dmenu.c (22708B) download
1/* See LICENSE file for copyright and license details. */
2#include <ctype.h>
3#include <locale.h>
4#include <stdio.h>
5#include <stdlib.h>
6#include <string.h>
7#include <strings.h>
8#include <time.h>
9#include <unistd.h>
10
11#include <X11/Xlib.h>
12#include <X11/Xatom.h>
13#include <X11/Xutil.h>
14#ifdef XINERAMA
15#include <X11/extensions/Xinerama.h>
16#endif
17#include <X11/Xft/Xft.h>
18
19#include "drw.h"
20#include "util.h"
21
22/* macros */
23#define INTERSECT(x,y,w,h,r) (MAX(0, MIN((x)+(w),(r).x_org+(r).width) - MAX((x),(r).x_org)) \
24 * MAX(0, MIN((y)+(h),(r).y_org+(r).height) - MAX((y),(r).y_org)))
25#define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
26#define NUMBERSMAXDIGITS 100
27#define NUMBERSBUFSIZE (NUMBERSMAXDIGITS * 2) + 1
28
29/* enums */
30enum { SchemeNorm, SchemeSel, SchemeOut, SchemeNormHighlight, SchemeSelHighlight, SchemeLast }; /* color schemes */
31
32struct item {
33 char *text;
34 struct item *left, *right;
35 int out;
36};
37
38static char numbers[NUMBERSBUFSIZE] = "";
39static char text[BUFSIZ] = "";
40static char *embed;
41static int bh, mw, mh;
42static int inputw = 0, promptw;
43static int lrpad; /* sum of left and right padding */
44static size_t cursor;
45static struct item *items = NULL;
46static struct item *matches, *matchend;
47static struct item *prev, *curr, *next, *sel;
48static int mon = -1, screen;
49static unsigned int max_lines = 0;
50
51static Atom clip, utf8;
52static Display *dpy;
53static Window root, parentwin, win;
54static XIC xic;
55
56static Drw *drw;
57static Clr *scheme[SchemeLast];
58
59#include "config.h"
60
61static char * cistrstr(const char *s, const char *sub);
62static int (*fstrncmp)(const char *, const char *, size_t) = strncasecmp;
63static char *(*fstrstr)(const char *, const char *) = cistrstr;
64
65static unsigned int
66textw_clamp(const char *str, unsigned int n)
67{
68 unsigned int w = drw_fontset_getwidth_clamp(drw, str, n) + lrpad;
69 return MIN(w, n);
70}
71
72static void
73appenditem(struct item *item, struct item **list, struct item **last)
74{
75 if (*last)
76 (*last)->right = item;
77 else
78 *list = item;
79
80 item->left = *last;
81 item->right = NULL;
82 *last = item;
83}
84
85static void
86calcoffsets(void)
87{
88 int i, n;
89
90 if (lines > 0)
91 n = lines * bh;
92 else
93 n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">") + TEXTW(numbers));
94 /* calculate which items will begin the next page and previous page */
95 for (i = 0, next = curr; next; next = next->right)
96 if ((i += (lines > 0) ? bh : textw_clamp(next->text, n)) > n)
97 break;
98 for (i = 0, prev = curr; prev && prev->left; prev = prev->left)
99 if ((i += (lines > 0) ? bh : textw_clamp(prev->left->text, n)) > n)
100 break;
101}
102
103static void
104cleanup(void)
105{
106 size_t i;
107
108 XUngrabKey(dpy, AnyKey, AnyModifier, root);
109 for (i = 0; i < SchemeLast; i++)
110 free(scheme[i]);
111 for (i = 0; items && items[i].text; ++i)
112 free(items[i].text);
113 free(items);
114 drw_free(drw);
115 XSync(dpy, False);
116 XCloseDisplay(dpy);
117}
118
119static char *
120cistrstr(const char *h, const char *n)
121{
122 size_t i;
123
124 if (!n[0])
125 return (char *)h;
126
127 for (; *h; ++h) {
128 for (i = 0; n[i] && tolower((unsigned char)n[i]) ==
129 tolower((unsigned char)h[i]); ++i)
130 ;
131 if (n[i] == '\0')
132 return (char *)h;
133 }
134 return NULL;
135}
136
137static void
138drawhighlights(struct item *item, int x, int y, int maxw)
139{
140 char restorechar, tokens[sizeof text], *highlight, *token;
141 int indentx, highlightlen;
142
143 drw_setscheme(drw, scheme[item == sel ? SchemeSelHighlight : SchemeNormHighlight]);
144 strcpy(tokens, text);
145 for (token = strtok(tokens, " "); token; token = strtok(NULL, " ")) {
146 highlight = fstrstr(item->text, token);
147 while (highlight) {
148 // Move item str end, calc width for highlight indent, & restore
149 highlightlen = highlight - item->text;
150 restorechar = *highlight;
151 item->text[highlightlen] = '\0';
152 indentx = TEXTW(item->text);
153 item->text[highlightlen] = restorechar;
154
155 // Move highlight str end, draw highlight, & restore
156 restorechar = highlight[strlen(token)];
157 highlight[strlen(token)] = '\0';
158 if (indentx - (lrpad / 2) - 1 < maxw)
159 drw_text(
160 drw,
161 x + indentx - (lrpad / 2) - 1,
162 y,
163 MIN(maxw - indentx, TEXTW(highlight) - lrpad),
164 bh, 0, highlight, 0
165 );
166 highlight[strlen(token)] = restorechar;
167
168 if (strlen(highlight) - strlen(token) < strlen(token)) break;
169 highlight = fstrstr(highlight + strlen(token), token);
170 }
171 }
172}
173
174static int
175drawitem(struct item *item, int x, int y, int w)
176{
177 if (item == sel)
178 drw_setscheme(drw, scheme[SchemeSel]);
179 else if (item->out)
180 drw_setscheme(drw, scheme[SchemeOut]);
181 else
182 drw_setscheme(drw, scheme[SchemeNorm]);
183
184 int r = drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0);
185 drawhighlights(item, x, y, w);
186 return r;
187}
188
189static void
190recalculatenumbers()
191{
192 unsigned int numer = 0, denom = 0;
193 struct item *item;
194 if (matchend) {
195 numer++;
196 for (item = matchend; item && item->left; item = item->left)
197 numer++;
198 }
199 for (item = items; item && item->text; item++)
200 denom++;
201 snprintf(numbers, NUMBERSBUFSIZE, "%d/%d", numer, denom);
202}
203
204static void
205drawmenu(void)
206{
207 unsigned int curpos;
208 struct item *item;
209 int x = 0, y = 0, w;
210
211 drw_setscheme(drw, scheme[SchemeNorm]);
212 drw_rect(drw, 0, 0, mw, mh, 1, 1);
213
214 if (prompt && *prompt) {
215 drw_setscheme(drw, scheme[SchemeSel]);
216 x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0);
217 }
218 /* draw input field */
219 w = (lines > 0 || !matches) ? mw - x : inputw;
220 drw_setscheme(drw, scheme[SchemeNorm]);
221 drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0);
222
223 curpos = TEXTW(text) - TEXTW(&text[cursor]);
224 if ((curpos += lrpad / 2 - 1) < w) {
225 drw_setscheme(drw, scheme[SchemeNorm]);
226 drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0);
227 }
228
229 recalculatenumbers();
230 if (lines > 0) {
231 /* draw vertical list */
232 for (item = curr; item != next; item = item->right)
233 drawitem(item, x, y += bh, mw - x);
234 } else if (matches) {
235 /* draw horizontal list */
236 x += inputw;
237 w = TEXTW("<");
238 if (curr->left) {
239 drw_setscheme(drw, scheme[SchemeNorm]);
240 drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0);
241 }
242 x += w;
243 for (item = curr; item != next; item = item->right)
244 x = drawitem(item, x, 0, textw_clamp(item->text, mw - x - TEXTW(">") - TEXTW(numbers)));
245 if (next) {
246 w = TEXTW(">");
247 drw_setscheme(drw, scheme[SchemeNorm]);
248 drw_text(drw, mw - w - TEXTW(numbers), 0, w, bh, lrpad / 2, ">", 0);
249 }
250 }
251 drw_setscheme(drw, scheme[SchemeNorm]);
252 drw_text(drw, mw - TEXTW(numbers), 0, TEXTW(numbers), bh, lrpad / 2, numbers, 0);
253 drw_map(drw, win, 0, 0, mw, mh);
254}
255
256static void
257grabfocus(void)
258{
259 struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 };
260 Window focuswin;
261 int i, revertwin;
262
263 for (i = 0; i < 100; ++i) {
264 XGetInputFocus(dpy, &focuswin, &revertwin);
265 if (focuswin == win)
266 return;
267 XSetInputFocus(dpy, win, RevertToParent, CurrentTime);
268 nanosleep(&ts, NULL);
269 }
270 die("cannot grab focus");
271}
272
273static void
274grabkeyboard(void)
275{
276 struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 };
277 int i;
278
279 if (embed)
280 return;
281 /* try to grab keyboard, we may have to wait for another process to ungrab */
282 for (i = 0; i < 1000; i++) {
283 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync,
284 GrabModeAsync, CurrentTime) == GrabSuccess)
285 return;
286 nanosleep(&ts, NULL);
287 }
288 die("cannot grab keyboard");
289}
290
291static void readstdin(FILE* stream);
292
293static void
294refreshoptions()
295{
296 int dynlen = strlen(dynamic);
297 int cmdlen = dynlen + 4;
298 char *cmd;
299 char *c;
300 char *t = text;
301 while (*t)
302 cmdlen += *t++ == '\'' ? 4 : 1;
303 cmd = malloc(cmdlen);
304 if (cmd == NULL)
305 die("cannot malloc %u bytes:", cmdlen);
306 strcpy(cmd, dynamic);
307 t = text;
308 c = cmd + dynlen;
309 *(c++) = ' ';
310 *(c++) = '\'';
311 while (*t) {
312 // prefix ' with '\'
313 if (*t == '\'') {
314 *(c++) = '\'';
315 *(c++) = '\\';
316 *(c++) = '\'';
317 }
318 *(c++) = *(t++);
319 }
320 *(c++) = '\'';
321 *(c++) = 0;
322 FILE *stream = popen(cmd, "r");
323 if (!stream)
324 die("could not popen dynamic command (%s):", cmd);
325 readstdin(stream);
326 int r = pclose(stream);
327 if (r == -1)
328 die("could not pclose dynamic command");
329 free(cmd);
330}
331
332static void
333match(void)
334{
335 static char **tokv = NULL;
336 static int tokn = 0;
337
338 char buf[sizeof text], *s;
339 int i, tokc = 0;
340 size_t len, textsize;
341 struct item *item, *lprefix, *lsubstr, *prefixend, *substrend;
342
343 if (dynamic) {
344 refreshoptions();
345 matches = matchend = NULL;
346 for (item = items; item && item->text; item++)
347 appenditem(item, &matches, &matchend);
348 curr = sel = matches;
349 calcoffsets();
350 return;
351 }
352
353 strcpy(buf, text);
354 /* separate input text into tokens to be matched individually */
355 for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " "))
356 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
357 die("cannot realloc %zu bytes:", tokn * sizeof *tokv);
358 len = tokc ? strlen(tokv[0]) : 0;
359
360 matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
361 textsize = strlen(text) + 1;
362 for (item = items; item && item->text; item++) {
363 for (i = 0; i < tokc; i++)
364 if (!fstrstr(item->text, tokv[i]))
365 break;
366 if (i != tokc) /* not all tokens match */
367 continue;
368 /* exact matches go first, then prefixes, then substrings */
369 if (!tokc || !fstrncmp(text, item->text, textsize))
370 appenditem(item, &matches, &matchend);
371 else if (!fstrncmp(tokv[0], item->text, len))
372 appenditem(item, &lprefix, &prefixend);
373 else
374 appenditem(item, &lsubstr, &substrend);
375 }
376 if (lprefix) {
377 if (matches) {
378 matchend->right = lprefix;
379 lprefix->left = matchend;
380 } else
381 matches = lprefix;
382 matchend = prefixend;
383 }
384 if (lsubstr) {
385 if (matches) {
386 matchend->right = lsubstr;
387 lsubstr->left = matchend;
388 } else
389 matches = lsubstr;
390 matchend = substrend;
391 }
392 curr = sel = matches;
393 calcoffsets();
394}
395
396static void
397insert(const char *str, ssize_t n)
398{
399 if (strlen(text) + n > sizeof text - 1)
400 return;
401 /* move existing text out of the way, insert new text, and update cursor */
402 memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));
403 if (n > 0)
404 memcpy(&text[cursor], str, n);
405 cursor += n;
406 match();
407}
408
409static size_t
410nextrune(int inc)
411{
412 ssize_t n;
413
414 /* return location of next utf8 rune in the given direction (+1 or -1) */
415 for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc)
416 ;
417 return n;
418}
419
420static void
421movewordedge(int dir)
422{
423 if (dir < 0) { /* move cursor to the start of the word*/
424 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
425 cursor = nextrune(-1);
426 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
427 cursor = nextrune(-1);
428 } else { /* move cursor to the end of the word */
429 while (text[cursor] && strchr(worddelimiters, text[cursor]))
430 cursor = nextrune(+1);
431 while (text[cursor] && !strchr(worddelimiters, text[cursor]))
432 cursor = nextrune(+1);
433 }
434}
435
436static void
437keypress(XKeyEvent *ev)
438{
439 char buf[64];
440 int len;
441 KeySym ksym = NoSymbol;
442 Status status;
443
444 len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
445 switch (status) {
446 default: /* XLookupNone, XBufferOverflow */
447 return;
448 case XLookupChars: /* composed string from input method */
449 goto insert;
450 case XLookupKeySym:
451 case XLookupBoth: /* a KeySym and a string are returned: use keysym */
452 break;
453 }
454
455 if (ev->state & ControlMask) {
456 switch(ksym) {
457 case XK_a: ksym = XK_Home; break;
458 case XK_b: ksym = XK_Left; break;
459 case XK_c: ksym = XK_Escape; break;
460 case XK_d: ksym = XK_Delete; break;
461 case XK_e: ksym = XK_End; break;
462 case XK_f: ksym = XK_Right; break;
463 case XK_g: ksym = XK_Escape; break;
464 case XK_h: ksym = XK_BackSpace; break;
465 case XK_i: ksym = XK_Tab; break;
466 case XK_j: /* fallthrough */
467 case XK_J: /* fallthrough */
468 case XK_m: /* fallthrough */
469 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break;
470 case XK_n: ksym = XK_Down; break;
471 case XK_p: ksym = XK_Up; break;
472
473 case XK_k: /* delete right */
474 text[cursor] = '\0';
475 match();
476 break;
477 case XK_u: /* delete left */
478 insert(NULL, 0 - cursor);
479 break;
480 case XK_w: /* delete word */
481 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
482 insert(NULL, nextrune(-1) - cursor);
483 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
484 insert(NULL, nextrune(-1) - cursor);
485 break;
486 case XK_y: /* paste selection */
487 case XK_Y:
488 XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
489 utf8, utf8, win, CurrentTime);
490 return;
491 case XK_Left:
492 case XK_KP_Left:
493 movewordedge(-1);
494 goto draw;
495 case XK_Right:
496 case XK_KP_Right:
497 movewordedge(+1);
498 goto draw;
499 case XK_Return:
500 case XK_KP_Enter:
501 break;
502 case XK_bracketleft:
503 cleanup();
504 exit(1);
505 default:
506 return;
507 }
508 } else if (ev->state & Mod1Mask) {
509 switch(ksym) {
510 case XK_b:
511 movewordedge(-1);
512 goto draw;
513 case XK_f:
514 movewordedge(+1);
515 goto draw;
516 case XK_g: ksym = XK_Home; break;
517 case XK_G: ksym = XK_End; break;
518 case XK_h: ksym = XK_Up; break;
519 case XK_j: ksym = XK_Next; break;
520 case XK_k: ksym = XK_Prior; break;
521 case XK_l: ksym = XK_Down; break;
522 default:
523 return;
524 }
525 }
526
527 switch(ksym) {
528 default:
529insert:
530 if (!iscntrl((unsigned char)*buf))
531 insert(buf, len);
532 break;
533 case XK_Delete:
534 case XK_KP_Delete:
535 if (text[cursor] == '\0')
536 return;
537 cursor = nextrune(+1);
538 /* fallthrough */
539 case XK_BackSpace:
540 if (cursor == 0)
541 return;
542 insert(NULL, nextrune(-1) - cursor);
543 break;
544 case XK_End:
545 case XK_KP_End:
546 if (text[cursor] != '\0') {
547 cursor = strlen(text);
548 break;
549 }
550 if (next) {
551 /* jump to end of list and position items in reverse */
552 curr = matchend;
553 calcoffsets();
554 curr = prev;
555 calcoffsets();
556 while (next && (curr = curr->right))
557 calcoffsets();
558 }
559 sel = matchend;
560 break;
561 case XK_Escape:
562 cleanup();
563 exit(1);
564 case XK_Home:
565 case XK_KP_Home:
566 if (sel == matches) {
567 cursor = 0;
568 break;
569 }
570 sel = curr = matches;
571 calcoffsets();
572 break;
573 case XK_Left:
574 case XK_KP_Left:
575 if (cursor > 0 && (!sel || !sel->left || lines > 0)) {
576 cursor = nextrune(-1);
577 break;
578 }
579 if (lines > 0)
580 return;
581 /* fallthrough */
582 case XK_Up:
583 case XK_KP_Up:
584 if (sel && sel->left && (sel = sel->left)->right == curr) {
585 curr = prev;
586 calcoffsets();
587 }
588 break;
589 case XK_Next:
590 case XK_KP_Next:
591 if (!next)
592 return;
593 sel = curr = next;
594 calcoffsets();
595 break;
596 case XK_Prior:
597 case XK_KP_Prior:
598 if (!prev)
599 return;
600 sel = curr = prev;
601 calcoffsets();
602 break;
603 case XK_Return:
604 case XK_KP_Enter:
605 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
606 if (!(ev->state & ControlMask)) {
607 cleanup();
608 exit(0);
609 }
610 if (sel)
611 sel->out = 1;
612 break;
613 case XK_Right:
614 case XK_KP_Right:
615 if (text[cursor] != '\0') {
616 cursor = nextrune(+1);
617 break;
618 }
619 if (lines > 0)
620 return;
621 /* fallthrough */
622 case XK_Down:
623 case XK_KP_Down:
624 if (sel && sel->right && (sel = sel->right) == next) {
625 curr = next;
626 calcoffsets();
627 }
628 break;
629 case XK_Tab:
630 if (!sel)
631 return;
632 cursor = strnlen(sel->text, sizeof text - 1);
633 memcpy(text, sel->text, cursor);
634 text[cursor] = '\0';
635 match();
636 break;
637 }
638
639draw:
640 drawmenu();
641}
642
643static void
644paste(void)
645{
646 char *p, *q;
647 int di;
648 unsigned long dl;
649 Atom da;
650
651 /* we have been given the current selection, now insert it into input */
652 if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
653 utf8, &da, &di, &dl, &dl, (unsigned char **)&p)
654 == Success && p) {
655 insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));
656 XFree(p);
657 }
658 drawmenu();
659}
660
661static void
662readstdin(FILE* stream)
663{
664 char *line = NULL;
665 size_t i, itemsiz = 0, linesiz = 0;
666 ssize_t len;
667
668 /* read each line from stdin and add it to the item list */
669 for (i = 0; (len = getline(&line, &linesiz, stream)) != -1; i++) {
670 if (i + 1 >= itemsiz) {
671 itemsiz += 256;
672 if (!(items = realloc(items, itemsiz * sizeof(*items))))
673 die("cannot realloc %zu bytes:", itemsiz * sizeof(*items));
674 }
675 if (line[len - 1] == '\n')
676 line[len - 1] = '\0';
677 if (!(items[i].text = strdup(line)))
678 die("strdup:");
679
680 items[i].out = 0;
681 }
682 free(line);
683 if (items)
684 items[i].text = NULL;
685 lines = MIN(max_lines, i);
686}
687
688static void
689run(void)
690{
691 XEvent ev;
692
693 while (!XNextEvent(dpy, &ev)) {
694 if (XFilterEvent(&ev, win))
695 continue;
696 switch(ev.type) {
697 case DestroyNotify:
698 if (ev.xdestroywindow.window != win)
699 break;
700 cleanup();
701 exit(1);
702 case Expose:
703 if (ev.xexpose.count == 0)
704 drw_map(drw, win, 0, 0, mw, mh);
705 break;
706 case FocusIn:
707 /* regrab focus from parent window */
708 if (ev.xfocus.window != win)
709 grabfocus();
710 break;
711 case KeyPress:
712 keypress(&ev.xkey);
713 break;
714 case SelectionNotify:
715 if (ev.xselection.property == utf8)
716 paste();
717 break;
718 case VisibilityNotify:
719 if (ev.xvisibility.state != VisibilityUnobscured)
720 XRaiseWindow(dpy, win);
721 break;
722 }
723 }
724}
725
726static void
727setup(void)
728{
729 int x, y, i, j;
730 unsigned int du;
731 XSetWindowAttributes swa;
732 XIM xim;
733 Window w, dw, *dws;
734 XWindowAttributes wa;
735 XClassHint ch = {"dmenu", "dmenu"};
736#ifdef XINERAMA
737 XineramaScreenInfo *info;
738 Window pw;
739 int a, di, n, area = 0;
740#endif
741 /* init appearance */
742 for (j = 0; j < SchemeLast; j++)
743 scheme[j] = drw_scm_create(drw, colors[j], 2);
744
745 clip = XInternAtom(dpy, "CLIPBOARD", False);
746 utf8 = XInternAtom(dpy, "UTF8_STRING", False);
747
748 /* calculate menu geometry */
749 bh = drw->fonts->h;
750 bh = user_bh ? bh + user_bh : bh + 2;
751 lines = MAX(lines, 0);
752 mh = (lines + 1) * bh;
753#ifdef XINERAMA
754 i = 0;
755 if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) {
756 XGetInputFocus(dpy, &w, &di);
757 if (mon >= 0 && mon < n)
758 i = mon;
759 else if (w != root && w != PointerRoot && w != None) {
760 /* find top-level window containing current input focus */
761 do {
762 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws)
763 XFree(dws);
764 } while (w != root && w != pw);
765 /* find xinerama screen with which the window intersects most */
766 if (XGetWindowAttributes(dpy, pw, &wa))
767 for (j = 0; j < n; j++)
768 if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {
769 area = a;
770 i = j;
771 }
772 }
773 /* no focused window is on screen, so use pointer location instead */
774 if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
775 for (i = 0; i < n; i++)
776 if (INTERSECT(x, y, 1, 1, info[i]) != 0)
777 break;
778
779 x = info[i].x_org;
780 y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
781 mw = info[i].width;
782 XFree(info);
783 } else
784#endif
785 {
786 if (!XGetWindowAttributes(dpy, parentwin, &wa))
787 die("could not get embedding window attributes: 0x%lx",
788 parentwin);
789 x = 0;
790 y = topbar ? 0 : wa.height - mh;
791 mw = wa.width;
792 }
793 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
794 inputw = mw / 3; /* input width: ~33% of monitor width */
795 match();
796
797 /* create menu window */
798 swa.override_redirect = True;
799 swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
800 swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
801 win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
802 CopyFromParent, CopyFromParent, CopyFromParent,
803 CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
804 XSetClassHint(dpy, win, &ch);
805
806 /* input methods */
807 if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL)
808 die("XOpenIM failed: could not open input device");
809
810 xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
811 XNClientWindow, win, XNFocusWindow, win, NULL);
812
813 XMapRaised(dpy, win);
814 if (embed) {
815 XReparentWindow(dpy, win, parentwin, x, y);
816 XSelectInput(dpy, parentwin, FocusChangeMask | SubstructureNotifyMask);
817 if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) {
818 for (i = 0; i < du && dws[i] != win; ++i)
819 XSelectInput(dpy, dws[i], FocusChangeMask);
820 XFree(dws);
821 }
822 grabfocus();
823 }
824 drw_resize(drw, mw, mh);
825 drawmenu();
826}
827
828static void
829usage(void)
830{
831 die("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
832 " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n"
833 " [-dy command]\n");
834}
835
836int
837main(int argc, char *argv[])
838{
839 XWindowAttributes wa;
840 int i, fast = 0;
841
842 for (i = 1; i < argc; i++)
843 /* these options take no arguments */
844 if (!strcmp(argv[i], "-v")) { /* prints version information */
845 puts("dmenu-"VERSION);
846 exit(0);
847 } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
848 topbar = 0;
849 else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */
850 fast = 1;
851 else if (!strcmp(argv[i], "-s")) { /* case-sensitive item matching */
852 fstrncmp = strncmp;
853 fstrstr = strstr;
854 } else if (i + 1 == argc)
855 usage();
856 /* these options take one argument */
857 else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */
858 lines = atoi(argv[++i]);
859 else if (!strcmp(argv[i], "-m"))
860 mon = atoi(argv[++i]);
861 else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */
862 prompt = argv[++i];
863 else if (!strcmp(argv[i], "-fn")) /* font or font set */
864 fonts[0] = argv[++i];
865 else if (!strcmp(argv[i], "-nb")) /* normal background color */
866 colors[SchemeNorm][ColBg] = argv[++i];
867 else if (!strcmp(argv[i], "-nf")) /* normal foreground color */
868 colors[SchemeNorm][ColFg] = argv[++i];
869 else if (!strcmp(argv[i], "-sb")) /* selected background color */
870 colors[SchemeSel][ColBg] = argv[++i];
871 else if (!strcmp(argv[i], "-sf")) /* selected foreground color */
872 colors[SchemeSel][ColFg] = argv[++i];
873 else if (!strcmp(argv[i], "-w")) /* embedding window id */
874 embed = argv[++i];
875 else if (!strcmp(argv[i], "-dy")) /* dynamic command to run */
876 dynamic = argv[++i] && *argv[i] ? argv[i] : NULL;
877 else
878 usage();
879
880 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
881 fputs("warning: no locale support\n", stderr);
882 if (!(dpy = XOpenDisplay(NULL)))
883 die("cannot open display");
884 screen = DefaultScreen(dpy);
885 root = RootWindow(dpy, screen);
886 if (!embed || !(parentwin = strtol(embed, NULL, 0)))
887 parentwin = root;
888 if (!XGetWindowAttributes(dpy, parentwin, &wa))
889 die("could not get embedding window attributes: 0x%lx",
890 parentwin);
891 drw = drw_create(dpy, screen, root, wa.width, wa.height);
892 if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
893 die("no fonts could be loaded.");
894 lrpad = drw->fonts->h;
895
896#ifdef __OpenBSD__
897 if (pledge("stdio rpath", NULL) == -1)
898 die("pledge");
899#endif
900
901 max_lines = lines;
902 if (fast && !isatty(0)) {
903 grabkeyboard();
904 if (!dynamic)
905 readstdin(stdin);
906 } else {
907 if (!dynamic)
908 readstdin(stdin);
909 grabkeyboard();
910 }
911 setup();
912 run();
913
914 return 1; /* unreachable */
915}