Mercurial > nixos
comparison config/dmenu/dmenu.c @ 0:face7f4d84f7
Initial commit
| author | Yasuri <yasuri@charliesmp.net> |
|---|---|
| date | Mon, 28 Sep 2026 13:10:19 -0500 |
| parents | |
| children |
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| -1:000000000000 | 0:face7f4d84f7 |
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| 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 void | |
| 99 cleanup(void) | |
| 100 { | |
| 101 size_t i; | |
| 102 | |
| 103 XUngrabKeyboard(dpy, CurrentTime); | |
| 104 for (i = 0; i < SchemeLast; i++) | |
| 105 drw_scm_free(drw, scheme[i], 2); | |
| 106 for (i = 0; items && items[i].text; ++i) | |
| 107 free(items[i].text); | |
| 108 free(items); | |
| 109 drw_free(drw); | |
| 110 XSync(dpy, False); | |
| 111 XCloseDisplay(dpy); | |
| 112 } | |
| 113 | |
| 114 static char * | |
| 115 cistrstr(const char *h, const char *n) | |
| 116 { | |
| 117 size_t i; | |
| 118 | |
| 119 if (!n[0]) | |
| 120 return (char *)h; | |
| 121 | |
| 122 for (; *h; ++h) { | |
| 123 for (i = 0; n[i] && tolower((unsigned char)n[i]) == | |
| 124 tolower((unsigned char)h[i]); ++i) | |
| 125 ; | |
| 126 if (n[i] == '\0') | |
| 127 return (char *)h; | |
| 128 } | |
| 129 return NULL; | |
| 130 } | |
| 131 | |
| 132 static int | |
| 133 drawitem(struct item *item, int x, int y, int w) | |
| 134 { | |
| 135 if (item == sel) | |
| 136 drw_setscheme(drw, scheme[SchemeSel]); | |
| 137 else if (item->out) | |
| 138 drw_setscheme(drw, scheme[SchemeOut]); | |
| 139 else | |
| 140 drw_setscheme(drw, scheme[SchemeNorm]); | |
| 141 | |
| 142 return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0); | |
| 143 } | |
| 144 | |
| 145 static void | |
| 146 drawmenu(void) | |
| 147 { | |
| 148 unsigned int curpos; | |
| 149 struct item *item; | |
| 150 int x = 0, y = 0, w; | |
| 151 | |
| 152 drw_setscheme(drw, scheme[SchemeNorm]); | |
| 153 drw_rect(drw, 0, 0, mw, mh, 1, 1); | |
| 154 | |
| 155 if (prompt && *prompt) { | |
| 156 drw_setscheme(drw, scheme[SchemeSel]); | |
| 157 x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0); | |
| 158 } | |
| 159 /* draw input field */ | |
| 160 w = (lines > 0 || !matches) ? mw - x : inputw; | |
| 161 drw_setscheme(drw, scheme[SchemeNorm]); | |
| 162 drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0); | |
| 163 | |
| 164 curpos = TEXTW(text) - TEXTW(&text[cursor]); | |
| 165 if ((curpos += lrpad / 2 - 1) < w) { | |
| 166 drw_setscheme(drw, scheme[SchemeNorm]); | |
| 167 drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0); | |
| 168 } | |
| 169 | |
| 170 if (lines > 0) { | |
| 171 /* draw vertical list */ | |
| 172 for (item = curr; item != next; item = item->right) | |
| 173 drawitem(item, x, y += bh, mw - x); | |
| 174 } else if (matches && curr) { | |
| 175 /* draw horizontal list */ | |
| 176 x += inputw; | |
| 177 w = TEXTW("<"); | |
| 178 if (curr->left) { | |
| 179 drw_setscheme(drw, scheme[SchemeNorm]); | |
| 180 drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0); | |
| 181 } | |
| 182 x += w; | |
| 183 for (item = curr; item != next; item = item->right) | |
| 184 x = drawitem(item, x, 0, textw_clamp(item->text, mw - x - TEXTW(">"))); | |
| 185 if (next) { | |
| 186 w = TEXTW(">"); | |
| 187 drw_setscheme(drw, scheme[SchemeNorm]); | |
| 188 drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0); | |
| 189 } | |
| 190 } | |
| 191 drw_map(drw, win, 0, 0, mw, mh); | |
| 192 } | |
| 193 | |
| 194 static void | |
| 195 grabfocus(void) | |
| 196 { | |
| 197 struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 }; | |
| 198 Window focuswin; | |
| 199 int i, revertwin; | |
| 200 | |
| 201 for (i = 0; i < 100; ++i) { | |
| 202 XGetInputFocus(dpy, &focuswin, &revertwin); | |
| 203 if (focuswin == win) | |
| 204 return; | |
| 205 XSetInputFocus(dpy, win, RevertToParent, CurrentTime); | |
| 206 nanosleep(&ts, NULL); | |
| 207 } | |
| 208 die("cannot grab focus"); | |
| 209 } | |
| 210 | |
| 211 static void | |
| 212 grabkeyboard(void) | |
| 213 { | |
| 214 struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; | |
| 215 int i; | |
| 216 | |
| 217 if (embed) | |
| 218 return; | |
| 219 /* try to grab keyboard, we may have to wait for another process to ungrab */ | |
| 220 for (i = 0; i < 1000; i++) { | |
| 221 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync, | |
| 222 GrabModeAsync, CurrentTime) == GrabSuccess) | |
| 223 return; | |
| 224 nanosleep(&ts, NULL); | |
| 225 } | |
| 226 die("cannot grab keyboard"); | |
| 227 } | |
| 228 | |
| 229 static void | |
| 230 match(void) | |
| 231 { | |
| 232 static char **tokv = NULL; | |
| 233 static int tokn = 0; | |
| 234 | |
| 235 char buf[sizeof text], *s; | |
| 236 int i, tokc = 0; | |
| 237 size_t len, textsize; | |
| 238 struct item *item, *lprefix, *lsubstr, *prefixend, *substrend; | |
| 239 | |
| 240 strcpy(buf, text); | |
| 241 /* separate input text into tokens to be matched individually */ | |
| 242 for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " ")) | |
| 243 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv))) | |
| 244 die("cannot realloc %zu bytes:", tokn * sizeof *tokv); | |
| 245 len = tokc ? strlen(tokv[0]) : 0; | |
| 246 | |
| 247 matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL; | |
| 248 textsize = strlen(text) + 1; | |
| 249 for (item = items; item && item->text; item++) { | |
| 250 for (i = 0; i < tokc; i++) | |
| 251 if (!fstrstr(item->text, tokv[i])) | |
| 252 break; | |
| 253 if (i != tokc) /* not all tokens match */ | |
| 254 continue; | |
| 255 /* exact matches go first, then prefixes, then substrings */ | |
| 256 if (!tokc || !fstrncmp(text, item->text, textsize)) | |
| 257 appenditem(item, &matches, &matchend); | |
| 258 else if (!fstrncmp(tokv[0], item->text, len)) | |
| 259 appenditem(item, &lprefix, &prefixend); | |
| 260 else | |
| 261 appenditem(item, &lsubstr, &substrend); | |
| 262 } | |
| 263 if (lprefix) { | |
| 264 if (matches) { | |
| 265 matchend->right = lprefix; | |
| 266 lprefix->left = matchend; | |
| 267 } else | |
| 268 matches = lprefix; | |
| 269 matchend = prefixend; | |
| 270 } | |
| 271 if (lsubstr) { | |
| 272 if (matches) { | |
| 273 matchend->right = lsubstr; | |
| 274 lsubstr->left = matchend; | |
| 275 } else | |
| 276 matches = lsubstr; | |
| 277 matchend = substrend; | |
| 278 } | |
| 279 curr = sel = matches; | |
| 280 calcoffsets(); | |
| 281 } | |
| 282 | |
| 283 static void | |
| 284 insert(const char *str, ssize_t n) | |
| 285 { | |
| 286 if (strlen(text) + n > sizeof text - 1) | |
| 287 return; | |
| 288 /* move existing text out of the way, insert new text, and update cursor */ | |
| 289 memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0)); | |
| 290 if (n > 0) | |
| 291 memcpy(&text[cursor], str, n); | |
| 292 cursor += n; | |
| 293 match(); | |
| 294 } | |
| 295 | |
| 296 static size_t | |
| 297 nextrune(int inc) | |
| 298 { | |
| 299 ssize_t n; | |
| 300 | |
| 301 /* return location of next utf8 rune in the given direction (+1 or -1) */ | |
| 302 for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc) | |
| 303 ; | |
| 304 return n; | |
| 305 } | |
| 306 | |
| 307 static void | |
| 308 movewordedge(int dir) | |
| 309 { | |
| 310 if (dir < 0) { /* move cursor to the start of the word*/ | |
| 311 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) | |
| 312 cursor = nextrune(-1); | |
| 313 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) | |
| 314 cursor = nextrune(-1); | |
| 315 } else { /* move cursor to the end of the word */ | |
| 316 while (text[cursor] && strchr(worddelimiters, text[cursor])) | |
| 317 cursor = nextrune(+1); | |
| 318 while (text[cursor] && !strchr(worddelimiters, text[cursor])) | |
| 319 cursor = nextrune(+1); | |
| 320 } | |
| 321 } | |
| 322 | |
| 323 static void | |
| 324 keypress(XKeyEvent *ev) | |
| 325 { | |
| 326 char buf[64]; | |
| 327 int len; | |
| 328 KeySym ksym = NoSymbol; | |
| 329 Status status; | |
| 330 | |
| 331 len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status); | |
| 332 switch (status) { | |
| 333 default: /* XLookupNone, XBufferOverflow */ | |
| 334 return; | |
| 335 case XLookupChars: /* composed string from input method */ | |
| 336 goto insert; | |
| 337 case XLookupKeySym: | |
| 338 case XLookupBoth: /* a KeySym and a string are returned: use keysym */ | |
| 339 break; | |
| 340 } | |
| 341 | |
| 342 if (ev->state & ControlMask) { | |
| 343 switch(ksym) { | |
| 344 case XK_a: ksym = XK_Home; break; | |
| 345 case XK_b: ksym = XK_Left; break; | |
| 346 case XK_c: ksym = XK_Escape; break; | |
| 347 case XK_d: ksym = XK_Delete; break; | |
| 348 case XK_e: ksym = XK_End; break; | |
| 349 case XK_f: ksym = XK_Right; break; | |
| 350 case XK_g: ksym = XK_Escape; break; | |
| 351 case XK_h: ksym = XK_BackSpace; break; | |
| 352 case XK_i: ksym = XK_Tab; break; | |
| 353 case XK_j: /* fallthrough */ | |
| 354 case XK_J: /* fallthrough */ | |
| 355 case XK_m: /* fallthrough */ | |
| 356 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break; | |
| 357 case XK_n: ksym = XK_Down; break; | |
| 358 case XK_p: ksym = XK_Up; break; | |
| 359 | |
| 360 case XK_k: /* delete right */ | |
| 361 text[cursor] = '\0'; | |
| 362 match(); | |
| 363 break; | |
| 364 case XK_u: /* delete left */ | |
| 365 insert(NULL, 0 - cursor); | |
| 366 break; | |
| 367 case XK_w: /* delete word */ | |
| 368 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) | |
| 369 insert(NULL, nextrune(-1) - cursor); | |
| 370 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) | |
| 371 insert(NULL, nextrune(-1) - cursor); | |
| 372 break; | |
| 373 case XK_y: /* paste selection */ | |
| 374 case XK_Y: | |
| 375 XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY, | |
| 376 utf8, utf8, win, CurrentTime); | |
| 377 return; | |
| 378 case XK_Left: | |
| 379 case XK_KP_Left: | |
| 380 movewordedge(-1); | |
| 381 goto draw; | |
| 382 case XK_Right: | |
| 383 case XK_KP_Right: | |
| 384 movewordedge(+1); | |
| 385 goto draw; | |
| 386 case XK_Return: | |
| 387 case XK_KP_Enter: | |
| 388 break; | |
| 389 case XK_bracketleft: | |
| 390 cleanup(); | |
| 391 exit(1); | |
| 392 default: | |
| 393 return; | |
| 394 } | |
| 395 } else if (ev->state & Mod1Mask) { | |
| 396 switch(ksym) { | |
| 397 case XK_b: | |
| 398 movewordedge(-1); | |
| 399 goto draw; | |
| 400 case XK_f: | |
| 401 movewordedge(+1); | |
| 402 goto draw; | |
| 403 case XK_g: ksym = XK_Home; break; | |
| 404 case XK_G: ksym = XK_End; break; | |
| 405 case XK_h: ksym = XK_Up; break; | |
| 406 case XK_j: ksym = XK_Next; break; | |
| 407 case XK_k: ksym = XK_Prior; break; | |
| 408 case XK_l: ksym = XK_Down; break; | |
| 409 default: | |
| 410 return; | |
| 411 } | |
| 412 } | |
| 413 | |
| 414 switch(ksym) { | |
| 415 default: | |
| 416 insert: | |
| 417 if (len > 0 && !iscntrl((unsigned char)*buf)) | |
| 418 insert(buf, len); | |
| 419 break; | |
| 420 case XK_Delete: | |
| 421 case XK_KP_Delete: | |
| 422 if (text[cursor] == '\0') | |
| 423 return; | |
| 424 cursor = nextrune(+1); | |
| 425 /* fallthrough */ | |
| 426 case XK_BackSpace: | |
| 427 if (cursor == 0) | |
| 428 return; | |
| 429 insert(NULL, nextrune(-1) - cursor); | |
| 430 break; | |
| 431 case XK_End: | |
| 432 case XK_KP_End: | |
| 433 if (text[cursor] != '\0') { | |
| 434 cursor = strlen(text); | |
| 435 break; | |
| 436 } | |
| 437 if (next) { | |
| 438 /* jump to end of list and position items in reverse */ | |
| 439 curr = matchend; | |
| 440 calcoffsets(); | |
| 441 curr = prev; | |
| 442 calcoffsets(); | |
| 443 while (next && (curr = curr->right)) | |
| 444 calcoffsets(); | |
| 445 } | |
| 446 sel = matchend; | |
| 447 break; | |
| 448 case XK_Escape: | |
| 449 cleanup(); | |
| 450 exit(1); | |
| 451 case XK_Home: | |
| 452 case XK_KP_Home: | |
| 453 if (sel == matches) { | |
| 454 cursor = 0; | |
| 455 break; | |
| 456 } | |
| 457 sel = curr = matches; | |
| 458 calcoffsets(); | |
| 459 break; | |
| 460 case XK_Left: | |
| 461 case XK_KP_Left: | |
| 462 if (cursor > 0 && (!sel || !sel->left || lines > 0)) { | |
| 463 cursor = nextrune(-1); | |
| 464 break; | |
| 465 } | |
| 466 if (lines > 0) | |
| 467 return; | |
| 468 /* fallthrough */ | |
| 469 case XK_Up: | |
| 470 case XK_KP_Up: | |
| 471 if (sel && sel->left && (sel = sel->left)->right == curr) { | |
| 472 curr = prev; | |
| 473 calcoffsets(); | |
| 474 } | |
| 475 break; | |
| 476 case XK_Next: | |
| 477 case XK_KP_Next: | |
| 478 if (!next) | |
| 479 return; | |
| 480 sel = curr = next; | |
| 481 calcoffsets(); | |
| 482 break; | |
| 483 case XK_Prior: | |
| 484 case XK_KP_Prior: | |
| 485 if (!prev) | |
| 486 return; | |
| 487 sel = curr = prev; | |
| 488 calcoffsets(); | |
| 489 break; | |
| 490 case XK_Return: | |
| 491 case XK_KP_Enter: | |
| 492 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text); | |
| 493 if (!(ev->state & ControlMask)) { | |
| 494 cleanup(); | |
| 495 exit(0); | |
| 496 } | |
| 497 if (sel) | |
| 498 sel->out = 1; | |
| 499 break; | |
| 500 case XK_Right: | |
| 501 case XK_KP_Right: | |
| 502 if (text[cursor] != '\0') { | |
| 503 cursor = nextrune(+1); | |
| 504 break; | |
| 505 } | |
| 506 if (lines > 0) | |
| 507 return; | |
| 508 /* fallthrough */ | |
| 509 case XK_Down: | |
| 510 case XK_KP_Down: | |
| 511 if (sel && sel->right && (sel = sel->right) == next) { | |
| 512 curr = next; | |
| 513 calcoffsets(); | |
| 514 } | |
| 515 break; | |
| 516 case XK_Tab: | |
| 517 if (!sel) | |
| 518 return; | |
| 519 cursor = strnlen(sel->text, sizeof text - 1); | |
| 520 memcpy(text, sel->text, cursor); | |
| 521 text[cursor] = '\0'; | |
| 522 match(); | |
| 523 break; | |
| 524 } | |
| 525 | |
| 526 draw: | |
| 527 drawmenu(); | |
| 528 } | |
| 529 | |
| 530 static void | |
| 531 paste(void) | |
| 532 { | |
| 533 char *p, *q; | |
| 534 int di; | |
| 535 unsigned long dl; | |
| 536 Atom da; | |
| 537 | |
| 538 /* we have been given the current selection, now insert it into input */ | |
| 539 if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False, | |
| 540 utf8, &da, &di, &dl, &dl, (unsigned char **)&p) | |
| 541 == Success && p) { | |
| 542 insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p)); | |
| 543 XFree(p); | |
| 544 } | |
| 545 drawmenu(); | |
| 546 } | |
| 547 | |
| 548 static void | |
| 549 readstdin(void) | |
| 550 { | |
| 551 char *line = NULL; | |
| 552 size_t i, itemsiz = 0, linesiz = 0; | |
| 553 ssize_t len; | |
| 554 | |
| 555 /* read each line from stdin and add it to the item list */ | |
| 556 for (i = 0; (len = getline(&line, &linesiz, stdin)) != -1; i++) { | |
| 557 if (i + 1 >= itemsiz) { | |
| 558 itemsiz += 256; | |
| 559 if (!(items = realloc(items, itemsiz * sizeof(*items)))) | |
| 560 die("cannot realloc %zu bytes:", itemsiz * sizeof(*items)); | |
| 561 } | |
| 562 if (line[len - 1] == '\n') | |
| 563 line[len - 1] = '\0'; | |
| 564 if (!(items[i].text = strdup(line))) | |
| 565 die("strdup:"); | |
| 566 | |
| 567 items[i].out = 0; | |
| 568 } | |
| 569 free(line); | |
| 570 if (items) | |
| 571 items[i].text = NULL; | |
| 572 lines = MIN(lines, i); | |
| 573 } | |
| 574 | |
| 575 static void | |
| 576 run(void) | |
| 577 { | |
| 578 XEvent ev; | |
| 579 | |
| 580 while (!XNextEvent(dpy, &ev)) { | |
| 581 if (XFilterEvent(&ev, win)) | |
| 582 continue; | |
| 583 switch(ev.type) { | |
| 584 case DestroyNotify: | |
| 585 if (ev.xdestroywindow.window != win) | |
| 586 break; | |
| 587 cleanup(); | |
| 588 exit(1); | |
| 589 case Expose: | |
| 590 if (ev.xexpose.count == 0) | |
| 591 drw_map(drw, win, 0, 0, mw, mh); | |
| 592 break; | |
| 593 case FocusIn: | |
| 594 /* regrab focus from parent window */ | |
| 595 if (ev.xfocus.window != win) | |
| 596 grabfocus(); | |
| 597 break; | |
| 598 case KeyPress: | |
| 599 keypress(&ev.xkey); | |
| 600 break; | |
| 601 case SelectionNotify: | |
| 602 if (ev.xselection.property == utf8) | |
| 603 paste(); | |
| 604 break; | |
| 605 case VisibilityNotify: | |
| 606 if (ev.xvisibility.state != VisibilityUnobscured) | |
| 607 XRaiseWindow(dpy, win); | |
| 608 break; | |
| 609 } | |
| 610 } | |
| 611 } | |
| 612 | |
| 613 static void | |
| 614 setup(void) | |
| 615 { | |
| 616 int x, y, i, j; | |
| 617 unsigned int du; | |
| 618 XSetWindowAttributes swa; | |
| 619 XIM xim; | |
| 620 Window w, dw, *dws; | |
| 621 XWindowAttributes wa; | |
| 622 XClassHint ch = {"dmenu", "dmenu"}; | |
| 623 #ifdef XINERAMA | |
| 624 XineramaScreenInfo *info; | |
| 625 Window pw; | |
| 626 int a, di, n, area = 0; | |
| 627 #endif | |
| 628 /* init appearance */ | |
| 629 for (j = 0; j < SchemeLast; j++) | |
| 630 scheme[j] = drw_scm_create(drw, colors[j], 2); | |
| 631 | |
| 632 clip = XInternAtom(dpy, "CLIPBOARD", False); | |
| 633 utf8 = XInternAtom(dpy, "UTF8_STRING", False); | |
| 634 | |
| 635 /* calculate menu geometry */ | |
| 636 bh = drw->fonts->h + 2; | |
| 637 lines = MAX(lines, 0); | |
| 638 mh = (lines + 1) * bh; | |
| 639 #ifdef XINERAMA | |
| 640 i = 0; | |
| 641 if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) { | |
| 642 if (n < 1) | |
| 643 die("Xinerama reported no screens"); | |
| 644 XGetInputFocus(dpy, &w, &di); | |
| 645 if (mon >= 0 && mon < n) | |
| 646 i = mon; | |
| 647 else if (w != root && w != PointerRoot && w != None) { | |
| 648 /* find top-level window containing current input focus */ | |
| 649 do { | |
| 650 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws) | |
| 651 XFree(dws); | |
| 652 } while (w != root && w != pw); | |
| 653 /* find xinerama screen with which the window intersects most */ | |
| 654 if (XGetWindowAttributes(dpy, pw, &wa)) | |
| 655 for (j = 0; j < n; j++) | |
| 656 if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) { | |
| 657 area = a; | |
| 658 i = j; | |
| 659 } | |
| 660 } | |
| 661 /* no focused window is on screen, so use pointer location instead */ | |
| 662 if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du)) | |
| 663 for (i = 0; i < n; i++) | |
| 664 if (INTERSECT(x, y, 1, 1, info[i]) != 0) | |
| 665 break; | |
| 666 /* fallback to the first screen if there is no intersection */ | |
| 667 if (i >= n) | |
| 668 i = 0; | |
| 669 | |
| 670 x = info[i].x_org; | |
| 671 y = info[i].y_org + (topbar ? 0 : info[i].height - mh); | |
| 672 mw = info[i].width; | |
| 673 XFree(info); | |
| 674 } else | |
| 675 #endif | |
| 676 { | |
| 677 if (!XGetWindowAttributes(dpy, parentwin, &wa)) | |
| 678 die("could not get embedding window attributes: 0x%lx", | |
| 679 parentwin); | |
| 680 x = 0; | |
| 681 y = topbar ? 0 : wa.height - mh; | |
| 682 mw = wa.width; | |
| 683 } | |
| 684 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0; | |
| 685 inputw = mw / 3; /* input width: ~33% of monitor width */ | |
| 686 match(); | |
| 687 | |
| 688 /* create menu window */ | |
| 689 swa.override_redirect = True; | |
| 690 swa.background_pixel = scheme[SchemeNorm][ColBg].pixel; | |
| 691 swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask; | |
| 692 win = XCreateWindow(dpy, root, x, y, mw, mh, 0, | |
| 693 CopyFromParent, CopyFromParent, CopyFromParent, | |
| 694 CWOverrideRedirect | CWBackPixel | CWEventMask, &swa); | |
| 695 XSetClassHint(dpy, win, &ch); | |
| 696 | |
| 697 /* input methods */ | |
| 698 if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL) | |
| 699 die("XOpenIM failed: could not open input device"); | |
| 700 | |
| 701 xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, | |
| 702 XNClientWindow, win, XNFocusWindow, win, NULL); | |
| 703 | |
| 704 XMapRaised(dpy, win); | |
| 705 if (embed) { | |
| 706 XReparentWindow(dpy, win, parentwin, x, y); | |
| 707 XSelectInput(dpy, parentwin, FocusChangeMask | SubstructureNotifyMask); | |
| 708 if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) { | |
| 709 for (i = 0; i < du && dws[i] != win; ++i) | |
| 710 XSelectInput(dpy, dws[i], FocusChangeMask); | |
| 711 XFree(dws); | |
| 712 } | |
| 713 grabfocus(); | |
| 714 } | |
| 715 drw_resize(drw, mw, mh); | |
| 716 drawmenu(); | |
| 717 } | |
| 718 | |
| 719 static void | |
| 720 usage(void) | |
| 721 { | |
| 722 die("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n" | |
| 723 " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]"); | |
| 724 } | |
| 725 | |
| 726 int | |
| 727 main(int argc, char *argv[]) | |
| 728 { | |
| 729 XWindowAttributes wa; | |
| 730 int i, fast = 0; | |
| 731 | |
| 732 for (i = 1; i < argc; i++) | |
| 733 /* these options take no arguments */ | |
| 734 if (!strcmp(argv[i], "-v")) { /* prints version information */ | |
| 735 puts("dmenu-"VERSION); | |
| 736 exit(0); | |
| 737 } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */ | |
| 738 topbar = 0; | |
| 739 else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */ | |
| 740 fast = 1; | |
| 741 else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */ | |
| 742 fstrncmp = strncasecmp; | |
| 743 fstrstr = cistrstr; | |
| 744 } else if (i + 1 == argc) | |
| 745 usage(); | |
| 746 /* these options take one argument */ | |
| 747 else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */ | |
| 748 lines = atoi(argv[++i]); | |
| 749 else if (!strcmp(argv[i], "-m")) | |
| 750 mon = atoi(argv[++i]); | |
| 751 else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */ | |
| 752 prompt = argv[++i]; | |
| 753 else if (!strcmp(argv[i], "-fn")) /* font or font set */ | |
| 754 fonts[0] = argv[++i]; | |
| 755 else if (!strcmp(argv[i], "-nb")) /* normal background color */ | |
| 756 colors[SchemeNorm][ColBg] = argv[++i]; | |
| 757 else if (!strcmp(argv[i], "-nf")) /* normal foreground color */ | |
| 758 colors[SchemeNorm][ColFg] = argv[++i]; | |
| 759 else if (!strcmp(argv[i], "-sb")) /* selected background color */ | |
| 760 colors[SchemeSel][ColBg] = argv[++i]; | |
| 761 else if (!strcmp(argv[i], "-sf")) /* selected foreground color */ | |
| 762 colors[SchemeSel][ColFg] = argv[++i]; | |
| 763 else if (!strcmp(argv[i], "-ob")) /* outline background color */ | |
| 764 colors[SchemeOut][ColBg] = argv[++i]; | |
| 765 else if (!strcmp(argv[i], "-of")) /* outline foreground color */ | |
| 766 colors[SchemeOut][ColFg] = argv[++i]; | |
| 767 else if (!strcmp(argv[i], "-w")) /* embedding window id */ | |
| 768 embed = argv[++i]; | |
| 769 else | |
| 770 usage(); | |
| 771 | |
| 772 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale()) | |
| 773 fputs("warning: no locale support\n", stderr); | |
| 774 if (!(dpy = XOpenDisplay(NULL))) | |
| 775 die("cannot open display"); | |
| 776 screen = DefaultScreen(dpy); | |
| 777 root = RootWindow(dpy, screen); | |
| 778 if (!embed || !(parentwin = strtol(embed, NULL, 0))) | |
| 779 parentwin = root; | |
| 780 if (!XGetWindowAttributes(dpy, parentwin, &wa)) | |
| 781 die("could not get embedding window attributes: 0x%lx", | |
| 782 parentwin); | |
| 783 drw = drw_create(dpy, screen, root, wa.width, wa.height); | |
| 784 if (!drw_fontset_create(drw, fonts, LENGTH(fonts))) | |
| 785 die("no fonts could be loaded."); | |
| 786 lrpad = drw->fonts->h; | |
| 787 | |
| 788 #ifdef __OpenBSD__ | |
| 789 if (pledge("stdio rpath", NULL) == -1) | |
| 790 die("pledge"); | |
| 791 #endif | |
| 792 | |
| 793 if (fast && !isatty(0)) { | |
| 794 grabkeyboard(); | |
| 795 readstdin(); | |
| 796 } else { | |
| 797 readstdin(); | |
| 798 grabkeyboard(); | |
| 799 } | |
| 800 setup(); | |
| 801 run(); | |
| 802 | |
| 803 return 1; /* unreachable */ | |
| 804 } |
