1 /* See LICENSE file for copyright and license details. */
11 #include <X11/Xatom.h>
12 #include <X11/Xutil.h>
14 #include <X11/extensions/Xinerama.h>
16 #include <X11/Xft/Xft.h>
22 #define INTERSECT(x,y,w,h,r) (MAX(0, MIN((x)+(w),(r).x_org+(r).width) - MAX((x),(r).x_org)) \
23 * MAX(0, MIN((y)+(h),(r).y_org+(r).height) - MAX((y),(r).y_org)))
24 #define LENGTH(X) (sizeof X / sizeof X[0])
25 #define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
28 enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
32 struct item *left, *right;
36 static char text[BUFSIZ] = "";
38 static int bh, mw, mh;
39 static int inputw = 0, promptw;
40 static int lrpad; /* sum of left and right padding */
42 static struct item *items = NULL;
43 static struct item *matches, *matchend;
44 static struct item *prev, *curr, *next, *sel;
45 static int mon = -1, screen;
47 static Atom clip, utf8;
49 static Window root, parentwin, win;
53 static Clr *scheme[SchemeLast];
57 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
58 static char *(*fstrstr)(const char *, const char *) = strstr;
61 appenditem(struct item *item, struct item **list, struct item **last)
64 (*last)->right = item;
81 n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">"));
82 /* calculate which items will begin the next page and previous page */
83 for (i = 0, next = curr; next; next = next->right)
84 if ((i += (lines > 0) ? bh : MIN(TEXTW(next->text), n)) > n)
86 for (i = 0, prev = curr; prev && prev->left; prev = prev->left)
87 if ((i += (lines > 0) ? bh : MIN(TEXTW(prev->left->text), n)) > n)
96 XUngrabKey(dpy, AnyKey, AnyModifier, root);
97 for (i = 0; i < SchemeLast; i++)
105 cistrstr(const char *s, const char *sub)
109 for (len = strlen(sub); *s; s++)
110 if (!strncasecmp(s, sub, len))
116 drawitem(struct item *item, int x, int y, int w)
119 drw_setscheme(drw, scheme[SchemeSel]);
121 drw_setscheme(drw, scheme[SchemeOut]);
123 drw_setscheme(drw, scheme[SchemeNorm]);
125 return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0);
135 drw_setscheme(drw, scheme[SchemeNorm]);
136 drw_rect(drw, 0, 0, mw, mh, 1, 1);
138 if (prompt && *prompt) {
139 drw_setscheme(drw, scheme[SchemeSel]);
140 x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0);
142 /* draw input field */
143 w = (lines > 0 || !matches) ? mw - x : inputw;
144 drw_setscheme(drw, scheme[SchemeNorm]);
145 drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0);
147 drw_font_getexts(drw->fonts, text, cursor, &curpos, NULL);
148 if ((curpos += lrpad / 2 - 1) < w) {
149 drw_setscheme(drw, scheme[SchemeNorm]);
150 drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0);
154 /* draw vertical list */
155 for (item = curr; item != next; item = item->right)
156 drawitem(item, x, y += bh, mw - x);
157 } else if (matches) {
158 /* draw horizontal list */
162 drw_setscheme(drw, scheme[SchemeNorm]);
163 drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0);
166 for (item = curr; item != next; item = item->right)
167 x = drawitem(item, x, 0, MIN(TEXTW(item->text), mw - x - TEXTW(">")));
170 drw_setscheme(drw, scheme[SchemeNorm]);
171 drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0);
174 drw_map(drw, win, 0, 0, mw, mh);
180 struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 };
184 for (i = 0; i < 100; ++i) {
185 XGetInputFocus(dpy, &focuswin, &revertwin);
188 XSetInputFocus(dpy, win, RevertToParent, CurrentTime);
189 nanosleep(&ts, NULL);
191 die("cannot grab focus");
197 struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 };
202 /* try to grab keyboard, we may have to wait for another process to ungrab */
203 for (i = 0; i < 1000; i++) {
204 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync,
205 GrabModeAsync, CurrentTime) == GrabSuccess)
207 nanosleep(&ts, NULL);
209 die("cannot grab keyboard");
215 static char **tokv = NULL;
218 char buf[sizeof text], *s;
220 size_t len, textsize;
221 struct item *item, *lprefix, *lsubstr, *prefixend, *substrend;
224 /* separate input text into tokens to be matched individually */
225 for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " "))
226 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
227 die("cannot realloc %u bytes:", tokn * sizeof *tokv);
228 len = tokc ? strlen(tokv[0]) : 0;
230 matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
231 textsize = strlen(text) + 1;
232 for (item = items; item && item->text; item++) {
233 for (i = 0; i < tokc; i++)
234 if (!fstrstr(item->text, tokv[i]))
236 if (i != tokc) /* not all tokens match */
238 /* exact matches go first, then prefixes, then substrings */
239 if (!tokc || !fstrncmp(text, item->text, textsize))
240 appenditem(item, &matches, &matchend);
241 else if (!fstrncmp(tokv[0], item->text, len))
242 appenditem(item, &lprefix, &prefixend);
244 appenditem(item, &lsubstr, &substrend);
248 matchend->right = lprefix;
249 lprefix->left = matchend;
252 matchend = prefixend;
256 matchend->right = lsubstr;
257 lsubstr->left = matchend;
260 matchend = substrend;
262 curr = sel = matches;
267 insert(const char *str, ssize_t n)
269 if (strlen(text) + n > sizeof text - 1)
271 /* move existing text out of the way, insert new text, and update cursor */
272 memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));
274 memcpy(&text[cursor], str, n);
284 /* return location of next utf8 rune in the given direction (+1 or -1) */
285 for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc)
291 movewordedge(int dir)
293 if (dir < 0) { /* move cursor to the start of the word*/
294 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
295 cursor = nextrune(-1);
296 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
297 cursor = nextrune(-1);
298 } else { /* move cursor to the end of the word */
299 while (text[cursor] && strchr(worddelimiters, text[cursor]))
300 cursor = nextrune(+1);
301 while (text[cursor] && !strchr(worddelimiters, text[cursor]))
302 cursor = nextrune(+1);
307 keypress(XKeyEvent *ev)
314 len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
316 default: /* XLookupNone, XBufferOverflow */
325 if (ev->state & ControlMask) {
327 case XK_a: ksym = XK_Home; break;
328 case XK_b: ksym = XK_Left; break;
329 case XK_c: ksym = XK_Escape; break;
330 case XK_d: ksym = XK_Delete; break;
331 case XK_e: ksym = XK_End; break;
332 case XK_f: ksym = XK_Right; break;
333 case XK_g: ksym = XK_Escape; break;
334 case XK_h: ksym = XK_BackSpace; break;
335 case XK_i: ksym = XK_Tab; break;
336 case XK_j: /* fallthrough */
337 case XK_J: /* fallthrough */
338 case XK_m: /* fallthrough */
339 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break;
340 case XK_n: ksym = XK_Down; break;
341 case XK_p: ksym = XK_Up; break;
343 case XK_k: /* delete right */
347 case XK_u: /* delete left */
348 insert(NULL, 0 - cursor);
350 case XK_w: /* delete word */
351 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
352 insert(NULL, nextrune(-1) - cursor);
353 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
354 insert(NULL, nextrune(-1) - cursor);
356 case XK_y: /* paste selection */
358 XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
359 utf8, utf8, win, CurrentTime);
376 } else if (ev->state & Mod1Mask) {
384 case XK_g: ksym = XK_Home; break;
385 case XK_G: ksym = XK_End; break;
386 case XK_h: ksym = XK_Up; break;
387 case XK_j: ksym = XK_Next; break;
388 case XK_k: ksym = XK_Prior; break;
389 case XK_l: ksym = XK_Down; break;
402 if (text[cursor] == '\0')
404 cursor = nextrune(+1);
409 insert(NULL, nextrune(-1) - cursor);
412 if (text[cursor] != '\0') {
413 cursor = strlen(text);
417 /* jump to end of list and position items in reverse */
422 while (next && (curr = curr->right))
431 if (sel == matches) {
435 sel = curr = matches;
439 if (cursor > 0 && (!sel || !sel->left || lines > 0)) {
440 cursor = nextrune(-1);
447 if (sel && sel->left && (sel = sel->left)->right == curr) {
466 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
467 if (!(ev->state & ControlMask)) {
475 if (text[cursor] != '\0') {
476 cursor = nextrune(+1);
483 if (sel && sel->right && (sel = sel->right) == next) {
491 strncpy(text, sel->text, sizeof text - 1);
492 text[sizeof text - 1] = '\0';
493 cursor = strlen(text);
510 /* we have been given the current selection, now insert it into input */
511 if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
512 utf8, &da, &di, &dl, &dl, (unsigned char **)&p)
514 insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));
523 char buf[sizeof text], *p;
524 size_t i, imax = 0, size = 0;
525 unsigned int tmpmax = 0;
527 /* read each line from stdin and add it to the item list */
528 for (i = 0; fgets(buf, sizeof buf, stdin); i++) {
529 if (i + 1 >= size / sizeof *items)
530 if (!(items = realloc(items, (size += BUFSIZ))))
531 die("cannot realloc %u bytes:", size);
532 if ((p = strchr(buf, '\n')))
534 if (!(items[i].text = strdup(buf)))
535 die("cannot strdup %u bytes:", strlen(buf) + 1);
537 drw_font_getexts(drw->fonts, buf, strlen(buf), &tmpmax, NULL);
538 if (tmpmax > inputw) {
544 items[i].text = NULL;
545 inputw = items ? TEXTW(items[imax].text) : 0;
546 lines = MIN(lines, i);
554 while (!XNextEvent(dpy, &ev)) {
555 if (XFilterEvent(&ev, win))
559 if (ev.xexpose.count == 0)
560 drw_map(drw, win, 0, 0, mw, mh);
563 /* regrab focus from parent window */
564 if (ev.xfocus.window != win)
570 case SelectionNotify:
571 if (ev.xselection.property == utf8)
574 case VisibilityNotify:
575 if (ev.xvisibility.state != VisibilityUnobscured)
576 XRaiseWindow(dpy, win);
587 XSetWindowAttributes swa;
590 XWindowAttributes wa;
591 XClassHint ch = {"dmenu", "dmenu"};
593 XineramaScreenInfo *info;
595 int a, di, n, area = 0;
597 /* init appearance */
598 for (j = 0; j < SchemeLast; j++)
599 scheme[j] = drw_scm_create(drw, colors[j], 2);
601 clip = XInternAtom(dpy, "CLIPBOARD", False);
602 utf8 = XInternAtom(dpy, "UTF8_STRING", False);
604 /* calculate menu geometry */
605 bh = drw->fonts->h + 2;
606 lines = MAX(lines, 0);
607 mh = (lines + 1) * bh;
610 if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) {
611 XGetInputFocus(dpy, &w, &di);
612 if (mon >= 0 && mon < n)
614 else if (w != root && w != PointerRoot && w != None) {
615 /* find top-level window containing current input focus */
617 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws)
619 } while (w != root && w != pw);
620 /* find xinerama screen with which the window intersects most */
621 if (XGetWindowAttributes(dpy, pw, &wa))
622 for (j = 0; j < n; j++)
623 if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {
628 /* no focused window is on screen, so use pointer location instead */
629 if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
630 for (i = 0; i < n; i++)
631 if (INTERSECT(x, y, 1, 1, info[i]))
635 y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
641 if (!XGetWindowAttributes(dpy, parentwin, &wa))
642 die("could not get embedding window attributes: 0x%lx",
645 y = topbar ? 0 : wa.height - mh;
648 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
649 inputw = MIN(inputw, mw/3);
652 /* create menu window */
653 swa.override_redirect = True;
654 swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
655 swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
656 win = XCreateWindow(dpy, parentwin, x, y, mw, mh, 0,
657 CopyFromParent, CopyFromParent, CopyFromParent,
658 CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
659 XSetClassHint(dpy, win, &ch);
661 /* open input methods */
662 xim = XOpenIM(dpy, NULL, NULL, NULL);
663 xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
664 XNClientWindow, win, XNFocusWindow, win, NULL);
666 XMapRaised(dpy, win);
668 XSelectInput(dpy, parentwin, FocusChangeMask);
669 if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) {
670 for (i = 0; i < du && dws[i] != win; ++i)
671 XSelectInput(dpy, dws[i], FocusChangeMask);
676 drw_resize(drw, mw, mh);
683 fputs("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
684 " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr);
689 main(int argc, char *argv[])
691 XWindowAttributes wa;
694 for (i = 1; i < argc; i++)
695 /* these options take no arguments */
696 if (!strcmp(argv[i], "-v")) { /* prints version information */
697 puts("dmenu-"VERSION);
699 } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
701 else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */
703 else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
704 fstrncmp = strncasecmp;
706 } else if (i + 1 == argc)
708 /* these options take one argument */
709 else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */
710 lines = atoi(argv[++i]);
711 else if (!strcmp(argv[i], "-m"))
712 mon = atoi(argv[++i]);
713 else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */
715 else if (!strcmp(argv[i], "-fn")) /* font or font set */
716 fonts[0] = argv[++i];
717 else if (!strcmp(argv[i], "-nb")) /* normal background color */
718 colors[SchemeNorm][ColBg] = argv[++i];
719 else if (!strcmp(argv[i], "-nf")) /* normal foreground color */
720 colors[SchemeNorm][ColFg] = argv[++i];
721 else if (!strcmp(argv[i], "-sb")) /* selected background color */
722 colors[SchemeSel][ColBg] = argv[++i];
723 else if (!strcmp(argv[i], "-sf")) /* selected foreground color */
724 colors[SchemeSel][ColFg] = argv[++i];
725 else if (!strcmp(argv[i], "-w")) /* embedding window id */
730 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
731 fputs("warning: no locale support\n", stderr);
732 if (!(dpy = XOpenDisplay(NULL)))
733 die("cannot open display");
734 screen = DefaultScreen(dpy);
735 root = RootWindow(dpy, screen);
736 if (!embed || !(parentwin = strtol(embed, NULL, 0)))
738 if (!XGetWindowAttributes(dpy, parentwin, &wa))
739 die("could not get embedding window attributes: 0x%lx",
741 drw = drw_create(dpy, screen, root, wa.width, wa.height);
742 if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
743 die("no fonts could be loaded.");
744 lrpad = drw->fonts->h;
756 return 1; /* unreachable */