dmenu.c.orig (20341B)
1 /* See LICENSE file for copyright and license details. */ 2 #include <ctype.h> 3 #include <locale.h> 4 #include <stdio.h> 5 #include <stdlib.h> 6 #include <string.h> 7 #include <strings.h> 8 #include <time.h> 9 #include <unistd.h> 10 11 #include <X11/Xlib.h> 12 #include <X11/Xatom.h> 13 #include <X11/Xutil.h> 14 #ifdef XINERAMA 15 #include <X11/extensions/Xinerama.h> 16 #endif 17 #include <X11/Xft/Xft.h> 18 19 #include "drw.h" 20 #include "util.h" 21 22 /* macros */ 23 #define INTERSECT(x,y,w,h,r) (MAX(0, MIN((x)+(w),(r).x_org+(r).width) - MAX((x),(r).x_org)) \ 24 * MAX(0, MIN((y)+(h),(r).y_org+(r).height) - MAX((y),(r).y_org))) 25 #define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad) 26 27 /* enums */ 28 enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */ 29 30 struct item { 31 char *text; 32 struct item *left, *right; 33 int out; 34 }; 35 36 static char text[BUFSIZ] = ""; 37 static char *embed; 38 static int bh, mw, mh; 39 static int inputw = 0, promptw; 40 static int lrpad; /* sum of left and right padding */ 41 static size_t cursor; 42 static struct item *items = NULL; 43 static struct item *matches, *matchend; 44 static struct item *prev, *curr, *next, *sel; 45 static int mon = -1, screen; 46 47 static Atom clip, utf8; 48 static Display *dpy; 49 static Window root, parentwin, win; 50 static XIC xic; 51 52 static Drw *drw; 53 static Clr *scheme[SchemeLast]; 54 55 #include "config.h" 56 57 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp; 58 static char *(*fstrstr)(const char *, const char *) = strstr; 59 60 static unsigned int 61 textw_clamp(const char *str, unsigned int n) 62 { 63 unsigned int w = drw_fontset_getwidth_clamp(drw, str, n) + lrpad; 64 return MIN(w, n); 65 } 66 67 static void 68 appenditem(struct item *item, struct item **list, struct item **last) 69 { 70 if (*last) 71 (*last)->right = item; 72 else 73 *list = item; 74 75 item->left = *last; 76 item->right = NULL; 77 *last = item; 78 } 79 80 static void 81 calcoffsets(void) 82 { 83 int i, n; 84 85 if (lines > 0) 86 n = lines * bh; 87 else 88 n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">")); 89 /* calculate which items will begin the next page and previous page */ 90 for (i = 0, next = curr; next; next = next->right) 91 if ((i += (lines > 0) ? bh : textw_clamp(next->text, n)) > n) 92 break; 93 for (i = 0, prev = curr; prev && prev->left; prev = prev->left) 94 if ((i += (lines > 0) ? bh : textw_clamp(prev->left->text, n)) > n) 95 break; 96 } 97 98 static int 99 max_textw(void) 100 { 101 int len = 0; 102 for (struct item *item = items; item && item->text; item++) 103 len = MAX(TEXTW(item->text), len); 104 return len; 105 } 106 107 static void 108 cleanup(void) 109 { 110 size_t i; 111 112 XUngrabKey(dpy, AnyKey, AnyModifier, root); 113 for (i = 0; i < SchemeLast; i++) 114 free(scheme[i]); 115 for (i = 0; items && items[i].text; ++i) 116 free(items[i].text); 117 free(items); 118 drw_free(drw); 119 XSync(dpy, False); 120 XCloseDisplay(dpy); 121 } 122 123 static char * 124 cistrstr(const char *h, const char *n) 125 { 126 size_t i; 127 128 if (!n[0]) 129 return (char *)h; 130 131 for (; *h; ++h) { 132 for (i = 0; n[i] && tolower((unsigned char)n[i]) == 133 tolower((unsigned char)h[i]); ++i) 134 ; 135 if (n[i] == '\0') 136 return (char *)h; 137 } 138 return NULL; 139 } 140 141 static int 142 drawitem(struct item *item, int x, int y, int w) 143 { 144 if (item == sel) 145 drw_setscheme(drw, scheme[SchemeSel]); 146 else if (item->out) 147 drw_setscheme(drw, scheme[SchemeOut]); 148 else 149 drw_setscheme(drw, scheme[SchemeNorm]); 150 151 return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0); 152 } 153 154 static void 155 drawmenu(void) 156 { 157 unsigned int curpos; 158 struct item *item; 159 int x = 0, y = 0, w; 160 161 drw_setscheme(drw, scheme[SchemeNorm]); 162 drw_rect(drw, 0, 0, mw, mh, 1, 1); 163 164 if (prompt && *prompt) { 165 drw_setscheme(drw, scheme[SchemeSel]); 166 x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0); 167 } 168 /* draw input field */ 169 w = (lines > 0 || !matches) ? mw - x : inputw; 170 drw_setscheme(drw, scheme[SchemeNorm]); 171 drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0); 172 173 curpos = TEXTW(text) - TEXTW(&text[cursor]); 174 if ((curpos += lrpad / 2 - 1) < w) { 175 drw_setscheme(drw, scheme[SchemeNorm]); 176 drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0); 177 } 178 179 if (lines > 0) { 180 /* draw vertical list */ 181 for (item = curr; item != next; item = item->right) 182 drawitem(item, x, y += bh, mw - x); 183 } else if (matches) { 184 /* draw horizontal list */ 185 x += inputw; 186 w = TEXTW("<"); 187 if (curr->left) { 188 drw_setscheme(drw, scheme[SchemeNorm]); 189 drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0); 190 } 191 x += w; 192 for (item = curr; item != next; item = item->right) 193 x = drawitem(item, x, 0, textw_clamp(item->text, mw - x - TEXTW(">"))); 194 if (next) { 195 w = TEXTW(">"); 196 drw_setscheme(drw, scheme[SchemeNorm]); 197 drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0); 198 } 199 } 200 drw_map(drw, win, 0, 0, mw, mh); 201 } 202 203 static void 204 grabfocus(void) 205 { 206 struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 }; 207 Window focuswin; 208 int i, revertwin; 209 210 for (i = 0; i < 100; ++i) { 211 XGetInputFocus(dpy, &focuswin, &revertwin); 212 if (focuswin == win) 213 return; 214 XSetInputFocus(dpy, win, RevertToParent, CurrentTime); 215 nanosleep(&ts, NULL); 216 } 217 die("cannot grab focus"); 218 } 219 220 static void 221 grabkeyboard(void) 222 { 223 struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; 224 int i; 225 226 if (embed) 227 return; 228 /* try to grab keyboard, we may have to wait for another process to ungrab */ 229 for (i = 0; i < 1000; i++) { 230 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync, 231 GrabModeAsync, CurrentTime) == GrabSuccess) 232 return; 233 nanosleep(&ts, NULL); 234 } 235 die("cannot grab keyboard"); 236 } 237 238 static void 239 match(void) 240 { 241 static char **tokv = NULL; 242 static int tokn = 0; 243 244 char buf[sizeof text], *s; 245 int i, tokc = 0; 246 size_t len, textsize; 247 struct item *item, *lprefix, *lsubstr, *prefixend, *substrend; 248 249 strcpy(buf, text); 250 /* separate input text into tokens to be matched individually */ 251 for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " ")) 252 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv))) 253 die("cannot realloc %zu bytes:", tokn * sizeof *tokv); 254 len = tokc ? strlen(tokv[0]) : 0; 255 256 matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL; 257 textsize = strlen(text) + 1; 258 for (item = items; item && item->text; item++) { 259 for (i = 0; i < tokc; i++) 260 if (!fstrstr(item->text, tokv[i])) 261 break; 262 if (i != tokc) /* not all tokens match */ 263 continue; 264 /* exact matches go first, then prefixes, then substrings */ 265 if (!tokc || !fstrncmp(text, item->text, textsize)) 266 appenditem(item, &matches, &matchend); 267 else if (!fstrncmp(tokv[0], item->text, len)) 268 appenditem(item, &lprefix, &prefixend); 269 else 270 appenditem(item, &lsubstr, &substrend); 271 } 272 if (lprefix) { 273 if (matches) { 274 matchend->right = lprefix; 275 lprefix->left = matchend; 276 } else 277 matches = lprefix; 278 matchend = prefixend; 279 } 280 if (lsubstr) { 281 if (matches) { 282 matchend->right = lsubstr; 283 lsubstr->left = matchend; 284 } else 285 matches = lsubstr; 286 matchend = substrend; 287 } 288 curr = sel = matches; 289 calcoffsets(); 290 } 291 292 static void 293 insert(const char *str, ssize_t n) 294 { 295 if (strlen(text) + n > sizeof text - 1) 296 return; 297 /* move existing text out of the way, insert new text, and update cursor */ 298 memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0)); 299 if (n > 0) 300 memcpy(&text[cursor], str, n); 301 cursor += n; 302 match(); 303 } 304 305 static size_t 306 nextrune(int inc) 307 { 308 ssize_t n; 309 310 /* return location of next utf8 rune in the given direction (+1 or -1) */ 311 for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc) 312 ; 313 return n; 314 } 315 316 static void 317 movewordedge(int dir) 318 { 319 if (dir < 0) { /* move cursor to the start of the word*/ 320 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) 321 cursor = nextrune(-1); 322 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) 323 cursor = nextrune(-1); 324 } else { /* move cursor to the end of the word */ 325 while (text[cursor] && strchr(worddelimiters, text[cursor])) 326 cursor = nextrune(+1); 327 while (text[cursor] && !strchr(worddelimiters, text[cursor])) 328 cursor = nextrune(+1); 329 } 330 } 331 332 static void 333 keypress(XKeyEvent *ev) 334 { 335 char buf[64]; 336 int len; 337 KeySym ksym = NoSymbol; 338 Status status; 339 340 len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status); 341 switch (status) { 342 default: /* XLookupNone, XBufferOverflow */ 343 return; 344 case XLookupChars: /* composed string from input method */ 345 goto insert; 346 case XLookupKeySym: 347 case XLookupBoth: /* a KeySym and a string are returned: use keysym */ 348 break; 349 } 350 351 if (ev->state & ControlMask) { 352 switch(ksym) { 353 case XK_a: ksym = XK_Home; break; 354 case XK_b: ksym = XK_Left; break; 355 case XK_c: ksym = XK_Escape; break; 356 case XK_d: ksym = XK_Delete; break; 357 case XK_e: ksym = XK_End; break; 358 case XK_f: ksym = XK_Right; break; 359 case XK_g: ksym = XK_Escape; break; 360 case XK_h: ksym = XK_BackSpace; break; 361 case XK_i: ksym = XK_Tab; break; 362 case XK_j: /* fallthrough */ 363 case XK_J: /* fallthrough */ 364 case XK_m: /* fallthrough */ 365 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break; 366 case XK_n: ksym = XK_Down; break; 367 case XK_p: ksym = XK_Up; break; 368 369 case XK_k: /* delete right */ 370 text[cursor] = '\0'; 371 match(); 372 break; 373 case XK_u: /* delete left */ 374 insert(NULL, 0 - cursor); 375 break; 376 case XK_w: /* delete word */ 377 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) 378 insert(NULL, nextrune(-1) - cursor); 379 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) 380 insert(NULL, nextrune(-1) - cursor); 381 break; 382 case XK_y: /* paste selection */ 383 case XK_Y: 384 XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY, 385 utf8, utf8, win, CurrentTime); 386 return; 387 case XK_Left: 388 case XK_KP_Left: 389 movewordedge(-1); 390 goto draw; 391 case XK_Right: 392 case XK_KP_Right: 393 movewordedge(+1); 394 goto draw; 395 case XK_Return: 396 case XK_KP_Enter: 397 break; 398 case XK_bracketleft: 399 cleanup(); 400 exit(1); 401 default: 402 return; 403 } 404 } else if (ev->state & Mod1Mask) { 405 switch(ksym) { 406 case XK_b: 407 movewordedge(-1); 408 goto draw; 409 case XK_f: 410 movewordedge(+1); 411 goto draw; 412 case XK_g: ksym = XK_Home; break; 413 case XK_G: ksym = XK_End; break; 414 case XK_h: ksym = XK_Up; break; 415 case XK_j: ksym = XK_Next; break; 416 case XK_k: ksym = XK_Prior; break; 417 case XK_l: ksym = XK_Down; break; 418 default: 419 return; 420 } 421 } 422 423 switch(ksym) { 424 default: 425 insert: 426 if (!iscntrl((unsigned char)*buf)) 427 insert(buf, len); 428 break; 429 case XK_Delete: 430 case XK_KP_Delete: 431 if (text[cursor] == '\0') 432 return; 433 cursor = nextrune(+1); 434 /* fallthrough */ 435 case XK_BackSpace: 436 if (cursor == 0) 437 return; 438 insert(NULL, nextrune(-1) - cursor); 439 break; 440 case XK_End: 441 case XK_KP_End: 442 if (text[cursor] != '\0') { 443 cursor = strlen(text); 444 break; 445 } 446 if (next) { 447 /* jump to end of list and position items in reverse */ 448 curr = matchend; 449 calcoffsets(); 450 curr = prev; 451 calcoffsets(); 452 while (next && (curr = curr->right)) 453 calcoffsets(); 454 } 455 sel = matchend; 456 break; 457 case XK_Escape: 458 cleanup(); 459 exit(1); 460 case XK_Home: 461 case XK_KP_Home: 462 if (sel == matches) { 463 cursor = 0; 464 break; 465 } 466 sel = curr = matches; 467 calcoffsets(); 468 break; 469 case XK_Left: 470 case XK_KP_Left: 471 if (cursor > 0 && (!sel || !sel->left || lines > 0)) { 472 cursor = nextrune(-1); 473 break; 474 } 475 if (lines > 0) 476 return; 477 /* fallthrough */ 478 case XK_Up: 479 case XK_KP_Up: 480 if (sel && sel->left && (sel = sel->left)->right == curr) { 481 curr = prev; 482 calcoffsets(); 483 } 484 break; 485 case XK_Next: 486 case XK_KP_Next: 487 if (!next) 488 return; 489 sel = curr = next; 490 calcoffsets(); 491 break; 492 case XK_Prior: 493 case XK_KP_Prior: 494 if (!prev) 495 return; 496 sel = curr = prev; 497 calcoffsets(); 498 break; 499 case XK_Return: 500 case XK_KP_Enter: 501 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text); 502 if (!(ev->state & ControlMask)) { 503 cleanup(); 504 exit(0); 505 } 506 if (sel) 507 sel->out = 1; 508 break; 509 case XK_Right: 510 case XK_KP_Right: 511 if (text[cursor] != '\0') { 512 cursor = nextrune(+1); 513 break; 514 } 515 if (lines > 0) 516 return; 517 /* fallthrough */ 518 case XK_Down: 519 case XK_KP_Down: 520 if (sel && sel->right && (sel = sel->right) == next) { 521 curr = next; 522 calcoffsets(); 523 } 524 break; 525 case XK_Tab: 526 if (!sel) 527 return; 528 cursor = strnlen(sel->text, sizeof text - 1); 529 memcpy(text, sel->text, cursor); 530 text[cursor] = '\0'; 531 match(); 532 break; 533 } 534 535 draw: 536 drawmenu(); 537 } 538 539 static void 540 paste(void) 541 { 542 char *p, *q; 543 int di; 544 unsigned long dl; 545 Atom da; 546 547 /* we have been given the current selection, now insert it into input */ 548 if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False, 549 utf8, &da, &di, &dl, &dl, (unsigned char **)&p) 550 == Success && p) { 551 insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p)); 552 XFree(p); 553 } 554 drawmenu(); 555 } 556 557 static void 558 readstdin(void) 559 { 560 char *line = NULL; 561 size_t i, itemsiz = 0, linesiz = 0; 562 ssize_t len; 563 564 /* read each line from stdin and add it to the item list */ 565 for (i = 0; (len = getline(&line, &linesiz, stdin)) != -1; i++) { 566 if (i + 1 >= itemsiz) { 567 itemsiz += 256; 568 if (!(items = realloc(items, itemsiz * sizeof(*items)))) 569 die("cannot realloc %zu bytes:", itemsiz * sizeof(*items)); 570 } 571 if (line[len - 1] == '\n') 572 line[len - 1] = '\0'; 573 if (!(items[i].text = strdup(line))) 574 die("strdup:"); 575 576 items[i].out = 0; 577 } 578 free(line); 579 if (items) 580 items[i].text = NULL; 581 lines = MIN(lines, i); 582 } 583 584 static void 585 run(void) 586 { 587 XEvent ev; 588 589 while (!XNextEvent(dpy, &ev)) { 590 if (XFilterEvent(&ev, win)) 591 continue; 592 switch(ev.type) { 593 case DestroyNotify: 594 if (ev.xdestroywindow.window != win) 595 break; 596 cleanup(); 597 exit(1); 598 case Expose: 599 if (ev.xexpose.count == 0) 600 drw_map(drw, win, 0, 0, mw, mh); 601 break; 602 case FocusIn: 603 /* regrab focus from parent window */ 604 if (ev.xfocus.window != win) 605 grabfocus(); 606 break; 607 case KeyPress: 608 keypress(&ev.xkey); 609 break; 610 case SelectionNotify: 611 if (ev.xselection.property == utf8) 612 paste(); 613 break; 614 case VisibilityNotify: 615 if (ev.xvisibility.state != VisibilityUnobscured) 616 XRaiseWindow(dpy, win); 617 break; 618 } 619 } 620 } 621 622 static void 623 setup(void) 624 { 625 int x, y, i, j; 626 unsigned int du; 627 XSetWindowAttributes swa; 628 XIM xim; 629 Window w, dw, *dws; 630 XWindowAttributes wa; 631 XClassHint ch = {"dmenu", "dmenu"}; 632 #ifdef XINERAMA 633 XineramaScreenInfo *info; 634 Window pw; 635 int a, di, n, area = 0; 636 #endif 637 /* init appearance */ 638 for (j = 0; j < SchemeLast; j++) 639 scheme[j] = drw_scm_create(drw, colors[j], 2); 640 641 clip = XInternAtom(dpy, "CLIPBOARD", False); 642 utf8 = XInternAtom(dpy, "UTF8_STRING", False); 643 644 /* calculate menu geometry */ 645 bh = drw->fonts->h + 2; 646 lines = MAX(lines, 0); 647 mh = (lines + 1) * bh; 648 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0; 649 #ifdef XINERAMA 650 i = 0; 651 if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) { 652 XGetInputFocus(dpy, &w, &di); 653 if (mon >= 0 && mon < n) 654 i = mon; 655 else if (w != root && w != PointerRoot && w != None) { 656 /* find top-level window containing current input focus */ 657 do { 658 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws) 659 XFree(dws); 660 } while (w != root && w != pw); 661 /* find xinerama screen with which the window intersects most */ 662 if (XGetWindowAttributes(dpy, pw, &wa)) 663 for (j = 0; j < n; j++) 664 if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) { 665 area = a; 666 i = j; 667 } 668 } 669 /* no focused window is on screen, so use pointer location instead */ 670 if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du)) 671 for (i = 0; i < n; i++) 672 if (INTERSECT(x, y, 1, 1, info[i]) != 0) 673 break; 674 675 if (centered) { 676 mw = MIN(MAX(max_textw() + promptw, min_width), info[i].width); 677 x = info[i].x_org + ((info[i].width - mw) / 2); 678 y = info[i].y_org + ((info[i].height - mh) / 2); 679 } else { 680 x = info[i].x_org; 681 y = info[i].y_org + (topbar ? 0 : info[i].height - mh); 682 mw = info[i].width; 683 } 684 685 XFree(info); 686 } else 687 #endif 688 { 689 if (!XGetWindowAttributes(dpy, parentwin, &wa)) 690 die("could not get embedding window attributes: 0x%lx", 691 parentwin); 692 693 if (centered) { 694 mw = MIN(MAX(max_textw() + promptw, min_width), wa.width); 695 x = (wa.width - mw) / 2; 696 y = (wa.height - mh) / 2; 697 } else { 698 x = 0; 699 y = topbar ? 0 : wa.height - mh; 700 mw = wa.width; 701 } 702 } 703 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0; 704 inputw = mw / 3; /* input width: ~33% of monitor width */ 705 match(); 706 707 /* create menu window */ 708 swa.override_redirect = True; 709 swa.background_pixel = scheme[SchemeNorm][ColBg].pixel; 710 swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask; 711 win = XCreateWindow(dpy, root, x, y/2, mw, mh, border_width, 712 CopyFromParent, CopyFromParent, CopyFromParent, 713 CWOverrideRedirect | CWBackPixel | CWEventMask, &swa); 714 if (border_width) 715 XSetWindowBorder(dpy, win, scheme[SchemeOut][ColFg].pixel); 716 XSetClassHint(dpy, win, &ch); 717 718 719 /* input methods */ 720 if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL) 721 die("XOpenIM failed: could not open input device"); 722 723 xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, 724 XNClientWindow, win, XNFocusWindow, win, NULL); 725 726 XMapRaised(dpy, win); 727 if (embed) { 728 XReparentWindow(dpy, win, parentwin, x, y); 729 XSelectInput(dpy, parentwin, FocusChangeMask | SubstructureNotifyMask); 730 if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) { 731 for (i = 0; i < du && dws[i] != win; ++i) 732 XSelectInput(dpy, dws[i], FocusChangeMask); 733 XFree(dws); 734 } 735 grabfocus(); 736 } 737 drw_resize(drw, mw, mh); 738 drawmenu(); 739 } 740 741 static void 742 usage(void) 743 { 744 die("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n" 745 " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]"); 746 } 747 748 int 749 main(int argc, char *argv[]) 750 { 751 XWindowAttributes wa; 752 int i, fast = 0; 753 754 for (i = 1; i < argc; i++) 755 /* these options take no arguments */ 756 if (!strcmp(argv[i], "-v")) { /* prints version information */ 757 puts("dmenu-"VERSION); 758 exit(0); 759 } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */ 760 topbar = 0; 761 else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */ 762 fast = 1; 763 else if (!strcmp(argv[i], "-c")) /* centers dmenu on screen */ 764 centered = 1; 765 else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */ 766 fstrncmp = strncasecmp; 767 fstrstr = cistrstr; 768 } else if (i + 1 == argc) 769 usage(); 770 /* these options take one argument */ 771 else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */ 772 lines = atoi(argv[++i]); 773 else if (!strcmp(argv[i], "-m")) 774 mon = atoi(argv[++i]); 775 else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */ 776 prompt = argv[++i]; 777 else if (!strcmp(argv[i], "-fn")) /* font or font set */ 778 fonts[0] = argv[++i]; 779 else if (!strcmp(argv[i], "-nb")) /* normal background color */ 780 colors[SchemeNorm][ColBg] = argv[++i]; 781 else if (!strcmp(argv[i], "-nf")) /* normal foreground color */ 782 colors[SchemeNorm][ColFg] = argv[++i]; 783 else if (!strcmp(argv[i], "-sb")) /* selected background color */ 784 colors[SchemeSel][ColBg] = argv[++i]; 785 else if (!strcmp(argv[i], "-sf")) /* selected foreground color */ 786 colors[SchemeSel][ColFg] = argv[++i]; 787 else if (!strcmp(argv[i], "-w")) /* embedding window id */ 788 embed = argv[++i]; 789 else if (!strcmp(argv[i], "-bw")) 790 border_width = atoi(argv[++i]); /* border width */ 791 else 792 usage(); 793 794 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale()) 795 fputs("warning: no locale support\n", stderr); 796 if (!(dpy = XOpenDisplay(NULL))) 797 die("cannot open display"); 798 screen = DefaultScreen(dpy); 799 root = RootWindow(dpy, screen); 800 if (!embed || !(parentwin = strtol(embed, NULL, 0))) 801 parentwin = root; 802 if (!XGetWindowAttributes(dpy, parentwin, &wa)) 803 die("could not get embedding window attributes: 0x%lx", 804 parentwin); 805 drw = drw_create(dpy, screen, root, wa.width, wa.height); 806 if (!drw_fontset_create(drw, fonts, LENGTH(fonts))) 807 die("no fonts could be loaded."); 808 lrpad = drw->fonts->h; 809 810 #ifdef __OpenBSD__ 811 if (pledge("stdio rpath", NULL) == -1) 812 die("pledge"); 813 #endif 814 815 if (fast && !isatty(0)) { 816 grabkeyboard(); 817 readstdin(); 818 } else { 819 readstdin(); 820 grabkeyboard(); 821 } 822 setup(); 823 run(); 824 825 return 1; /* unreachable */ 826 }