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 TEXTNW(X,N) (drw_font_getexts_width(drw->fonts[0], (X), (N)))
26 #define TEXTW(X) (drw_text(drw, 0, 0, 0, 0, (X), 0) + drw->fonts[0]->h)
29 enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
33 struct item *left, *right;
37 static char text[BUFSIZ] = "";
38 static int bh, mw, mh;
39 static int sw, sh; /* X display screen geometry width, height */
40 static int inputw, promptw;
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;
52 static ClrScheme 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)
94 XUngrabKey(dpy, AnyKey, AnyModifier, root);
95 drw_clr_free(scheme[SchemeNorm].bg);
96 drw_clr_free(scheme[SchemeNorm].fg);
97 drw_clr_free(scheme[SchemeSel].fg);
98 drw_clr_free(scheme[SchemeSel].bg);
99 drw_clr_free(scheme[SchemeOut].fg);
100 drw_clr_free(scheme[SchemeOut].bg);
107 cistrstr(const char *s, const char *sub)
111 for (len = strlen(sub); *s; s++)
112 if (!strncasecmp(s, sub, len))
122 int x = 0, y = 0, h = bh, w;
124 drw_setscheme(drw, &scheme[SchemeNorm]);
125 drw_rect(drw, 0, 0, mw, mh, 1, 1, 1);
127 if (prompt && *prompt) {
128 drw_setscheme(drw, &scheme[SchemeSel]);
129 drw_text(drw, x, 0, promptw, bh, prompt, 0);
132 /* draw input field */
133 w = (lines > 0 || !matches) ? mw - x : inputw;
134 drw_setscheme(drw, &scheme[SchemeNorm]);
135 drw_text(drw, x, 0, w, bh, text, 0);
137 if ((curpos = TEXTNW(text, cursor) + bh / 2 - 2) < w) {
138 drw_setscheme(drw, &scheme[SchemeNorm]);
139 drw_rect(drw, x + curpos + 2, 2, 1, bh - 4, 1, 1, 0);
143 /* draw vertical list */
145 for (item = curr; item != next; item = item->right) {
148 drw_setscheme(drw, &scheme[SchemeSel]);
150 drw_setscheme(drw, &scheme[SchemeOut]);
152 drw_setscheme(drw, &scheme[SchemeNorm]);
154 drw_text(drw, x, y, w, bh, item->text, 0);
156 } else if (matches) {
157 /* draw horizontal list */
161 drw_setscheme(drw, &scheme[SchemeNorm]);
162 drw_text(drw, x, 0, w, bh, "<", 0);
164 for (item = curr; item != next; item = item->right) {
166 w = MIN(TEXTW(item->text), mw - x - TEXTW(">"));
169 drw_setscheme(drw, &scheme[SchemeSel]);
171 drw_setscheme(drw, &scheme[SchemeOut]);
173 drw_setscheme(drw, &scheme[SchemeNorm]);
174 drw_text(drw, x, 0, w, bh, item->text, 0);
179 drw_setscheme(drw, &scheme[SchemeNorm]);
180 drw_text(drw, x, 0, w, bh, ">", 0);
183 drw_map(drw, win, 0, 0, mw, mh);
189 struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 };
192 /* try to grab keyboard, we may have to wait for another process to ungrab */
193 for (i = 0; i < 1000; i++) {
194 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True,
195 GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess)
197 nanosleep(&ts, NULL);
199 die("cannot grab keyboard\n");
205 static char **tokv = NULL;
208 char buf[sizeof text], *s;
211 struct item *item, *lprefix, *lsubstr, *prefixend, *substrend;
214 /* separate input text into tokens to be matched individually */
215 for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " "))
216 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
217 die("cannot realloc %u bytes\n", tokn * sizeof *tokv);
218 len = tokc ? strlen(tokv[0]) : 0;
220 matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
221 for (item = items; item && item->text; item++) {
222 for (i = 0; i < tokc; i++)
223 if (!fstrstr(item->text, tokv[i]))
225 if (i != tokc) /* not all tokens match */
227 /* exact matches go first, then prefixes, then substrings */
228 if (!tokc || !fstrncmp(tokv[0], item->text, len + 1))
229 appenditem(item, &matches, &matchend);
230 else if (!fstrncmp(tokv[0], item->text, len))
231 appenditem(item, &lprefix, &prefixend);
233 appenditem(item, &lsubstr, &substrend);
237 matchend->right = lprefix;
238 lprefix->left = matchend;
241 matchend = prefixend;
245 matchend->right = lsubstr;
246 lsubstr->left = matchend;
249 matchend = substrend;
251 curr = sel = matches;
256 insert(const char *str, ssize_t n)
258 if (strlen(text) + n > sizeof text - 1)
260 /* move existing text out of the way, insert new text, and update cursor */
261 memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));
263 memcpy(&text[cursor], str, n);
273 /* return location of next utf8 rune in the given direction (+1 or -1) */
274 for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc)
280 keypress(XKeyEvent *ev)
284 KeySym ksym = NoSymbol;
287 len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
288 if (status == XBufferOverflow)
290 if (ev->state & ControlMask)
292 case XK_a: ksym = XK_Home; break;
293 case XK_b: ksym = XK_Left; break;
294 case XK_c: ksym = XK_Escape; break;
295 case XK_d: ksym = XK_Delete; break;
296 case XK_e: ksym = XK_End; break;
297 case XK_f: ksym = XK_Right; break;
298 case XK_g: ksym = XK_Escape; break;
299 case XK_h: ksym = XK_BackSpace; break;
300 case XK_i: ksym = XK_Tab; break;
301 case XK_j: /* fallthrough */
302 case XK_J: /* fallthrough */
303 case XK_m: /* fallthrough */
304 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break;
305 case XK_n: ksym = XK_Down; break;
306 case XK_p: ksym = XK_Up; break;
308 case XK_k: /* delete right */
312 case XK_u: /* delete left */
313 insert(NULL, 0 - cursor);
315 case XK_w: /* delete word */
316 while (cursor > 0 && text[nextrune(-1)] == ' ')
317 insert(NULL, nextrune(-1) - cursor);
318 while (cursor > 0 && text[nextrune(-1)] != ' ')
319 insert(NULL, nextrune(-1) - cursor);
321 case XK_y: /* paste selection */
322 XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
323 utf8, utf8, win, CurrentTime);
334 else if (ev->state & Mod1Mask)
336 case XK_g: ksym = XK_Home; break;
337 case XK_G: ksym = XK_End; break;
338 case XK_h: ksym = XK_Up; break;
339 case XK_j: ksym = XK_Next; break;
340 case XK_k: ksym = XK_Prior; break;
341 case XK_l: ksym = XK_Down; break;
351 if (text[cursor] == '\0')
353 cursor = nextrune(+1);
358 insert(NULL, nextrune(-1) - cursor);
361 if (text[cursor] != '\0') {
362 cursor = strlen(text);
366 /* jump to end of list and position items in reverse */
371 while (next && (curr = curr->right))
380 if (sel == matches) {
384 sel = curr = matches;
388 if (cursor > 0 && (!sel || !sel->left || lines > 0)) {
389 cursor = nextrune(-1);
396 if (sel && sel->left && (sel = sel->left)->right == curr) {
415 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
416 if (!(ev->state & ControlMask)) {
424 if (text[cursor] != '\0') {
425 cursor = nextrune(+1);
432 if (sel && sel->right && (sel = sel->right) == next) {
440 strncpy(text, sel->text, sizeof text - 1);
441 text[sizeof text - 1] = '\0';
442 cursor = strlen(text);
457 /* we have been given the current selection, now insert it into input */
458 XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
459 utf8, &da, &di, &dl, &dl, (unsigned char **)&p);
460 insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));
468 char buf[sizeof text], *p, *maxstr = NULL;
469 size_t i, max = 0, size = 0;
471 /* read each line from stdin and add it to the item list */
472 for (i = 0; fgets(buf, sizeof buf, stdin); i++) {
473 if (i + 1 >= size / sizeof *items)
474 if (!(items = realloc(items, (size += BUFSIZ))))
475 die("cannot realloc %u bytes:", size);
476 if ((p = strchr(buf, '\n')))
478 if (!(items[i].text = strdup(buf)))
479 die("cannot strdup %u bytes:", strlen(buf) + 1);
480 items[i].out = false;
481 if (strlen(items[i].text) > max)
482 max = strlen(maxstr = items[i].text);
485 items[i].text = NULL;
486 inputw = maxstr ? TEXTW(maxstr) : 0;
487 lines = MIN(lines, i);
495 while (!XNextEvent(dpy, &ev)) {
496 if (XFilterEvent(&ev, win))
500 if (ev.xexpose.count == 0)
501 drw_map(drw, win, 0, 0, mw, mh);
506 case SelectionNotify:
507 if (ev.xselection.property == utf8)
510 case VisibilityNotify:
511 if (ev.xvisibility.state != VisibilityUnobscured)
512 XRaiseWindow(dpy, win);
522 XSetWindowAttributes swa;
525 XineramaScreenInfo *info;
526 Window w, pw, dw, *dws;
527 XWindowAttributes wa;
528 int a, j, di, n, i = 0, area = 0;
532 /* init appearance */
533 scheme[SchemeNorm].bg = drw_clr_create(drw, normbgcolor);
534 scheme[SchemeNorm].fg = drw_clr_create(drw, normfgcolor);
535 scheme[SchemeSel].bg = drw_clr_create(drw, selbgcolor);
536 scheme[SchemeSel].fg = drw_clr_create(drw, selfgcolor);
537 scheme[SchemeOut].bg = drw_clr_create(drw, outbgcolor);
538 scheme[SchemeOut].fg = drw_clr_create(drw, outfgcolor);
540 clip = XInternAtom(dpy, "CLIPBOARD", False);
541 utf8 = XInternAtom(dpy, "UTF8_STRING", False);
543 /* calculate menu geometry */
544 bh = drw->fonts[0]->h + 2;
545 lines = MAX(lines, 0);
546 mh = (lines + 1) * bh;
548 if ((info = XineramaQueryScreens(dpy, &n))) {
549 XGetInputFocus(dpy, &w, &di);
550 if (mon != -1 && mon < n)
552 if (!i && w != root && w != PointerRoot && w != None) {
553 /* find top-level window containing current input focus */
555 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws)
557 } while (w != root && w != pw);
558 /* find xinerama screen with which the window intersects most */
559 if (XGetWindowAttributes(dpy, pw, &wa))
560 for (j = 0; j < n; j++)
561 if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {
566 /* no focused window is on screen, so use pointer location instead */
567 if (mon == -1 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
568 for (i = 0; i < n; i++)
569 if (INTERSECT(x, y, 1, 1, info[i]))
573 y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
580 y = topbar ? 0 : sh - mh;
583 promptw = (prompt && *prompt) ? TEXTW(prompt) : 0;
584 inputw = MIN(inputw, mw/3);
587 /* create menu window */
588 swa.override_redirect = True;
589 swa.background_pixel = scheme[SchemeNorm].bg->pix;
590 swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
591 win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
592 DefaultDepth(dpy, screen), CopyFromParent,
593 DefaultVisual(dpy, screen),
594 CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
596 /* open input methods */
597 xim = XOpenIM(dpy, NULL, NULL, NULL);
598 xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
599 XNClientWindow, win, XNFocusWindow, win, NULL);
601 XMapRaised(dpy, win);
602 drw_resize(drw, mw, mh);
609 fputs("usage: dmenu [-b] [-f] [-i] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
610 " [-nb color] [-nf color] [-sb color] [-sf color] [-v]\n", stderr);
615 main(int argc, char *argv[])
620 for (i = 1; i < argc; i++)
621 /* these options take no arguments */
622 if (!strcmp(argv[i], "-v")) { /* prints version information */
623 puts("dmenu-"VERSION);
625 } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
627 else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */
629 else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
630 fstrncmp = strncasecmp;
632 } else if (i + 1 == argc)
634 /* these options take one argument */
635 else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */
636 lines = atoi(argv[++i]);
637 else if (!strcmp(argv[i], "-m"))
638 mon = atoi(argv[++i]);
639 else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */
641 else if (!strcmp(argv[i], "-fn")) /* font or font set */
642 fonts[0] = argv[++i];
643 else if (!strcmp(argv[i], "-nb")) /* normal background color */
644 normbgcolor = argv[++i];
645 else if (!strcmp(argv[i], "-nf")) /* normal foreground color */
646 normfgcolor = argv[++i];
647 else if (!strcmp(argv[i], "-sb")) /* selected background color */
648 selbgcolor = argv[++i];
649 else if (!strcmp(argv[i], "-sf")) /* selected foreground color */
650 selfgcolor = argv[++i];
654 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
655 fputs("warning: no locale support\n", stderr);
656 if (!(dpy = XOpenDisplay(NULL)))
657 die("cannot open display\n");
658 screen = DefaultScreen(dpy);
659 root = RootWindow(dpy, screen);
660 sw = DisplayWidth(dpy, screen);
661 sh = DisplayHeight(dpy, screen);
662 drw = drw_create(dpy, screen, root, sw, sh);
663 drw_load_fonts(drw, fonts, LENGTH(fonts));
665 die("no fonts could be loaded.\n");
666 drw_setscheme(drw, &scheme[SchemeNorm]);
678 return 1; /* unreachable */