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] = "";
37 static int bh, mw, mh;
38 static int sw, sh; /* X display screen geometry width, height */
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, 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 = 1000000 };
183 /* try to grab keyboard, we may have to wait for another process to ungrab */
184 for (i = 0; i < 1000; i++) {
185 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync,
186 GrabModeAsync, CurrentTime) == GrabSuccess)
188 nanosleep(&ts, NULL);
190 die("cannot grab keyboard");
196 static char **tokv = NULL;
199 char buf[sizeof text], *s;
201 size_t len, textsize;
202 struct item *item, *lprefix, *lsubstr, *prefixend, *substrend;
205 /* separate input text into tokens to be matched individually */
206 for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " "))
207 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
208 die("cannot realloc %u bytes:", tokn * sizeof *tokv);
209 len = tokc ? strlen(tokv[0]) : 0;
211 matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
212 textsize = strlen(text);
213 for (item = items; item && item->text; item++) {
214 for (i = 0; i < tokc; i++)
215 if (!fstrstr(item->text, tokv[i]))
217 if (i != tokc) /* not all tokens match */
219 /* exact matches go first, then prefixes, then substrings */
220 if (!tokc || !fstrncmp(text, item->text, textsize))
221 appenditem(item, &matches, &matchend);
222 else if (!fstrncmp(tokv[0], item->text, len))
223 appenditem(item, &lprefix, &prefixend);
225 appenditem(item, &lsubstr, &substrend);
229 matchend->right = lprefix;
230 lprefix->left = matchend;
233 matchend = prefixend;
237 matchend->right = lsubstr;
238 lsubstr->left = matchend;
241 matchend = substrend;
243 curr = sel = matches;
248 insert(const char *str, ssize_t n)
250 if (strlen(text) + n > sizeof text - 1)
252 /* move existing text out of the way, insert new text, and update cursor */
253 memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));
255 memcpy(&text[cursor], str, n);
265 /* return location of next utf8 rune in the given direction (+1 or -1) */
266 for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc)
272 keypress(XKeyEvent *ev)
276 KeySym ksym = NoSymbol;
279 len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
280 if (status == XBufferOverflow)
282 if (ev->state & ControlMask)
284 case XK_a: ksym = XK_Home; break;
285 case XK_b: ksym = XK_Left; break;
286 case XK_c: ksym = XK_Escape; break;
287 case XK_d: ksym = XK_Delete; break;
288 case XK_e: ksym = XK_End; break;
289 case XK_f: ksym = XK_Right; break;
290 case XK_g: ksym = XK_Escape; break;
291 case XK_h: ksym = XK_BackSpace; break;
292 case XK_i: ksym = XK_Tab; break;
293 case XK_j: /* fallthrough */
294 case XK_J: /* fallthrough */
295 case XK_m: /* fallthrough */
296 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break;
297 case XK_n: ksym = XK_Down; break;
298 case XK_p: ksym = XK_Up; break;
300 case XK_k: /* delete right */
304 case XK_u: /* delete left */
305 insert(NULL, 0 - cursor);
307 case XK_w: /* delete word */
308 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
309 insert(NULL, nextrune(-1) - cursor);
310 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
311 insert(NULL, nextrune(-1) - cursor);
313 case XK_y: /* paste selection */
315 XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
316 utf8, utf8, win, CurrentTime);
327 else if (ev->state & Mod1Mask)
329 case XK_g: ksym = XK_Home; break;
330 case XK_G: ksym = XK_End; break;
331 case XK_h: ksym = XK_Up; break;
332 case XK_j: ksym = XK_Next; break;
333 case XK_k: ksym = XK_Prior; break;
334 case XK_l: ksym = XK_Down; break;
344 if (text[cursor] == '\0')
346 cursor = nextrune(+1);
351 insert(NULL, nextrune(-1) - cursor);
354 if (text[cursor] != '\0') {
355 cursor = strlen(text);
359 /* jump to end of list and position items in reverse */
364 while (next && (curr = curr->right))
373 if (sel == matches) {
377 sel = curr = matches;
381 if (cursor > 0 && (!sel || !sel->left || lines > 0)) {
382 cursor = nextrune(-1);
389 if (sel && sel->left && (sel = sel->left)->right == curr) {
408 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
409 if (!(ev->state & ControlMask)) {
417 if (text[cursor] != '\0') {
418 cursor = nextrune(+1);
425 if (sel && sel->right && (sel = sel->right) == next) {
433 strncpy(text, sel->text, sizeof text - 1);
434 text[sizeof text - 1] = '\0';
435 cursor = strlen(text);
450 /* we have been given the current selection, now insert it into input */
451 XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
452 utf8, &da, &di, &dl, &dl, (unsigned char **)&p);
453 insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));
461 char buf[sizeof text], *p;
462 size_t i, imax = 0, size = 0;
463 unsigned int tmpmax = 0;
465 /* read each line from stdin and add it to the item list */
466 for (i = 0; fgets(buf, sizeof buf, stdin); i++) {
467 if (i + 1 >= size / sizeof *items)
468 if (!(items = realloc(items, (size += BUFSIZ))))
469 die("cannot realloc %u bytes:", size);
470 if ((p = strchr(buf, '\n')))
472 if (!(items[i].text = strdup(buf)))
473 die("cannot strdup %u bytes:", strlen(buf) + 1);
475 drw_font_getexts(drw->fonts, buf, strlen(buf), &tmpmax, NULL);
476 if (tmpmax > inputw) {
482 items[i].text = NULL;
483 inputw = items ? TEXTW(items[imax].text) : 0;
484 lines = MIN(lines, i);
492 while (!XNextEvent(dpy, &ev)) {
493 if (XFilterEvent(&ev, win))
497 if (ev.xexpose.count == 0)
498 drw_map(drw, win, 0, 0, mw, mh);
503 case SelectionNotify:
504 if (ev.xselection.property == utf8)
507 case VisibilityNotify:
508 if (ev.xvisibility.state != VisibilityUnobscured)
509 XRaiseWindow(dpy, win);
519 XSetWindowAttributes swa;
522 XineramaScreenInfo *info;
523 Window w, pw, dw, *dws;
524 XWindowAttributes wa;
525 int a, j, di, n, i = 0, area = 0;
529 /* init appearance */
530 scheme[SchemeNorm] = drw_scm_create(drw, colors[SchemeNorm], 2);
531 scheme[SchemeSel] = drw_scm_create(drw, colors[SchemeSel], 2);
532 scheme[SchemeOut] = drw_scm_create(drw, colors[SchemeOut], 2);
534 clip = XInternAtom(dpy, "CLIPBOARD", False);
535 utf8 = XInternAtom(dpy, "UTF8_STRING", False);
537 /* calculate menu geometry */
538 bh = drw->fonts->h + 2;
539 lines = MAX(lines, 0);
540 mh = (lines + 1) * bh;
542 if ((info = XineramaQueryScreens(dpy, &n))) {
543 XGetInputFocus(dpy, &w, &di);
544 if (mon >= 0 && mon < n)
546 else if (w != root && w != PointerRoot && w != None) {
547 /* find top-level window containing current input focus */
549 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws)
551 } while (w != root && w != pw);
552 /* find xinerama screen with which the window intersects most */
553 if (XGetWindowAttributes(dpy, pw, &wa))
554 for (j = 0; j < n; j++)
555 if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {
560 /* no focused window is on screen, so use pointer location instead */
561 if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
562 for (i = 0; i < n; i++)
563 if (INTERSECT(x, y, 1, 1, info[i]))
567 y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
574 y = topbar ? 0 : sh - mh;
577 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
578 inputw = MIN(inputw, mw/3);
581 /* create menu window */
582 swa.override_redirect = True;
583 swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
584 swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
585 win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
586 DefaultDepth(dpy, screen), CopyFromParent,
587 DefaultVisual(dpy, screen),
588 CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
590 /* open input methods */
591 xim = XOpenIM(dpy, NULL, NULL, NULL);
592 xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
593 XNClientWindow, win, XNFocusWindow, win, NULL);
595 XMapRaised(dpy, win);
596 drw_resize(drw, mw, mh);
603 fputs("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
604 " [-nb color] [-nf color] [-sb color] [-sf color]\n", stderr);
609 main(int argc, char *argv[])
613 for (i = 1; i < argc; i++)
614 /* these options take no arguments */
615 if (!strcmp(argv[i], "-v")) { /* prints version information */
616 puts("dmenu-"VERSION);
618 } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
620 else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */
622 else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
623 fstrncmp = strncasecmp;
625 } else if (i + 1 == argc)
627 /* these options take one argument */
628 else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */
629 lines = atoi(argv[++i]);
630 else if (!strcmp(argv[i], "-m"))
631 mon = atoi(argv[++i]);
632 else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */
634 else if (!strcmp(argv[i], "-fn")) /* font or font set */
635 fonts[0] = argv[++i];
636 else if (!strcmp(argv[i], "-nb")) /* normal background color */
637 colors[SchemeNorm][ColBg] = argv[++i];
638 else if (!strcmp(argv[i], "-nf")) /* normal foreground color */
639 colors[SchemeNorm][ColFg] = argv[++i];
640 else if (!strcmp(argv[i], "-sb")) /* selected background color */
641 colors[SchemeSel][ColBg] = argv[++i];
642 else if (!strcmp(argv[i], "-sf")) /* selected foreground color */
643 colors[SchemeSel][ColFg] = argv[++i];
647 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
648 fputs("warning: no locale support\n", stderr);
649 if (!(dpy = XOpenDisplay(NULL)))
650 die("cannot open display");
651 screen = DefaultScreen(dpy);
652 root = RootWindow(dpy, screen);
653 sw = DisplayWidth(dpy, screen);
654 sh = DisplayHeight(dpy, screen);
655 drw = drw_create(dpy, screen, root, sw, sh);
656 if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
657 die("no fonts could be loaded.");
658 lrpad = drw->fonts->h;
670 return 1; /* unreachable */