birdmenu.c (25104B)
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 #include <X11/Xresource.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 /* define opaqueness */ 30 #define OPAQUE 0xFFU 31 32 /* enums */ 33 enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */ 34 35 struct item { 36 char *text; 37 struct item *left, *right; 38 int out; 39 }; 40 41 static char text[BUFSIZ] = ""; 42 static char *embed; 43 static int bh, mw, mh; 44 static int inputw = 0, promptw, passwd = 0; 45 static int lrpad; /* sum of left and right padding */ 46 static int reject_no_match = 0; 47 static size_t cursor; 48 static struct item *items = NULL; 49 static struct item *matches, *matchend; 50 static struct item *prev, *curr, *next, *sel; 51 static int mon = -1, screen; 52 53 static Atom clip, utf8; 54 static Display *dpy; 55 static Window root, parentwin, win; 56 static XIC xic; 57 58 static Drw *drw; 59 static int usergb = 0; 60 static Visual *visual; 61 static int depth; 62 static Colormap cmap; 63 static Clr *scheme[SchemeLast]; 64 65 #include "config.h" 66 67 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp; 68 static char *(*fstrstr)(const char *, const char *) = strstr; 69 70 71 static void 72 xinitvisual() 73 { 74 XVisualInfo *infos; 75 XRenderPictFormat *fmt; 76 int nitems; 77 int i; 78 79 XVisualInfo tpl = { 80 .screen = screen, 81 .depth = 32, 82 .class = TrueColor 83 }; 84 85 long masks = VisualScreenMask | VisualDepthMask | VisualClassMask; 86 87 infos = XGetVisualInfo(dpy, masks, &tpl, &nitems); 88 visual = NULL; 89 90 for (i = 0; i < nitems; i++){ 91 fmt = XRenderFindVisualFormat(dpy, infos[i].visual); 92 if (fmt->type == PictTypeDirect && fmt->direct.alphaMask) { 93 visual = infos[i].visual; 94 depth = infos[i].depth; 95 cmap = XCreateColormap(dpy, root, visual, AllocNone); 96 usergb = 1; 97 break; 98 } 99 } 100 101 XFree(infos); 102 103 if (! visual) { 104 visual = DefaultVisual(dpy, screen); 105 depth = DefaultDepth(dpy, screen); 106 cmap = DefaultColormap(dpy, screen); 107 } 108 } 109 110 static void 111 appenditem(struct item *item, struct item **list, struct item **last) 112 { 113 if (*last) 114 (*last)->right = item; 115 else 116 *list = item; 117 118 item->left = *last; 119 item->right = NULL; 120 *last = item; 121 } 122 123 static void 124 calcoffsets(void) 125 { 126 int i, n; 127 128 if (lines > 0) 129 n = lines * bh; 130 else 131 n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">")); 132 /* calculate which items will begin the next page and previous page */ 133 for (i = 0, next = curr; next; next = next->right) 134 if ((i += (lines > 0) ? bh : MIN(TEXTW(next->text), n)) > n) 135 break; 136 for (i = 0, prev = curr; prev && prev->left; prev = prev->left) 137 if ((i += (lines > 0) ? bh : MIN(TEXTW(prev->left->text), n)) > n) 138 break; 139 } 140 141 static int 142 max_textw(void) 143 { 144 int len = 0; 145 for (struct item *item = items; item && item->text; item++) 146 len = MAX(TEXTW(item->text), len); 147 return len; 148 } 149 150 static void 151 cleanup(void) 152 { 153 size_t i; 154 155 XUngrabKey(dpy, AnyKey, AnyModifier, root); 156 for (i = 0; i < SchemeLast; i++) 157 free(scheme[i]); 158 drw_free(drw); 159 XSync(dpy, False); 160 XCloseDisplay(dpy); 161 } 162 163 static char * 164 cistrstr(const char *s, const char *sub) 165 { 166 size_t len; 167 168 for (len = strlen(sub); *s; s++) 169 if (!strncasecmp(s, sub, len)) 170 return (char *)s; 171 return NULL; 172 } 173 174 static int 175 drawitem(struct item *item, int x, int y, int w) 176 { 177 if (item == sel) 178 drw_setscheme(drw, scheme[SchemeSel]); 179 else if (item->out) 180 drw_setscheme(drw, scheme[SchemeOut]); 181 else 182 drw_setscheme(drw, scheme[SchemeNorm]); 183 184 return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0); 185 } 186 187 static void 188 drawmenu(void) 189 { 190 unsigned int curpos; 191 struct item *item; 192 int x = 0, y = 0, w; 193 char *censort; 194 195 drw_setscheme(drw, scheme[SchemeNorm]); 196 drw_rect(drw, 0, 0, mw, mh, 1, 1); 197 198 if (prompt && *prompt) { 199 drw_setscheme(drw, scheme[SchemeSel]); 200 x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0); 201 } 202 /* draw input field */ 203 w = (lines > 0 || !matches) ? mw - x : inputw; 204 drw_setscheme(drw, scheme[SchemeNorm]); 205 if (passwd) { 206 censort = ecalloc(1, sizeof(text)); 207 memset(censort, '.', strlen(text)); 208 drw_text(drw, x, 0, w, bh, lrpad / 2, censort, 0); 209 free(censort); 210 } else drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0); 211 212 curpos = TEXTW(text) - TEXTW(&text[cursor]); 213 if ((curpos += lrpad / 2 - 1) < w) { 214 drw_setscheme(drw, scheme[SchemeNorm]); 215 drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0); 216 } 217 218 if (lines > 0) { 219 /* draw vertical list */ 220 for (item = curr; item != next; item = item->right) 221 drawitem(item, x, y += bh, mw - x); 222 } else if (matches) { 223 /* draw horizontal list */ 224 x += inputw; 225 w = TEXTW("<"); 226 if (curr->left) { 227 drw_setscheme(drw, scheme[SchemeNorm]); 228 drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0); 229 } 230 x += w; 231 for (item = curr; item != next; item = item->right) 232 x = drawitem(item, x, 0, MIN(TEXTW(item->text), mw - x - TEXTW(">"))); 233 if (next) { 234 w = TEXTW(">"); 235 drw_setscheme(drw, scheme[SchemeNorm]); 236 drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0); 237 } 238 } 239 drw_map(drw, win, 0, 0, mw, mh); 240 } 241 242 static void 243 grabfocus(void) 244 { 245 struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 }; 246 Window focuswin; 247 int i, revertwin; 248 249 for (i = 0; i < 100; ++i) { 250 XGetInputFocus(dpy, &focuswin, &revertwin); 251 if (focuswin == win) 252 return; 253 XSetInputFocus(dpy, win, RevertToParent, CurrentTime); 254 nanosleep(&ts, NULL); 255 } 256 die("cannot grab focus"); 257 } 258 259 static void 260 grabkeyboard(void) 261 { 262 struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; 263 int i; 264 265 if (embed) 266 return; 267 /* try to grab keyboard, we may have to wait for another process to ungrab */ 268 for (i = 0; i < 1000; i++) { 269 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync, 270 GrabModeAsync, CurrentTime) == GrabSuccess) 271 return; 272 nanosleep(&ts, NULL); 273 } 274 die("cannot grab keyboard"); 275 } 276 277 static void 278 match(void) 279 { 280 static char **tokv = NULL; 281 static int tokn = 0; 282 283 char buf[sizeof text], *s; 284 int i, tokc = 0; 285 size_t len, textsize; 286 struct item *item, *lprefix, *lsubstr, *prefixend, *substrend; 287 288 strcpy(buf, text); 289 /* separate input text into tokens to be matched individually */ 290 for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " ")) 291 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv))) 292 die("cannot realloc %u bytes:", tokn * sizeof *tokv); 293 len = tokc ? strlen(tokv[0]) : 0; 294 295 matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL; 296 textsize = strlen(text) + 1; 297 for (item = items; item && item->text; item++) { 298 for (i = 0; i < tokc; i++) 299 if (!fstrstr(item->text, tokv[i])) 300 break; 301 if (i != tokc) /* not all tokens match */ 302 continue; 303 /* exact matches go first, then prefixes, then substrings */ 304 if (!tokc || !fstrncmp(text, item->text, textsize)) 305 appenditem(item, &matches, &matchend); 306 else if (!fstrncmp(tokv[0], item->text, len)) 307 appenditem(item, &lprefix, &prefixend); 308 else 309 appenditem(item, &lsubstr, &substrend); 310 } 311 if (lprefix) { 312 if (matches) { 313 matchend->right = lprefix; 314 lprefix->left = matchend; 315 } else 316 matches = lprefix; 317 matchend = prefixend; 318 } 319 if (lsubstr) { 320 if (matches) { 321 matchend->right = lsubstr; 322 lsubstr->left = matchend; 323 } else 324 matches = lsubstr; 325 matchend = substrend; 326 } 327 curr = sel = matches; 328 calcoffsets(); 329 } 330 331 static void 332 insert(const char *str, ssize_t n) 333 { 334 if (strlen(text) + n > sizeof text - 1) 335 return; 336 337 static char last[BUFSIZ] = ""; 338 if(reject_no_match) { 339 /* store last text value in case we need to revert it */ 340 memcpy(last, text, BUFSIZ); 341 } 342 343 /* move existing text out of the way, insert new text, and update cursor */ 344 memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0)); 345 if (n > 0) 346 memcpy(&text[cursor], str, n); 347 cursor += n; 348 match(); 349 350 if(!matches && reject_no_match) { 351 /* revert to last text value if theres no match */ 352 memcpy(text, last, BUFSIZ); 353 cursor -= n; 354 match(); 355 } 356 } 357 358 static size_t 359 nextrune(int inc) 360 { 361 ssize_t n; 362 363 /* return location of next utf8 rune in the given direction (+1 or -1) */ 364 for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc) 365 ; 366 return n; 367 } 368 369 static void 370 movewordedge(int dir) 371 { 372 if (dir < 0) { /* move cursor to the start of the word*/ 373 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) 374 cursor = nextrune(-1); 375 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) 376 cursor = nextrune(-1); 377 } else { /* move cursor to the end of the word */ 378 while (text[cursor] && strchr(worddelimiters, text[cursor])) 379 cursor = nextrune(+1); 380 while (text[cursor] && !strchr(worddelimiters, text[cursor])) 381 cursor = nextrune(+1); 382 } 383 } 384 385 static void 386 keypress(XKeyEvent *ev) 387 { 388 char buf[32]; 389 int len; 390 KeySym ksym; 391 Status status; 392 393 len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status); 394 switch (status) { 395 default: /* XLookupNone, XBufferOverflow */ 396 return; 397 case XLookupChars: 398 goto insert; 399 case XLookupKeySym: 400 case XLookupBoth: 401 break; 402 } 403 404 if (ev->state & ControlMask) { 405 switch(ksym) { 406 case XK_a: ksym = XK_Home; break; 407 case XK_b: ksym = XK_Left; break; 408 case XK_c: ksym = XK_Escape; break; 409 case XK_d: ksym = XK_Delete; break; 410 case XK_e: ksym = XK_End; break; 411 case XK_f: ksym = XK_Right; break; 412 case XK_g: ksym = XK_Escape; break; 413 case XK_h: ksym = XK_BackSpace; break; 414 case XK_i: ksym = XK_Tab; break; 415 case XK_j: /* fallthrough */ 416 case XK_J: /* fallthrough */ 417 case XK_m: /* fallthrough */ 418 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break; 419 case XK_n: ksym = XK_Down; break; 420 case XK_p: ksym = XK_Up; break; 421 422 case XK_k: /* delete right */ 423 text[cursor] = '\0'; 424 match(); 425 break; 426 case XK_u: /* delete left */ 427 insert(NULL, 0 - cursor); 428 break; 429 case XK_w: /* delete word */ 430 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) 431 insert(NULL, nextrune(-1) - cursor); 432 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) 433 insert(NULL, nextrune(-1) - cursor); 434 break; 435 case XK_y: /* paste selection */ 436 case XK_Y: 437 XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY, 438 utf8, utf8, win, CurrentTime); 439 return; 440 case XK_Left: 441 movewordedge(-1); 442 goto draw; 443 case XK_Right: 444 movewordedge(+1); 445 goto draw; 446 case XK_Return: 447 case XK_KP_Enter: 448 break; 449 case XK_bracketleft: 450 cleanup(); 451 exit(1); 452 default: 453 return; 454 } 455 } else if (ev->state & Mod1Mask) { 456 switch(ksym) { 457 case XK_b: 458 movewordedge(-1); 459 goto draw; 460 case XK_f: 461 movewordedge(+1); 462 goto draw; 463 case XK_g: ksym = XK_Home; break; 464 case XK_G: ksym = XK_End; break; 465 case XK_h: ksym = XK_Up; break; 466 case XK_j: ksym = XK_Next; break; 467 case XK_k: ksym = XK_Prior; break; 468 case XK_l: ksym = XK_Down; break; 469 default: 470 return; 471 } 472 } 473 474 switch(ksym) { 475 default: 476 insert: 477 if (!iscntrl(*buf)) 478 insert(buf, len); 479 break; 480 case XK_Delete: 481 if (text[cursor] == '\0') 482 return; 483 cursor = nextrune(+1); 484 /* fallthrough */ 485 case XK_BackSpace: 486 if (cursor == 0) 487 return; 488 insert(NULL, nextrune(-1) - cursor); 489 break; 490 case XK_End: 491 if (text[cursor] != '\0') { 492 cursor = strlen(text); 493 break; 494 } 495 if (next) { 496 /* jump to end of list and position items in reverse */ 497 curr = matchend; 498 calcoffsets(); 499 curr = prev; 500 calcoffsets(); 501 while (next && (curr = curr->right)) 502 calcoffsets(); 503 } 504 sel = matchend; 505 break; 506 case XK_Escape: 507 cleanup(); 508 exit(1); 509 case XK_Home: 510 if (sel == matches) { 511 cursor = 0; 512 break; 513 } 514 sel = curr = matches; 515 calcoffsets(); 516 break; 517 case XK_Left: 518 if (cursor > 0 && (!sel || !sel->left || lines > 0)) { 519 cursor = nextrune(-1); 520 break; 521 } 522 if (lines > 0) 523 return; 524 /* fallthrough */ 525 case XK_Up: 526 if (sel && sel->left && (sel = sel->left)->right == curr) { 527 curr = prev; 528 calcoffsets(); 529 } 530 break; 531 case XK_Next: 532 if (!next) 533 return; 534 sel = curr = next; 535 calcoffsets(); 536 break; 537 case XK_Prior: 538 if (!prev) 539 return; 540 sel = curr = prev; 541 calcoffsets(); 542 break; 543 case XK_Return: 544 case XK_KP_Enter: 545 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text); 546 if (!(ev->state & ControlMask)) { 547 cleanup(); 548 exit(0); 549 } 550 if (sel) 551 sel->out = 1; 552 break; 553 case XK_Right: 554 if (text[cursor] != '\0') { 555 cursor = nextrune(+1); 556 break; 557 } 558 if (lines > 0) 559 return; 560 /* fallthrough */ 561 case XK_Down: 562 if (sel && sel->right && (sel = sel->right) == next) { 563 curr = next; 564 calcoffsets(); 565 } 566 break; 567 case XK_Tab: 568 if (!sel) 569 return; 570 strncpy(text, sel->text, sizeof text - 1); 571 text[sizeof text - 1] = '\0'; 572 cursor = strlen(text); 573 match(); 574 break; 575 } 576 577 draw: 578 drawmenu(); 579 } 580 581 static void 582 buttonpress(XEvent *e) 583 { 584 struct item *item; 585 XButtonPressedEvent *ev = &e->xbutton; 586 int x = 0, y = 0, h = bh, w; 587 588 if (ev->window != win) 589 return; 590 591 /* right-click: exit */ 592 if (ev->button == Button3) 593 exit(1); 594 595 if (prompt && *prompt) 596 x += promptw; 597 598 /* input field */ 599 w = (lines > 0 || !matches) ? mw - x : inputw; 600 601 /* left-click on input: clear input, 602 * NOTE: if there is no left-arrow the space for < is reserved so 603 * add that to the input width */ 604 if (ev->button == Button1 && 605 ((lines <= 0 && ev->x >= 0 && ev->x <= x + w + 606 ((!prev || !curr->left) ? TEXTW("<") : 0)) || 607 (lines > 0 && ev->y >= y && ev->y <= y + h))) { 608 insert(NULL, -cursor); 609 drawmenu(); 610 return; 611 } 612 /* middle-mouse click: paste selection */ 613 if (ev->button == Button2) { 614 XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY, 615 utf8, utf8, win, CurrentTime); 616 drawmenu(); 617 return; 618 } 619 /* scroll up */ 620 if (ev->button == Button4 && prev) { 621 sel = curr = prev; 622 calcoffsets(); 623 drawmenu(); 624 return; 625 } 626 /* scroll down */ 627 if (ev->button == Button5 && next) { 628 sel = curr = next; 629 calcoffsets(); 630 drawmenu(); 631 return; 632 } 633 if (ev->button != Button1) 634 return; 635 if (ev->state & ~ControlMask) 636 return; 637 if (lines > 0) { 638 /* vertical list: (ctrl)left-click on item */ 639 w = mw - x; 640 for (item = curr; item != next; item = item->right) { 641 y += h; 642 if (ev->y >= y && ev->y <= (y + h)) { 643 puts(item->text); 644 if (!(ev->state & ControlMask)) 645 exit(0); 646 sel = item; 647 if (sel) { 648 sel->out = 1; 649 drawmenu(); 650 } 651 return; 652 } 653 } 654 } else if (matches) { 655 /* left-click on left arrow */ 656 x += inputw; 657 w = TEXTW("<"); 658 if (prev && curr->left) { 659 if (ev->x >= x && ev->x <= x + w) { 660 sel = curr = prev; 661 calcoffsets(); 662 drawmenu(); 663 return; 664 } 665 } 666 /* horizontal list: (ctrl)left-click on item */ 667 for (item = curr; item != next; item = item->right) { 668 x += w; 669 w = MIN(TEXTW(item->text), mw - x - TEXTW(">")); 670 if (ev->x >= x && ev->x <= x + w) { 671 puts(item->text); 672 if (!(ev->state & ControlMask)) 673 exit(0); 674 sel = item; 675 if (sel) { 676 sel->out = 1; 677 drawmenu(); 678 } 679 return; 680 } 681 } 682 /* left-click on right arrow */ 683 w = TEXTW(">"); 684 x = mw - w; 685 if (next && ev->x >= x && ev->x <= x + w) { 686 sel = curr = next; 687 calcoffsets(); 688 drawmenu(); 689 return; 690 } 691 } 692 } 693 694 static void 695 paste(void) 696 { 697 char *p, *q; 698 int di; 699 unsigned long dl; 700 Atom da; 701 702 /* we have been given the current selection, now insert it into input */ 703 if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False, 704 utf8, &da, &di, &dl, &dl, (unsigned char **)&p) 705 == Success && p) { 706 insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p)); 707 XFree(p); 708 } 709 drawmenu(); 710 } 711 712 static void 713 readstdin(void) 714 { 715 char buf[sizeof text], *p; 716 size_t i, imax = 0, size = 0; 717 unsigned int tmpmax = 0; 718 719 if(passwd){ 720 inputw = lines = 0; 721 return; 722 } 723 724 /* read each line from stdin and add it to the item list */ 725 for (i = 0; fgets(buf, sizeof buf, stdin); i++) { 726 if (i + 1 >= size / sizeof *items) 727 if (!(items = realloc(items, (size += BUFSIZ)))) 728 die("cannot realloc %u bytes:", size); 729 if ((p = strchr(buf, '\n'))) 730 *p = '\0'; 731 if (!(items[i].text = strdup(buf))) 732 die("cannot strdup %u bytes:", strlen(buf) + 1); 733 items[i].out = 0; 734 drw_font_getexts(drw->fonts, buf, strlen(buf), &tmpmax, NULL); 735 if (tmpmax > inputw) { 736 inputw = tmpmax; 737 imax = i; 738 } 739 } 740 if (items) 741 items[i].text = NULL; 742 inputw = items ? TEXTW(items[imax].text) : 0; 743 lines = MIN(lines, i); 744 } 745 746 static void 747 run(void) 748 { 749 XEvent ev; 750 751 while (!XNextEvent(dpy, &ev)) { 752 if (XFilterEvent(&ev, win)) 753 continue; 754 switch(ev.type) { 755 case ButtonPress: 756 buttonpress(&ev); 757 break; 758 case DestroyNotify: 759 if (ev.xdestroywindow.window != win) 760 break; 761 cleanup(); 762 exit(1); 763 case Expose: 764 if (ev.xexpose.count == 0) 765 drw_map(drw, win, 0, 0, mw, mh); 766 break; 767 case FocusIn: 768 /* regrab focus from parent window */ 769 if (ev.xfocus.window != win) 770 grabfocus(); 771 break; 772 case KeyPress: 773 keypress(&ev.xkey); 774 break; 775 case SelectionNotify: 776 if (ev.xselection.property == utf8) 777 paste(); 778 break; 779 case VisibilityNotify: 780 if (ev.xvisibility.state != VisibilityUnobscured) 781 XRaiseWindow(dpy, win); 782 break; 783 } 784 } 785 } 786 787 static void 788 setup(void) 789 { 790 int x, y, i, j; 791 unsigned int du; 792 XSetWindowAttributes swa; 793 XIM xim; 794 Window w, dw, *dws; 795 XWindowAttributes wa; 796 XClassHint ch = {"birdmenu", "birdmenu"}; 797 #ifdef XINERAMA 798 XineramaScreenInfo *info; 799 Window pw; 800 int a, di, n, area = 0; 801 #endif 802 /* init appearance */ 803 for (j = 0; j < SchemeLast; j++) 804 scheme[j] = drw_scm_create(drw, colors[j], alphas[j], 2); 805 806 clip = XInternAtom(dpy, "CLIPBOARD", False); 807 utf8 = XInternAtom(dpy, "UTF8_STRING", False); 808 809 /* calculate menu geometry */ 810 bh = drw->fonts->h + 2; 811 lines = MAX(lines, 0); 812 mh = (lines + 1) * bh; 813 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0; 814 #ifdef XINERAMA 815 i = 0; 816 if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) { 817 XGetInputFocus(dpy, &w, &di); 818 if (mon >= 0 && mon < n) 819 i = mon; 820 else if (w != root && w != PointerRoot && w != None) { 821 /* find top-level window containing current input focus */ 822 do { 823 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws) 824 XFree(dws); 825 } while (w != root && w != pw); 826 /* find xinerama screen with which the window intersects most */ 827 if (XGetWindowAttributes(dpy, pw, &wa)) 828 for (j = 0; j < n; j++) 829 if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) { 830 area = a; 831 i = j; 832 } 833 } 834 /* no focused window is on screen, so use pointer location instead */ 835 if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du)) 836 for (i = 0; i < n; i++) 837 if (INTERSECT(x, y, 1, 1, info[i])) 838 break; 839 840 if (centered) { 841 mw = MIN(MAX(max_textw() + promptw, min_width), info[i].width); 842 x = info[i].x_org + ((info[i].width - mw) / 2); 843 y = info[i].y_org + ((info[i].height - mh) / 2); 844 } else { 845 x = info[i].x_org; 846 y = info[i].y_org + (topbar ? 0 : info[i].height - mh); 847 mw = info[i].width; 848 } 849 850 XFree(info); 851 } else 852 #endif 853 { 854 if (!XGetWindowAttributes(dpy, parentwin, &wa)) 855 die("could not get embedding window attributes: 0x%lx", 856 parentwin); 857 858 if (centered) { 859 mw = MIN(MAX(max_textw() + promptw, min_width), wa.width); 860 x = (wa.width - mw) / 2; 861 y = (wa.height - mh) / 2; 862 } else { 863 x = 0; 864 y = topbar ? 0 : wa.height - mh; 865 mw = wa.width; 866 } 867 } 868 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0; 869 inputw = MIN(inputw, mw/3); 870 match(); 871 872 /* create menu window */ 873 swa.override_redirect = True; 874 swa.background_pixel = scheme[SchemeNorm][ColBg].pixel; 875 swa.border_pixel = 0; 876 swa.colormap = cmap; 877 swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask | 878 ButtonPressMask; 879 win = XCreateWindow(dpy, parentwin, x, y, mw, mh, border_width, 880 depth, InputOutput, visual, 881 CWOverrideRedirect | CWBackPixel | CWColormap | CWEventMask | CWBorderPixel, &swa); 882 if (border_width) 883 XSetWindowBorder(dpy, win, scheme[SchemeSel][ColBg].pixel); 884 XSetClassHint(dpy, win, &ch); 885 886 887 /* input methods */ 888 if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL) 889 die("XOpenIM failed: could not open input device"); 890 891 xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, 892 XNClientWindow, win, XNFocusWindow, win, NULL); 893 894 XMapRaised(dpy, win); 895 if (embed) { 896 XSelectInput(dpy, parentwin, FocusChangeMask | SubstructureNotifyMask); 897 if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) { 898 for (i = 0; i < du && dws[i] != win; ++i) 899 XSelectInput(dpy, dws[i], FocusChangeMask); 900 XFree(dws); 901 } 902 grabfocus(); 903 } 904 drw_resize(drw, mw, mh); 905 drawmenu(); 906 } 907 908 static void 909 usage(void) 910 { 911 fputs("usage: birdmenu [-bfiPrv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n" 912 " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr); 913 exit(1); 914 } 915 916 void 917 read_Xresources(void) { 918 XrmInitialize(); 919 920 char* xrm; 921 if ((xrm = XResourceManagerString(drw->dpy))) { 922 char *type; 923 XrmDatabase xdb = XrmGetStringDatabase(xrm); 924 XrmValue xval; 925 /* color 0,4,4,0*/ 926 927 if (XrmGetResource(xdb, "dmenu.font", "*", &type, &xval) == True) /* font or font set */ 928 fonts[0] = strdup(xval.addr); 929 if (XrmGetResource(xdb, "dmenu.color0", "*", &type, &xval) == True) /* normal background color */ 930 colors[SchemeNorm][ColBg] = strdup(xval.addr); 931 if (XrmGetResource(xdb, "dmenu.color6", "*", &type, &xval) == True) /* normal foreground color */ 932 colors[SchemeNorm][ColFg] = strdup(xval.addr); 933 if (XrmGetResource(xdb, "dmenu.color14", "*", &type, &xval) == True) /* selected background color */ 934 colors[SchemeSel][ColBg] = strdup(xval.addr); 935 if (XrmGetResource(xdb, "dmenu.color0", "*", &type, &xval) == True) /* selected foreground color */ 936 colors[SchemeSel][ColFg] = strdup(xval.addr); 937 938 XrmDestroyDatabase(xdb); 939 } 940 } 941 942 int 943 main(int argc, char *argv[]) 944 { 945 XWindowAttributes wa; 946 int i, fast = 0; 947 948 for (i = 1; i < argc; i++) 949 /* these options take no arguments */ 950 if (!strcmp(argv[i], "-v")) { /* prints version information */ 951 puts("birdmenu-"VERSION); 952 exit(0); 953 } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */ 954 topbar = 0; 955 else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */ 956 fast = 1; 957 else if (!strcmp(argv[i], "-c")) /* centers dmenu on screen */ 958 centered = 1; 959 else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */ 960 fstrncmp = strncasecmp; 961 fstrstr = cistrstr; 962 } else if (!strcmp(argv[i], "-P")) /* is the input a password */ 963 passwd = 1; 964 else if (!strcmp(argv[i], "-r")) /* reject input which results in no match */ 965 reject_no_match = 1; 966 else if (i + 1 == argc) 967 usage(); 968 /* these options take one argument */ 969 else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */ 970 lines = atoi(argv[++i]); 971 else if (!strcmp(argv[i], "-m")) 972 mon = atoi(argv[++i]); 973 else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */ 974 prompt = argv[++i]; 975 else if (!strcmp(argv[i], "-fn")) /* font or font set */ 976 fonts[0] = argv[++i]; 977 else if (!strcmp(argv[i], "-nb")) /* normal background color */ 978 colors[SchemeNorm][ColBg] = argv[++i]; 979 else if (!strcmp(argv[i], "-nf")) /* normal foreground color */ 980 colors[SchemeNorm][ColFg] = argv[++i]; 981 else if (!strcmp(argv[i], "-sb")) /* selected background color */ 982 colors[SchemeSel][ColBg] = argv[++i]; 983 else if (!strcmp(argv[i], "-sf")) /* selected foreground color */ 984 colors[SchemeSel][ColFg] = argv[++i]; 985 else if (!strcmp(argv[i], "-w")) /* embedding window id */ 986 embed = argv[++i]; 987 else if (!strcmp(argv[i], "-bw")) 988 border_width = atoi(argv[++i]); /* border width */ 989 else 990 usage(); 991 992 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale()) 993 fputs("warning: no locale support\n", stderr); 994 if (!(dpy = XOpenDisplay(NULL))) 995 die("cannot open display"); 996 screen = DefaultScreen(dpy); 997 root = RootWindow(dpy, screen); 998 if (!embed || !(parentwin = strtol(embed, NULL, 0))) 999 parentwin = root; 1000 if (!XGetWindowAttributes(dpy, parentwin, &wa)) 1001 die("could not get embedding window attributes: 0x%lx", 1002 parentwin); 1003 xinitvisual(); 1004 drw = drw_create(dpy, screen, root, wa.width, wa.height, visual, depth, cmap); 1005 read_Xresources(); 1006 if (!drw_fontset_create(drw, fonts, LENGTH(fonts))) 1007 die("no fonts could be loaded."); 1008 lrpad = drw->fonts->h; 1009 1010 #ifdef __OpenBSD__ 1011 if (pledge("stdio rpath", NULL) == -1) 1012 die("pledge"); 1013 #endif 1014 1015 if (fast && !isatty(0)) { 1016 grabkeyboard(); 1017 readstdin(); 1018 } else { 1019 readstdin(); 1020 grabkeyboard(); 1021 } 1022 setup(); 1023 run(); 1024 1025 return 1; /* unreachable */ 1026 }