dmenu.c (22725B)
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 LENGTH(X) (sizeof X / sizeof X[0]) 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 struct item *left, *right; 35 int out; 36 double distance; 37 }; 38 39 static char text[BUFSIZ] = ""; 40 static char *embed; 41 static int bh, mw, mh; 42 static int inputw = 0, promptw, passwd = 0; 43 static int lrpad; /* sum of left and right padding */ 44 static size_t cursor; 45 static struct item *items = NULL; 46 static struct item *matches, *matchend; 47 static struct item *prev, *curr, *next, *sel; 48 static int mon = -1, screen; 49 50 static Atom clip, utf8; 51 static Display *dpy; 52 static Window root, parentwin, win; 53 static XIC xic; 54 55 static Drw *drw; 56 static Clr *scheme[SchemeLast]; 57 58 #include "config.h" 59 60 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp; 61 static char *(*fstrstr)(const char *, const char *) = strstr; 62 63 static void 64 appenditem(struct item *item, struct item **list, struct item **last) 65 { 66 if (*last) 67 (*last)->right = item; 68 else 69 *list = item; 70 71 item->left = *last; 72 item->right = NULL; 73 *last = item; 74 } 75 76 static void 77 calcoffsets(void) 78 { 79 int i, n; 80 81 if (lines > 0) 82 n = lines * bh; 83 else 84 n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">")); 85 /* calculate which items will begin the next page and previous page */ 86 for (i = 0, next = curr; next; next = next->right) 87 if ((i += (lines > 0) ? bh : MIN(TEXTW(next->text), n)) > n) 88 break; 89 for (i = 0, prev = curr; prev && prev->left; prev = prev->left) 90 if ((i += (lines > 0) ? bh : MIN(TEXTW(prev->left->text), n)) > n) 91 break; 92 } 93 94 static int 95 max_textw(void) 96 { 97 int len = 0; 98 for (struct item *item = items; item && item->text; item++) 99 len = MAX(TEXTW(item->text), len); 100 return len; 101 } 102 103 static void 104 cleanup(void) 105 { 106 size_t i; 107 108 XUngrabKey(dpy, AnyKey, AnyModifier, root); 109 for (i = 0; i < SchemeLast; i++) 110 free(scheme[i]); 111 drw_free(drw); 112 XSync(dpy, False); 113 XCloseDisplay(dpy); 114 } 115 116 static char * 117 cistrstr(const char *s, const char *sub) 118 { 119 size_t len; 120 121 for (len = strlen(sub); *s; s++) 122 if (!strncasecmp(s, sub, len)) 123 return (char *)s; 124 return NULL; 125 } 126 127 static int 128 drawitem(struct item *item, int x, int y, int w) 129 { 130 if (item == sel) 131 drw_setscheme(drw, scheme[SchemeSel]); 132 else if (item->out) 133 drw_setscheme(drw, scheme[SchemeOut]); 134 else 135 drw_setscheme(drw, scheme[SchemeNorm]); 136 137 return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0); 138 } 139 140 static void 141 drawmenu(void) 142 { 143 unsigned int curpos; 144 struct item *item; 145 int x = 0, y = 0, fh = drw->fonts->h, w; 146 char *censort; 147 148 drw_setscheme(drw, scheme[SchemeNorm]); 149 drw_rect(drw, 0, 0, mw, mh, 1, 1); 150 151 if (prompt && *prompt) { 152 drw_setscheme(drw, scheme[SchemeSel]); 153 x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0); 154 } 155 /* draw input field */ 156 w = (lines > 0 || !matches) ? mw - x : inputw; 157 drw_setscheme(drw, scheme[SchemeNorm]); 158 if (passwd) { 159 censort = ecalloc(1, sizeof(text)); 160 memset(censort, '.', strlen(text)); 161 drw_text(drw, x, 0, w, bh, lrpad / 2, censort, 0); 162 free(censort); 163 } else drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0); 164 165 curpos = TEXTW(text) - TEXTW(&text[cursor]); 166 if ((curpos += lrpad / 2 - 1) < w) { 167 drw_setscheme(drw, scheme[SchemeNorm]); 168 drw_rect(drw, x + curpos, 2 + (bh-fh)/2, 2, fh - 4, 1, 0); 169 } 170 171 if (lines > 0) { 172 /* draw vertical list */ 173 for (item = curr; item != next; item = item->right) 174 drawitem(item, x, y += bh, mw - x); 175 } else if (matches) { 176 /* draw horizontal list */ 177 x += inputw; 178 w = TEXTW("<"); 179 if (curr->left) { 180 drw_setscheme(drw, scheme[SchemeNorm]); 181 drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0); 182 } 183 x += w; 184 for (item = curr; item != next; item = item->right) 185 x = drawitem(item, x, 0, MIN(TEXTW(item->text), mw - x - TEXTW(">"))); 186 if (next) { 187 w = TEXTW(">"); 188 drw_setscheme(drw, scheme[SchemeNorm]); 189 drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0); 190 } 191 } 192 drw_map(drw, win, 0, 0, mw, mh); 193 } 194 195 static void 196 grabfocus(void) 197 { 198 struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 }; 199 Window focuswin; 200 int i, revertwin; 201 202 for (i = 0; i < 100; ++i) { 203 XGetInputFocus(dpy, &focuswin, &revertwin); 204 if (focuswin == win) 205 return; 206 XSetInputFocus(dpy, win, RevertToParent, CurrentTime); 207 nanosleep(&ts, NULL); 208 } 209 die("cannot grab focus"); 210 } 211 212 static void 213 grabkeyboard(void) 214 { 215 struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; 216 int i; 217 218 if (embed) 219 return; 220 /* try to grab keyboard, we may have to wait for another process to ungrab */ 221 for (i = 0; i < 1000; i++) { 222 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync, 223 GrabModeAsync, CurrentTime) == GrabSuccess) 224 return; 225 nanosleep(&ts, NULL); 226 } 227 die("cannot grab keyboard"); 228 } 229 230 int 231 compare_distance(const void *a, const void *b) 232 { 233 struct item *da = *(struct item **) a; 234 struct item *db = *(struct item **) b; 235 236 if (!db) 237 return 1; 238 if (!da) 239 return -1; 240 241 return da->distance == db->distance ? 0 : da->distance < db->distance ? -1 : 1; 242 } 243 244 void 245 fuzzymatch(void) 246 { 247 /* bang - we have so much memory */ 248 struct item *it; 249 struct item **fuzzymatches = NULL; 250 char c; 251 int number_of_matches = 0, i, pidx, sidx, eidx; 252 int text_len = strlen(text), itext_len; 253 254 matches = matchend = NULL; 255 256 /* walk through all items */ 257 for (it = items; it && it->text; it++) { 258 if (text_len) { 259 itext_len = strlen(it->text); 260 pidx = 0; /* pointer */ 261 sidx = eidx = -1; /* start of match, end of match */ 262 /* walk through item text */ 263 for (i = 0; i < itext_len && (c = it->text[i]); i++) { 264 /* fuzzy match pattern */ 265 if (!fstrncmp(&text[pidx], &c, 1)) { 266 if(sidx == -1) 267 sidx = i; 268 pidx++; 269 if (pidx == text_len) { 270 eidx = i; 271 break; 272 } 273 } 274 } 275 /* build list of matches */ 276 if (eidx != -1) { 277 /* compute distance */ 278 /* add penalty if match starts late (log(sidx+2)) 279 * add penalty for long a match without many matching characters */ 280 it->distance = log(sidx + 2) + (double)(eidx - sidx - text_len); 281 /* fprintf(stderr, "distance %s %f\n", it->text, it->distance); */ 282 appenditem(it, &matches, &matchend); 283 number_of_matches++; 284 } 285 } else { 286 appenditem(it, &matches, &matchend); 287 } 288 } 289 290 if (number_of_matches) { 291 /* initialize array with matches */ 292 if (!(fuzzymatches = realloc(fuzzymatches, number_of_matches * sizeof(struct item*)))) 293 die("cannot realloc %u bytes:", number_of_matches * sizeof(struct item*)); 294 for (i = 0, it = matches; it && i < number_of_matches; i++, it = it->right) { 295 fuzzymatches[i] = it; 296 } 297 /* sort matches according to distance */ 298 qsort(fuzzymatches, number_of_matches, sizeof(struct item*), compare_distance); 299 /* rebuild list of matches */ 300 matches = matchend = NULL; 301 for (i = 0, it = fuzzymatches[i]; i < number_of_matches && it && \ 302 it->text; i++, it = fuzzymatches[i]) { 303 appenditem(it, &matches, &matchend); 304 } 305 free(fuzzymatches); 306 } 307 curr = sel = matches; 308 calcoffsets(); 309 } 310 311 static void 312 match(void) 313 { 314 if (fuzzy) { 315 fuzzymatch(); 316 return; 317 } 318 static char **tokv = NULL; 319 static int tokn = 0; 320 321 char buf[sizeof text], *s; 322 int i, tokc = 0; 323 size_t len, textsize; 324 struct item *item, *lprefix, *lsubstr, *prefixend, *substrend; 325 326 strcpy(buf, text); 327 /* separate input text into tokens to be matched individually */ 328 for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " ")) 329 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv))) 330 die("cannot realloc %u bytes:", tokn * sizeof *tokv); 331 len = tokc ? strlen(tokv[0]) : 0; 332 333 matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL; 334 textsize = strlen(text) + 1; 335 for (item = items; item && item->text; item++) { 336 for (i = 0; i < tokc; i++) 337 if (!fstrstr(item->text, tokv[i])) 338 break; 339 if (i != tokc) /* not all tokens match */ 340 continue; 341 /* exact matches go first, then prefixes, then substrings */ 342 if (!tokc || !fstrncmp(text, item->text, textsize)) 343 appenditem(item, &matches, &matchend); 344 else if (!fstrncmp(tokv[0], item->text, len)) 345 appenditem(item, &lprefix, &prefixend); 346 else 347 appenditem(item, &lsubstr, &substrend); 348 } 349 if (lprefix) { 350 if (matches) { 351 matchend->right = lprefix; 352 lprefix->left = matchend; 353 } else 354 matches = lprefix; 355 matchend = prefixend; 356 } 357 if (lsubstr) { 358 if (matches) { 359 matchend->right = lsubstr; 360 lsubstr->left = matchend; 361 } else 362 matches = lsubstr; 363 matchend = substrend; 364 } 365 curr = sel = matches; 366 calcoffsets(); 367 } 368 369 static void 370 insert(const char *str, ssize_t n) 371 { 372 if (strlen(text) + n > sizeof text - 1) 373 return; 374 /* move existing text out of the way, insert new text, and update cursor */ 375 memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0)); 376 if (n > 0) 377 memcpy(&text[cursor], str, n); 378 cursor += n; 379 match(); 380 } 381 382 static size_t 383 nextrune(int inc) 384 { 385 ssize_t n; 386 387 /* return location of next utf8 rune in the given direction (+1 or -1) */ 388 for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc) 389 ; 390 return n; 391 } 392 393 static void 394 movewordedge(int dir) 395 { 396 if (dir < 0) { /* move cursor to the start of the word*/ 397 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) 398 cursor = nextrune(-1); 399 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) 400 cursor = nextrune(-1); 401 } else { /* move cursor to the end of the word */ 402 while (text[cursor] && strchr(worddelimiters, text[cursor])) 403 cursor = nextrune(+1); 404 while (text[cursor] && !strchr(worddelimiters, text[cursor])) 405 cursor = nextrune(+1); 406 } 407 } 408 409 static void 410 keypress(XKeyEvent *ev) 411 { 412 char buf[32]; 413 int len; 414 KeySym ksym; 415 Status status; 416 417 len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status); 418 switch (status) { 419 default: /* XLookupNone, XBufferOverflow */ 420 return; 421 case XLookupChars: 422 goto insert; 423 case XLookupKeySym: 424 case XLookupBoth: 425 break; 426 } 427 428 if (ev->state & ControlMask) { 429 switch(ksym) { 430 case XK_a: ksym = XK_Home; break; 431 case XK_b: ksym = XK_Left; break; 432 case XK_c: ksym = XK_Escape; break; 433 case XK_d: ksym = XK_Delete; break; 434 case XK_e: ksym = XK_End; break; 435 case XK_f: ksym = XK_Right; break; 436 case XK_g: ksym = XK_Escape; break; 437 case XK_h: ksym = XK_BackSpace; break; 438 case XK_i: ksym = XK_Tab; break; 439 case XK_j: /* fallthrough */ 440 case XK_J: /* fallthrough */ 441 case XK_m: /* fallthrough */ 442 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break; 443 case XK_n: ksym = XK_Down; break; 444 case XK_p: ksym = XK_Up; break; 445 446 case XK_k: /* delete right */ 447 text[cursor] = '\0'; 448 match(); 449 break; 450 case XK_u: /* delete left */ 451 insert(NULL, 0 - cursor); 452 break; 453 case XK_w: /* delete word */ 454 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) 455 insert(NULL, nextrune(-1) - cursor); 456 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) 457 insert(NULL, nextrune(-1) - cursor); 458 break; 459 case XK_y: /* paste selection */ 460 case XK_Y: 461 XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY, 462 utf8, utf8, win, CurrentTime); 463 return; 464 case XK_Left: 465 movewordedge(-1); 466 goto draw; 467 case XK_Right: 468 movewordedge(+1); 469 goto draw; 470 case XK_Return: 471 case XK_KP_Enter: 472 break; 473 case XK_bracketleft: 474 cleanup(); 475 exit(1); 476 default: 477 return; 478 } 479 } else if (ev->state & Mod1Mask) { 480 switch(ksym) { 481 case XK_b: 482 movewordedge(-1); 483 goto draw; 484 case XK_f: 485 movewordedge(+1); 486 goto draw; 487 case XK_g: ksym = XK_Home; break; 488 case XK_G: ksym = XK_End; break; 489 case XK_h: ksym = XK_Up; break; 490 case XK_j: ksym = XK_Next; break; 491 case XK_k: ksym = XK_Prior; break; 492 case XK_l: ksym = XK_Down; break; 493 default: 494 return; 495 } 496 } 497 498 switch(ksym) { 499 default: 500 insert: 501 if (!iscntrl(*buf)) 502 insert(buf, len); 503 break; 504 case XK_Delete: 505 if (text[cursor] == '\0') 506 return; 507 cursor = nextrune(+1); 508 /* fallthrough */ 509 case XK_BackSpace: 510 if (cursor == 0) 511 return; 512 insert(NULL, nextrune(-1) - cursor); 513 break; 514 case XK_End: 515 if (text[cursor] != '\0') { 516 cursor = strlen(text); 517 break; 518 } 519 if (next) { 520 /* jump to end of list and position items in reverse */ 521 curr = matchend; 522 calcoffsets(); 523 curr = prev; 524 calcoffsets(); 525 while (next && (curr = curr->right)) 526 calcoffsets(); 527 } 528 sel = matchend; 529 break; 530 case XK_Escape: 531 cleanup(); 532 exit(1); 533 case XK_Home: 534 if (sel == matches) { 535 cursor = 0; 536 break; 537 } 538 sel = curr = matches; 539 calcoffsets(); 540 break; 541 case XK_Left: 542 if (cursor > 0 && (!sel || !sel->left || lines > 0)) { 543 cursor = nextrune(-1); 544 break; 545 } 546 if (lines > 0) 547 return; 548 /* fallthrough */ 549 case XK_Up: 550 if (sel && sel->left && (sel = sel->left)->right == curr) { 551 curr = prev; 552 calcoffsets(); 553 } 554 break; 555 case XK_Next: 556 if (!next) 557 return; 558 sel = curr = next; 559 calcoffsets(); 560 break; 561 case XK_Prior: 562 if (!prev) 563 return; 564 sel = curr = prev; 565 calcoffsets(); 566 break; 567 case XK_Return: 568 case XK_KP_Enter: 569 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text); 570 if (!(ev->state & ControlMask)) { 571 cleanup(); 572 exit(0); 573 } 574 if (sel) 575 sel->out = 1; 576 break; 577 case XK_Right: 578 if (text[cursor] != '\0') { 579 cursor = nextrune(+1); 580 break; 581 } 582 if (lines > 0) 583 return; 584 /* fallthrough */ 585 case XK_Down: 586 if (sel && sel->right && (sel = sel->right) == next) { 587 curr = next; 588 calcoffsets(); 589 } 590 break; 591 case XK_Tab: 592 if (!sel) 593 return; 594 strncpy(text, sel->text, sizeof text - 1); 595 text[sizeof text - 1] = '\0'; 596 cursor = strlen(text); 597 match(); 598 break; 599 } 600 601 draw: 602 drawmenu(); 603 } 604 605 static void 606 paste(void) 607 { 608 char *p, *q; 609 int di; 610 unsigned long dl; 611 Atom da; 612 613 /* we have been given the current selection, now insert it into input */ 614 if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False, 615 utf8, &da, &di, &dl, &dl, (unsigned char **)&p) 616 == Success && p) { 617 insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p)); 618 XFree(p); 619 } 620 drawmenu(); 621 } 622 623 static void 624 readstdin(void) 625 { 626 char buf[sizeof text], *p; 627 size_t i, imax = 0, size = 0; 628 unsigned int tmpmax = 0; 629 630 if (passwd) { 631 inputw = lines = 0; 632 return; 633 } 634 635 /* read each line from stdin and add it to the item list */ 636 for (i = 0; fgets(buf, sizeof buf, stdin); i++) { 637 if (i + 1 >= size / sizeof *items) 638 if (!(items = realloc(items, (size += BUFSIZ)))) 639 die("cannot realloc %u bytes:", size); 640 if ((p = strchr(buf, '\n'))) 641 *p = '\0'; 642 if (!(items[i].text = strdup(buf))) 643 die("cannot strdup %u bytes:", strlen(buf) + 1); 644 items[i].out = 0; 645 drw_font_getexts(drw->fonts, buf, strlen(buf), &tmpmax, NULL); 646 if (tmpmax > inputw) { 647 inputw = tmpmax; 648 imax = i; 649 } 650 } 651 if (items) 652 items[i].text = NULL; 653 inputw = items ? TEXTW(items[imax].text) : 0; 654 lines = MIN(lines, i); 655 } 656 657 static void 658 run(void) 659 { 660 XEvent ev; 661 662 while (!XNextEvent(dpy, &ev)) { 663 if (XFilterEvent(&ev, win)) 664 continue; 665 switch(ev.type) { 666 case DestroyNotify: 667 if (ev.xdestroywindow.window != win) 668 break; 669 cleanup(); 670 exit(1); 671 case Expose: 672 if (ev.xexpose.count == 0) 673 drw_map(drw, win, 0, 0, mw, mh); 674 break; 675 case FocusIn: 676 /* regrab focus from parent window */ 677 if (ev.xfocus.window != win) 678 grabfocus(); 679 break; 680 case KeyPress: 681 keypress(&ev.xkey); 682 break; 683 case SelectionNotify: 684 if (ev.xselection.property == utf8) 685 paste(); 686 break; 687 case VisibilityNotify: 688 if (ev.xvisibility.state != VisibilityUnobscured) 689 XRaiseWindow(dpy, win); 690 break; 691 } 692 } 693 } 694 695 static void 696 setup(void) 697 { 698 int x, y, i, j; 699 unsigned int du; 700 XSetWindowAttributes swa; 701 XIM xim; 702 Window w, dw, *dws; 703 XWindowAttributes wa; 704 XClassHint ch = {"dmenu", "dmenu"}; 705 #ifdef XINERAMA 706 XineramaScreenInfo *info; 707 Window pw; 708 int a, di, n, area = 0; 709 #endif 710 /* init appearance */ 711 for (j = 0; j < SchemeLast; j++) 712 scheme[j] = drw_scm_create(drw, colors[j], 2); 713 714 clip = XInternAtom(dpy, "CLIPBOARD", False); 715 utf8 = XInternAtom(dpy, "UTF8_STRING", False); 716 717 /* calculate menu geometry */ 718 bh = drw->fonts->h + 2; 719 bh = MAX(bh,lineheight); /* make a menu line AT LEAST 'lineheight' tall */ 720 lines = MAX(lines, 0); 721 mh = (lines + 1) * bh; 722 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0; 723 #ifdef XINERAMA 724 i = 0; 725 if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) { 726 XGetInputFocus(dpy, &w, &di); 727 if (mon >= 0 && mon < n) 728 i = mon; 729 else if (w != root && w != PointerRoot && w != None) { 730 /* find top-level window containing current input focus */ 731 do { 732 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws) 733 XFree(dws); 734 } while (w != root && w != pw); 735 /* find xinerama screen with which the window intersects most */ 736 if (XGetWindowAttributes(dpy, pw, &wa)) 737 for (j = 0; j < n; j++) 738 if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) { 739 area = a; 740 i = j; 741 } 742 } 743 /* no focused window is on screen, so use pointer location instead */ 744 if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du)) 745 for (i = 0; i < n; i++) 746 if (INTERSECT(x, y, 1, 1, info[i])) 747 break; 748 749 if (centered) { 750 mw = MIN(MAX(max_textw() + promptw, min_width), info[i].width); 751 x = info[i].x_org + ((info[i].width - mw) / 2); 752 y = info[i].y_org + ((info[i].height - mh) / 2); 753 } else { 754 x = info[i].x_org; 755 y = info[i].y_org + (topbar ? 0 : info[i].height - mh); 756 mw = info[i].width; 757 } 758 759 XFree(info); 760 } else 761 #endif 762 { 763 if (!XGetWindowAttributes(dpy, parentwin, &wa)) 764 die("could not get embedding window attributes: 0x%lx", 765 parentwin); 766 767 if (centered) { 768 mw = MIN(MAX(max_textw() + promptw, min_width), wa.width); 769 x = (wa.width - mw) / 2; 770 y = (wa.height - mh) / 2; 771 } else { 772 x = 0; 773 y = topbar ? 0 : wa.height - mh; 774 mw = wa.width; 775 } 776 777 } 778 inputw = MIN(inputw, mw/3); 779 match(); 780 781 /* create menu window */ 782 swa.override_redirect = True; 783 swa.background_pixel = scheme[SchemeNorm][ColBg].pixel; 784 swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask; 785 win = XCreateWindow(dpy, parentwin, x, y, mw, mh, border_width, 786 CopyFromParent, CopyFromParent, CopyFromParent, 787 CWOverrideRedirect | CWBackPixel | CWEventMask, &swa); 788 XSetWindowBorder(dpy, win, scheme[SchemeSel][ColBg].pixel); 789 XSetClassHint(dpy, win, &ch); 790 791 792 /* input methods */ 793 if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL) 794 die("XOpenIM failed: could not open input device"); 795 796 xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, 797 XNClientWindow, win, XNFocusWindow, win, NULL); 798 799 XMapRaised(dpy, win); 800 if (embed) { 801 XSelectInput(dpy, parentwin, FocusChangeMask | SubstructureNotifyMask); 802 if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) { 803 for (i = 0; i < du && dws[i] != win; ++i) 804 XSelectInput(dpy, dws[i], FocusChangeMask); 805 XFree(dws); 806 } 807 grabfocus(); 808 } 809 drw_resize(drw, mw, mh); 810 drawmenu(); 811 } 812 813 static void 814 usage(void) 815 { 816 fputs("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n" 817 " [-h height]\n" 818 " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr); 819 exit(1); 820 } 821 822 int 823 main(int argc, char *argv[]) 824 { 825 XWindowAttributes wa; 826 int i, fast = 0; 827 828 for (i = 1; i < argc; i++) 829 /* these options take no arguments */ 830 if (!strcmp(argv[i], "-v")) { /* prints version information */ 831 puts("dmenu-"VERSION); 832 exit(0); 833 } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */ 834 topbar = 0; 835 else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */ 836 fast = 1; 837 else if (!strcmp(argv[i], "-c")) /* centers dmenu on screen */ 838 centered = 1; 839 else if (!strcmp(argv[i], "-F")) /* grabs keyboard before reading stdin */ 840 fuzzy = 0; 841 else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */ 842 fstrncmp = strncasecmp; 843 fstrstr = cistrstr; 844 } else if (!strcmp(argv[i], "-P")) /* is the input a password */ 845 passwd = 1; 846 else if (i + 1 == argc) 847 usage(); 848 /* these options take one argument */ 849 else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */ 850 lines = atoi(argv[++i]); 851 else if (!strcmp(argv[i], "-m")) 852 mon = atoi(argv[++i]); 853 else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */ 854 prompt = argv[++i]; 855 else if (!strcmp(argv[i], "-fn")) /* font or font set */ 856 fonts[0] = argv[++i]; 857 else if(!strcmp(argv[i], "-h")) { /* minimum height of one menu line */ 858 lineheight = atoi(argv[++i]); 859 lineheight = MAX(lineheight,8); /* reasonable default in case of value too small/negative */ 860 } 861 else if (!strcmp(argv[i], "-nb")) /* normal background color */ 862 colors[SchemeNorm][ColBg] = argv[++i]; 863 else if (!strcmp(argv[i], "-nf")) /* normal foreground color */ 864 colors[SchemeNorm][ColFg] = argv[++i]; 865 else if (!strcmp(argv[i], "-sb")) /* selected background color */ 866 colors[SchemeSel][ColBg] = argv[++i]; 867 else if (!strcmp(argv[i], "-sf")) /* selected foreground color */ 868 colors[SchemeSel][ColFg] = argv[++i]; 869 else if (!strcmp(argv[i], "-w")) /* embedding window id */ 870 embed = argv[++i]; 871 else 872 usage(); 873 874 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale()) 875 fputs("warning: no locale support\n", stderr); 876 if (!(dpy = XOpenDisplay(NULL))) 877 die("cannot open display"); 878 screen = DefaultScreen(dpy); 879 root = RootWindow(dpy, screen); 880 if (!embed || !(parentwin = strtol(embed, NULL, 0))) 881 parentwin = root; 882 if (!XGetWindowAttributes(dpy, parentwin, &wa)) 883 die("could not get embedding window attributes: 0x%lx", 884 parentwin); 885 drw = drw_create(dpy, screen, root, wa.width, wa.height); 886 if (!drw_fontset_create(drw, fonts, LENGTH(fonts))) 887 die("no fonts could be loaded."); 888 lrpad = drw->fonts->h; 889 890 #ifdef __OpenBSD__ 891 if (pledge("stdio rpath", NULL) == -1) 892 die("pledge"); 893 #endif 894 895 if (fast && !isatty(0)) { 896 grabkeyboard(); 897 readstdin(); 898 } else { 899 readstdin(); 900 grabkeyboard(); 901 } 902 setup(); 903 run(); 904 905 return 1; /* unreachable */ 906 }