dmenu.c (22690B)
1 /* See LICENSE file for copyright and license details. */ 2 #include <ctype.h> 3 #include <locale.h> 4 #include <math.h> 5 #include <stdio.h> 6 #include <stdlib.h> 7 #include <string.h> 8 #include <strings.h> 9 #include <time.h> 10 #include <unistd.h> 11 12 #include <X11/Xlib.h> 13 #include <X11/Xatom.h> 14 #include <X11/Xutil.h> 15 #ifdef XINERAMA 16 #include <X11/extensions/Xinerama.h> 17 #endif 18 #include <X11/Xft/Xft.h> 19 20 #include "drw.h" 21 #include "util.h" 22 23 /* macros */ 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 TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad) 27 28 /* enums */ 29 enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */ 30 31 struct item { 32 char *text; 33 struct item *left, *right; 34 int out; 35 double distance; 36 }; 37 38 static char text[BUFSIZ] = ""; 39 static char *embed; 40 static int bh, mw, mh; 41 static int dmx = 0; 42 static int dmy = 0; 43 static unsigned int dmw = 0; 44 static int inputw = 0, promptw; 45 static int lrpad; /* sum of left and right padding */ 46 static size_t cursor; 47 static struct item *items = NULL; 48 static struct item *matches, *matchend; 49 static struct item *prev, *curr, *next, *sel; 50 static int mon = -1, screen; 51 52 static Atom clip, utf8; 53 static Display *dpy; 54 static Window root, parentwin, win; 55 static XIC xic; 56 57 static Drw *drw; 58 static Clr *scheme[SchemeLast]; 59 60 #include "config.h" 61 62 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp; 63 static char *(*fstrstr)(const char *, const char *) = strstr; 64 65 static unsigned int 66 textw_clamp(const char *str, unsigned int n) 67 { 68 unsigned int w = drw_fontset_getwidth_clamp(drw, str, n) + lrpad; 69 return MIN(w, n); 70 } 71 72 static void 73 appenditem(struct item *item, struct item **list, struct item **last) 74 { 75 if (*last) 76 (*last)->right = item; 77 else 78 *list = item; 79 80 item->left = *last; 81 item->right = NULL; 82 *last = item; 83 } 84 85 static void 86 calcoffsets(void) 87 { 88 int i, n; 89 90 if (lines > 0) 91 n = lines * bh; 92 else 93 n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">")); 94 /* calculate which items will begin the next page and previous page */ 95 for (i = 0, next = curr; next; next = next->right) 96 if ((i += (lines > 0) ? bh : textw_clamp(next->text, n)) > n) 97 break; 98 for (i = 0, prev = curr; prev && prev->left; prev = prev->left) 99 if ((i += (lines > 0) ? bh : textw_clamp(prev->left->text, n)) > n) 100 break; 101 } 102 103 static void 104 cleanup(void) 105 { 106 size_t i; 107 108 XUngrabKeyboard(dpy, CurrentTime); 109 for (i = 0; i < SchemeLast; i++) 110 drw_scm_free(drw, scheme[i], 2); 111 for (i = 0; items && items[i].text; ++i) 112 free(items[i].text); 113 free(items); 114 drw_free(drw); 115 XSync(dpy, False); 116 XCloseDisplay(dpy); 117 } 118 119 static char * 120 cistrstr(const char *h, const char *n) 121 { 122 size_t i; 123 124 if (!n[0]) 125 return (char *)h; 126 127 for (; *h; ++h) { 128 for (i = 0; n[i] && tolower((unsigned char)n[i]) == 129 tolower((unsigned char)h[i]); ++i) 130 ; 131 if (n[i] == '\0') 132 return (char *)h; 133 } 134 return NULL; 135 } 136 137 static int 138 drawitem(struct item *item, int x, int y, int w) 139 { 140 if (item == sel) 141 drw_setscheme(drw, scheme[SchemeSel]); 142 else if (item->out) 143 drw_setscheme(drw, scheme[SchemeOut]); 144 else 145 drw_setscheme(drw, scheme[SchemeNorm]); 146 147 return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0); 148 } 149 150 static void 151 drawmenu(void) 152 { 153 unsigned int curpos; 154 struct item *item; 155 int x = 0, y = 0, w; 156 157 drw_setscheme(drw, scheme[SchemeNorm]); 158 drw_rect(drw, 0, 0, mw, mh, 1, 1); 159 160 if (prompt && *prompt) { 161 drw_setscheme(drw, scheme[SchemeSel]); 162 x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0); 163 } 164 /* draw input field */ 165 w = (lines > 0 || !matches) ? mw - x : inputw; 166 drw_setscheme(drw, scheme[SchemeNorm]); 167 drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0); 168 169 curpos = TEXTW(text) - TEXTW(&text[cursor]); 170 if ((curpos += lrpad / 2 - 1) < w) { 171 drw_setscheme(drw, scheme[SchemeNorm]); 172 drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0); 173 } 174 175 if (lines > 0) { 176 /* draw vertical list */ 177 for (item = curr; item != next; item = item->right) 178 drawitem(item, x, y += bh, mw - x); 179 } else if (matches && curr) { 180 /* draw horizontal list */ 181 x += inputw; 182 w = TEXTW("<"); 183 if (curr->left) { 184 drw_setscheme(drw, scheme[SchemeNorm]); 185 drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0); 186 } 187 x += w; 188 for (item = curr; item != next; item = item->right) 189 x = drawitem(item, x, 0, textw_clamp(item->text, mw - x - TEXTW(">"))); 190 if (next) { 191 w = TEXTW(">"); 192 drw_setscheme(drw, scheme[SchemeNorm]); 193 drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0); 194 } 195 } 196 drw_map(drw, win, 0, 0, mw, mh); 197 } 198 199 static void 200 grabfocus(void) 201 { 202 struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 }; 203 Window focuswin; 204 int i, revertwin; 205 206 for (i = 0; i < 100; ++i) { 207 XGetInputFocus(dpy, &focuswin, &revertwin); 208 if (focuswin == win) 209 return; 210 XSetInputFocus(dpy, win, RevertToParent, CurrentTime); 211 nanosleep(&ts, NULL); 212 } 213 die("cannot grab focus"); 214 } 215 216 static void 217 grabkeyboard(void) 218 { 219 struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; 220 int i; 221 222 if (embed) 223 return; 224 /* try to grab keyboard, we may have to wait for another process to ungrab */ 225 for (i = 0; i < 1000; i++) { 226 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync, 227 GrabModeAsync, CurrentTime) == GrabSuccess) 228 return; 229 nanosleep(&ts, NULL); 230 } 231 die("cannot grab keyboard"); 232 } 233 234 int 235 compare_distance(const void *a, const void *b) 236 { 237 struct item *da = *(struct item **) a; 238 struct item *db = *(struct item **) b; 239 240 if (!db) 241 return 1; 242 if (!da) 243 return -1; 244 245 return da->distance == db->distance ? 0 : da->distance < db->distance ? -1 : 1; 246 } 247 248 void 249 fuzzymatch(void) 250 { 251 /* bang - we have so much memory */ 252 struct item *it; 253 struct item **fuzzymatches = NULL; 254 char c; 255 int number_of_matches = 0, i, pidx, sidx, eidx; 256 int text_len = strlen(text), itext_len; 257 258 matches = matchend = NULL; 259 260 /* walk through all items */ 261 for (it = items; it && it->text; ++it) { 262 if (text_len) { 263 itext_len = strlen(it->text); 264 pidx = 0; /* pointer */ 265 sidx = eidx = -1; /* start of match, end of match */ 266 /* walk through item text */ 267 for (i = 0; i < itext_len && (c = it->text[i]); ++i) { 268 /* fuzzy match pattern */ 269 if (!fstrncmp(&text[pidx], &c, 1)) { 270 if(sidx == -1) 271 sidx = i; 272 ++pidx; 273 if (pidx == text_len) { 274 eidx = i; 275 break; 276 } 277 } 278 } 279 /* build list of matches */ 280 if (eidx != -1) { 281 /* compute distance */ 282 /* add penalty if match starts late (log(sidx+2)) 283 * add penalty for long a match without many matching characters */ 284 it->distance = log(sidx + 2) + (double)(eidx - sidx - text_len); 285 /* fprintf(stderr, "distance %s %f\n", it->text, it->distance); */ 286 appenditem(it, &matches, &matchend); 287 ++number_of_matches; 288 } 289 } else { 290 appenditem(it, &matches, &matchend); 291 } 292 } 293 294 if (number_of_matches) { 295 /* initialize array with matches */ 296 if (!(fuzzymatches = realloc(fuzzymatches, 297 number_of_matches * sizeof(struct item *)))) 298 die("cannot realloc %u bytes:", number_of_matches * sizeof(struct item *)); 299 for (i = 0, it = matches; it && i < number_of_matches; ++i, it = it->right) 300 fuzzymatches[i] = it; 301 /* sort matches according to distance */ 302 qsort(fuzzymatches, number_of_matches, sizeof(struct item*), compare_distance); 303 /* rebuild list of matches */ 304 matches = matchend = NULL; 305 for (i = 0, it = fuzzymatches[i]; i < number_of_matches && it && 306 it->text; ++i, it = fuzzymatches[i]) 307 appenditem(it, &matches, &matchend); 308 free(fuzzymatches); 309 } 310 curr = sel = matches; 311 calcoffsets(); 312 } 313 314 static void 315 match(void) 316 { 317 if (fuzzy) { 318 fuzzymatch(); 319 return; 320 } 321 static char **tokv = NULL; 322 static int tokn = 0; 323 324 char buf[sizeof text], *s; 325 int i, tokc = 0; 326 size_t len, textsize; 327 struct item *item, *lprefix, *lsubstr, *prefixend, *substrend; 328 329 strcpy(buf, text); 330 /* separate input text into tokens to be matched individually */ 331 for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " ")) 332 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv))) 333 die("cannot realloc %zu bytes:", tokn * sizeof *tokv); 334 len = tokc ? strlen(tokv[0]) : 0; 335 336 matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL; 337 textsize = strlen(text) + 1; 338 for (item = items; item && item->text; item++) { 339 for (i = 0; i < tokc; i++) 340 if (!fstrstr(item->text, tokv[i])) 341 break; 342 if (i != tokc) /* not all tokens match */ 343 continue; 344 /* exact matches go first, then prefixes, then substrings */ 345 if (!tokc || !fstrncmp(text, item->text, textsize)) 346 appenditem(item, &matches, &matchend); 347 else if (!fstrncmp(tokv[0], item->text, len)) 348 appenditem(item, &lprefix, &prefixend); 349 else 350 appenditem(item, &lsubstr, &substrend); 351 } 352 if (lprefix) { 353 if (matches) { 354 matchend->right = lprefix; 355 lprefix->left = matchend; 356 } else 357 matches = lprefix; 358 matchend = prefixend; 359 } 360 if (lsubstr) { 361 if (matches) { 362 matchend->right = lsubstr; 363 lsubstr->left = matchend; 364 } else 365 matches = lsubstr; 366 matchend = substrend; 367 } 368 curr = sel = matches; 369 calcoffsets(); 370 } 371 372 static void 373 insert(const char *str, ssize_t n) 374 { 375 if (strlen(text) + n > sizeof text - 1) 376 return; 377 /* move existing text out of the way, insert new text, and update cursor */ 378 memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0)); 379 if (n > 0) 380 memcpy(&text[cursor], str, n); 381 cursor += n; 382 match(); 383 } 384 385 static size_t 386 nextrune(int inc) 387 { 388 ssize_t n; 389 390 /* return location of next utf8 rune in the given direction (+1 or -1) */ 391 for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc) 392 ; 393 return n; 394 } 395 396 static void 397 movewordedge(int dir) 398 { 399 if (dir < 0) { /* move cursor to the start of the word*/ 400 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) 401 cursor = nextrune(-1); 402 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) 403 cursor = nextrune(-1); 404 } else { /* move cursor to the end of the word */ 405 while (text[cursor] && strchr(worddelimiters, text[cursor])) 406 cursor = nextrune(+1); 407 while (text[cursor] && !strchr(worddelimiters, text[cursor])) 408 cursor = nextrune(+1); 409 } 410 } 411 412 static void 413 keypress(XKeyEvent *ev) 414 { 415 char buf[64]; 416 int len; 417 KeySym ksym = NoSymbol; 418 Status status; 419 420 len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status); 421 switch (status) { 422 default: /* XLookupNone, XBufferOverflow */ 423 return; 424 case XLookupChars: /* composed string from input method */ 425 goto insert; 426 case XLookupKeySym: 427 case XLookupBoth: /* a KeySym and a string are returned: use keysym */ 428 break; 429 } 430 431 if (ev->state & ControlMask) { 432 switch(ksym) { 433 case XK_a: ksym = XK_Home; break; 434 case XK_b: ksym = XK_Left; break; 435 case XK_c: ksym = XK_Escape; break; 436 case XK_d: ksym = XK_Delete; break; 437 case XK_e: ksym = XK_End; break; 438 case XK_f: ksym = XK_Right; break; 439 case XK_g: ksym = XK_Escape; break; 440 case XK_h: ksym = XK_BackSpace; break; 441 case XK_i: ksym = XK_Tab; break; 442 case XK_j: /* fallthrough */ 443 case XK_J: /* fallthrough */ 444 case XK_m: /* fallthrough */ 445 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break; 446 case XK_n: ksym = XK_Down; break; 447 case XK_p: ksym = XK_Up; break; 448 449 case XK_k: /* delete right */ 450 text[cursor] = '\0'; 451 match(); 452 break; 453 case XK_u: /* delete left */ 454 insert(NULL, 0 - cursor); 455 break; 456 case XK_w: /* delete word */ 457 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) 458 insert(NULL, nextrune(-1) - cursor); 459 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) 460 insert(NULL, nextrune(-1) - cursor); 461 break; 462 case XK_y: /* paste selection */ 463 case XK_Y: 464 XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY, 465 utf8, utf8, win, CurrentTime); 466 return; 467 case XK_Left: 468 case XK_KP_Left: 469 movewordedge(-1); 470 goto draw; 471 case XK_Right: 472 case XK_KP_Right: 473 movewordedge(+1); 474 goto draw; 475 case XK_Return: 476 case XK_KP_Enter: 477 break; 478 case XK_bracketleft: 479 cleanup(); 480 exit(1); 481 default: 482 return; 483 } 484 } else if (ev->state & Mod1Mask) { 485 switch(ksym) { 486 case XK_b: 487 movewordedge(-1); 488 goto draw; 489 case XK_f: 490 movewordedge(+1); 491 goto draw; 492 case XK_g: ksym = XK_Home; break; 493 case XK_G: ksym = XK_End; break; 494 case XK_h: ksym = XK_Up; break; 495 case XK_j: ksym = XK_Next; break; 496 case XK_k: ksym = XK_Prior; break; 497 case XK_l: ksym = XK_Down; break; 498 default: 499 return; 500 } 501 } 502 503 switch(ksym) { 504 default: 505 insert: 506 if (len > 0 && !iscntrl((unsigned char)*buf)) 507 insert(buf, len); 508 break; 509 case XK_Delete: 510 case XK_KP_Delete: 511 if (text[cursor] == '\0') 512 return; 513 cursor = nextrune(+1); 514 /* fallthrough */ 515 case XK_BackSpace: 516 if (cursor == 0) 517 return; 518 insert(NULL, nextrune(-1) - cursor); 519 break; 520 case XK_End: 521 case XK_KP_End: 522 if (text[cursor] != '\0') { 523 cursor = strlen(text); 524 break; 525 } 526 if (next) { 527 /* jump to end of list and position items in reverse */ 528 curr = matchend; 529 calcoffsets(); 530 curr = prev; 531 calcoffsets(); 532 while (next && (curr = curr->right)) 533 calcoffsets(); 534 } 535 sel = matchend; 536 break; 537 case XK_Escape: 538 cleanup(); 539 exit(1); 540 case XK_Home: 541 case XK_KP_Home: 542 if (sel == matches) { 543 cursor = 0; 544 break; 545 } 546 sel = curr = matches; 547 calcoffsets(); 548 break; 549 case XK_Left: 550 case XK_KP_Left: 551 if (cursor > 0 && (!sel || !sel->left || lines > 0)) { 552 cursor = nextrune(-1); 553 break; 554 } 555 if (lines > 0) 556 return; 557 /* fallthrough */ 558 case XK_Up: 559 case XK_KP_Up: 560 if (sel && sel->left && (sel = sel->left)->right == curr) { 561 curr = prev; 562 calcoffsets(); 563 } 564 break; 565 case XK_Next: 566 case XK_KP_Next: 567 if (!next) 568 return; 569 sel = curr = next; 570 calcoffsets(); 571 break; 572 case XK_Prior: 573 case XK_KP_Prior: 574 if (!prev) 575 return; 576 sel = curr = prev; 577 calcoffsets(); 578 break; 579 case XK_Return: 580 case XK_KP_Enter: 581 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text); 582 if (!(ev->state & ControlMask)) { 583 cleanup(); 584 exit(0); 585 } 586 if (sel) 587 sel->out = 1; 588 break; 589 case XK_Right: 590 case XK_KP_Right: 591 if (text[cursor] != '\0') { 592 cursor = nextrune(+1); 593 break; 594 } 595 if (lines > 0) 596 return; 597 /* fallthrough */ 598 case XK_Down: 599 case XK_KP_Down: 600 if (sel && sel->right && (sel = sel->right) == next) { 601 curr = next; 602 calcoffsets(); 603 } 604 break; 605 case XK_Tab: 606 if (!sel) 607 return; 608 cursor = strnlen(sel->text, sizeof text - 1); 609 memcpy(text, sel->text, cursor); 610 text[cursor] = '\0'; 611 match(); 612 break; 613 } 614 615 draw: 616 drawmenu(); 617 } 618 619 static void 620 paste(void) 621 { 622 char *p, *q; 623 int di; 624 unsigned long dl; 625 Atom da; 626 627 /* we have been given the current selection, now insert it into input */ 628 if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False, 629 utf8, &da, &di, &dl, &dl, (unsigned char **)&p) 630 == Success && p) { 631 insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p)); 632 XFree(p); 633 } 634 drawmenu(); 635 } 636 637 static void 638 readstdin(void) 639 { 640 char *line = NULL; 641 size_t i, itemsiz = 0, linesiz = 0; 642 ssize_t len; 643 644 /* read each line from stdin and add it to the item list */ 645 for (i = 0; (len = getline(&line, &linesiz, stdin)) != -1; i++) { 646 if (i + 1 >= itemsiz) { 647 itemsiz += 256; 648 if (!(items = realloc(items, itemsiz * sizeof(*items)))) 649 die("cannot realloc %zu bytes:", itemsiz * sizeof(*items)); 650 } 651 if (line[len - 1] == '\n') 652 line[len - 1] = '\0'; 653 if (!(items[i].text = strdup(line))) 654 die("strdup:"); 655 656 items[i].out = 0; 657 } 658 free(line); 659 if (items) 660 items[i].text = NULL; 661 lines = MIN(lines, i); 662 } 663 664 static void 665 run(void) 666 { 667 XEvent ev; 668 669 while (!XNextEvent(dpy, &ev)) { 670 if (XFilterEvent(&ev, win)) 671 continue; 672 switch(ev.type) { 673 case DestroyNotify: 674 if (ev.xdestroywindow.window != win) 675 break; 676 cleanup(); 677 exit(1); 678 case Expose: 679 if (ev.xexpose.count == 0) 680 drw_map(drw, win, 0, 0, mw, mh); 681 break; 682 case FocusIn: 683 /* regrab focus from parent window */ 684 if (ev.xfocus.window != win) 685 grabfocus(); 686 break; 687 case KeyPress: 688 keypress(&ev.xkey); 689 break; 690 case SelectionNotify: 691 if (ev.xselection.property == utf8) 692 paste(); 693 break; 694 case VisibilityNotify: 695 if (ev.xvisibility.state != VisibilityUnobscured) 696 XRaiseWindow(dpy, win); 697 break; 698 } 699 } 700 } 701 702 static void 703 setup(void) 704 { 705 int x, y, i, j; 706 unsigned int du; 707 XSetWindowAttributes swa; 708 XIM xim; 709 Window w, dw, *dws; 710 XWindowAttributes wa; 711 XClassHint ch = {"dmenu", "dmenu"}; 712 #ifdef XINERAMA 713 XineramaScreenInfo *info; 714 Window pw; 715 int a, di, n, area = 0; 716 #endif 717 /* init appearance */ 718 for (j = 0; j < SchemeLast; j++) 719 scheme[j] = drw_scm_create(drw, colors[j], 2); 720 721 clip = XInternAtom(dpy, "CLIPBOARD", False); 722 utf8 = XInternAtom(dpy, "UTF8_STRING", False); 723 724 /* calculate menu geometry */ 725 bh = drw->fonts->h + 2; 726 lines = MAX(lines, 0); 727 mh = (lines + 1) * bh; 728 #ifdef XINERAMA 729 i = 0; 730 if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) { 731 if (n < 1) 732 die("Xinerama reported no screens"); 733 XGetInputFocus(dpy, &w, &di); 734 if (mon >= 0 && mon < n) 735 i = mon; 736 else if (w != root && w != PointerRoot && w != None) { 737 /* find top-level window containing current input focus */ 738 do { 739 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws) 740 XFree(dws); 741 } while (w != root && w != pw); 742 /* find xinerama screen with which the window intersects most */ 743 if (XGetWindowAttributes(dpy, pw, &wa)) 744 for (j = 0; j < n; j++) 745 if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) { 746 area = a; 747 i = j; 748 } 749 } 750 /* no focused window is on screen, so use pointer location instead */ 751 if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du)) 752 for (i = 0; i < n; i++) 753 if (INTERSECT(x, y, 1, 1, info[i]) != 0) 754 break; 755 /* fallback to the first screen if there is no intersection */ 756 if (i >= n) 757 i = 0; 758 759 x = info[i].x_org + dmx; 760 y = info[i].y_org + (topbar ? dmy : info[i].height - mh - dmy); 761 mw = (dmw>0 ? dmw : info[i].width); 762 XFree(info); 763 } else 764 #endif 765 { 766 if (!XGetWindowAttributes(dpy, parentwin, &wa)) 767 die("could not get embedding window attributes: 0x%lx", 768 parentwin); 769 x = dmx; 770 y = topbar ? dmy : wa.height - mh - dmy; 771 mw = (dmw>0 ? dmw : wa.width); 772 } 773 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0; 774 inputw = mw / 3; /* input width: ~33% of monitor width */ 775 match(); 776 777 /* create menu window */ 778 swa.override_redirect = True; 779 swa.background_pixel = scheme[SchemeNorm][ColBg].pixel; 780 swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask; 781 win = XCreateWindow(dpy, root, x, y, mw, mh, 0, 782 CopyFromParent, CopyFromParent, CopyFromParent, 783 CWOverrideRedirect | CWBackPixel | CWEventMask, &swa); 784 XSetClassHint(dpy, win, &ch); 785 786 /* input methods */ 787 if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL) 788 die("XOpenIM failed: could not open input device"); 789 790 xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, 791 XNClientWindow, win, XNFocusWindow, win, NULL); 792 793 XMapRaised(dpy, win); 794 if (embed) { 795 XReparentWindow(dpy, win, parentwin, x, y); 796 XSelectInput(dpy, parentwin, FocusChangeMask | SubstructureNotifyMask); 797 if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) { 798 for (i = 0; i < du && dws[i] != win; ++i) 799 XSelectInput(dpy, dws[i], FocusChangeMask); 800 XFree(dws); 801 } 802 grabfocus(); 803 } 804 drw_resize(drw, mw, mh); 805 drawmenu(); 806 } 807 808 static void 809 usage(void) 810 { 811 die("usage: dmenu [-bFfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n" 812 " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]"); 813 } 814 815 int 816 main(int argc, char *argv[]) 817 { 818 XWindowAttributes wa; 819 int i, fast = 0; 820 821 for (i = 1; i < argc; i++) 822 /* these options take no arguments */ 823 if (!strcmp(argv[i], "-v")) { /* prints version information */ 824 puts("dmenu-"VERSION); 825 exit(0); 826 } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */ 827 topbar = 0; 828 else if (!strcmp(argv[i], "-F")) /* disables fuzzy matching */ 829 fuzzy = 0; 830 else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */ 831 fast = 1; 832 else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */ 833 fstrncmp = strncasecmp; 834 fstrstr = cistrstr; 835 } else if (i + 1 == argc) 836 usage(); 837 /* these options take one argument */ 838 else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */ 839 lines = atoi(argv[++i]); 840 else if (!strcmp(argv[i], "-x")) /* window x offset */ 841 dmx = atoi(argv[++i]); 842 else if (!strcmp(argv[i], "-y")) /* window y offset (from bottom up if -b) */ 843 dmy = atoi(argv[++i]); 844 else if (!strcmp(argv[i], "-z")) /* make dmenu this wide */ 845 dmw = atoi(argv[++i]); 846 else if (!strcmp(argv[i], "-m")) 847 mon = atoi(argv[++i]); 848 else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */ 849 prompt = argv[++i]; 850 else if (!strcmp(argv[i], "-fn")) /* font or font set */ 851 fonts[0] = argv[++i]; 852 else if (!strcmp(argv[i], "-nb")) /* normal background color */ 853 colors[SchemeNorm][ColBg] = argv[++i]; 854 else if (!strcmp(argv[i], "-nf")) /* normal foreground color */ 855 colors[SchemeNorm][ColFg] = argv[++i]; 856 else if (!strcmp(argv[i], "-sb")) /* selected background color */ 857 colors[SchemeSel][ColBg] = argv[++i]; 858 else if (!strcmp(argv[i], "-sf")) /* selected foreground color */ 859 colors[SchemeSel][ColFg] = argv[++i]; 860 else if (!strcmp(argv[i], "-ob")) /* outline background color */ 861 colors[SchemeOut][ColBg] = argv[++i]; 862 else if (!strcmp(argv[i], "-of")) /* outline foreground color */ 863 colors[SchemeOut][ColFg] = argv[++i]; 864 else if (!strcmp(argv[i], "-w")) /* embedding window id */ 865 embed = argv[++i]; 866 else 867 usage(); 868 869 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale()) 870 fputs("warning: no locale support\n", stderr); 871 if (!(dpy = XOpenDisplay(NULL))) 872 die("cannot open display"); 873 screen = DefaultScreen(dpy); 874 root = RootWindow(dpy, screen); 875 if (!embed || !(parentwin = strtol(embed, NULL, 0))) 876 parentwin = root; 877 if (!XGetWindowAttributes(dpy, parentwin, &wa)) 878 die("could not get embedding window attributes: 0x%lx", 879 parentwin); 880 drw = drw_create(dpy, screen, root, wa.width, wa.height); 881 if (!drw_fontset_create(drw, fonts, LENGTH(fonts))) 882 die("no fonts could be loaded."); 883 lrpad = drw->fonts->h; 884 885 #ifdef __OpenBSD__ 886 if (pledge("stdio rpath", NULL) == -1) 887 die("pledge"); 888 #endif 889 890 if (fast && !isatty(0)) { 891 grabkeyboard(); 892 readstdin(); 893 } else { 894 readstdin(); 895 grabkeyboard(); 896 } 897 setup(); 898 run(); 899 900 return 1; /* unreachable */ 901 }