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 void appenditem(struct item *, struct item **, struct item **);
38 static void calcoffsets(void);
39 static char *cistrstr(const char *, const char *);
40 static void cleanup(void);
41 static void drawmenu(void);
42 static void grabkeyboard(void);
43 static void insert(const char *, ssize_t);
44 static void keypress(XKeyEvent *);
45 static void match(void);
46 static size_t nextrune(int);
47 static void paste(void);
48 static void readstdin(void);
49 static void run(void);
50 static void setup(void);
51 static void usage(void);
53 static char text[BUFSIZ] = "";
54 static int bh, mw, mh;
55 static int sw, sh; /* X display screen geometry width, height */
56 static int inputw, promptw;
58 static struct item *items = NULL;
59 static struct item *matches, *matchend;
60 static struct item *prev, *curr, *next, *sel;
61 static int mon = -1, screen;
63 static Atom clip, utf8;
65 static Window root, win;
68 static ClrScheme scheme[SchemeLast];
73 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
74 static char *(*fstrstr)(const char *, const char *) = strstr;
77 appenditem(struct item *item, struct item **list, struct item **last)
80 (*last)->right = item;
97 n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">"));
98 /* calculate which items will begin the next page and previous page */
99 for (i = 0, next = curr; next; next = next->right)
100 if ((i += (lines > 0) ? bh : MIN(TEXTW(next->text), n)) > n)
102 for (i = 0, prev = curr; prev && prev->left; prev = prev->left)
103 if ((i += (lines > 0) ? bh : MIN(TEXTW(prev->left->text), n)) > n)
110 XUngrabKey(dpy, AnyKey, AnyModifier, root);
111 drw_clr_free(scheme[SchemeNorm].bg);
112 drw_clr_free(scheme[SchemeNorm].fg);
113 drw_clr_free(scheme[SchemeSel].fg);
114 drw_clr_free(scheme[SchemeSel].bg);
115 drw_clr_free(scheme[SchemeOut].fg);
116 drw_clr_free(scheme[SchemeOut].bg);
123 cistrstr(const char *s, const char *sub)
127 for (len = strlen(sub); *s; s++)
128 if (!strncasecmp(s, sub, len))
138 int x = 0, y = 0, h = bh, w;
140 drw_setscheme(drw, &scheme[SchemeNorm]);
141 drw_rect(drw, 0, 0, mw, mh, 1, 1, 1);
143 if (prompt && *prompt) {
144 drw_setscheme(drw, &scheme[SchemeSel]);
145 drw_text(drw, x, 0, promptw, bh, prompt, 0);
148 /* draw input field */
149 w = (lines > 0 || !matches) ? mw - x : inputw;
150 drw_setscheme(drw, &scheme[SchemeNorm]);
151 drw_text(drw, x, 0, w, bh, text, 0);
153 if ((curpos = TEXTNW(text, cursor) + bh / 2 - 2) < w) {
154 drw_setscheme(drw, &scheme[SchemeNorm]);
155 drw_rect(drw, x + curpos + 2, 2, 1, bh - 4, 1, 1, 0);
159 /* draw vertical list */
161 for (item = curr; item != next; item = item->right) {
164 drw_setscheme(drw, &scheme[SchemeSel]);
166 drw_setscheme(drw, &scheme[SchemeOut]);
168 drw_setscheme(drw, &scheme[SchemeNorm]);
170 drw_text(drw, x, y, w, bh, item->text, 0);
172 } else if (matches) {
173 /* draw horizontal list */
177 drw_setscheme(drw, &scheme[SchemeNorm]);
178 drw_text(drw, x, 0, w, bh, "<", 0);
180 for (item = curr; item != next; item = item->right) {
182 w = MIN(TEXTW(item->text), mw - x - TEXTW(">"));
185 drw_setscheme(drw, &scheme[SchemeSel]);
187 drw_setscheme(drw, &scheme[SchemeOut]);
189 drw_setscheme(drw, &scheme[SchemeNorm]);
190 drw_text(drw, x, 0, w, bh, item->text, 0);
195 drw_setscheme(drw, &scheme[SchemeNorm]);
196 drw_text(drw, x, 0, w, bh, ">", 0);
199 drw_map(drw, win, 0, 0, mw, mh);
205 struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 };
208 /* try to grab keyboard, we may have to wait for another process to ungrab */
209 for (i = 0; i < 1000; i++) {
210 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True,
211 GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess)
213 nanosleep(&ts, NULL);
215 die("cannot grab keyboard\n");
219 insert(const char *str, ssize_t n)
221 if (strlen(text) + n > sizeof text - 1)
223 /* move existing text out of the way, insert new text, and update cursor */
224 memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));
226 memcpy(&text[cursor], str, n);
232 keypress(XKeyEvent *ev)
236 KeySym ksym = NoSymbol;
239 len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
240 if (status == XBufferOverflow)
242 if (ev->state & ControlMask)
244 case XK_a: ksym = XK_Home; break;
245 case XK_b: ksym = XK_Left; break;
246 case XK_c: ksym = XK_Escape; break;
247 case XK_d: ksym = XK_Delete; break;
248 case XK_e: ksym = XK_End; break;
249 case XK_f: ksym = XK_Right; break;
250 case XK_g: ksym = XK_Escape; break;
251 case XK_h: ksym = XK_BackSpace; break;
252 case XK_i: ksym = XK_Tab; break;
253 case XK_j: /* fallthrough */
254 case XK_J: /* fallthrough */
255 case XK_m: /* fallthrough */
256 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break;
257 case XK_n: ksym = XK_Down; break;
258 case XK_p: ksym = XK_Up; break;
260 case XK_k: /* delete right */
264 case XK_u: /* delete left */
265 insert(NULL, 0 - cursor);
267 case XK_w: /* delete word */
268 while (cursor > 0 && text[nextrune(-1)] == ' ')
269 insert(NULL, nextrune(-1) - cursor);
270 while (cursor > 0 && text[nextrune(-1)] != ' ')
271 insert(NULL, nextrune(-1) - cursor);
273 case XK_y: /* paste selection */
274 XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
275 utf8, utf8, win, CurrentTime);
286 else if (ev->state & Mod1Mask)
288 case XK_g: ksym = XK_Home; break;
289 case XK_G: ksym = XK_End; break;
290 case XK_h: ksym = XK_Up; break;
291 case XK_j: ksym = XK_Next; break;
292 case XK_k: ksym = XK_Prior; break;
293 case XK_l: ksym = XK_Down; break;
303 if (text[cursor] == '\0')
305 cursor = nextrune(+1);
310 insert(NULL, nextrune(-1) - cursor);
313 if (text[cursor] != '\0') {
314 cursor = strlen(text);
318 /* jump to end of list and position items in reverse */
323 while (next && (curr = curr->right))
332 if (sel == matches) {
336 sel = curr = matches;
340 if (cursor > 0 && (!sel || !sel->left || lines > 0)) {
341 cursor = nextrune(-1);
348 if (sel && sel->left && (sel = sel->left)->right == curr) {
367 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
368 if (!(ev->state & ControlMask)) {
376 if (text[cursor] != '\0') {
377 cursor = nextrune(+1);
384 if (sel && sel->right && (sel = sel->right) == next) {
392 strncpy(text, sel->text, sizeof text - 1);
393 text[sizeof text - 1] = '\0';
394 cursor = strlen(text);
404 static char **tokv = NULL;
407 char buf[sizeof text], *s;
410 struct item *item, *lprefix, *lsubstr, *prefixend, *substrend;
413 /* separate input text into tokens to be matched individually */
414 for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " "))
415 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
416 die("cannot realloc %u bytes\n", tokn * sizeof *tokv);
417 len = tokc ? strlen(tokv[0]) : 0;
419 matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
420 for (item = items; item && item->text; item++) {
421 for (i = 0; i < tokc; i++)
422 if (!fstrstr(item->text, tokv[i]))
424 if (i != tokc) /* not all tokens match */
426 /* exact matches go first, then prefixes, then substrings */
427 if (!tokc || !fstrncmp(tokv[0], item->text, len + 1))
428 appenditem(item, &matches, &matchend);
429 else if (!fstrncmp(tokv[0], item->text, len))
430 appenditem(item, &lprefix, &prefixend);
432 appenditem(item, &lsubstr, &substrend);
436 matchend->right = lprefix;
437 lprefix->left = matchend;
440 matchend = prefixend;
444 matchend->right = lsubstr;
445 lsubstr->left = matchend;
448 matchend = substrend;
450 curr = sel = matches;
459 /* return location of next utf8 rune in the given direction (+1 or -1) */
460 for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc)
473 /* we have been given the current selection, now insert it into input */
474 XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
475 utf8, &da, &di, &dl, &dl, (unsigned char **)&p);
476 insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));
484 char buf[sizeof text], *p, *maxstr = NULL;
485 size_t i, max = 0, size = 0;
487 /* read each line from stdin and add it to the item list */
488 for (i = 0; fgets(buf, sizeof buf, stdin); i++) {
489 if (i + 1 >= size / sizeof *items)
490 if (!(items = realloc(items, (size += BUFSIZ))))
491 die("cannot realloc %u bytes:", size);
492 if ((p = strchr(buf, '\n')))
494 if (!(items[i].text = strdup(buf)))
495 die("cannot strdup %u bytes:", strlen(buf) + 1);
496 items[i].out = false;
497 if (strlen(items[i].text) > max)
498 max = strlen(maxstr = items[i].text);
501 items[i].text = NULL;
502 inputw = maxstr ? TEXTW(maxstr) : 0;
503 lines = MIN(lines, i);
511 while (!XNextEvent(dpy, &ev)) {
512 if (XFilterEvent(&ev, win))
516 if (ev.xexpose.count == 0)
517 drw_map(drw, win, 0, 0, mw, mh);
522 case SelectionNotify:
523 if (ev.xselection.property == utf8)
526 case VisibilityNotify:
527 if (ev.xvisibility.state != VisibilityUnobscured)
528 XRaiseWindow(dpy, win);
538 XSetWindowAttributes swa;
541 XineramaScreenInfo *info;
542 Window w, pw, dw, *dws;
543 XWindowAttributes wa;
544 int a, j, di, n, i = 0, area = 0;
548 /* init appearance */
549 scheme[SchemeNorm].bg = drw_clr_create(drw, normbgcolor);
550 scheme[SchemeNorm].fg = drw_clr_create(drw, normfgcolor);
551 scheme[SchemeSel].bg = drw_clr_create(drw, selbgcolor);
552 scheme[SchemeSel].fg = drw_clr_create(drw, selfgcolor);
553 scheme[SchemeOut].bg = drw_clr_create(drw, outbgcolor);
554 scheme[SchemeOut].fg = drw_clr_create(drw, outfgcolor);
556 clip = XInternAtom(dpy, "CLIPBOARD", False);
557 utf8 = XInternAtom(dpy, "UTF8_STRING", False);
559 /* calculate menu geometry */
560 bh = drw->fonts[0]->h + 2;
561 lines = MAX(lines, 0);
562 mh = (lines + 1) * bh;
564 if ((info = XineramaQueryScreens(dpy, &n))) {
565 XGetInputFocus(dpy, &w, &di);
566 if (mon != -1 && mon < n)
568 if (!i && w != root && w != PointerRoot && w != None) {
569 /* find top-level window containing current input focus */
571 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws)
573 } while (w != root && w != pw);
574 /* find xinerama screen with which the window intersects most */
575 if (XGetWindowAttributes(dpy, pw, &wa))
576 for (j = 0; j < n; j++)
577 if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {
582 /* no focused window is on screen, so use pointer location instead */
583 if (mon == -1 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
584 for (i = 0; i < n; i++)
585 if (INTERSECT(x, y, 1, 1, info[i]))
589 y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
596 y = topbar ? 0 : sh - mh;
599 promptw = (prompt && *prompt) ? TEXTW(prompt) : 0;
600 inputw = MIN(inputw, mw/3);
603 /* create menu window */
604 swa.override_redirect = True;
605 swa.background_pixel = scheme[SchemeNorm].bg->pix;
606 swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
607 win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
608 DefaultDepth(dpy, screen), CopyFromParent,
609 DefaultVisual(dpy, screen),
610 CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
612 /* open input methods */
613 xim = XOpenIM(dpy, NULL, NULL, NULL);
614 xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
615 XNClientWindow, win, XNFocusWindow, win, NULL);
617 XMapRaised(dpy, win);
618 drw_resize(drw, mw, mh);
625 fputs("usage: dmenu [-b] [-f] [-i] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
626 " [-nb color] [-nf color] [-sb color] [-sf color] [-v]\n", stderr);
631 main(int argc, char *argv[])
636 for (i = 1; i < argc; i++)
637 /* these options take no arguments */
638 if (!strcmp(argv[i], "-v")) { /* prints version information */
639 puts("dmenu-"VERSION);
641 } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
643 else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */
645 else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
646 fstrncmp = strncasecmp;
648 } else if (i + 1 == argc)
650 /* these options take one argument */
651 else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */
652 lines = atoi(argv[++i]);
653 else if (!strcmp(argv[i], "-m"))
654 mon = atoi(argv[++i]);
655 else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */
657 else if (!strcmp(argv[i], "-fn")) /* font or font set */
658 fonts[0] = argv[++i];
659 else if (!strcmp(argv[i], "-nb")) /* normal background color */
660 normbgcolor = argv[++i];
661 else if (!strcmp(argv[i], "-nf")) /* normal foreground color */
662 normfgcolor = argv[++i];
663 else if (!strcmp(argv[i], "-sb")) /* selected background color */
664 selbgcolor = argv[++i];
665 else if (!strcmp(argv[i], "-sf")) /* selected foreground color */
666 selfgcolor = argv[++i];
670 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
671 fputs("warning: no locale support\n", stderr);
672 if (!(dpy = XOpenDisplay(NULL)))
673 die("cannot open display\n");
674 screen = DefaultScreen(dpy);
675 root = RootWindow(dpy, screen);
676 sw = DisplayWidth(dpy, screen);
677 sh = DisplayHeight(dpy, screen);
678 drw = drw_create(dpy, screen, root, sw, sh);
679 drw_load_fonts(drw, fonts, LENGTH(fonts));
681 die("no fonts could be loaded.\n");
682 drw_setscheme(drw, &scheme[SchemeNorm]);
694 return 1; /* unreachable */