1 /* See LICENSE file for copyright and license details. */
14 #include <X11/Xatom.h>
15 #include <X11/Xutil.h>
17 #include <X11/extensions/Xinerama.h>
19 #include <X11/Xft/Xft.h>
25 #define INTERSECT(x,y,w,h,r) (MAX(0, MIN((x)+(w),(r).x_org+(r).width) - MAX((x),(r).x_org)) \
26 * MAX(0, MIN((y)+(h),(r).y_org+(r).height) - MAX((y),(r).y_org)))
27 #define LENGTH(X) (sizeof X / sizeof X[0])
28 #define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
31 enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
35 struct item *left, *right;
39 static char text[BUFSIZ] = "";
41 static int bh, mw, mh;
42 static int inputw = 0, promptw;
43 static int lrpad; /* sum of left and right padding */
45 static struct item *items = NULL;
46 static struct item *matches, *matchend;
47 static struct item *prev, *curr, *next, *sel;
48 static int mon = -1, screen;
50 static Atom clip, utf8;
52 static Window root, parentwin, win;
56 static Clr *scheme[SchemeLast];
60 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
61 static char *(*fstrstr)(const char *, const char *) = strstr;
64 appenditem(struct item *item, struct item **list, struct item **last)
67 (*last)->right = item;
84 n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">"));
85 /* calculate which items will begin the next page and previous page */
86 for (i = 0, next = curr; next; next = next->right)
87 if ((i += (lines > 0) ? bh : MIN(TEXTW(next->text), n)) > n)
89 for (i = 0, prev = curr; prev && prev->left; prev = prev->left)
90 if ((i += (lines > 0) ? bh : MIN(TEXTW(prev->left->text), n)) > n)
99 XUngrabKey(dpy, AnyKey, AnyModifier, root);
100 for (i = 0; i < SchemeLast; i++)
108 cistrstr(const char *s, const char *sub)
112 for (len = strlen(sub); *s; s++)
113 if (!strncasecmp(s, sub, len))
119 drawitem(struct item *item, int x, int y, int w)
122 drw_setscheme(drw, scheme[SchemeSel]);
124 drw_setscheme(drw, scheme[SchemeOut]);
126 drw_setscheme(drw, scheme[SchemeNorm]);
128 return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0);
138 drw_setscheme(drw, scheme[SchemeNorm]);
139 drw_rect(drw, 0, 0, mw, mh, 1, 1);
141 if (prompt && *prompt) {
142 drw_setscheme(drw, scheme[SchemeSel]);
143 x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0);
145 /* draw input field */
146 w = (lines > 0 || !matches) ? mw - x : inputw;
147 drw_setscheme(drw, scheme[SchemeNorm]);
148 drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0);
150 curpos = TEXTW(text) - TEXTW(&text[cursor]);
151 if ((curpos += lrpad / 2 - 1) < w) {
152 drw_setscheme(drw, scheme[SchemeNorm]);
153 drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0);
157 /* draw vertical list */
158 for (item = curr; item != next; item = item->right)
159 drawitem(item, x, y += bh, mw - x);
160 } else if (matches) {
161 /* draw horizontal list */
165 drw_setscheme(drw, scheme[SchemeNorm]);
166 drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0);
169 for (item = curr; item != next; item = item->right)
170 x = drawitem(item, x, 0, MIN(TEXTW(item->text), mw - x - TEXTW(">")));
173 drw_setscheme(drw, scheme[SchemeNorm]);
174 drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0);
177 drw_map(drw, win, 0, 0, mw, mh);
183 struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 };
187 for (i = 0; i < 100; ++i) {
188 XGetInputFocus(dpy, &focuswin, &revertwin);
191 XSetInputFocus(dpy, win, RevertToParent, CurrentTime);
192 nanosleep(&ts, NULL);
194 die("cannot grab focus");
200 struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 };
205 /* try to grab keyboard, we may have to wait for another process to ungrab */
206 for (i = 0; i < 1000; i++) {
207 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync,
208 GrabModeAsync, CurrentTime) == GrabSuccess)
210 nanosleep(&ts, NULL);
212 die("cannot grab keyboard");
218 static char **tokv = NULL;
221 char buf[sizeof text], *s;
223 size_t len, textsize;
224 struct item *item, *lprefix, *lsubstr, *prefixend, *substrend;
227 /* separate input text into tokens to be matched individually */
228 for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " "))
229 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
230 die("cannot realloc %u bytes:", tokn * sizeof *tokv);
231 len = tokc ? strlen(tokv[0]) : 0;
233 matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
234 textsize = strlen(text) + 1;
235 for (item = items; item && item->text; item++) {
236 for (i = 0; i < tokc; i++)
237 if (!fstrstr(item->text, tokv[i]))
239 if (i != tokc) /* not all tokens match */
241 /* exact matches go first, then prefixes, then substrings */
242 if (!tokc || !fstrncmp(text, item->text, textsize))
243 appenditem(item, &matches, &matchend);
244 else if (!fstrncmp(tokv[0], item->text, len))
245 appenditem(item, &lprefix, &prefixend);
247 appenditem(item, &lsubstr, &substrend);
251 matchend->right = lprefix;
252 lprefix->left = matchend;
255 matchend = prefixend;
259 matchend->right = lsubstr;
260 lsubstr->left = matchend;
263 matchend = substrend;
265 curr = sel = matches;
270 insert(const char *str, ssize_t n)
272 if (strlen(text) + n > sizeof text - 1)
274 /* move existing text out of the way, insert new text, and update cursor */
275 memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));
277 memcpy(&text[cursor], str, n);
287 /* return location of next utf8 rune in the given direction (+1 or -1) */
288 for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc)
294 movewordedge(int dir)
296 if (dir < 0) { /* move cursor to the start of the word*/
297 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
298 cursor = nextrune(-1);
299 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
300 cursor = nextrune(-1);
301 } else { /* move cursor to the end of the word */
302 while (text[cursor] && strchr(worddelimiters, text[cursor]))
303 cursor = nextrune(+1);
304 while (text[cursor] && !strchr(worddelimiters, text[cursor]))
305 cursor = nextrune(+1);
310 keypress(XKeyEvent *ev)
317 len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
319 default: /* XLookupNone, XBufferOverflow */
328 if (ev->state & ControlMask) {
330 case XK_a: ksym = XK_Home; break;
331 case XK_b: ksym = XK_Left; break;
332 case XK_c: ksym = XK_Escape; break;
333 case XK_d: ksym = XK_Delete; break;
334 case XK_e: ksym = XK_End; break;
335 case XK_f: ksym = XK_Right; break;
336 case XK_g: ksym = XK_Escape; break;
337 case XK_h: ksym = XK_BackSpace; break;
338 case XK_i: ksym = XK_Tab; break;
339 case XK_j: /* fallthrough */
340 case XK_J: /* fallthrough */
341 case XK_m: /* fallthrough */
342 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break;
343 case XK_n: ksym = XK_Down; break;
344 case XK_p: ksym = XK_Up; break;
346 case XK_k: /* delete right */
350 case XK_u: /* delete left */
351 insert(NULL, 0 - cursor);
353 case XK_w: /* delete word */
354 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
355 insert(NULL, nextrune(-1) - cursor);
356 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
357 insert(NULL, nextrune(-1) - cursor);
359 case XK_y: /* paste selection */
361 XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
362 utf8, utf8, win, CurrentTime);
379 } else if (ev->state & Mod1Mask) {
387 case XK_g: ksym = XK_Home; break;
388 case XK_G: ksym = XK_End; break;
389 case XK_h: ksym = XK_Up; break;
390 case XK_j: ksym = XK_Next; break;
391 case XK_k: ksym = XK_Prior; break;
392 case XK_l: ksym = XK_Down; break;
405 if (text[cursor] == '\0')
407 cursor = nextrune(+1);
412 insert(NULL, nextrune(-1) - cursor);
415 if (text[cursor] != '\0') {
416 cursor = strlen(text);
420 /* jump to end of list and position items in reverse */
425 while (next && (curr = curr->right))
434 if (sel == matches) {
438 sel = curr = matches;
442 if (cursor > 0 && (!sel || !sel->left || lines > 0)) {
443 cursor = nextrune(-1);
450 if (sel && sel->left && (sel = sel->left)->right == curr) {
469 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
470 if (!(ev->state & ControlMask)) {
478 if (text[cursor] != '\0') {
479 cursor = nextrune(+1);
486 if (sel && sel->right && (sel = sel->right) == next) {
494 strncpy(text, sel->text, sizeof text - 1);
495 text[sizeof text - 1] = '\0';
496 cursor = strlen(text);
513 /* we have been given the current selection, now insert it into input */
514 if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
515 utf8, &da, &di, &dl, &dl, (unsigned char **)&p)
517 insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));
526 char buf[sizeof text], *p;
527 size_t i, imax = 0, size = 0;
528 unsigned int tmpmax = 0;
530 /* read each line from stdin and add it to the item list */
531 for (i = 0; fgets(buf, sizeof buf, stdin); i++) {
532 if (i + 1 >= size / sizeof *items)
533 if (!(items = realloc(items, (size += BUFSIZ))))
534 die("cannot realloc %u bytes:", size);
535 if ((p = strchr(buf, '\n')))
537 if (!(items[i].text = strdup(buf)))
538 die("cannot strdup %u bytes:", strlen(buf) + 1);
540 drw_font_getexts(drw->fonts, buf, strlen(buf), &tmpmax, NULL);
541 if (tmpmax > inputw) {
547 items[i].text = NULL;
548 inputw = items ? TEXTW(items[imax].text) : 0;
549 lines = MIN(lines, i);
557 while (!XNextEvent(dpy, &ev)) {
558 if (XFilterEvent(&ev, None))
562 if (ev.xexpose.count == 0)
563 drw_map(drw, win, 0, 0, mw, mh);
566 /* regrab focus from parent window */
567 if (ev.xfocus.window != win)
573 case SelectionNotify:
574 if (ev.xselection.property == utf8)
577 case VisibilityNotify:
578 if (ev.xvisibility.state != VisibilityUnobscured)
579 XRaiseWindow(dpy, win);
590 XSetWindowAttributes swa;
593 XWindowAttributes wa;
594 XClassHint ch = {"dmenu", "dmenu"};
596 XineramaScreenInfo *info;
598 int a, di, n, area = 0;
600 /* init appearance */
601 for (j = 0; j < SchemeLast; j++)
602 scheme[j] = drw_scm_create(drw, colors[j], 2);
604 clip = XInternAtom(dpy, "CLIPBOARD", False);
605 utf8 = XInternAtom(dpy, "UTF8_STRING", False);
607 /* calculate menu geometry */
608 bh = drw->fonts->h + 2;
609 lines = MAX(lines, 0);
610 mh = (lines + 1) * bh;
613 if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) {
614 XGetInputFocus(dpy, &w, &di);
615 if (mon >= 0 && mon < n)
617 else if (w != root && w != PointerRoot && w != None) {
618 /* find top-level window containing current input focus */
620 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws)
622 } while (w != root && w != pw);
623 /* find xinerama screen with which the window intersects most */
624 if (XGetWindowAttributes(dpy, pw, &wa))
625 for (j = 0; j < n; j++)
626 if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {
631 /* no focused window is on screen, so use pointer location instead */
632 if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
633 for (i = 0; i < n; i++)
634 if (INTERSECT(x, y, 1, 1, info[i]))
638 y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
644 if (!XGetWindowAttributes(dpy, parentwin, &wa))
645 die("could not get embedding window attributes: 0x%lx",
648 y = topbar ? 0 : wa.height - mh;
651 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
652 inputw = MIN(inputw, mw/3);
655 /* create menu window */
656 swa.override_redirect = True;
657 swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
658 swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
659 win = XCreateWindow(dpy, parentwin, x, y, mw, mh, 0,
660 CopyFromParent, CopyFromParent, CopyFromParent,
661 CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
662 XSetClassHint(dpy, win, &ch);
664 /* open input methods */
665 xim = XOpenIM(dpy, NULL, NULL, NULL);
666 xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
667 XNClientWindow, win, XNFocusWindow, win, NULL);
669 XMapRaised(dpy, win);
670 XSetInputFocus(dpy, win, RevertToParent, CurrentTime);
672 XSelectInput(dpy, parentwin, FocusChangeMask);
673 if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) {
674 for (i = 0; i < du && dws[i] != win; ++i)
675 XSelectInput(dpy, dws[i], FocusChangeMask);
680 drw_resize(drw, mw, mh);
687 fputs("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
688 " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr);
693 main(int argc, char *argv[])
695 XWindowAttributes wa;
698 for (i = 1; i < argc; i++)
699 /* these options take no arguments */
700 if (!strcmp(argv[i], "-v")) { /* prints version information */
701 puts("dmenu-"VERSION);
703 } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
705 else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */
707 else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
708 fstrncmp = strncasecmp;
710 } else if (i + 1 == argc)
712 /* these options take one argument */
713 else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */
714 lines = atoi(argv[++i]);
715 else if (!strcmp(argv[i], "-m"))
716 mon = atoi(argv[++i]);
717 else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */
719 else if (!strcmp(argv[i], "-fn")) /* font or font set */
720 fonts[0] = argv[++i];
721 else if (!strcmp(argv[i], "-nb")) /* normal background color */
722 colors[SchemeNorm][ColBg] = argv[++i];
723 else if (!strcmp(argv[i], "-nf")) /* normal foreground color */
724 colors[SchemeNorm][ColFg] = argv[++i];
725 else if (!strcmp(argv[i], "-sb")) /* selected background color */
726 colors[SchemeSel][ColBg] = argv[++i];
727 else if (!strcmp(argv[i], "-sf")) /* selected foreground color */
728 colors[SchemeSel][ColFg] = argv[++i];
729 else if (!strcmp(argv[i], "-w")) /* embedding window id */
734 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
735 fputs("warning: no locale support\n", stderr);
736 if (!XSetLocaleModifiers(""))
737 fputs("warning: no locale modifiers support\n", stderr);
738 if (!(dpy = XOpenDisplay(NULL)))
739 die("cannot open display");
740 screen = DefaultScreen(dpy);
741 root = RootWindow(dpy, screen);
742 if (!embed || !(parentwin = strtol(embed, NULL, 0)))
744 if (!XGetWindowAttributes(dpy, parentwin, &wa))
745 die("could not get embedding window attributes: 0x%lx",
747 drw = drw_create(dpy, screen, root, wa.width, wa.height);
748 if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
749 die("no fonts could be loaded.");
750 lrpad = drw->fonts->h;
753 if (pledge("stdio rpath", NULL) == -1)
767 return 1; /* unreachable */