dmenu.c (24967B)
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, passwd = 0; 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 char *censort; 169 170 drw_setscheme(drw, scheme[SchemeNorm]); 171 drw_rect(drw, 0, 0, mw, mh, 1, 1); 172 173 if (prompt && *prompt) { 174 drw_setscheme(drw, scheme[SchemeSel]); 175 x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0); 176 } 177 /* draw input field */ 178 w = (lines > 0 || !matches) ? mw - x : inputw; 179 drw_setscheme(drw, scheme[SchemeNorm]); 180 if (passwd) { 181 censort = ecalloc(1, sizeof(text)); 182 memset(censort, '.', strlen(text)); 183 drw_text(drw, x, 0, w, bh, lrpad / 2, censort, 0); 184 free(censort); 185 } else drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0); 186 187 curpos = TEXTW(text) - TEXTW(&text[cursor]); 188 if ((curpos += lrpad / 2 - 1) < w) { 189 drw_setscheme(drw, scheme[SchemeNorm]); 190 drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0); 191 } 192 193 if (lines > 0) { 194 /* draw vertical list */ 195 for (item = curr; item != next; item = item->right) 196 drawitem(item, x, y += bh, mw - x); 197 } else if (matches) { 198 /* draw horizontal list */ 199 x += inputw; 200 w = TEXTW("<"); 201 if (curr->left) { 202 drw_setscheme(drw, scheme[SchemeNorm]); 203 drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0); 204 } 205 x += w; 206 for (item = curr; item != next; item = item->right) 207 x = drawitem(item, x, 0, textw_clamp(item->text, mw - x - TEXTW(">"))); 208 if (next) { 209 w = TEXTW(">"); 210 drw_setscheme(drw, scheme[SchemeNorm]); 211 drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0); 212 } 213 } 214 drw_map(drw, win, 0, 0, mw, mh); 215 } 216 217 static void 218 grabfocus(void) 219 { 220 struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 }; 221 Window focuswin; 222 int i, revertwin; 223 224 for (i = 0; i < 100; ++i) { 225 XGetInputFocus(dpy, &focuswin, &revertwin); 226 if (focuswin == win) 227 return; 228 XSetInputFocus(dpy, win, RevertToParent, CurrentTime); 229 nanosleep(&ts, NULL); 230 } 231 die("cannot grab focus"); 232 } 233 234 static void 235 grabkeyboard(void) 236 { 237 struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; 238 int i; 239 240 if (embed) 241 return; 242 /* try to grab keyboard, we may have to wait for another process to ungrab */ 243 for (i = 0; i < 1000; i++) { 244 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync, 245 GrabModeAsync, CurrentTime) == GrabSuccess) 246 return; 247 nanosleep(&ts, NULL); 248 } 249 die("cannot grab keyboard"); 250 } 251 252 int 253 compare_distance(const void *a, const void *b) 254 { 255 struct item *da = *(struct item **) a; 256 struct item *db = *(struct item **) b; 257 258 if (!db) 259 return 1; 260 if (!da) 261 return -1; 262 263 return da->distance == db->distance ? 0 : da->distance < db->distance ? -1 : 1; 264 } 265 266 void 267 fuzzymatch(void) 268 { 269 /* bang - we have so much memory */ 270 struct item *it; 271 struct item **fuzzymatches = NULL; 272 char c; 273 int number_of_matches = 0, i, pidx, sidx, eidx; 274 int text_len = strlen(text), itext_len; 275 276 matches = matchend = NULL; 277 278 /* walk through all items */ 279 for (it = items; it && it->text; ++it) { 280 if (text_len) { 281 itext_len = strlen(it->text); 282 pidx = 0; /* pointer */ 283 sidx = eidx = -1; /* start of match, end of match */ 284 /* walk through item text */ 285 for (i = 0; i < itext_len && (c = it->text[i]); ++i) { 286 /* fuzzy match pattern */ 287 if (!fstrncmp(&text[pidx], &c, 1)) { 288 if(sidx == -1) 289 sidx = i; 290 ++pidx; 291 if (pidx == text_len) { 292 eidx = i; 293 break; 294 } 295 } 296 } 297 /* build list of matches */ 298 if (eidx != -1) { 299 /* compute distance */ 300 /* add penalty if match starts late (log(sidx+2)) 301 * add penalty for long a match without many matching characters */ 302 it->distance = log(sidx + 2) + (double)(eidx - sidx - text_len); 303 /* fprintf(stderr, "distance %s %f\n", it->text, it->distance); */ 304 appenditem(it, &matches, &matchend); 305 ++number_of_matches; 306 } 307 } else { 308 appenditem(it, &matches, &matchend); 309 } 310 } 311 312 if (number_of_matches) { 313 /* initialize array with matches */ 314 if (!(fuzzymatches = realloc(fuzzymatches, 315 number_of_matches * sizeof(struct item *)))) 316 die("cannot realloc %u bytes:", number_of_matches * sizeof(struct item *)); 317 for (i = 0, it = matches; it && i < number_of_matches; ++i, it = it->right) 318 fuzzymatches[i] = it; 319 /* sort matches according to distance */ 320 qsort(fuzzymatches, number_of_matches, sizeof(struct item*), compare_distance); 321 /* rebuild list of matches */ 322 matches = matchend = NULL; 323 for (i = 0, it = fuzzymatches[i]; i < number_of_matches && it && 324 it->text; ++i, it = fuzzymatches[i]) 325 appenditem(it, &matches, &matchend); 326 free(fuzzymatches); 327 } 328 curr = sel = matches; 329 calcoffsets(); 330 } 331 332 static void 333 match(void) 334 { 335 if (fuzzy) { 336 fuzzymatch(); 337 return; 338 } 339 static char **tokv = NULL; 340 static int tokn = 0; 341 342 char buf[sizeof text], *s; 343 int i, tokc = 0; 344 size_t len, textsize; 345 struct item *item, *lprefix, *lsubstr, *prefixend, *substrend; 346 347 strcpy(buf, text); 348 /* separate input text into tokens to be matched individually */ 349 for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " ")) 350 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv))) 351 die("cannot realloc %zu bytes:", tokn * sizeof *tokv); 352 len = tokc ? strlen(tokv[0]) : 0; 353 354 matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL; 355 textsize = strlen(text) + 1; 356 for (item = items; item && item->text; item++) { 357 for (i = 0; i < tokc; i++) 358 if (!fstrstr(item->text, tokv[i])) 359 break; 360 if (i != tokc) /* not all tokens match */ 361 continue; 362 /* exact matches go first, then prefixes, then substrings */ 363 if (!tokc || !fstrncmp(text, item->text, textsize)) 364 appenditem(item, &matches, &matchend); 365 else if (!fstrncmp(tokv[0], item->text, len)) 366 appenditem(item, &lprefix, &prefixend); 367 else 368 appenditem(item, &lsubstr, &substrend); 369 } 370 if (lprefix) { 371 if (matches) { 372 matchend->right = lprefix; 373 lprefix->left = matchend; 374 } else 375 matches = lprefix; 376 matchend = prefixend; 377 } 378 if (lsubstr) { 379 if (matches) { 380 matchend->right = lsubstr; 381 lsubstr->left = matchend; 382 } else 383 matches = lsubstr; 384 matchend = substrend; 385 } 386 curr = sel = matches; 387 calcoffsets(); 388 } 389 390 static void 391 insert(const char *str, ssize_t n) 392 { 393 if (strlen(text) + n > sizeof text - 1) 394 return; 395 /* move existing text out of the way, insert new text, and update cursor */ 396 memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0)); 397 if (n > 0) 398 memcpy(&text[cursor], str, n); 399 cursor += n; 400 match(); 401 } 402 403 static size_t 404 nextrune(int inc) 405 { 406 ssize_t n; 407 408 /* return location of next utf8 rune in the given direction (+1 or -1) */ 409 for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc) 410 ; 411 return n; 412 } 413 414 static void 415 movewordedge(int dir) 416 { 417 if (dir < 0) { /* move cursor to the start of the word*/ 418 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) 419 cursor = nextrune(-1); 420 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) 421 cursor = nextrune(-1); 422 } else { /* move cursor to the end of the word */ 423 while (text[cursor] && strchr(worddelimiters, text[cursor])) 424 cursor = nextrune(+1); 425 while (text[cursor] && !strchr(worddelimiters, text[cursor])) 426 cursor = nextrune(+1); 427 } 428 } 429 430 static void 431 keypress(XKeyEvent *ev) 432 { 433 char buf[64]; 434 int len; 435 KeySym ksym = NoSymbol; 436 Status status; 437 438 len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status); 439 switch (status) { 440 default: /* XLookupNone, XBufferOverflow */ 441 return; 442 case XLookupChars: /* composed string from input method */ 443 goto insert; 444 case XLookupKeySym: 445 case XLookupBoth: /* a KeySym and a string are returned: use keysym */ 446 break; 447 } 448 449 if (ev->state & ControlMask) { 450 switch(ksym) { 451 case XK_a: ksym = XK_Home; break; 452 case XK_b: ksym = XK_Left; break; 453 case XK_c: ksym = XK_Escape; break; 454 case XK_d: ksym = XK_Delete; break; 455 case XK_e: ksym = XK_End; break; 456 case XK_f: ksym = XK_Right; break; 457 case XK_g: ksym = XK_Escape; break; 458 case XK_h: ksym = XK_BackSpace; break; 459 case XK_i: ksym = XK_Tab; break; 460 case XK_j: /* fallthrough */ 461 case XK_J: /* fallthrough */ 462 case XK_m: /* fallthrough */ 463 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break; 464 case XK_n: ksym = XK_Down; break; 465 case XK_p: ksym = XK_Up; break; 466 467 case XK_k: /* delete right */ 468 text[cursor] = '\0'; 469 match(); 470 break; 471 case XK_u: /* delete left */ 472 insert(NULL, 0 - cursor); 473 break; 474 case XK_w: /* delete word */ 475 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) 476 insert(NULL, nextrune(-1) - cursor); 477 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) 478 insert(NULL, nextrune(-1) - cursor); 479 break; 480 case XK_y: /* paste selection */ 481 case XK_Y: 482 XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY, 483 utf8, utf8, win, CurrentTime); 484 return; 485 case XK_Left: 486 case XK_KP_Left: 487 movewordedge(-1); 488 goto draw; 489 case XK_Right: 490 case XK_KP_Right: 491 movewordedge(+1); 492 goto draw; 493 case XK_Return: 494 case XK_KP_Enter: 495 break; 496 case XK_bracketleft: 497 cleanup(); 498 exit(1); 499 default: 500 return; 501 } 502 } else if (ev->state & Mod1Mask) { 503 switch(ksym) { 504 case XK_b: 505 movewordedge(-1); 506 goto draw; 507 case XK_f: 508 movewordedge(+1); 509 goto draw; 510 case XK_g: ksym = XK_Home; break; 511 case XK_G: ksym = XK_End; break; 512 case XK_h: ksym = XK_Up; break; 513 case XK_j: ksym = XK_Next; break; 514 case XK_k: ksym = XK_Prior; break; 515 case XK_l: ksym = XK_Down; break; 516 default: 517 return; 518 } 519 } 520 521 switch(ksym) { 522 default: 523 insert: 524 if (!iscntrl((unsigned char)*buf)) 525 insert(buf, len); 526 break; 527 case XK_Delete: 528 case XK_KP_Delete: 529 if (text[cursor] == '\0') 530 return; 531 cursor = nextrune(+1); 532 /* fallthrough */ 533 case XK_BackSpace: 534 if (cursor == 0) 535 return; 536 insert(NULL, nextrune(-1) - cursor); 537 break; 538 case XK_End: 539 case XK_KP_End: 540 if (text[cursor] != '\0') { 541 cursor = strlen(text); 542 break; 543 } 544 if (next) { 545 /* jump to end of list and position items in reverse */ 546 curr = matchend; 547 calcoffsets(); 548 curr = prev; 549 calcoffsets(); 550 while (next && (curr = curr->right)) 551 calcoffsets(); 552 } 553 sel = matchend; 554 break; 555 case XK_Escape: 556 cleanup(); 557 exit(1); 558 case XK_Home: 559 case XK_KP_Home: 560 if (sel == matches) { 561 cursor = 0; 562 break; 563 } 564 sel = curr = matches; 565 calcoffsets(); 566 break; 567 case XK_Left: 568 case XK_KP_Left: 569 if (cursor > 0 && (!sel || !sel->left || lines > 0)) { 570 cursor = nextrune(-1); 571 break; 572 } 573 if (lines > 0) 574 return; 575 /* fallthrough */ 576 case XK_Up: 577 case XK_KP_Up: 578 if (sel && sel->left && (sel = sel->left)->right == curr) { 579 curr = prev; 580 calcoffsets(); 581 } 582 break; 583 case XK_Next: 584 case XK_KP_Next: 585 if (!next) 586 return; 587 sel = curr = next; 588 calcoffsets(); 589 break; 590 case XK_Prior: 591 case XK_KP_Prior: 592 if (!prev) 593 return; 594 sel = curr = prev; 595 calcoffsets(); 596 break; 597 case XK_Return: 598 case XK_KP_Enter: 599 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text); 600 if (!(ev->state & ControlMask)) { 601 cleanup(); 602 exit(0); 603 } 604 if (sel) 605 sel->out = 1; 606 break; 607 case XK_Right: 608 case XK_KP_Right: 609 if (text[cursor] != '\0') { 610 cursor = nextrune(+1); 611 break; 612 } 613 if (lines > 0) 614 return; 615 /* fallthrough */ 616 case XK_Down: 617 case XK_KP_Down: 618 if (sel && sel->right && (sel = sel->right) == next) { 619 curr = next; 620 calcoffsets(); 621 } 622 break; 623 case XK_Tab: 624 if (!sel) 625 return; 626 cursor = strnlen(sel->text, sizeof text - 1); 627 memcpy(text, sel->text, cursor); 628 text[cursor] = '\0'; 629 match(); 630 break; 631 } 632 633 draw: 634 drawmenu(); 635 } 636 637 static void 638 paste(void) 639 { 640 char *p, *q; 641 int di; 642 unsigned long dl; 643 Atom da; 644 645 /* we have been given the current selection, now insert it into input */ 646 if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False, 647 utf8, &da, &di, &dl, &dl, (unsigned char **)&p) 648 == Success && p) { 649 insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p)); 650 XFree(p); 651 } 652 drawmenu(); 653 } 654 655 static void 656 readstdin(void) 657 { 658 char *line = NULL; 659 size_t i, itemsiz = 0, linesiz = 0; 660 ssize_t len; 661 if(passwd) { 662 inputw = lines = 0; 663 return; 664 } 665 666 667 /* read each line from stdin and add it to the item list */ 668 for (i = 0; (len = getline(&line, &linesiz, stdin)) != -1; i++) { 669 if (i + 1 >= itemsiz) { 670 itemsiz += 256; 671 if (!(items = realloc(items, itemsiz * sizeof(*items)))) 672 die("cannot realloc %zu bytes:", itemsiz * sizeof(*items)); 673 } 674 if (line[len - 1] == '\n') 675 line[len - 1] = '\0'; 676 if (!(items[i].text = strdup(line))) 677 die("strdup:"); 678 items[i].width = TEXTW(line); 679 680 items[i].out = 0; 681 } 682 free(line); 683 if (items) 684 items[i].text = NULL; 685 lines = MIN(lines, i); 686 } 687 688 static void 689 run(void) 690 { 691 XEvent ev; 692 693 while (!XNextEvent(dpy, &ev)) { 694 if (XFilterEvent(&ev, win)) 695 continue; 696 switch(ev.type) { 697 case DestroyNotify: 698 if (ev.xdestroywindow.window != win) 699 break; 700 cleanup(); 701 exit(1); 702 case Expose: 703 if (ev.xexpose.count == 0) 704 drw_map(drw, win, 0, 0, mw, mh); 705 break; 706 case FocusIn: 707 /* regrab focus from parent window */ 708 if (ev.xfocus.window != win) 709 grabfocus(); 710 break; 711 case KeyPress: 712 keypress(&ev.xkey); 713 break; 714 case SelectionNotify: 715 if (ev.xselection.property == utf8) 716 paste(); 717 break; 718 case VisibilityNotify: 719 if (ev.xvisibility.state != VisibilityUnobscured) 720 XRaiseWindow(dpy, win); 721 break; 722 } 723 } 724 } 725 726 static void 727 setup(void) 728 { 729 int x, y, i, j; 730 unsigned int du; 731 XSetWindowAttributes swa; 732 XIM xim; 733 Window w, dw, *dws; 734 XWindowAttributes wa; 735 XClassHint ch = {"dmenu", "dmenu"}; 736 #ifdef XINERAMA 737 XineramaScreenInfo *info; 738 Window pw; 739 int a, di, n, area = 0; 740 #endif 741 /* init appearance */ 742 for (j = 0; j < SchemeLast; j++) { 743 scheme[j] = drw_scm_create(drw, (const char**)colors[j], 2); 744 } 745 for (j = 0; j < SchemeOut; ++j) { 746 for (i = 0; i < 2; ++i) 747 free(colors[j][i]); 748 } 749 750 clip = XInternAtom(dpy, "CLIPBOARD", False); 751 utf8 = XInternAtom(dpy, "UTF8_STRING", False); 752 753 /* calculate menu geometry */ 754 bh = drw->fonts->h + 2; 755 lines = MAX(lines, 0); 756 mh = (lines + 1) * bh; 757 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0; 758 #ifdef XINERAMA 759 i = 0; 760 if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) { 761 XGetInputFocus(dpy, &w, &di); 762 if (mon >= 0 && mon < n) 763 i = mon; 764 else if (w != root && w != PointerRoot && w != None) { 765 /* find top-level window containing current input focus */ 766 do { 767 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws) 768 XFree(dws); 769 } while (w != root && w != pw); 770 /* find xinerama screen with which the window intersects most */ 771 if (XGetWindowAttributes(dpy, pw, &wa)) 772 for (j = 0; j < n; j++) 773 if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) { 774 area = a; 775 i = j; 776 } 777 } 778 /* no focused window is on screen, so use pointer location instead */ 779 if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du)) 780 for (i = 0; i < n; i++) 781 if (INTERSECT(x, y, 1, 1, info[i]) != 0) 782 break; 783 784 if (centered) { 785 mw = MIN(MAX(max_textw() + promptw, min_width), info[i].width); 786 x = info[i].x_org + ((info[i].width - mw) / 2); 787 y = info[i].y_org + ((info[i].height - mh) / menu_height_ratio); 788 } else { 789 x = info[i].x_org; 790 y = info[i].y_org + (topbar ? 0 : info[i].height - mh); 791 mw = info[i].width; 792 } 793 794 XFree(info); 795 } else 796 #endif 797 { 798 if (!XGetWindowAttributes(dpy, parentwin, &wa)) 799 die("could not get embedding window attributes: 0x%lx", 800 parentwin); 801 802 if (centered) { 803 mw = MIN(MAX(max_textw() + promptw, min_width), wa.width); 804 x = (wa.width - mw) / 2; 805 y = (wa.height - mh) / 2; 806 } else { 807 x = 0; 808 y = topbar ? 0 : wa.height - mh; 809 mw = wa.width; 810 } 811 } 812 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0; 813 inputw = mw / 3; /* input width: ~33% of monitor width */ 814 match(); 815 816 /* create menu window */ 817 swa.override_redirect = True; 818 swa.background_pixel = scheme[SchemeNorm][ColBg].pixel; 819 swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask; 820 win = XCreateWindow(dpy, root, x, y, mw, mh, border_width, 821 CopyFromParent, CopyFromParent, CopyFromParent, 822 CWOverrideRedirect | CWBackPixel | CWEventMask, &swa); 823 if (border_width) 824 XSetWindowBorder(dpy, win, scheme[SchemeSel][ColBg].pixel); 825 XSetClassHint(dpy, win, &ch); 826 827 /* input methods */ 828 if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL) 829 die("XOpenIM failed: could not open input device"); 830 831 xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, 832 XNClientWindow, win, XNFocusWindow, win, NULL); 833 834 XMapRaised(dpy, win); 835 if (embed) { 836 XReparentWindow(dpy, win, parentwin, x, y); 837 XSelectInput(dpy, parentwin, FocusChangeMask | SubstructureNotifyMask); 838 if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) { 839 for (i = 0; i < du && dws[i] != win; ++i) 840 XSelectInput(dpy, dws[i], FocusChangeMask); 841 XFree(dws); 842 } 843 grabfocus(); 844 } 845 drw_resize(drw, mw, mh); 846 drawmenu(); 847 } 848 849 static void 850 usage(void) 851 { 852 die("usage: dmenu [-bFfivP] [-l lines] [-p prompt] [-fn font] [-m monitor]\n" 853 " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]"); 854 } 855 856 void 857 readxresources(void) { 858 XrmInitialize(); 859 860 char* xrm; 861 if ((xrm = XResourceManagerString(drw->dpy))) { 862 char *type; 863 XrmDatabase xdb = XrmGetStringDatabase(xrm); 864 XrmValue xval; 865 866 if (XrmGetResource(xdb, "dmenu.font", "*", &type, &xval)) 867 fonts[0] = strdup(xval.addr); 868 else 869 fonts[0] = strdup(fonts[0]); 870 if (XrmGetResource(xdb, "dmenu.background", "*", &type, &xval)) 871 colors[SchemeNorm][ColBg] = strdup(xval.addr); 872 else 873 colors[SchemeNorm][ColBg] = strdup(colors[SchemeNorm][ColBg]); 874 if (XrmGetResource(xdb, "dmenu.foreground", "*", &type, &xval)) 875 colors[SchemeNorm][ColFg] = strdup(xval.addr); 876 else 877 colors[SchemeNorm][ColFg] = strdup(colors[SchemeNorm][ColFg]); 878 if (XrmGetResource(xdb, "dmenu.selbackground", "*", &type, &xval)) 879 colors[SchemeSel][ColBg] = strdup(xval.addr); 880 else 881 colors[SchemeSel][ColBg] = strdup(colors[SchemeSel][ColBg]); 882 if (XrmGetResource(xdb, "dmenu.selforeground", "*", &type, &xval)) 883 colors[SchemeSel][ColFg] = strdup(xval.addr); 884 else 885 colors[SchemeSel][ColFg] = strdup(colors[SchemeSel][ColFg]); 886 887 XrmDestroyDatabase(xdb); 888 } 889 } 890 891 int 892 main(int argc, char *argv[]) 893 { 894 XWindowAttributes wa; 895 int i, fast = 0; 896 897 for (i = 1; i < argc; i++) 898 /* these options take no arguments */ 899 if (!strcmp(argv[i], "-v")) { /* prints version information */ 900 puts("dmenu-"VERSION); 901 exit(0); 902 } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */ 903 topbar = 0; 904 else if (!strcmp(argv[i], "-F")) /* disables fuzzy matching */ 905 fuzzy = 0; 906 else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */ 907 fast = 1; 908 else if (!strcmp(argv[i], "-c")) /* centers dmenu on screen */ 909 centered = 1; 910 else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */ 911 fstrncmp = strncasecmp; 912 fstrstr = cistrstr; 913 } else if (!strcmp(argv[i], "-P")) /* is the input a password */ 914 passwd = 1; 915 else if (i + 1 == argc) 916 usage(); 917 /* these options take one argument */ 918 else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */ 919 lines = atoi(argv[++i]); 920 else if (!strcmp(argv[i], "-m")) 921 mon = atoi(argv[++i]); 922 else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */ 923 prompt = argv[++i]; 924 else if (!strcmp(argv[i], "-fn")) /* font or font set */ 925 tempfonts = argv[++i]; 926 else if (!strcmp(argv[i], "-nb")) /* normal background color */ 927 colortemp[0] = argv[++i]; 928 else if (!strcmp(argv[i], "-nf")) /* normal foreground color */ 929 colortemp[1] = argv[++i]; 930 else if (!strcmp(argv[i], "-sb")) /* selected background color */ 931 colortemp[2] = argv[++i]; 932 else if (!strcmp(argv[i], "-sf")) /* selected foreground color */ 933 colortemp[3] = argv[++i]; 934 else if (!strcmp(argv[i], "-w")) /* embedding window id */ 935 embed = argv[++i]; 936 else if (!strcmp(argv[i], "-bw")) 937 border_width = atoi(argv[++i]); /* border width */ 938 else 939 usage(); 940 941 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale()) 942 fputs("warning: no locale support\n", stderr); 943 if (!(dpy = XOpenDisplay(NULL))) 944 die("cannot open display"); 945 screen = DefaultScreen(dpy); 946 root = RootWindow(dpy, screen); 947 if (!embed || !(parentwin = strtol(embed, NULL, 0))) 948 parentwin = root; 949 if (!XGetWindowAttributes(dpy, parentwin, &wa)) 950 die("could not get embedding window attributes: 0x%lx", 951 parentwin); 952 drw = drw_create(dpy, screen, root, wa.width, wa.height); 953 readxresources(); 954 /* Now we check whether to override xresources with commandline parameters */ 955 if ( tempfonts ) 956 fonts[0] = strdup(tempfonts); 957 if ( colortemp[0]) 958 colors[SchemeNorm][ColBg] = strdup(colortemp[0]); 959 if ( colortemp[1]) 960 colors[SchemeNorm][ColFg] = strdup(colortemp[1]); 961 if ( colortemp[2]) 962 colors[SchemeSel][ColBg] = strdup(colortemp[2]); 963 if ( colortemp[3]) 964 colors[SchemeSel][ColFg] = strdup(colortemp[3]); 965 966 if (!drw_fontset_create(drw, (const char**)fonts, LENGTH(fonts))) 967 die("no fonts could be loaded."); 968 969 free(fonts[0]); 970 lrpad = drw->fonts->h; 971 972 #ifdef __OpenBSD__ 973 if (pledge("stdio rpath", NULL) == -1) 974 die("pledge"); 975 #endif 976 977 if (fast && !isatty(0)) { 978 grabkeyboard(); 979 readstdin(); 980 } else { 981 readstdin(); 982 grabkeyboard(); 983 } 984 setup(); 985 run(); 986 987 return 1; /* unreachable */ 988 } 989