dmenu.c (23053B)
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 char * cistrstr(const char *s, const char *sub); 62 static int (*fstrncmp)(const char *, const char *, size_t) = strncasecmp; 63 static char *(*fstrstr)(const char *, const char *) = cistrstr; 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 void 138 drawhighlights(struct item *item, int x, int y, int maxw) 139 { 140 int i, indent; 141 char c, *highlight; 142 143 if (!(strlen(item->text) && strlen(text))) 144 return; 145 146 drw_setscheme(drw, scheme[item == sel 147 ? SchemeSelHighlight 148 : SchemeNormHighlight]); 149 for (i = 0, highlight = item->text; *highlight && text[i];) { 150 if (!fstrncmp(highlight, &text[i], 1)) { 151 /* get indentation */ 152 c = *highlight; 153 *highlight = '\0'; 154 indent = TEXTW(item->text); 155 *highlight = c; 156 157 /* highlight character */ 158 c = highlight[1]; 159 highlight[1] = '\0'; 160 drw_text( 161 drw, 162 x + indent - (lrpad / 2.), 163 y, 164 MIN(maxw - indent, TEXTW(highlight) - lrpad), 165 bh, 0, highlight, 0 166 ); 167 highlight[1] = c; 168 ++i; 169 } 170 ++highlight; 171 } 172 } 173 174 static int 175 drawitem(struct item *item, int x, int y, int w) 176 { 177 int r; 178 if (item == sel) 179 drw_setscheme(drw, scheme[SchemeSel]); 180 else if (item->out) 181 drw_setscheme(drw, scheme[SchemeOut]); 182 else 183 drw_setscheme(drw, scheme[SchemeNorm]); 184 185 r = drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0); 186 drawhighlights(item, x, y, w); 187 return r; 188 } 189 190 static void 191 drawmenu(void) 192 { 193 unsigned int curpos; 194 struct item *item; 195 int x = 0, y = 0, w; 196 197 drw_setscheme(drw, scheme[SchemeNorm]); 198 drw_rect(drw, 0, 0, mw, mh, 1, 1); 199 200 if (prompt && *prompt) { 201 drw_setscheme(drw, scheme[SchemeSel]); 202 x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0); 203 } 204 /* draw input field */ 205 w = (lines > 0 || !matches) ? mw - x : inputw; 206 drw_setscheme(drw, scheme[SchemeNorm]); 207 drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0); 208 209 curpos = TEXTW(text) - TEXTW(&text[cursor]); 210 if ((curpos += lrpad / 2 - 1) < w) { 211 drw_setscheme(drw, scheme[SchemeNorm]); 212 drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0); 213 } 214 215 if (lines > 0) { 216 /* draw vertical list */ 217 for (item = curr; item != next; item = item->right) 218 drawitem(item, x, y += bh, mw - x); 219 } else if (matches) { 220 /* draw horizontal list */ 221 x += inputw; 222 w = TEXTW("<"); 223 if (curr->left) { 224 drw_setscheme(drw, scheme[SchemeNorm]); 225 drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0); 226 } 227 x += w; 228 for (item = curr; item != next; item = item->right) 229 x = drawitem(item, x, 0, textw_clamp(item->text, mw - x - TEXTW(">"))); 230 if (next) { 231 w = TEXTW(">"); 232 drw_setscheme(drw, scheme[SchemeNorm]); 233 drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0); 234 } 235 } 236 drw_map(drw, win, 0, 0, mw, mh); 237 } 238 239 static void 240 grabfocus(void) 241 { 242 struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 }; 243 Window focuswin; 244 int i, revertwin; 245 246 for (i = 0; i < 100; ++i) { 247 XGetInputFocus(dpy, &focuswin, &revertwin); 248 if (focuswin == win) 249 return; 250 XSetInputFocus(dpy, win, RevertToParent, CurrentTime); 251 nanosleep(&ts, NULL); 252 } 253 die("cannot grab focus"); 254 } 255 256 static void 257 grabkeyboard(void) 258 { 259 struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; 260 int i; 261 262 if (embed) 263 return; 264 /* try to grab keyboard, we may have to wait for another process to ungrab */ 265 for (i = 0; i < 1000; i++) { 266 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync, 267 GrabModeAsync, CurrentTime) == GrabSuccess) 268 return; 269 nanosleep(&ts, NULL); 270 } 271 die("cannot grab keyboard"); 272 } 273 274 int 275 compare_distance(const void *a, const void *b) 276 { 277 struct item *da = *(struct item **) a; 278 struct item *db = *(struct item **) b; 279 280 if (!db) 281 return 1; 282 if (!da) 283 return -1; 284 285 return da->distance == db->distance ? 0 : da->distance < db->distance ? -1 : 1; 286 } 287 288 void 289 fuzzymatch(void) 290 { 291 /* bang - we have so much memory */ 292 struct item *it; 293 struct item **fuzzymatches = NULL; 294 char c; 295 int number_of_matches = 0, i, pidx, sidx, eidx; 296 int text_len = strlen(text), itext_len; 297 298 matches = matchend = NULL; 299 300 /* walk through all items */ 301 for (it = items; it && it->text; ++it) { 302 if (text_len) { 303 itext_len = strlen(it->text); 304 pidx = 0; /* pointer */ 305 sidx = eidx = -1; /* start of match, end of match */ 306 /* walk through item text */ 307 for (i = 0; i < itext_len && (c = it->text[i]); ++i) { 308 /* fuzzy match pattern */ 309 if (!fstrncmp(&text[pidx], &c, 1)) { 310 if(sidx == -1) 311 sidx = i; 312 ++pidx; 313 if (pidx == text_len) { 314 eidx = i; 315 break; 316 } 317 } 318 } 319 /* build list of matches */ 320 if (eidx != -1) { 321 /* compute distance */ 322 /* add penalty if match starts late (log(sidx+2)) 323 * add penalty for long a match without many matching characters */ 324 it->distance = log(sidx + 2) + (double)(eidx - sidx - text_len); 325 /* fprintf(stderr, "distance %s %f\n", it->text, it->distance); */ 326 appenditem(it, &matches, &matchend); 327 ++number_of_matches; 328 } 329 } else { 330 appenditem(it, &matches, &matchend); 331 } 332 } 333 334 if (number_of_matches) { 335 /* initialize array with matches */ 336 if (!(fuzzymatches = realloc(fuzzymatches, 337 number_of_matches * sizeof(struct item *)))) 338 die("cannot realloc %u bytes:", number_of_matches * sizeof(struct item *)); 339 for (i = 0, it = matches; it && i < number_of_matches; ++i, it = it->right) 340 fuzzymatches[i] = it; 341 /* sort matches according to distance */ 342 qsort(fuzzymatches, number_of_matches, sizeof(struct item*), compare_distance); 343 /* rebuild list of matches */ 344 matches = matchend = NULL; 345 for (i = 0, it = fuzzymatches[i]; i < number_of_matches && it && 346 it->text; ++i, it = fuzzymatches[i]) 347 appenditem(it, &matches, &matchend); 348 free(fuzzymatches); 349 } 350 curr = sel = matches; 351 calcoffsets(); 352 } 353 354 static void 355 match(void) 356 { 357 if (fuzzy) { 358 fuzzymatch(); 359 return; 360 } 361 static char **tokv = NULL; 362 static int tokn = 0; 363 364 char buf[sizeof text], *s; 365 int i, tokc = 0; 366 size_t len, textsize; 367 struct item *item, *lprefix, *lsubstr, *prefixend, *substrend; 368 369 strcpy(buf, text); 370 /* separate input text into tokens to be matched individually */ 371 for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " ")) 372 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv))) 373 die("cannot realloc %zu bytes:", tokn * sizeof *tokv); 374 len = tokc ? strlen(tokv[0]) : 0; 375 376 matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL; 377 textsize = strlen(text) + 1; 378 for (item = items; item && item->text; item++) { 379 for (i = 0; i < tokc; i++) 380 if (!fstrstr(item->text, tokv[i])) 381 break; 382 if (i != tokc) /* not all tokens match */ 383 continue; 384 /* exact matches go first, then prefixes, then substrings */ 385 if (!tokc || !fstrncmp(text, item->text, textsize)) 386 appenditem(item, &matches, &matchend); 387 else if (!fstrncmp(tokv[0], item->text, len)) 388 appenditem(item, &lprefix, &prefixend); 389 else 390 appenditem(item, &lsubstr, &substrend); 391 } 392 if (lprefix) { 393 if (matches) { 394 matchend->right = lprefix; 395 lprefix->left = matchend; 396 } else 397 matches = lprefix; 398 matchend = prefixend; 399 } 400 if (lsubstr) { 401 if (matches) { 402 matchend->right = lsubstr; 403 lsubstr->left = matchend; 404 } else 405 matches = lsubstr; 406 matchend = substrend; 407 } 408 curr = sel = matches; 409 calcoffsets(); 410 } 411 412 static void 413 insert(const char *str, ssize_t n) 414 { 415 if (strlen(text) + n > sizeof text - 1) 416 return; 417 /* move existing text out of the way, insert new text, and update cursor */ 418 memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0)); 419 if (n > 0) 420 memcpy(&text[cursor], str, n); 421 cursor += n; 422 match(); 423 } 424 425 static size_t 426 nextrune(int inc) 427 { 428 ssize_t n; 429 430 /* return location of next utf8 rune in the given direction (+1 or -1) */ 431 for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc) 432 ; 433 return n; 434 } 435 436 static void 437 movewordedge(int dir) 438 { 439 if (dir < 0) { /* move cursor to the start of the word*/ 440 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) 441 cursor = nextrune(-1); 442 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) 443 cursor = nextrune(-1); 444 } else { /* move cursor to the end of the word */ 445 while (text[cursor] && strchr(worddelimiters, text[cursor])) 446 cursor = nextrune(+1); 447 while (text[cursor] && !strchr(worddelimiters, text[cursor])) 448 cursor = nextrune(+1); 449 } 450 } 451 452 static void 453 keypress(XKeyEvent *ev) 454 { 455 char buf[64]; 456 int len; 457 KeySym ksym = NoSymbol; 458 Status status; 459 460 len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status); 461 switch (status) { 462 default: /* XLookupNone, XBufferOverflow */ 463 return; 464 case XLookupChars: /* composed string from input method */ 465 goto insert; 466 case XLookupKeySym: 467 case XLookupBoth: /* a KeySym and a string are returned: use keysym */ 468 break; 469 } 470 471 if (ev->state & ControlMask) { 472 switch(ksym) { 473 case XK_a: ksym = XK_Home; break; 474 case XK_b: ksym = XK_Left; break; 475 case XK_c: ksym = XK_Escape; break; 476 case XK_d: ksym = XK_Delete; break; 477 case XK_e: ksym = XK_End; break; 478 case XK_f: ksym = XK_Right; break; 479 case XK_g: ksym = XK_Escape; break; 480 case XK_h: ksym = XK_BackSpace; break; 481 case XK_i: ksym = XK_Tab; break; 482 case XK_j: /* fallthrough */ 483 case XK_J: /* fallthrough */ 484 case XK_m: /* fallthrough */ 485 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break; 486 case XK_n: ksym = XK_Down; break; 487 case XK_p: ksym = XK_Up; break; 488 489 case XK_k: /* delete right */ 490 text[cursor] = '\0'; 491 match(); 492 break; 493 case XK_u: /* delete left */ 494 insert(NULL, 0 - cursor); 495 break; 496 case XK_w: /* delete word */ 497 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) 498 insert(NULL, nextrune(-1) - cursor); 499 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) 500 insert(NULL, nextrune(-1) - cursor); 501 break; 502 case XK_y: /* paste selection */ 503 case XK_Y: 504 XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY, 505 utf8, utf8, win, CurrentTime); 506 return; 507 case XK_Left: 508 case XK_KP_Left: 509 movewordedge(-1); 510 goto draw; 511 case XK_Right: 512 case XK_KP_Right: 513 movewordedge(+1); 514 goto draw; 515 case XK_Return: 516 case XK_KP_Enter: 517 break; 518 case XK_bracketleft: 519 cleanup(); 520 exit(1); 521 default: 522 return; 523 } 524 } else if (ev->state & Mod1Mask) { 525 switch(ksym) { 526 case XK_b: 527 movewordedge(-1); 528 goto draw; 529 case XK_f: 530 movewordedge(+1); 531 goto draw; 532 case XK_g: ksym = XK_Home; break; 533 case XK_G: ksym = XK_End; break; 534 case XK_h: ksym = XK_Up; break; 535 case XK_j: ksym = XK_Next; break; 536 case XK_k: ksym = XK_Prior; break; 537 case XK_l: ksym = XK_Down; break; 538 default: 539 return; 540 } 541 } 542 543 switch(ksym) { 544 default: 545 insert: 546 if (!iscntrl((unsigned char)*buf)) 547 insert(buf, len); 548 break; 549 case XK_Delete: 550 case XK_KP_Delete: 551 if (text[cursor] == '\0') 552 return; 553 cursor = nextrune(+1); 554 /* fallthrough */ 555 case XK_BackSpace: 556 if (cursor == 0) 557 return; 558 insert(NULL, nextrune(-1) - cursor); 559 break; 560 case XK_End: 561 case XK_KP_End: 562 if (text[cursor] != '\0') { 563 cursor = strlen(text); 564 break; 565 } 566 if (next) { 567 /* jump to end of list and position items in reverse */ 568 curr = matchend; 569 calcoffsets(); 570 curr = prev; 571 calcoffsets(); 572 while (next && (curr = curr->right)) 573 calcoffsets(); 574 } 575 sel = matchend; 576 break; 577 case XK_Escape: 578 cleanup(); 579 exit(1); 580 case XK_Home: 581 case XK_KP_Home: 582 if (sel == matches) { 583 cursor = 0; 584 break; 585 } 586 sel = curr = matches; 587 calcoffsets(); 588 break; 589 case XK_Left: 590 case XK_KP_Left: 591 if (cursor > 0 && (!sel || !sel->left || lines > 0)) { 592 cursor = nextrune(-1); 593 break; 594 } 595 if (lines > 0) 596 return; 597 /* fallthrough */ 598 case XK_Up: 599 case XK_KP_Up: 600 if (sel && sel->left && (sel = sel->left)->right == curr) { 601 curr = prev; 602 calcoffsets(); 603 } 604 break; 605 case XK_Next: 606 case XK_KP_Next: 607 if (!next) 608 return; 609 sel = curr = next; 610 calcoffsets(); 611 break; 612 case XK_Prior: 613 case XK_KP_Prior: 614 if (!prev) 615 return; 616 sel = curr = prev; 617 calcoffsets(); 618 break; 619 case XK_Return: 620 case XK_KP_Enter: 621 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text); 622 if (!(ev->state & ControlMask)) { 623 cleanup(); 624 exit(0); 625 } 626 if (sel) 627 sel->out = 1; 628 break; 629 case XK_Right: 630 case XK_KP_Right: 631 if (text[cursor] != '\0') { 632 cursor = nextrune(+1); 633 break; 634 } 635 if (lines > 0) 636 return; 637 /* fallthrough */ 638 case XK_Down: 639 case XK_KP_Down: 640 if (sel && sel->right && (sel = sel->right) == next) { 641 curr = next; 642 calcoffsets(); 643 } 644 break; 645 case XK_Tab: 646 if (!sel) 647 return; 648 cursor = strnlen(sel->text, sizeof text - 1); 649 memcpy(text, sel->text, cursor); 650 text[cursor] = '\0'; 651 match(); 652 break; 653 } 654 655 draw: 656 drawmenu(); 657 } 658 659 static void 660 paste(void) 661 { 662 char *p, *q; 663 int di; 664 unsigned long dl; 665 Atom da; 666 667 /* we have been given the current selection, now insert it into input */ 668 if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False, 669 utf8, &da, &di, &dl, &dl, (unsigned char **)&p) 670 == Success && p) { 671 insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p)); 672 XFree(p); 673 } 674 drawmenu(); 675 } 676 677 static void 678 readstdin(void) 679 { 680 char *line = NULL; 681 size_t i, itemsiz = 0, linesiz = 0; 682 ssize_t len; 683 684 /* read each line from stdin and add it to the item list */ 685 for (i = 0; (len = getline(&line, &linesiz, stdin)) != -1; i++) { 686 if (i + 1 >= itemsiz) { 687 itemsiz += 256; 688 if (!(items = realloc(items, itemsiz * sizeof(*items)))) 689 die("cannot realloc %zu bytes:", itemsiz * sizeof(*items)); 690 } 691 if (line[len - 1] == '\n') 692 line[len - 1] = '\0'; 693 if (!(items[i].text = strdup(line))) 694 die("strdup:"); 695 696 items[i].out = 0; 697 } 698 free(line); 699 if (items) 700 items[i].text = NULL; 701 lines = MIN(lines, i); 702 } 703 704 static void 705 run(void) 706 { 707 XEvent ev; 708 709 while (!XNextEvent(dpy, &ev)) { 710 if (XFilterEvent(&ev, win)) 711 continue; 712 switch(ev.type) { 713 case DestroyNotify: 714 if (ev.xdestroywindow.window != win) 715 break; 716 cleanup(); 717 exit(1); 718 case Expose: 719 if (ev.xexpose.count == 0) 720 drw_map(drw, win, 0, 0, mw, mh); 721 break; 722 case FocusIn: 723 /* regrab focus from parent window */ 724 if (ev.xfocus.window != win) 725 grabfocus(); 726 break; 727 case KeyPress: 728 keypress(&ev.xkey); 729 break; 730 case SelectionNotify: 731 if (ev.xselection.property == utf8) 732 paste(); 733 break; 734 case VisibilityNotify: 735 if (ev.xvisibility.state != VisibilityUnobscured) 736 XRaiseWindow(dpy, win); 737 break; 738 } 739 } 740 } 741 742 static void 743 setup(void) 744 { 745 int x, y, i, j; 746 unsigned int du; 747 XSetWindowAttributes swa; 748 XIM xim; 749 Window w, dw, *dws; 750 XWindowAttributes wa; 751 XClassHint ch = {"dmenu", "dmenu"}; 752 #ifdef XINERAMA 753 XineramaScreenInfo *info; 754 Window pw; 755 int a, di, n, area = 0; 756 #endif 757 /* init appearance */ 758 for (j = 0; j < SchemeLast; j++) 759 scheme[j] = drw_scm_create(drw, colors[j], 2); 760 761 clip = XInternAtom(dpy, "CLIPBOARD", False); 762 utf8 = XInternAtom(dpy, "UTF8_STRING", False); 763 764 /* calculate menu geometry */ 765 bh = drw->fonts->h + 2; 766 lines = MAX(lines, 0); 767 mh = (lines + 1) * bh; 768 #ifdef XINERAMA 769 i = 0; 770 if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) { 771 XGetInputFocus(dpy, &w, &di); 772 if (mon >= 0 && mon < n) 773 i = mon; 774 else if (w != root && w != PointerRoot && w != None) { 775 /* find top-level window containing current input focus */ 776 do { 777 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws) 778 XFree(dws); 779 } while (w != root && w != pw); 780 /* find xinerama screen with which the window intersects most */ 781 if (XGetWindowAttributes(dpy, pw, &wa)) 782 for (j = 0; j < n; j++) 783 if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) { 784 area = a; 785 i = j; 786 } 787 } 788 /* no focused window is on screen, so use pointer location instead */ 789 if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du)) 790 for (i = 0; i < n; i++) 791 if (INTERSECT(x, y, 1, 1, info[i]) != 0) 792 break; 793 794 x = info[i].x_org; 795 y = info[i].y_org + (topbar ? 0 : info[i].height - mh); 796 mw = info[i].width; 797 XFree(info); 798 } else 799 #endif 800 { 801 if (!XGetWindowAttributes(dpy, parentwin, &wa)) 802 die("could not get embedding window attributes: 0x%lx", 803 parentwin); 804 x = 0; 805 y = topbar ? 0 : wa.height - mh; 806 mw = wa.width; 807 } 808 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0; 809 inputw = mw / 3; /* input width: ~33% of monitor width */ 810 match(); 811 812 /* create menu window */ 813 swa.override_redirect = True; 814 swa.background_pixel = scheme[SchemeNorm][ColBg].pixel; 815 swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask; 816 win = XCreateWindow(dpy, root, x, y, mw, mh, 0, 817 CopyFromParent, CopyFromParent, CopyFromParent, 818 CWOverrideRedirect | CWBackPixel | CWEventMask, &swa); 819 XSetClassHint(dpy, win, &ch); 820 821 /* input methods */ 822 if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL) 823 die("XOpenIM failed: could not open input device"); 824 825 xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, 826 XNClientWindow, win, XNFocusWindow, win, NULL); 827 828 XMapRaised(dpy, win); 829 if (embed) { 830 XReparentWindow(dpy, win, parentwin, x, y); 831 XSelectInput(dpy, parentwin, FocusChangeMask | SubstructureNotifyMask); 832 if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) { 833 for (i = 0; i < du && dws[i] != win; ++i) 834 XSelectInput(dpy, dws[i], FocusChangeMask); 835 XFree(dws); 836 } 837 grabfocus(); 838 } 839 drw_resize(drw, mw, mh); 840 drawmenu(); 841 } 842 843 static void 844 usage(void) 845 { 846 die("usage: dmenu [-bFfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n" 847 " [-nb color] [-nf color] [-sb color] [-sf 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], "-s")) { /* case-sensitive item matching */ 868 fstrncmp = strncmp; 869 fstrstr = strstr; 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], "-ob")) /* outline background color */ 890 colors[SchemeOut][ColBg] = argv[++i]; 891 else if (!strcmp(argv[i], "-of")) /* outline foreground color */ 892 colors[SchemeOut][ColFg] = argv[++i]; 893 else if (!strcmp(argv[i], "-w")) /* embedding window id */ 894 embed = argv[++i]; 895 else 896 usage(); 897 898 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale()) 899 fputs("warning: no locale support\n", stderr); 900 if (!(dpy = XOpenDisplay(NULL))) 901 die("cannot open display"); 902 screen = DefaultScreen(dpy); 903 root = RootWindow(dpy, screen); 904 if (!embed || !(parentwin = strtol(embed, NULL, 0))) 905 parentwin = root; 906 if (!XGetWindowAttributes(dpy, parentwin, &wa)) 907 die("could not get embedding window attributes: 0x%lx", 908 parentwin); 909 drw = drw_create(dpy, screen, root, wa.width, wa.height); 910 if (!drw_fontset_create(drw, fonts, LENGTH(fonts))) 911 die("no fonts could be loaded."); 912 lrpad = drw->fonts->h; 913 914 #ifdef __OpenBSD__ 915 if (pledge("stdio rpath", NULL) == -1) 916 die("pledge"); 917 #endif 918 919 if (fast && !isatty(0)) { 920 grabkeyboard(); 921 readstdin(); 922 } else { 923 readstdin(); 924 grabkeyboard(); 925 } 926 setup(); 927 run(); 928 929 return 1; /* unreachable */ 930 }