dmenu.c (23324B)
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, SchemeNormHighlight, SchemeSelHighlight, 30 SchemeOut, SchemeLast }; /* color schemes */ 31 32 33 struct item { 34 char *text; 35 struct item *left, *right; 36 int out; 37 double distance; 38 }; 39 40 static char text[BUFSIZ] = ""; 41 static char *embed; 42 static int bh, mw, mh; 43 static int inputw = 0, promptw; 44 static int lrpad; /* sum of left and right padding */ 45 static size_t cursor; 46 static struct item *items = NULL; 47 static struct item *matches, *matchend; 48 static struct item *prev, *curr, *next, *sel; 49 static int mon = -1, screen; 50 51 static Atom clip, utf8; 52 static Display *dpy; 53 static Window root, parentwin, win; 54 static XIC xic; 55 56 static Drw *drw; 57 static Clr *scheme[SchemeLast]; 58 59 #include "config.h" 60 61 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp; 62 static char *(*fstrstr)(const char *, const char *) = strstr; 63 64 static unsigned int 65 textw_clamp(const char *str, unsigned int n) 66 { 67 unsigned int w = drw_fontset_getwidth_clamp(drw, str, n) + lrpad; 68 return MIN(w, n); 69 } 70 71 static void 72 appenditem(struct item *item, struct item **list, struct item **last) 73 { 74 if (*last) 75 (*last)->right = item; 76 else 77 *list = item; 78 79 item->left = *last; 80 item->right = NULL; 81 *last = item; 82 } 83 84 static void 85 calcoffsets(void) 86 { 87 int i, n; 88 89 if (lines > 0) 90 n = lines * bh; 91 else 92 n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">")); 93 /* calculate which items will begin the next page and previous page */ 94 for (i = 0, next = curr; next; next = next->right) 95 if ((i += (lines > 0) ? bh : textw_clamp(next->text, n)) > n) 96 break; 97 for (i = 0, prev = curr; prev && prev->left; prev = prev->left) 98 if ((i += (lines > 0) ? bh : textw_clamp(prev->left->text, n)) > n) 99 break; 100 } 101 102 static void 103 cleanup(void) 104 { 105 size_t i; 106 107 XUngrabKeyboard(dpy, CurrentTime); 108 for (i = 0; i < SchemeLast; i++) 109 free(scheme[i]); 110 for (i = 0; items && items[i].text; ++i) 111 free(items[i].text); 112 free(items); 113 drw_free(drw); 114 XSync(dpy, False); 115 XCloseDisplay(dpy); 116 } 117 118 static char * 119 cistrstr(const char *h, const char *n) 120 { 121 size_t i; 122 123 if (!n[0]) 124 return (char *)h; 125 126 for (; *h; ++h) { 127 for (i = 0; n[i] && tolower((unsigned char)n[i]) == 128 tolower((unsigned char)h[i]); ++i) 129 ; 130 if (n[i] == '\0') 131 return (char *)h; 132 } 133 return NULL; 134 } 135 136 static void 137 drawhighlights(struct item *item, int x, int y, int maxw) 138 { 139 int i, indent; 140 char c, *highlight; 141 142 if (!(strlen(item->text) && strlen(text))) 143 return; 144 145 drw_setscheme(drw, scheme[item == sel 146 ? SchemeSelHighlight 147 : SchemeNormHighlight]); 148 for (i = 0, highlight = item->text; *highlight && text[i];) { 149 if (!fstrncmp(highlight, &text[i], 1)) { 150 /* get indentation */ 151 c = *highlight; 152 *highlight = '\0'; 153 indent = TEXTW(item->text); 154 *highlight = c; 155 156 /* highlight character */ 157 c = highlight[1]; 158 highlight[1] = '\0'; 159 drw_text( 160 drw, 161 x + indent - (lrpad / 2.), 162 y, 163 MIN(maxw - indent, TEXTW(highlight) - lrpad), 164 bh, 0, highlight, 0 165 ); 166 highlight[1] = c; 167 ++i; 168 } 169 ++highlight; 170 } 171 } 172 173 static int 174 drawitem(struct item *item, int x, int y, int w) 175 { 176 int r; 177 if (item == sel) 178 drw_setscheme(drw, scheme[SchemeSel]); 179 else if (item->out) 180 drw_setscheme(drw, scheme[SchemeOut]); 181 else 182 drw_setscheme(drw, scheme[SchemeNorm]); 183 184 r = drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0); 185 drawhighlights(item, x, y, w); 186 return r; 187 } 188 189 static void 190 drawmenu(void) 191 { 192 unsigned int curpos; 193 struct item *item; 194 int x = 0, y = 0, w; 195 196 drw_setscheme(drw, scheme[SchemeNorm]); 197 drw_rect(drw, 0, 0, mw, mh, 1, 1); 198 199 if (prompt && *prompt) { 200 drw_setscheme(drw, scheme[SchemeSel]); 201 x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0); 202 } 203 /* draw input field */ 204 w = (lines > 0 || !matches) ? mw - x : inputw; 205 drw_setscheme(drw, scheme[SchemeNorm]); 206 drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0); 207 208 curpos = TEXTW(text) - TEXTW(&text[cursor]); 209 if ((curpos += lrpad / 2 - 1) < w) { 210 drw_setscheme(drw, scheme[SchemeNorm]); 211 drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0); 212 } 213 214 if (lines > 0) { 215 /* draw vertical list */ 216 for (item = curr; item != next; item = item->right) 217 drawitem(item, x, y += bh, mw - x); 218 } else if (matches) { 219 /* draw horizontal list */ 220 x += inputw; 221 w = TEXTW("<"); 222 if (curr->left) { 223 drw_setscheme(drw, scheme[SchemeNorm]); 224 drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0); 225 } 226 x += w; 227 for (item = curr; item != next; item = item->right) 228 x = drawitem(item, x, 0, textw_clamp(item->text, mw - x - TEXTW(">"))); 229 if (next) { 230 w = TEXTW(">"); 231 drw_setscheme(drw, scheme[SchemeNorm]); 232 drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0); 233 } 234 } 235 drw_map(drw, win, 0, 0, mw, mh); 236 } 237 238 static void 239 grabfocus(void) 240 { 241 struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 }; 242 Window focuswin; 243 int i, revertwin; 244 245 for (i = 0; i < 100; ++i) { 246 XGetInputFocus(dpy, &focuswin, &revertwin); 247 if (focuswin == win) 248 return; 249 XSetInputFocus(dpy, win, RevertToParent, CurrentTime); 250 nanosleep(&ts, NULL); 251 } 252 die("cannot grab focus"); 253 } 254 255 static void 256 grabkeyboard(void) 257 { 258 struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; 259 int i; 260 261 if (embed) 262 return; 263 /* try to grab keyboard, we may have to wait for another process to ungrab */ 264 for (i = 0; i < 1000; i++) { 265 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync, 266 GrabModeAsync, CurrentTime) == GrabSuccess) 267 return; 268 nanosleep(&ts, NULL); 269 } 270 die("cannot grab keyboard"); 271 } 272 273 int 274 compare_distance(const void *a, const void *b) 275 { 276 struct item *da = *(struct item **) a; 277 struct item *db = *(struct item **) b; 278 279 if (!db) 280 return 1; 281 if (!da) 282 return -1; 283 284 return da->distance == db->distance ? 0 : da->distance < db->distance ? -1 : 1; 285 } 286 287 void 288 fuzzymatch(void) 289 { 290 /* bang - we have so much memory */ 291 struct item *it; 292 struct item **fuzzymatches = NULL; 293 char c; 294 int number_of_matches = 0, i, pidx, sidx, eidx; 295 int text_len = strlen(text), itext_len; 296 297 matches = matchend = NULL; 298 299 /* walk through all items */ 300 for (it = items; it && it->text; ++it) { 301 if (text_len) { 302 itext_len = strlen(it->text); 303 pidx = 0; /* pointer */ 304 sidx = eidx = -1; /* start of match, end of match */ 305 /* walk through item text */ 306 for (i = 0; i < itext_len && (c = it->text[i]); ++i) { 307 /* fuzzy match pattern */ 308 if (!fstrncmp(&text[pidx], &c, 1)) { 309 if(sidx == -1) 310 sidx = i; 311 ++pidx; 312 if (pidx == text_len) { 313 eidx = i; 314 break; 315 } 316 } 317 } 318 /* build list of matches */ 319 if (eidx != -1) { 320 /* compute distance */ 321 /* add penalty if match starts late (log(sidx+2)) 322 * add penalty for long a match without many matching characters */ 323 it->distance = log(sidx + 2) + (double)(eidx - sidx - text_len); 324 /* fprintf(stderr, "distance %s %f\n", it->text, it->distance); */ 325 appenditem(it, &matches, &matchend); 326 ++number_of_matches; 327 } 328 } else { 329 appenditem(it, &matches, &matchend); 330 } 331 } 332 333 if (number_of_matches) { 334 /* initialize array with matches */ 335 if (!(fuzzymatches = realloc(fuzzymatches, 336 number_of_matches * sizeof(struct item *)))) 337 die("cannot realloc %u bytes:", number_of_matches * sizeof(struct item *)); 338 for (i = 0, it = matches; it && i < number_of_matches; ++i, it = it->right) 339 fuzzymatches[i] = it; 340 /* sort matches according to distance */ 341 qsort(fuzzymatches, number_of_matches, sizeof(struct item*), compare_distance); 342 /* rebuild list of matches */ 343 matches = matchend = NULL; 344 for (i = 0, it = fuzzymatches[i]; i < number_of_matches && it && 345 it->text; ++i, it = fuzzymatches[i]) 346 appenditem(it, &matches, &matchend); 347 free(fuzzymatches); 348 } 349 curr = sel = matches; 350 calcoffsets(); 351 } 352 353 static void 354 match(void) 355 { 356 if (fuzzy) { 357 fuzzymatch(); 358 return; 359 } 360 static char **tokv = NULL; 361 static int tokn = 0; 362 363 char buf[sizeof text], *s; 364 int i, tokc = 0; 365 size_t len, textsize; 366 struct item *item, *lprefix, *lsubstr, *prefixend, *substrend; 367 368 strcpy(buf, text); 369 /* separate input text into tokens to be matched individually */ 370 for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " ")) 371 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv))) 372 die("cannot realloc %zu bytes:", tokn * sizeof *tokv); 373 len = tokc ? strlen(tokv[0]) : 0; 374 375 matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL; 376 textsize = strlen(text) + 1; 377 for (item = items; item && item->text; item++) { 378 for (i = 0; i < tokc; i++) 379 if (!fstrstr(item->text, tokv[i])) 380 break; 381 if (i != tokc) /* not all tokens match */ 382 continue; 383 /* exact matches go first, then prefixes, then substrings */ 384 if (!tokc || !fstrncmp(text, item->text, textsize)) 385 appenditem(item, &matches, &matchend); 386 else if (!fstrncmp(tokv[0], item->text, len)) 387 appenditem(item, &lprefix, &prefixend); 388 else 389 appenditem(item, &lsubstr, &substrend); 390 } 391 if (lprefix) { 392 if (matches) { 393 matchend->right = lprefix; 394 lprefix->left = matchend; 395 } else 396 matches = lprefix; 397 matchend = prefixend; 398 } 399 if (lsubstr) { 400 if (matches) { 401 matchend->right = lsubstr; 402 lsubstr->left = matchend; 403 } else 404 matches = lsubstr; 405 matchend = substrend; 406 } 407 curr = sel = matches; 408 calcoffsets(); 409 } 410 411 static void 412 insert(const char *str, ssize_t n) 413 { 414 if (strlen(text) + n > sizeof text - 1) 415 return; 416 /* move existing text out of the way, insert new text, and update cursor */ 417 memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0)); 418 if (n > 0) 419 memcpy(&text[cursor], str, n); 420 cursor += n; 421 match(); 422 } 423 424 static size_t 425 nextrune(int inc) 426 { 427 ssize_t n; 428 429 /* return location of next utf8 rune in the given direction (+1 or -1) */ 430 for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc) 431 ; 432 return n; 433 } 434 435 static void 436 movewordedge(int dir) 437 { 438 if (dir < 0) { /* move cursor to the start of the word*/ 439 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) 440 cursor = nextrune(-1); 441 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) 442 cursor = nextrune(-1); 443 } else { /* move cursor to the end of the word */ 444 while (text[cursor] && strchr(worddelimiters, text[cursor])) 445 cursor = nextrune(+1); 446 while (text[cursor] && !strchr(worddelimiters, text[cursor])) 447 cursor = nextrune(+1); 448 } 449 } 450 451 static void 452 keypress(XKeyEvent *ev) 453 { 454 char buf[64]; 455 int len; 456 KeySym ksym = NoSymbol; 457 Status status; 458 459 len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status); 460 switch (status) { 461 default: /* XLookupNone, XBufferOverflow */ 462 return; 463 case XLookupChars: /* composed string from input method */ 464 goto insert; 465 case XLookupKeySym: 466 case XLookupBoth: /* a KeySym and a string are returned: use keysym */ 467 break; 468 } 469 470 if (ev->state & ControlMask) { 471 switch(ksym) { 472 case XK_a: ksym = XK_Home; break; 473 case XK_b: ksym = XK_Left; break; 474 case XK_c: ksym = XK_Escape; break; 475 case XK_d: ksym = XK_Delete; break; 476 case XK_e: ksym = XK_End; break; 477 case XK_f: ksym = XK_Right; break; 478 case XK_g: ksym = XK_Escape; break; 479 case XK_h: ksym = XK_BackSpace; break; 480 case XK_i: ksym = XK_Tab; break; 481 case XK_j: /* fallthrough */ 482 case XK_J: /* fallthrough */ 483 case XK_m: /* fallthrough */ 484 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break; 485 case XK_n: ksym = XK_Down; break; 486 case XK_p: ksym = XK_Up; break; 487 488 case XK_k: /* delete right */ 489 text[cursor] = '\0'; 490 match(); 491 break; 492 case XK_u: /* delete left */ 493 insert(NULL, 0 - cursor); 494 break; 495 case XK_w: /* delete word */ 496 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) 497 insert(NULL, nextrune(-1) - cursor); 498 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) 499 insert(NULL, nextrune(-1) - cursor); 500 break; 501 case XK_y: /* paste selection */ 502 case XK_Y: 503 XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY, 504 utf8, utf8, win, CurrentTime); 505 return; 506 case XK_Left: 507 case XK_KP_Left: 508 movewordedge(-1); 509 goto draw; 510 case XK_Right: 511 case XK_KP_Right: 512 movewordedge(+1); 513 goto draw; 514 case XK_Return: 515 case XK_KP_Enter: 516 break; 517 case XK_bracketleft: 518 cleanup(); 519 exit(1); 520 default: 521 return; 522 } 523 } else if (ev->state & Mod1Mask) { 524 switch(ksym) { 525 case XK_b: 526 movewordedge(-1); 527 goto draw; 528 case XK_f: 529 movewordedge(+1); 530 goto draw; 531 case XK_g: ksym = XK_Home; break; 532 case XK_G: ksym = XK_End; break; 533 case XK_h: ksym = XK_Up; break; 534 case XK_j: ksym = XK_Next; break; 535 case XK_k: ksym = XK_Prior; break; 536 case XK_l: ksym = XK_Down; break; 537 default: 538 return; 539 } 540 } 541 542 switch(ksym) { 543 default: 544 insert: 545 if (!iscntrl((unsigned char)*buf)) 546 insert(buf, len); 547 break; 548 case XK_Delete: 549 case XK_KP_Delete: 550 if (text[cursor] == '\0') 551 return; 552 cursor = nextrune(+1); 553 /* fallthrough */ 554 case XK_BackSpace: 555 if (cursor == 0) 556 return; 557 insert(NULL, nextrune(-1) - cursor); 558 break; 559 case XK_End: 560 case XK_KP_End: 561 if (text[cursor] != '\0') { 562 cursor = strlen(text); 563 break; 564 } 565 if (next) { 566 /* jump to end of list and position items in reverse */ 567 curr = matchend; 568 calcoffsets(); 569 curr = prev; 570 calcoffsets(); 571 while (next && (curr = curr->right)) 572 calcoffsets(); 573 } 574 sel = matchend; 575 break; 576 case XK_Escape: 577 cleanup(); 578 exit(1); 579 case XK_Home: 580 case XK_KP_Home: 581 if (sel == matches) { 582 cursor = 0; 583 break; 584 } 585 sel = curr = matches; 586 calcoffsets(); 587 break; 588 case XK_Left: 589 case XK_KP_Left: 590 if (cursor > 0 && (!sel || !sel->left || lines > 0)) { 591 cursor = nextrune(-1); 592 break; 593 } 594 if (lines > 0) 595 return; 596 /* fallthrough */ 597 case XK_Up: 598 case XK_KP_Up: 599 if (sel && sel->left && (sel = sel->left)->right == curr) { 600 curr = prev; 601 calcoffsets(); 602 } 603 break; 604 case XK_Next: 605 case XK_KP_Next: 606 if (!next) 607 return; 608 sel = curr = next; 609 calcoffsets(); 610 break; 611 case XK_Prior: 612 case XK_KP_Prior: 613 if (!prev) 614 return; 615 sel = curr = prev; 616 calcoffsets(); 617 break; 618 case XK_Return: 619 case XK_KP_Enter: 620 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text); 621 if (!(ev->state & ControlMask)) { 622 cleanup(); 623 exit(0); 624 } 625 if (sel) 626 sel->out = 1; 627 break; 628 case XK_Right: 629 case XK_KP_Right: 630 if (text[cursor] != '\0') { 631 cursor = nextrune(+1); 632 break; 633 } 634 if (lines > 0) 635 return; 636 /* fallthrough */ 637 case XK_Down: 638 case XK_KP_Down: 639 if (sel && sel->right && (sel = sel->right) == next) { 640 curr = next; 641 calcoffsets(); 642 } 643 break; 644 case XK_Tab: 645 if (!sel) 646 return; 647 cursor = strnlen(sel->text, sizeof text - 1); 648 memcpy(text, sel->text, cursor); 649 text[cursor] = '\0'; 650 match(); 651 break; 652 } 653 654 draw: 655 drawmenu(); 656 } 657 658 static void 659 paste(void) 660 { 661 char *p, *q; 662 int di; 663 unsigned long dl; 664 Atom da; 665 666 /* we have been given the current selection, now insert it into input */ 667 if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False, 668 utf8, &da, &di, &dl, &dl, (unsigned char **)&p) 669 == Success && p) { 670 insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p)); 671 XFree(p); 672 } 673 drawmenu(); 674 } 675 676 static void 677 readstdin(void) 678 { 679 char *line = NULL; 680 size_t i, itemsiz = 0, linesiz = 0; 681 ssize_t len; 682 683 /* read each line from stdin and add it to the item list */ 684 for (i = 0; (len = getline(&line, &linesiz, stdin)) != -1; i++) { 685 if (i + 1 >= itemsiz) { 686 itemsiz += 256; 687 if (!(items = realloc(items, itemsiz * sizeof(*items)))) 688 die("cannot realloc %zu bytes:", itemsiz * sizeof(*items)); 689 } 690 if (line[len - 1] == '\n') 691 line[len - 1] = '\0'; 692 if (!(items[i].text = strdup(line))) 693 die("strdup:"); 694 695 items[i].out = 0; 696 } 697 free(line); 698 if (items) 699 items[i].text = NULL; 700 lines = MIN(lines, i); 701 } 702 703 static void 704 run(void) 705 { 706 XEvent ev; 707 708 while (!XNextEvent(dpy, &ev)) { 709 if (XFilterEvent(&ev, win)) 710 continue; 711 switch(ev.type) { 712 case DestroyNotify: 713 if (ev.xdestroywindow.window != win) 714 break; 715 cleanup(); 716 exit(1); 717 case Expose: 718 if (ev.xexpose.count == 0) 719 drw_map(drw, win, 0, 0, mw, mh); 720 break; 721 case FocusIn: 722 /* regrab focus from parent window */ 723 if (ev.xfocus.window != win) 724 grabfocus(); 725 break; 726 case KeyPress: 727 keypress(&ev.xkey); 728 break; 729 case SelectionNotify: 730 if (ev.xselection.property == utf8) 731 paste(); 732 break; 733 case VisibilityNotify: 734 if (ev.xvisibility.state != VisibilityUnobscured) 735 XRaiseWindow(dpy, win); 736 break; 737 } 738 } 739 } 740 741 static void 742 setup(void) 743 { 744 int x, y, i, j; 745 unsigned int du; 746 XSetWindowAttributes swa; 747 XIM xim; 748 Window w, dw, *dws; 749 XWindowAttributes wa; 750 XClassHint ch = {"dmenu", "dmenu"}; 751 #ifdef XINERAMA 752 XineramaScreenInfo *info; 753 Window pw; 754 int a, di, n, area = 0; 755 #endif 756 /* init appearance */ 757 for (j = 0; j < SchemeLast; j++) 758 scheme[j] = drw_scm_create(drw, colors[j], 2); 759 760 clip = XInternAtom(dpy, "CLIPBOARD", False); 761 utf8 = XInternAtom(dpy, "UTF8_STRING", False); 762 763 /* calculate menu geometry */ 764 bh = drw->fonts->h + 2; 765 lines = MAX(lines, 0); 766 mh = (lines + 1) * bh; 767 #ifdef XINERAMA 768 i = 0; 769 if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) { 770 XGetInputFocus(dpy, &w, &di); 771 if (mon >= 0 && mon < n) 772 i = mon; 773 else if (w != root && w != PointerRoot && w != None) { 774 /* find top-level window containing current input focus */ 775 do { 776 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws) 777 XFree(dws); 778 } while (w != root && w != pw); 779 /* find xinerama screen with which the window intersects most */ 780 if (XGetWindowAttributes(dpy, pw, &wa)) 781 for (j = 0; j < n; j++) 782 if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) { 783 area = a; 784 i = j; 785 } 786 } 787 /* no focused window is on screen, so use pointer location instead */ 788 if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du)) 789 for (i = 0; i < n; i++) 790 if (INTERSECT(x, y, 1, 1, info[i]) != 0) 791 break; 792 793 x = info[i].x_org; 794 y = info[i].y_org + (topbar ? 0 : info[i].height - mh); 795 mw = info[i].width; 796 XFree(info); 797 } else 798 #endif 799 { 800 if (!XGetWindowAttributes(dpy, parentwin, &wa)) 801 die("could not get embedding window attributes: 0x%lx", 802 parentwin); 803 x = 0; 804 y = topbar ? 0 : wa.height - mh; 805 mw = wa.width; 806 } 807 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0; 808 inputw = mw / 3; /* input width: ~33% of monitor width */ 809 match(); 810 811 /* create menu window */ 812 swa.override_redirect = True; 813 swa.background_pixel = scheme[SchemeNorm][ColBg].pixel; 814 swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask; 815 win = XCreateWindow(dpy, root, x, y, mw, mh, 0, 816 CopyFromParent, CopyFromParent, CopyFromParent, 817 CWOverrideRedirect | CWBackPixel | CWEventMask, &swa); 818 XSetClassHint(dpy, win, &ch); 819 820 /* input methods */ 821 if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL) 822 die("XOpenIM failed: could not open input device"); 823 824 xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, 825 XNClientWindow, win, XNFocusWindow, win, NULL); 826 827 XMapRaised(dpy, win); 828 if (embed) { 829 XReparentWindow(dpy, win, parentwin, x, y); 830 XSelectInput(dpy, parentwin, FocusChangeMask | SubstructureNotifyMask); 831 if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) { 832 for (i = 0; i < du && dws[i] != win; ++i) 833 XSelectInput(dpy, dws[i], FocusChangeMask); 834 XFree(dws); 835 } 836 grabfocus(); 837 } 838 drw_resize(drw, mw, mh); 839 drawmenu(); 840 } 841 842 static void 843 usage(void) 844 { 845 die("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n" 846 " [-nb color] [-nf color] [-sb color] [-sf color]\n" 847 " [-nhb color] [-nhf color] [-shb color] [-shf color] [-w windowid]"); 848 } 849 850 int 851 main(int argc, char *argv[]) 852 { 853 XWindowAttributes wa; 854 int i, fast = 0; 855 856 for (i = 1; i < argc; i++) 857 /* these options take no arguments */ 858 if (!strcmp(argv[i], "-v")) { /* prints version information */ 859 puts("dmenu-"VERSION); 860 exit(0); 861 } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */ 862 topbar = 0; 863 else if (!strcmp(argv[i], "-F")) /* disables fuzzy matching */ 864 fuzzy = 0; 865 else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */ 866 fast = 1; 867 else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */ 868 fstrncmp = strncasecmp; 869 fstrstr = cistrstr; 870 } else if (i + 1 == argc) 871 usage(); 872 /* these options take one argument */ 873 else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */ 874 lines = atoi(argv[++i]); 875 else if (!strcmp(argv[i], "-m")) 876 mon = atoi(argv[++i]); 877 else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */ 878 prompt = argv[++i]; 879 else if (!strcmp(argv[i], "-fn")) /* font or font set */ 880 fonts[0] = argv[++i]; 881 else if (!strcmp(argv[i], "-nb")) /* normal background color */ 882 colors[SchemeNorm][ColBg] = argv[++i]; 883 else if (!strcmp(argv[i], "-nf")) /* normal foreground color */ 884 colors[SchemeNorm][ColFg] = argv[++i]; 885 else if (!strcmp(argv[i], "-sb")) /* selected background color */ 886 colors[SchemeSel][ColBg] = argv[++i]; 887 else if (!strcmp(argv[i], "-sf")) /* selected foreground color */ 888 colors[SchemeSel][ColFg] = argv[++i]; 889 else if (!strcmp(argv[i], "-nhb")) /* normal hi background color */ 890 colors[SchemeNormHighlight][ColBg] = argv[++i]; 891 else if (!strcmp(argv[i], "-nhf")) /* normal hi foreground color */ 892 colors[SchemeNormHighlight][ColFg] = argv[++i]; 893 else if (!strcmp(argv[i], "-shb")) /* selected hi background color */ 894 colors[SchemeSelHighlight][ColBg] = argv[++i]; 895 else if (!strcmp(argv[i], "-shf")) /* selected hi foreground color */ 896 colors[SchemeSelHighlight][ColFg] = argv[++i]; 897 else if (!strcmp(argv[i], "-w")) /* embedding window id */ 898 embed = argv[++i]; 899 else 900 usage(); 901 902 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale()) 903 fputs("warning: no locale support\n", stderr); 904 if (!(dpy = XOpenDisplay(NULL))) 905 die("cannot open display"); 906 screen = DefaultScreen(dpy); 907 root = RootWindow(dpy, screen); 908 if (!embed || !(parentwin = strtol(embed, NULL, 0))) 909 parentwin = root; 910 if (!XGetWindowAttributes(dpy, parentwin, &wa)) 911 die("could not get embedding window attributes: 0x%lx", 912 parentwin); 913 drw = drw_create(dpy, screen, root, wa.width, wa.height); 914 if (!drw_fontset_create(drw, fonts, LENGTH(fonts))) 915 die("no fonts could be loaded."); 916 lrpad = drw->fonts->h; 917 918 #ifdef __OpenBSD__ 919 if (pledge("stdio rpath", NULL) == -1) 920 die("pledge"); 921 #endif 922 923 if (fast && !isatty(0)) { 924 grabkeyboard(); 925 readstdin(); 926 } else { 927 readstdin(); 928 grabkeyboard(); 929 } 930 setup(); 931 run(); 932 933 return 1; /* unreachable */ 934 }