dmenu.c (24603B)
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 #include <X11/Xresource.h> 20 21 #include "drw.h" 22 #include "util.h" 23 24 /* macros */ 25 #define INTERSECT(x,y,w,h,r) (MAX(0, MIN((x)+(w),(r).x_org+(r).width) - MAX((x),(r).x_org)) \ 26 * MAX(0, MIN((y)+(h),(r).y_org+(r).height) - MAX((y),(r).y_org))) 27 #define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad) 28 29 /* enums */ 30 enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */ 31 32 struct item { 33 char *text; 34 unsigned int width; 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 /* Temporary arrays to allow overriding xresources values */ 60 static char *colortemp[4]; 61 static char *tempfonts; 62 63 #include "config.h" 64 65 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp; 66 static char *(*fstrstr)(const char *, const char *) = strstr; 67 68 static unsigned int 69 textw_clamp(const char *str, unsigned int n) 70 { 71 unsigned int w = drw_fontset_getwidth_clamp(drw, str, n) + lrpad; 72 return MIN(w, n); 73 } 74 75 static void 76 appenditem(struct item *item, struct item **list, struct item **last) 77 { 78 if (*last) 79 (*last)->right = item; 80 else 81 *list = item; 82 83 item->left = *last; 84 item->right = NULL; 85 *last = item; 86 } 87 88 static void 89 calcoffsets(void) 90 { 91 int i, n; 92 93 if (lines > 0) 94 n = lines * bh; 95 else 96 n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">")); 97 /* calculate which items will begin the next page and previous page */ 98 for (i = 0, next = curr; next; next = next->right) 99 if ((i += (lines > 0) ? bh : textw_clamp(next->text, n)) > n) 100 break; 101 for (i = 0, prev = curr; prev && prev->left; prev = prev->left) 102 if ((i += (lines > 0) ? bh : textw_clamp(prev->left->text, n)) > n) 103 break; 104 } 105 106 static int 107 max_textw(void) 108 { 109 int len = 0; 110 for (struct item *item = items; item && item->text; item++) 111 len = MAX(item->width, len); 112 return len; 113 } 114 115 static void 116 cleanup(void) 117 { 118 size_t i; 119 120 XUngrabKeyboard(dpy, CurrentTime); 121 for (i = 0; i < SchemeLast; i++) 122 drw_scm_free(drw, scheme[i], 2); 123 for (i = 0; items && items[i].text; ++i) 124 free(items[i].text); 125 free(items); 126 drw_free(drw); 127 XSync(dpy, False); 128 XCloseDisplay(dpy); 129 } 130 131 static char * 132 cistrstr(const char *h, const char *n) 133 { 134 size_t i; 135 136 if (!n[0]) 137 return (char *)h; 138 139 for (; *h; ++h) { 140 for (i = 0; n[i] && tolower((unsigned char)n[i]) == 141 tolower((unsigned char)h[i]); ++i) 142 ; 143 if (n[i] == '\0') 144 return (char *)h; 145 } 146 return NULL; 147 } 148 149 static int 150 drawitem(struct item *item, int x, int y, int w) 151 { 152 if (item == sel) 153 drw_setscheme(drw, scheme[SchemeSel]); 154 else if (item->out) 155 drw_setscheme(drw, scheme[SchemeOut]); 156 else 157 drw_setscheme(drw, scheme[SchemeNorm]); 158 159 return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0); 160 } 161 162 static void 163 drawmenu(void) 164 { 165 unsigned int curpos; 166 struct item *item; 167 int x = 0, y = 0, w; 168 169 drw_setscheme(drw, scheme[SchemeNorm]); 170 drw_rect(drw, 0, 0, mw, mh, 1, 1); 171 172 if (prompt && *prompt) { 173 drw_setscheme(drw, scheme[SchemeSel]); 174 x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0); 175 } 176 /* draw input field */ 177 w = (lines > 0 || !matches) ? mw - x : inputw; 178 drw_setscheme(drw, scheme[SchemeNorm]); 179 drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0); 180 181 curpos = TEXTW(text) - TEXTW(&text[cursor]); 182 if ((curpos += lrpad / 2 - 1) < w) { 183 drw_setscheme(drw, scheme[SchemeNorm]); 184 drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0); 185 } 186 187 if (lines > 0) { 188 /* draw vertical list */ 189 for (item = curr; item != next; item = item->right) 190 drawitem(item, x, y += bh, mw - x); 191 } else if (matches) { 192 /* draw horizontal list */ 193 x += inputw; 194 w = TEXTW("<"); 195 if (curr->left) { 196 drw_setscheme(drw, scheme[SchemeNorm]); 197 drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0); 198 } 199 x += w; 200 for (item = curr; item != next; item = item->right) 201 x = drawitem(item, x, 0, textw_clamp(item->text, mw - x - TEXTW(">"))); 202 if (next) { 203 w = TEXTW(">"); 204 drw_setscheme(drw, scheme[SchemeNorm]); 205 drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0); 206 } 207 } 208 drw_map(drw, win, 0, 0, mw, mh); 209 } 210 211 static void 212 grabfocus(void) 213 { 214 struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 }; 215 Window focuswin; 216 int i, revertwin; 217 218 for (i = 0; i < 100; ++i) { 219 XGetInputFocus(dpy, &focuswin, &revertwin); 220 if (focuswin == win) 221 return; 222 XSetInputFocus(dpy, win, RevertToParent, CurrentTime); 223 nanosleep(&ts, NULL); 224 } 225 die("cannot grab focus"); 226 } 227 228 static void 229 grabkeyboard(void) 230 { 231 struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; 232 int i; 233 234 if (embed) 235 return; 236 /* try to grab keyboard, we may have to wait for another process to ungrab */ 237 for (i = 0; i < 1000; i++) { 238 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync, 239 GrabModeAsync, CurrentTime) == GrabSuccess) 240 return; 241 nanosleep(&ts, NULL); 242 } 243 die("cannot grab keyboard"); 244 } 245 246 int 247 compare_distance(const void *a, const void *b) 248 { 249 struct item *da = *(struct item **) a; 250 struct item *db = *(struct item **) b; 251 252 if (!db) 253 return 1; 254 if (!da) 255 return -1; 256 257 return da->distance == db->distance ? 0 : da->distance < db->distance ? -1 : 1; 258 } 259 260 void 261 fuzzymatch(void) 262 { 263 /* bang - we have so much memory */ 264 struct item *it; 265 struct item **fuzzymatches = NULL; 266 char c; 267 int number_of_matches = 0, i, pidx, sidx, eidx; 268 int text_len = strlen(text), itext_len; 269 270 matches = matchend = NULL; 271 272 /* walk through all items */ 273 for (it = items; it && it->text; ++it) { 274 if (text_len) { 275 itext_len = strlen(it->text); 276 pidx = 0; /* pointer */ 277 sidx = eidx = -1; /* start of match, end of match */ 278 /* walk through item text */ 279 for (i = 0; i < itext_len && (c = it->text[i]); ++i) { 280 /* fuzzy match pattern */ 281 if (!fstrncmp(&text[pidx], &c, 1)) { 282 if(sidx == -1) 283 sidx = i; 284 ++pidx; 285 if (pidx == text_len) { 286 eidx = i; 287 break; 288 } 289 } 290 } 291 /* build list of matches */ 292 if (eidx != -1) { 293 /* compute distance */ 294 /* add penalty if match starts late (log(sidx+2)) 295 * add penalty for long a match without many matching characters */ 296 it->distance = log(sidx + 2) + (double)(eidx - sidx - text_len); 297 /* fprintf(stderr, "distance %s %f\n", it->text, it->distance); */ 298 appenditem(it, &matches, &matchend); 299 ++number_of_matches; 300 } 301 } else { 302 appenditem(it, &matches, &matchend); 303 } 304 } 305 306 if (number_of_matches) { 307 /* initialize array with matches */ 308 if (!(fuzzymatches = realloc(fuzzymatches, 309 number_of_matches * sizeof(struct item *)))) 310 die("cannot realloc %u bytes:", number_of_matches * sizeof(struct item *)); 311 for (i = 0, it = matches; it && i < number_of_matches; ++i, it = it->right) 312 fuzzymatches[i] = it; 313 /* sort matches according to distance */ 314 qsort(fuzzymatches, number_of_matches, sizeof(struct item*), compare_distance); 315 /* rebuild list of matches */ 316 matches = matchend = NULL; 317 for (i = 0, it = fuzzymatches[i]; i < number_of_matches && it && 318 it->text; ++i, it = fuzzymatches[i]) 319 appenditem(it, &matches, &matchend); 320 free(fuzzymatches); 321 } 322 curr = sel = matches; 323 calcoffsets(); 324 } 325 326 static void 327 match(void) 328 { 329 if (fuzzy) { 330 fuzzymatch(); 331 return; 332 } 333 static char **tokv = NULL; 334 static int tokn = 0; 335 336 char buf[sizeof text], *s; 337 int i, tokc = 0; 338 size_t len, textsize; 339 struct item *item, *lprefix, *lsubstr, *prefixend, *substrend; 340 341 strcpy(buf, text); 342 /* separate input text into tokens to be matched individually */ 343 for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " ")) 344 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv))) 345 die("cannot realloc %zu bytes:", tokn * sizeof *tokv); 346 len = tokc ? strlen(tokv[0]) : 0; 347 348 matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL; 349 textsize = strlen(text) + 1; 350 for (item = items; item && item->text; item++) { 351 for (i = 0; i < tokc; i++) 352 if (!fstrstr(item->text, tokv[i])) 353 break; 354 if (i != tokc) /* not all tokens match */ 355 continue; 356 /* exact matches go first, then prefixes, then substrings */ 357 if (!tokc || !fstrncmp(text, item->text, textsize)) 358 appenditem(item, &matches, &matchend); 359 else if (!fstrncmp(tokv[0], item->text, len)) 360 appenditem(item, &lprefix, &prefixend); 361 else 362 appenditem(item, &lsubstr, &substrend); 363 } 364 if (lprefix) { 365 if (matches) { 366 matchend->right = lprefix; 367 lprefix->left = matchend; 368 } else 369 matches = lprefix; 370 matchend = prefixend; 371 } 372 if (lsubstr) { 373 if (matches) { 374 matchend->right = lsubstr; 375 lsubstr->left = matchend; 376 } else 377 matches = lsubstr; 378 matchend = substrend; 379 } 380 curr = sel = matches; 381 calcoffsets(); 382 } 383 384 static void 385 insert(const char *str, ssize_t n) 386 { 387 if (strlen(text) + n > sizeof text - 1) 388 return; 389 /* move existing text out of the way, insert new text, and update cursor */ 390 memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0)); 391 if (n > 0) 392 memcpy(&text[cursor], str, n); 393 cursor += n; 394 match(); 395 } 396 397 static size_t 398 nextrune(int inc) 399 { 400 ssize_t n; 401 402 /* return location of next utf8 rune in the given direction (+1 or -1) */ 403 for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc) 404 ; 405 return n; 406 } 407 408 static void 409 movewordedge(int dir) 410 { 411 if (dir < 0) { /* move cursor to the start of the word*/ 412 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) 413 cursor = nextrune(-1); 414 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) 415 cursor = nextrune(-1); 416 } else { /* move cursor to the end of the word */ 417 while (text[cursor] && strchr(worddelimiters, text[cursor])) 418 cursor = nextrune(+1); 419 while (text[cursor] && !strchr(worddelimiters, text[cursor])) 420 cursor = nextrune(+1); 421 } 422 } 423 424 static void 425 keypress(XKeyEvent *ev) 426 { 427 char buf[64]; 428 int len; 429 KeySym ksym = NoSymbol; 430 Status status; 431 432 len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status); 433 switch (status) { 434 default: /* XLookupNone, XBufferOverflow */ 435 return; 436 case XLookupChars: /* composed string from input method */ 437 goto insert; 438 case XLookupKeySym: 439 case XLookupBoth: /* a KeySym and a string are returned: use keysym */ 440 break; 441 } 442 443 if (ev->state & ControlMask) { 444 switch(ksym) { 445 case XK_a: ksym = XK_Home; break; 446 case XK_b: ksym = XK_Left; break; 447 case XK_c: ksym = XK_Escape; break; 448 case XK_d: ksym = XK_Delete; break; 449 case XK_e: ksym = XK_End; break; 450 case XK_f: ksym = XK_Right; break; 451 case XK_g: ksym = XK_Escape; break; 452 case XK_h: ksym = XK_BackSpace; break; 453 case XK_i: ksym = XK_Tab; break; 454 case XK_j: /* fallthrough */ 455 case XK_J: /* fallthrough */ 456 case XK_m: /* fallthrough */ 457 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break; 458 case XK_n: ksym = XK_Down; break; 459 case XK_p: ksym = XK_Up; break; 460 461 case XK_k: /* delete right */ 462 text[cursor] = '\0'; 463 match(); 464 break; 465 case XK_u: /* delete left */ 466 insert(NULL, 0 - cursor); 467 break; 468 case XK_w: /* delete word */ 469 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) 470 insert(NULL, nextrune(-1) - cursor); 471 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) 472 insert(NULL, nextrune(-1) - cursor); 473 break; 474 case XK_y: /* paste selection */ 475 case XK_Y: 476 XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY, 477 utf8, utf8, win, CurrentTime); 478 return; 479 case XK_Left: 480 case XK_KP_Left: 481 movewordedge(-1); 482 goto draw; 483 case XK_Right: 484 case XK_KP_Right: 485 movewordedge(+1); 486 goto draw; 487 case XK_Return: 488 case XK_KP_Enter: 489 break; 490 case XK_bracketleft: 491 cleanup(); 492 exit(1); 493 default: 494 return; 495 } 496 } else if (ev->state & Mod1Mask) { 497 switch(ksym) { 498 case XK_b: 499 movewordedge(-1); 500 goto draw; 501 case XK_f: 502 movewordedge(+1); 503 goto draw; 504 case XK_g: ksym = XK_Home; break; 505 case XK_G: ksym = XK_End; break; 506 case XK_h: ksym = XK_Up; break; 507 case XK_j: ksym = XK_Next; break; 508 case XK_k: ksym = XK_Prior; break; 509 case XK_l: ksym = XK_Down; break; 510 default: 511 return; 512 } 513 } 514 515 switch(ksym) { 516 default: 517 insert: 518 if (!iscntrl((unsigned char)*buf)) 519 insert(buf, len); 520 break; 521 case XK_Delete: 522 case XK_KP_Delete: 523 if (text[cursor] == '\0') 524 return; 525 cursor = nextrune(+1); 526 /* fallthrough */ 527 case XK_BackSpace: 528 if (cursor == 0) 529 return; 530 insert(NULL, nextrune(-1) - cursor); 531 break; 532 case XK_End: 533 case XK_KP_End: 534 if (text[cursor] != '\0') { 535 cursor = strlen(text); 536 break; 537 } 538 if (next) { 539 /* jump to end of list and position items in reverse */ 540 curr = matchend; 541 calcoffsets(); 542 curr = prev; 543 calcoffsets(); 544 while (next && (curr = curr->right)) 545 calcoffsets(); 546 } 547 sel = matchend; 548 break; 549 case XK_Escape: 550 cleanup(); 551 exit(1); 552 case XK_Home: 553 case XK_KP_Home: 554 if (sel == matches) { 555 cursor = 0; 556 break; 557 } 558 sel = curr = matches; 559 calcoffsets(); 560 break; 561 case XK_Left: 562 case XK_KP_Left: 563 if (cursor > 0 && (!sel || !sel->left || lines > 0)) { 564 cursor = nextrune(-1); 565 break; 566 } 567 if (lines > 0) 568 return; 569 /* fallthrough */ 570 case XK_Up: 571 case XK_KP_Up: 572 if (sel && sel->left && (sel = sel->left)->right == curr) { 573 curr = prev; 574 calcoffsets(); 575 } 576 break; 577 case XK_Next: 578 case XK_KP_Next: 579 if (!next) 580 return; 581 sel = curr = next; 582 calcoffsets(); 583 break; 584 case XK_Prior: 585 case XK_KP_Prior: 586 if (!prev) 587 return; 588 sel = curr = prev; 589 calcoffsets(); 590 break; 591 case XK_Return: 592 case XK_KP_Enter: 593 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text); 594 if (!(ev->state & ControlMask)) { 595 cleanup(); 596 exit(0); 597 } 598 if (sel) 599 sel->out = 1; 600 break; 601 case XK_Right: 602 case XK_KP_Right: 603 if (text[cursor] != '\0') { 604 cursor = nextrune(+1); 605 break; 606 } 607 if (lines > 0) 608 return; 609 /* fallthrough */ 610 case XK_Down: 611 case XK_KP_Down: 612 if (sel && sel->right && (sel = sel->right) == next) { 613 curr = next; 614 calcoffsets(); 615 } 616 break; 617 case XK_Tab: 618 if (!sel) 619 return; 620 cursor = strnlen(sel->text, sizeof text - 1); 621 memcpy(text, sel->text, cursor); 622 text[cursor] = '\0'; 623 match(); 624 break; 625 } 626 627 draw: 628 drawmenu(); 629 } 630 631 static void 632 paste(void) 633 { 634 char *p, *q; 635 int di; 636 unsigned long dl; 637 Atom da; 638 639 /* we have been given the current selection, now insert it into input */ 640 if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False, 641 utf8, &da, &di, &dl, &dl, (unsigned char **)&p) 642 == Success && p) { 643 insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p)); 644 XFree(p); 645 } 646 drawmenu(); 647 } 648 649 static void 650 readstdin(void) 651 { 652 char *line = NULL; 653 size_t i, itemsiz = 0, linesiz = 0; 654 ssize_t len; 655 656 /* read each line from stdin and add it to the item list */ 657 for (i = 0; (len = getline(&line, &linesiz, stdin)) != -1; i++) { 658 if (i + 1 >= itemsiz) { 659 itemsiz += 256; 660 if (!(items = realloc(items, itemsiz * sizeof(*items)))) 661 die("cannot realloc %zu bytes:", itemsiz * sizeof(*items)); 662 } 663 if (line[len - 1] == '\n') 664 line[len - 1] = '\0'; 665 if (!(items[i].text = strdup(line))) 666 die("strdup:"); 667 items[i].width = TEXTW(line); 668 669 items[i].out = 0; 670 } 671 free(line); 672 if (items) 673 items[i].text = NULL; 674 lines = MIN(lines, i); 675 } 676 677 static void 678 run(void) 679 { 680 XEvent ev; 681 682 while (!XNextEvent(dpy, &ev)) { 683 if (XFilterEvent(&ev, win)) 684 continue; 685 switch(ev.type) { 686 case DestroyNotify: 687 if (ev.xdestroywindow.window != win) 688 break; 689 cleanup(); 690 exit(1); 691 case Expose: 692 if (ev.xexpose.count == 0) 693 drw_map(drw, win, 0, 0, mw, mh); 694 break; 695 case FocusIn: 696 /* regrab focus from parent window */ 697 if (ev.xfocus.window != win) 698 grabfocus(); 699 break; 700 case KeyPress: 701 keypress(&ev.xkey); 702 break; 703 case SelectionNotify: 704 if (ev.xselection.property == utf8) 705 paste(); 706 break; 707 case VisibilityNotify: 708 if (ev.xvisibility.state != VisibilityUnobscured) 709 XRaiseWindow(dpy, win); 710 break; 711 } 712 } 713 } 714 715 static void 716 setup(void) 717 { 718 int x, y, i, j; 719 unsigned int du; 720 XSetWindowAttributes swa; 721 XIM xim; 722 Window w, dw, *dws; 723 XWindowAttributes wa; 724 XClassHint ch = {"dmenu", "dmenu"}; 725 #ifdef XINERAMA 726 XineramaScreenInfo *info; 727 Window pw; 728 int a, di, n, area = 0; 729 #endif 730 /* init appearance */ 731 for (j = 0; j < SchemeLast; j++) { 732 scheme[j] = drw_scm_create(drw, (const char**)colors[j], 2); 733 } 734 for (j = 0; j < SchemeOut; ++j) { 735 for (i = 0; i < 2; ++i) 736 free(colors[j][i]); 737 } 738 739 clip = XInternAtom(dpy, "CLIPBOARD", False); 740 utf8 = XInternAtom(dpy, "UTF8_STRING", False); 741 742 /* calculate menu geometry */ 743 bh = drw->fonts->h + 2; 744 lines = MAX(lines, 0); 745 mh = (lines + 1) * bh; 746 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0; 747 #ifdef XINERAMA 748 i = 0; 749 if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) { 750 XGetInputFocus(dpy, &w, &di); 751 if (mon >= 0 && mon < n) 752 i = mon; 753 else if (w != root && w != PointerRoot && w != None) { 754 /* find top-level window containing current input focus */ 755 do { 756 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws) 757 XFree(dws); 758 } while (w != root && w != pw); 759 /* find xinerama screen with which the window intersects most */ 760 if (XGetWindowAttributes(dpy, pw, &wa)) 761 for (j = 0; j < n; j++) 762 if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) { 763 area = a; 764 i = j; 765 } 766 } 767 /* no focused window is on screen, so use pointer location instead */ 768 if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du)) 769 for (i = 0; i < n; i++) 770 if (INTERSECT(x, y, 1, 1, info[i]) != 0) 771 break; 772 773 if (centered) { 774 mw = MIN(MAX(max_textw() + promptw, min_width), info[i].width); 775 x = info[i].x_org + ((info[i].width - mw) / 2); 776 y = info[i].y_org + ((info[i].height - mh) / menu_height_ratio); 777 } else { 778 x = info[i].x_org; 779 y = info[i].y_org + (topbar ? 0 : info[i].height - mh); 780 mw = info[i].width; 781 } 782 783 XFree(info); 784 } else 785 #endif 786 { 787 if (!XGetWindowAttributes(dpy, parentwin, &wa)) 788 die("could not get embedding window attributes: 0x%lx", 789 parentwin); 790 791 if (centered) { 792 mw = MIN(MAX(max_textw() + promptw, min_width), wa.width); 793 x = (wa.width - mw) / 2; 794 y = (wa.height - mh) / 2; 795 } else { 796 x = 0; 797 y = topbar ? 0 : wa.height - mh; 798 mw = wa.width; 799 } 800 } 801 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0; 802 inputw = mw / 3; /* input width: ~33% of monitor width */ 803 match(); 804 805 /* create menu window */ 806 swa.override_redirect = True; 807 swa.background_pixel = scheme[SchemeNorm][ColBg].pixel; 808 swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask; 809 win = XCreateWindow(dpy, root, x, y, mw, mh, border_width, 810 CopyFromParent, CopyFromParent, CopyFromParent, 811 CWOverrideRedirect | CWBackPixel | CWEventMask, &swa); 812 if (border_width) 813 XSetWindowBorder(dpy, win, scheme[SchemeSel][ColBg].pixel); 814 XSetClassHint(dpy, win, &ch); 815 816 /* input methods */ 817 if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL) 818 die("XOpenIM failed: could not open input device"); 819 820 xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, 821 XNClientWindow, win, XNFocusWindow, win, NULL); 822 823 XMapRaised(dpy, win); 824 if (embed) { 825 XReparentWindow(dpy, win, parentwin, x, y); 826 XSelectInput(dpy, parentwin, FocusChangeMask | SubstructureNotifyMask); 827 if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) { 828 for (i = 0; i < du && dws[i] != win; ++i) 829 XSelectInput(dpy, dws[i], FocusChangeMask); 830 XFree(dws); 831 } 832 grabfocus(); 833 } 834 drw_resize(drw, mw, mh); 835 drawmenu(); 836 } 837 838 static void 839 usage(void) 840 { 841 die("usage: dmenu [-bFfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n" 842 " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]"); 843 } 844 845 void 846 readxresources(void) { 847 XrmInitialize(); 848 849 char* xrm; 850 if ((xrm = XResourceManagerString(drw->dpy))) { 851 char *type; 852 XrmDatabase xdb = XrmGetStringDatabase(xrm); 853 XrmValue xval; 854 855 if (XrmGetResource(xdb, "dmenu.font", "*", &type, &xval)) 856 fonts[0] = strdup(xval.addr); 857 else 858 fonts[0] = strdup(fonts[0]); 859 if (XrmGetResource(xdb, "dmenu.background", "*", &type, &xval)) 860 colors[SchemeNorm][ColBg] = strdup(xval.addr); 861 else 862 colors[SchemeNorm][ColBg] = strdup(colors[SchemeNorm][ColBg]); 863 if (XrmGetResource(xdb, "dmenu.foreground", "*", &type, &xval)) 864 colors[SchemeNorm][ColFg] = strdup(xval.addr); 865 else 866 colors[SchemeNorm][ColFg] = strdup(colors[SchemeNorm][ColFg]); 867 if (XrmGetResource(xdb, "dmenu.selbackground", "*", &type, &xval)) 868 colors[SchemeSel][ColBg] = strdup(xval.addr); 869 else 870 colors[SchemeSel][ColBg] = strdup(colors[SchemeSel][ColBg]); 871 if (XrmGetResource(xdb, "dmenu.selforeground", "*", &type, &xval)) 872 colors[SchemeSel][ColFg] = strdup(xval.addr); 873 else 874 colors[SchemeSel][ColFg] = strdup(colors[SchemeSel][ColFg]); 875 876 XrmDestroyDatabase(xdb); 877 } 878 } 879 880 int 881 main(int argc, char *argv[]) 882 { 883 XWindowAttributes wa; 884 int i, fast = 0; 885 886 for (i = 1; i < argc; i++) 887 /* these options take no arguments */ 888 if (!strcmp(argv[i], "-v")) { /* prints version information */ 889 puts("dmenu-"VERSION); 890 exit(0); 891 } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */ 892 topbar = 0; 893 else if (!strcmp(argv[i], "-F")) /* disables fuzzy matching */ 894 fuzzy = 0; 895 else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */ 896 fast = 1; 897 else if (!strcmp(argv[i], "-c")) /* centers dmenu on screen */ 898 centered = 1; 899 else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */ 900 fstrncmp = strncasecmp; 901 fstrstr = cistrstr; 902 } else if (i + 1 == argc) 903 usage(); 904 /* these options take one argument */ 905 else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */ 906 lines = atoi(argv[++i]); 907 else if (!strcmp(argv[i], "-m")) 908 mon = atoi(argv[++i]); 909 else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */ 910 prompt = argv[++i]; 911 else if (!strcmp(argv[i], "-fn")) /* font or font set */ 912 tempfonts = argv[++i]; 913 else if (!strcmp(argv[i], "-nb")) /* normal background color */ 914 colortemp[0] = argv[++i]; 915 else if (!strcmp(argv[i], "-nf")) /* normal foreground color */ 916 colortemp[1] = argv[++i]; 917 else if (!strcmp(argv[i], "-sb")) /* selected background color */ 918 colortemp[2] = argv[++i]; 919 else if (!strcmp(argv[i], "-sf")) /* selected foreground color */ 920 colortemp[3] = argv[++i]; 921 else if (!strcmp(argv[i], "-w")) /* embedding window id */ 922 embed = argv[++i]; 923 else if (!strcmp(argv[i], "-bw")) 924 border_width = atoi(argv[++i]); /* border width */ 925 else 926 usage(); 927 928 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale()) 929 fputs("warning: no locale support\n", stderr); 930 if (!(dpy = XOpenDisplay(NULL))) 931 die("cannot open display"); 932 screen = DefaultScreen(dpy); 933 root = RootWindow(dpy, screen); 934 if (!embed || !(parentwin = strtol(embed, NULL, 0))) 935 parentwin = root; 936 if (!XGetWindowAttributes(dpy, parentwin, &wa)) 937 die("could not get embedding window attributes: 0x%lx", 938 parentwin); 939 drw = drw_create(dpy, screen, root, wa.width, wa.height); 940 readxresources(); 941 /* Now we check whether to override xresources with commandline parameters */ 942 if ( tempfonts ) 943 fonts[0] = strdup(tempfonts); 944 if ( colortemp[0]) 945 colors[SchemeNorm][ColBg] = strdup(colortemp[0]); 946 if ( colortemp[1]) 947 colors[SchemeNorm][ColFg] = strdup(colortemp[1]); 948 if ( colortemp[2]) 949 colors[SchemeSel][ColBg] = strdup(colortemp[2]); 950 if ( colortemp[3]) 951 colors[SchemeSel][ColFg] = strdup(colortemp[3]); 952 953 if (!drw_fontset_create(drw, (const char**)fonts, LENGTH(fonts))) 954 die("no fonts could be loaded."); 955 956 free(fonts[0]); 957 lrpad = drw->fonts->h; 958 959 #ifdef __OpenBSD__ 960 if (pledge("stdio rpath", NULL) == -1) 961 die("pledge"); 962 #endif 963 964 if (fast && !isatty(0)) { 965 grabkeyboard(); 966 readstdin(); 967 } else { 968 readstdin(); 969 grabkeyboard(); 970 } 971 setup(); 972 run(); 973 974 return 1; /* unreachable */ 975 }