1 /* See LICENSE file for copyright and license details. */
12 #include <X11/Xatom.h>
13 #include <X11/Xutil.h>
15 #include <X11/extensions/Xinerama.h>
17 #include <X11/Xft/Xft.h>
18 #include <X11/Xresource.h>
24 #define INTERSECT(x,y,w,h,r) (MAX(0, MIN((x)+(w),(r).x_org+(r).width) - MAX((x),(r).x_org)) \
25 * MAX(0, MIN((y)+(h),(r).y_org+(r).height) - MAX((y),(r).y_org)))
26 #define LENGTH(X) (sizeof X / sizeof X[0])
27 #define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
30 enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
34 struct item *left, *right;
38 static char text[BUFSIZ] = "";
40 static int bh, mw, mh;
41 static int inputw = 0, promptw;
42 static int lrpad; /* sum of left and right padding */
44 static struct item *items = NULL;
45 static struct item *matches, *matchend;
46 static struct item *prev, *curr, *next, *sel;
47 static int mon = -1, screen;
49 static Atom clip, utf8;
51 static Window root, parentwin, win;
55 static Clr *scheme[SchemeLast];
57 /* Temporary arrays to allow overriding xresources values */
58 static char *colortemp[4];
59 static char *tempfonts;
63 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
64 static char *(*fstrstr)(const char *, const char *) = strstr;
67 appenditem(struct item *item, struct item **list, struct item **last)
70 (*last)->right = item;
87 n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">"));
88 /* calculate which items will begin the next page and previous page */
89 for (i = 0, next = curr; next; next = next->right)
90 if ((i += (lines > 0) ? bh : MIN(TEXTW(next->text), n)) > n)
92 for (i = 0, prev = curr; prev && prev->left; prev = prev->left)
93 if ((i += (lines > 0) ? bh : MIN(TEXTW(prev->left->text), n)) > n)
101 for (struct item *item = items; item && item->text; item++)
102 len = MAX(TEXTW(item->text), len);
111 XUngrabKey(dpy, AnyKey, AnyModifier, root);
112 for (i = 0; i < SchemeLast; i++)
120 cistrstr(const char *s, const char *sub)
124 for (len = strlen(sub); *s; s++)
125 if (!strncasecmp(s, sub, len))
131 drawitem(struct item *item, int x, int y, int w)
134 drw_setscheme(drw, scheme[SchemeSel]);
136 drw_setscheme(drw, scheme[SchemeOut]);
138 drw_setscheme(drw, scheme[SchemeNorm]);
140 return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0);
150 drw_setscheme(drw, scheme[SchemeNorm]);
151 drw_rect(drw, 0, 0, mw, mh, 1, 1);
153 if (prompt && *prompt) {
154 drw_setscheme(drw, scheme[SchemeSel]);
155 x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0);
157 /* draw input field */
158 w = (lines > 0 || !matches) ? mw - x : inputw;
159 drw_setscheme(drw, scheme[SchemeNorm]);
160 drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0);
162 curpos = TEXTW(text) - TEXTW(&text[cursor]);
163 if ((curpos += lrpad / 2 - 1) < w) {
164 drw_setscheme(drw, scheme[SchemeNorm]);
165 drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0);
169 /* draw vertical list */
170 for (item = curr; item != next; item = item->right)
171 drawitem(item, x, y += bh, mw - x);
172 } else if (matches) {
173 /* draw horizontal list */
177 drw_setscheme(drw, scheme[SchemeNorm]);
178 drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0);
181 for (item = curr; item != next; item = item->right)
182 x = drawitem(item, x, 0, MIN(TEXTW(item->text), mw - x - TEXTW(">")));
185 drw_setscheme(drw, scheme[SchemeNorm]);
186 drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0);
189 drw_map(drw, win, 0, 0, mw, mh);
195 struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 };
199 for (i = 0; i < 100; ++i) {
200 XGetInputFocus(dpy, &focuswin, &revertwin);
203 XSetInputFocus(dpy, win, RevertToParent, CurrentTime);
204 nanosleep(&ts, NULL);
206 die("cannot grab focus");
212 struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 };
217 /* try to grab keyboard, we may have to wait for another process to ungrab */
218 for (i = 0; i < 1000; i++) {
219 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync,
220 GrabModeAsync, CurrentTime) == GrabSuccess)
222 nanosleep(&ts, NULL);
224 die("cannot grab keyboard");
230 static char **tokv = NULL;
233 char buf[sizeof text], *s;
235 size_t len, textsize;
236 struct item *item, *lprefix, *lsubstr, *prefixend, *substrend;
239 /* separate input text into tokens to be matched individually */
240 for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " "))
241 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
242 die("cannot realloc %u bytes:", tokn * sizeof *tokv);
243 len = tokc ? strlen(tokv[0]) : 0;
245 matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
246 textsize = strlen(text) + 1;
247 for (item = items; item && item->text; item++) {
248 for (i = 0; i < tokc; i++)
249 if (!fstrstr(item->text, tokv[i]))
251 if (i != tokc) /* not all tokens match */
253 /* exact matches go first, then prefixes, then substrings */
254 if (!tokc || !fstrncmp(text, item->text, textsize))
255 appenditem(item, &matches, &matchend);
256 else if (!fstrncmp(tokv[0], item->text, len))
257 appenditem(item, &lprefix, &prefixend);
259 appenditem(item, &lsubstr, &substrend);
263 matchend->right = lprefix;
264 lprefix->left = matchend;
267 matchend = prefixend;
271 matchend->right = lsubstr;
272 lsubstr->left = matchend;
275 matchend = substrend;
277 curr = sel = matches;
282 insert(const char *str, ssize_t n)
284 if (strlen(text) + n > sizeof text - 1)
286 /* move existing text out of the way, insert new text, and update cursor */
287 memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));
289 memcpy(&text[cursor], str, n);
299 /* return location of next utf8 rune in the given direction (+1 or -1) */
300 for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc)
306 movewordedge(int dir)
308 if (dir < 0) { /* move cursor to the start of the word*/
309 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
310 cursor = nextrune(-1);
311 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
312 cursor = nextrune(-1);
313 } else { /* move cursor to the end of the word */
314 while (text[cursor] && strchr(worddelimiters, text[cursor]))
315 cursor = nextrune(+1);
316 while (text[cursor] && !strchr(worddelimiters, text[cursor]))
317 cursor = nextrune(+1);
322 keypress(XKeyEvent *ev)
329 len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
331 default: /* XLookupNone, XBufferOverflow */
340 if (ev->state & ControlMask) {
342 case XK_a: ksym = XK_Home; break;
343 case XK_b: ksym = XK_Left; break;
344 case XK_c: ksym = XK_Escape; break;
345 case XK_d: ksym = XK_Delete; break;
346 case XK_e: ksym = XK_End; break;
347 case XK_f: ksym = XK_Right; break;
348 case XK_g: ksym = XK_Escape; break;
349 case XK_h: ksym = XK_BackSpace; break;
350 case XK_i: ksym = XK_Tab; break;
351 case XK_j: /* fallthrough */
352 case XK_J: /* fallthrough */
353 case XK_m: /* fallthrough */
354 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break;
355 case XK_n: ksym = XK_Down; break;
356 case XK_p: ksym = XK_Up; break;
358 case XK_k: /* delete right */
362 case XK_u: /* delete left */
363 insert(NULL, 0 - cursor);
365 case XK_w: /* delete word */
366 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
367 insert(NULL, nextrune(-1) - cursor);
368 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
369 insert(NULL, nextrune(-1) - cursor);
371 case XK_y: /* paste selection */
373 XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
374 utf8, utf8, win, CurrentTime);
391 } else if (ev->state & Mod1Mask) {
399 case XK_g: ksym = XK_Home; break;
400 case XK_G: ksym = XK_End; break;
401 case XK_h: ksym = XK_Up; break;
402 case XK_j: ksym = XK_Next; break;
403 case XK_k: ksym = XK_Prior; break;
404 case XK_l: ksym = XK_Down; break;
417 if (text[cursor] == '\0')
419 cursor = nextrune(+1);
424 insert(NULL, nextrune(-1) - cursor);
427 if (text[cursor] != '\0') {
428 cursor = strlen(text);
432 /* jump to end of list and position items in reverse */
437 while (next && (curr = curr->right))
446 if (sel == matches) {
450 sel = curr = matches;
454 if (cursor > 0 && (!sel || !sel->left || lines > 0)) {
455 cursor = nextrune(-1);
462 if (sel && sel->left && (sel = sel->left)->right == curr) {
481 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
482 if (!(ev->state & ControlMask)) {
490 if (text[cursor] != '\0') {
491 cursor = nextrune(+1);
498 if (sel && sel->right && (sel = sel->right) == next) {
506 strncpy(text, sel->text, sizeof text - 1);
507 text[sizeof text - 1] = '\0';
508 cursor = strlen(text);
525 /* we have been given the current selection, now insert it into input */
526 if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
527 utf8, &da, &di, &dl, &dl, (unsigned char **)&p)
529 insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));
538 char buf[sizeof text], *p;
539 size_t i, imax = 0, size = 0;
540 unsigned int tmpmax = 0;
542 /* read each line from stdin and add it to the item list */
543 for (i = 0; fgets(buf, sizeof buf, stdin); i++) {
544 if (i + 1 >= size / sizeof *items)
545 if (!(items = realloc(items, (size += BUFSIZ))))
546 die("cannot realloc %u bytes:", size);
547 if ((p = strchr(buf, '\n')))
549 if (!(items[i].text = strdup(buf)))
550 die("cannot strdup %u bytes:", strlen(buf) + 1);
552 drw_font_getexts(drw->fonts, buf, strlen(buf), &tmpmax, NULL);
553 if (tmpmax > inputw) {
559 items[i].text = NULL;
560 inputw = items ? TEXTW(items[imax].text) : 0;
561 lines = MIN(lines, i);
569 while (!XNextEvent(dpy, &ev)) {
570 if (XFilterEvent(&ev, win))
574 if (ev.xdestroywindow.window != win)
579 if (ev.xexpose.count == 0)
580 drw_map(drw, win, 0, 0, mw, mh);
583 /* regrab focus from parent window */
584 if (ev.xfocus.window != win)
590 case SelectionNotify:
591 if (ev.xselection.property == utf8)
594 case VisibilityNotify:
595 if (ev.xvisibility.state != VisibilityUnobscured)
596 XRaiseWindow(dpy, win);
607 XSetWindowAttributes swa;
610 XWindowAttributes wa;
611 XClassHint ch = {"dmenu", "dmenu"};
613 XineramaScreenInfo *info;
615 int a, di, n, area = 0;
617 /* init appearance */
618 for (j = 0; j < SchemeLast; j++) {
619 scheme[j] = drw_scm_create(drw, (const char**)colors[j], 2);
621 for (j = 0; j < SchemeOut; ++j) {
622 for (i = 0; i < 2; ++i)
626 clip = XInternAtom(dpy, "CLIPBOARD", False);
627 utf8 = XInternAtom(dpy, "UTF8_STRING", False);
629 /* calculate menu geometry */
630 bh = drw->fonts->h + 2;
631 lines = MAX(lines, 0);
632 mh = (lines + 1) * bh;
633 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
636 if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) {
637 XGetInputFocus(dpy, &w, &di);
638 if (mon >= 0 && mon < n)
640 else if (w != root && w != PointerRoot && w != None) {
641 /* find top-level window containing current input focus */
643 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws)
645 } while (w != root && w != pw);
646 /* find xinerama screen with which the window intersects most */
647 if (XGetWindowAttributes(dpy, pw, &wa))
648 for (j = 0; j < n; j++)
649 if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {
654 /* no focused window is on screen, so use pointer location instead */
655 if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
656 for (i = 0; i < n; i++)
657 if (INTERSECT(x, y, 1, 1, info[i]))
661 mw = MIN(MAX(max_textw() + promptw, min_width), info[i].width);
662 x = info[i].x_org + ((info[i].width - mw) / 2);
663 y = info[i].y_org + ((info[i].height - mh) / 2);
666 y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
674 if (!XGetWindowAttributes(dpy, parentwin, &wa))
675 die("could not get embedding window attributes: 0x%lx",
679 mw = MIN(MAX(max_textw() + promptw, min_width), wa.width);
680 x = (wa.width - mw) / 2;
681 y = (wa.height - mh) / 2;
684 y = topbar ? 0 : wa.height - mh;
688 inputw = MIN(inputw, mw/3);
691 /* create menu window */
692 swa.override_redirect = True;
693 swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
694 swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
695 win = XCreateWindow(dpy, parentwin, x, y, mw, mh, 0,
696 CopyFromParent, CopyFromParent, CopyFromParent,
697 CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
698 XSetClassHint(dpy, win, &ch);
702 if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL)
703 die("XOpenIM failed: could not open input device");
705 xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
706 XNClientWindow, win, XNFocusWindow, win, NULL);
708 XMapRaised(dpy, win);
710 XSelectInput(dpy, parentwin, FocusChangeMask | SubstructureNotifyMask);
711 if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) {
712 for (i = 0; i < du && dws[i] != win; ++i)
713 XSelectInput(dpy, dws[i], FocusChangeMask);
718 drw_resize(drw, mw, mh);
725 fputs("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
726 " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr);
731 readxresources(void) {
735 if ((xrm = XResourceManagerString(drw->dpy))) {
737 XrmDatabase xdb = XrmGetStringDatabase(xrm);
740 if (XrmGetResource(xdb, "dmenu.font", "*", &type, &xval))
741 fonts[0] = strdup(xval.addr);
743 fonts[0] = strdup(fonts[0]);
744 if (XrmGetResource(xdb, "dmenu.background", "*", &type, &xval))
745 colors[SchemeNorm][ColBg] = strdup(xval.addr);
747 colors[SchemeNorm][ColBg] = strdup(colors[SchemeNorm][ColBg]);
748 if (XrmGetResource(xdb, "dmenu.foreground", "*", &type, &xval))
749 colors[SchemeNorm][ColFg] = strdup(xval.addr);
751 colors[SchemeNorm][ColFg] = strdup(colors[SchemeNorm][ColFg]);
752 if (XrmGetResource(xdb, "dmenu.selbackground", "*", &type, &xval))
753 colors[SchemeSel][ColBg] = strdup(xval.addr);
755 colors[SchemeSel][ColBg] = strdup(colors[SchemeSel][ColBg]);
756 if (XrmGetResource(xdb, "dmenu.selforeground", "*", &type, &xval))
757 colors[SchemeSel][ColFg] = strdup(xval.addr);
759 colors[SchemeSel][ColFg] = strdup(colors[SchemeSel][ColFg]);
761 XrmDestroyDatabase(xdb);
766 main(int argc, char *argv[])
768 XWindowAttributes wa;
771 for (i = 1; i < argc; i++)
772 /* these options take no arguments */
773 if (!strcmp(argv[i], "-v")) { /* prints version information */
774 puts("dmenu-"VERSION);
776 } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
778 else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */
780 else if (!strcmp(argv[i], "-c")) /* centers dmenu on screen */
782 else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
783 fstrncmp = strncasecmp;
785 } else if (i + 1 == argc)
787 /* these options take one argument */
788 else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */
789 lines = atoi(argv[++i]);
790 else if (!strcmp(argv[i], "-m"))
791 mon = atoi(argv[++i]);
792 else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */
794 else if (!strcmp(argv[i], "-fn")) /* font or font set */
795 tempfonts = argv[++i];
796 else if (!strcmp(argv[i], "-nb")) /* normal background color */
797 colortemp[0] = argv[++i];
798 else if (!strcmp(argv[i], "-nf")) /* normal foreground color */
799 colortemp[1] = argv[++i];
800 else if (!strcmp(argv[i], "-sb")) /* selected background color */
801 colortemp[2] = argv[++i];
802 else if (!strcmp(argv[i], "-sf")) /* selected foreground color */
803 colortemp[3] = argv[++i];
804 else if (!strcmp(argv[i], "-w")) /* embedding window id */
809 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
810 fputs("warning: no locale support\n", stderr);
811 if (!(dpy = XOpenDisplay(NULL)))
812 die("cannot open display");
813 screen = DefaultScreen(dpy);
814 root = RootWindow(dpy, screen);
815 if (!embed || !(parentwin = strtol(embed, NULL, 0)))
817 if (!XGetWindowAttributes(dpy, parentwin, &wa))
818 die("could not get embedding window attributes: 0x%lx",
820 drw = drw_create(dpy, screen, root, wa.width, wa.height);
822 /* Now we check whether to override xresources with commandline parameters */
824 fonts[0] = strdup(tempfonts);
826 colors[SchemeNorm][ColBg] = strdup(colortemp[0]);
828 colors[SchemeNorm][ColFg] = strdup(colortemp[1]);
830 colors[SchemeSel][ColBg] = strdup(colortemp[2]);
832 colors[SchemeSel][ColFg] = strdup(colortemp[3]);
834 if (!drw_fontset_create(drw, (const char**)fonts, LENGTH(fonts)))
835 die("no fonts could be loaded.");
838 lrpad = drw->fonts->h;
841 if (pledge("stdio rpath", NULL) == -1)
845 if (fast && !isatty(0)) {
855 return 1; /* unreachable */