
679 /* init modifier map */
680 modmap = XGetModifierMapping(dpy);
681 for(i = 0; i < 8; i++)
682 for(j = 0; j < modmap->max_keypermod; j++) {
683 if(modmap->modifiermap[i * modmap->max_keypermod + j]
684 == XKeysymToKeycode(dpy, XK_Num_Lock))
685 numlockmask = (1 << i);
686 }
687 XFreeModifiermap(modmap);
688
689 /* style */
690 dc.norm[ColBG] = getcolor(normbgcolor);
691 dc.norm[ColFG] = getcolor(normfgcolor);
692 dc.sel[ColBG] = getcolor(selbgcolor);
693 dc.sel[ColFG] = getcolor(selfgcolor);
694 initfont(font);
695
696 /* menu window */
697 wa.override_redirect = True;
698 wa.background_pixmap = ParentRelative;
699 wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask | VisibilityChangeMask;
700
701 /* menu window geometry */
702 mh = (dc.font.height + 2) * (lines + 1);
703 #if XINERAMA
704 if(parent == RootWindow(dpy, screen) && XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
705 i = 0;
706 if(n > 1) {
707 int di;
708 unsigned int dui;
709 Window dummy;
710 if(XQueryPointer(dpy, parent, &dummy, &dummy, &x, &y, &di, &di, &dui))
711 for(i = 0; i < n; i++)
712 if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
713 break;
714 }
715 x = info[i].x_org;
716 y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
717 mw = info[i].width;
718 XFree(info);
719 }
720 else
721 #endif
722 {
723 XGetWindowAttributes(dpy, parent, &pwa);
724 x = 0;
725 y = topbar ? 0 : pwa.height - mh;
726 mw = pwa.width;
727 }
728
729 win = XCreateWindow(dpy, parent, x, y, mw, mh, 0,
730 DefaultDepth(dpy, screen), CopyFromParent,
731 DefaultVisual(dpy, screen),
732 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
733
734 /* pixmap */
735 dc.drawable = XCreatePixmap(dpy, parent, mw, mh, DefaultDepth(dpy, screen));
736 dc.gc = XCreateGC(dpy, parent, 0, NULL);
737 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
738 if(!dc.font.set)
739 XSetFont(dpy, dc.gc, dc.font.xfont->fid);
740 if(maxname)
741 cmdw = MIN(textw(maxname), mw / 3);
742 if(prompt)
743 promptw = MIN(textw(prompt), mw / 5);
744 text[0] = '\0';
745 match(text);
746 XMapRaised(dpy, win);
747 }
748
749 int
750 textnw(const char *text, unsigned int len) {
751 XRectangle r;
752
753 if(dc.font.set) {
754 XmbTextExtents(dc.font.set, text, len, NULL, &r);
755 return r.width;
756 }
757 return XTextWidth(dc.font.xfont, text, len);
758 }
759
760 int
761 textw(const char *text) {
762 return textnw(text, strlen(text)) + dc.font.height;
763 }
764
765 int
766 main(int argc, char *argv[]) {
767 unsigned int i;
768 Bool topbar = True;
769
770 /* command line args */
771 for(i = 1; i < argc; i++)
772 if(!strcmp(argv[i], "-i")) {
773 fstrncmp = strncasecmp;
774 fstrstr = cistrstr;
775 }
776 else if(!strcmp(argv[i], "-b"))
777 topbar = False;
778 else if(!strcmp(argv[i], "-e")) {
779 if(++i < argc) parent = atoi(argv[i]);
780 }
781 else if(!strcmp(argv[i], "-l")) {
782 calcoffsets = calcoffsetsv;
783 if(++i < argc) lines = atoi(argv[i]);
784 }
785 else if(!strcmp(argv[i], "-fn")) {
786 if(++i < argc) font = argv[i];
787 }
788 else if(!strcmp(argv[i], "-nb")) {
789 if(++i < argc) normbgcolor = argv[i];
790 }
791 else if(!strcmp(argv[i], "-nf")) {
792 if(++i < argc) normfgcolor = argv[i];
793 }
794 else if(!strcmp(argv[i], "-p")) {
795 if(++i < argc) prompt = argv[i];
796 }
797 else if(!strcmp(argv[i], "-sb")) {
798 if(++i < argc) selbgcolor = argv[i];
799 }
800 else if(!strcmp(argv[i], "-sf")) {
801 if(++i < argc) selfgcolor = argv[i];
802 }
803 else if(!strcmp(argv[i], "-v"))
804 eprint("dmenu-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n");
805 else
806 eprint("usage: dmenu [-i] [-b] [-e <xid>] [-l <lines>] [-fn <font>] [-nb <color>]\n"
807 " [-nf <color>] [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
808 if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
809 fprintf(stderr, "warning: no locale support\n");
810 if(!(dpy = XOpenDisplay(NULL)))
811 eprint("dmenu: cannot open display\n");
812 screen = DefaultScreen(dpy);
813 if(!parent)
814 parent = RootWindow(dpy, screen);
815
816 readstdin();
817 running = grabkeyboard();
818
819 setup(topbar);
820 drawmenu();
821 XSync(dpy, False);
822 run();
823 cleanup();
824 XCloseDisplay(dpy);
825 return ret;
826 }