dwm.c (61926B)
1 /* See LICENSE file for copyright and license details. 2 * 3 * dynamic window manager is designed like any other X client as well. It is 4 * driven through handling X events. In contrast to other X clients, a window 5 * manager selects for SubstructureRedirectMask on the root window, to receive 6 * events about window (dis-)appearance. Only one X connection at a time is 7 * allowed to select for this event mask. 8 * 9 * The event handlers of dwm are organized in an array which is accessed 10 * whenever a new event has been fetched. This allows event dispatching 11 * in O(1) time. 12 * 13 * Each child of the root window is called a client, except windows which have 14 * set the override_redirect flag. Clients are organized in a linked client 15 * list on each monitor, the focus history is remembered through a stack list 16 * on each monitor. Each client contains a bit array to indicate the tags of a 17 * client. 18 * 19 * Keys and tagging rules are organized as arrays and defined in config.h. 20 * 21 * To understand everything else, start reading main(). 22 */ 23 #include <errno.h> 24 #include <locale.h> 25 #include <signal.h> 26 #include <stdarg.h> 27 #include <stdio.h> 28 #include <stdlib.h> 29 #include <string.h> 30 #include <unistd.h> 31 #include <sys/types.h> 32 #include <sys/wait.h> 33 #include <X11/cursorfont.h> 34 #include <X11/keysym.h> 35 #include <X11/Xatom.h> 36 #include <X11/Xlib.h> 37 #include <X11/Xproto.h> 38 #include <X11/Xutil.h> 39 #ifdef XINERAMA 40 #include <X11/extensions/Xinerama.h> 41 #endif /* XINERAMA */ 42 #include <X11/Xft/Xft.h> 43 #include <X11/Xlib-xcb.h> 44 #include <xcb/res.h> 45 #ifdef __OpenBSD__ 46 #include <sys/sysctl.h> 47 #include <kvm.h> 48 #endif /* __OpenBSD */ 49 50 #include "drw.h" 51 #include "util.h" 52 53 /* macros */ 54 #define BUTTONMASK (ButtonPressMask|ButtonReleaseMask) 55 #define CLEANMASK(mask) (mask & ~(numlockmask|LockMask) & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask)) 56 #define INTERSECT(x,y,w,h,m) (MAX(0, MIN((x)+(w),(m)->wx+(m)->ww) - MAX((x),(m)->wx)) \ 57 * MAX(0, MIN((y)+(h),(m)->wy+(m)->wh) - MAX((y),(m)->wy))) 58 #define ISVISIBLE(C) ((C->tags & C->mon->tagset[C->mon->seltags])) 59 #define LENGTH(X) (sizeof X / sizeof X[0]) 60 #define MOUSEMASK (BUTTONMASK|PointerMotionMask) 61 #define WIDTH(X) ((X)->w + 2 * (X)->bw) 62 #define HEIGHT(X) ((X)->h + 2 * (X)->bw) 63 #define TAGMASK ((1 << LENGTH(tags)) - 1) 64 #define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad) 65 66 /* enums */ 67 enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */ 68 enum { SchemeNorm, SchemeSel, SchemeTabActive, SchemeTabInactive }; /* color schemes */ 69 enum { NetSupported, NetWMName, NetWMState, NetWMCheck, 70 NetWMFullscreen, NetActiveWindow, NetWMWindowType, 71 NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */ 72 enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */ 73 enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle, 74 ClkClientWin, ClkRootWin, ClkLast }; /* clicks */ 75 76 typedef union { 77 int i; 78 unsigned int ui; 79 float f; 80 const void *v; 81 } Arg; 82 83 typedef struct { 84 unsigned int click; 85 unsigned int mask; 86 unsigned int button; 87 void (*func)(const Arg *arg); 88 const Arg arg; 89 } Button; 90 91 typedef struct Monitor Monitor; 92 typedef struct Client Client; 93 struct Client { 94 char name[256]; 95 float mina, maxa; 96 int x, y, w, h; 97 int oldx, oldy, oldw, oldh; 98 int basew, baseh, incw, inch, maxw, maxh, minw, minh, hintsvalid; 99 int bw, oldbw; 100 unsigned int tags; 101 int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen, isterminal, swallow; 102 pid_t pid; 103 Client *next; 104 Client *snext; 105 Client *swallowing; 106 Monitor *mon; 107 Window win; 108 }; 109 110 typedef struct { 111 unsigned int mod; 112 KeySym keysym; 113 void (*func)(const Arg *); 114 const Arg arg; 115 } Key; 116 117 typedef struct { 118 const char *symbol; 119 void (*arrange)(Monitor *); 120 } Layout; 121 122 struct Monitor { 123 char ltsymbol[16]; 124 float mfact; 125 int nmaster; 126 int num; 127 int by; /* bar geometry */ 128 int mx, my, mw, mh; /* screen size */ 129 int wx, wy, ww, wh; /* window area */ 130 unsigned int seltags; 131 unsigned int sellt; 132 unsigned int tagset[2]; 133 int showbar; 134 int topbar; 135 Client *clients; 136 Client *sel; 137 Client *stack; 138 Monitor *next; 139 Window barwin; 140 const Layout *lt[2]; 141 }; 142 143 typedef struct { 144 const char *class; 145 const char *instance; 146 const char *title; 147 unsigned int tags; 148 int isfloating; 149 int isterminal; 150 int swallow; 151 int monitor; 152 } Rule; 153 154 /* function declarations */ 155 static void applyrules(Client *c); 156 static int applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact); 157 static void arrange(Monitor *m); 158 static void arrangemon(Monitor *m); 159 static void attach(Client *c); 160 static void attachstack(Client *c); 161 static void buttonpress(XEvent *e); 162 static void checkotherwm(void); 163 static void cleanup(void); 164 static void cleanupmon(Monitor *mon); 165 static void clientmessage(XEvent *e); 166 static void configure(Client *c); 167 static void configurenotify(XEvent *e); 168 static void configurerequest(XEvent *e); 169 static Monitor *createmon(void); 170 static void deck(Monitor *m); 171 static void destroynotify(XEvent *e); 172 static void detach(Client *c); 173 static void detachstack(Client *c); 174 static Monitor *dirtomon(int dir); 175 static void drawbar(Monitor *m); 176 static void drawbars(void); 177 static void enternotify(XEvent *e); 178 static void expose(XEvent *e); 179 static void focus(Client *c); 180 static void focusin(XEvent *e); 181 static void focusmon(const Arg *arg); 182 static void focusstack(const Arg *arg); 183 static Atom getatomprop(Client *c, Atom prop); 184 static int getrootptr(int *x, int *y); 185 static long getstate(Window w); 186 static int gettextprop(Window w, Atom atom, char *text, unsigned int size); 187 static void grabbuttons(Client *c, int focused); 188 static void grabkeys(void); 189 static void incnmaster(const Arg *arg); 190 static void keypress(XEvent *e); 191 static void killclient(const Arg *arg); 192 static void manage(Window w, XWindowAttributes *wa); 193 static void mappingnotify(XEvent *e); 194 static void maprequest(XEvent *e); 195 static void monocle(Monitor *m); 196 static void motionnotify(XEvent *e); 197 static void movemouse(const Arg *arg); 198 static Client *nexttiled(Client *c); 199 static void pop(Client *c); 200 static void propertynotify(XEvent *e); 201 static void quit(const Arg *arg); 202 static Monitor *recttomon(int x, int y, int w, int h); 203 static void resize(Client *c, int x, int y, int w, int h, int interact); 204 static void resizeclient(Client *c, int x, int y, int w, int h); 205 static void resizemouse(const Arg *arg); 206 static void restack(Monitor *m); 207 static void run(void); 208 static void scan(void); 209 static int sendevent(Client *c, Atom proto); 210 static void sendmon(Client *c, Monitor *m); 211 static void setclientstate(Client *c, long state); 212 static void setfocus(Client *c); 213 static void setfullscreen(Client *c, int fullscreen); 214 static void setlayout(const Arg *arg); 215 static void setmfact(const Arg *arg); 216 static void setup(void); 217 static void seturgent(Client *c, int urg); 218 static void showhide(Client *c); 219 static void spawn(const Arg *arg); 220 static void tag(const Arg *arg); 221 static void tagmon(const Arg *arg); 222 static void tile(Monitor *m); 223 static void togglebar(const Arg *arg); 224 static void togglefloating(const Arg *arg); 225 static void togglefullscr(const Arg *arg); 226 static void toggletag(const Arg *arg); 227 static void toggleview(const Arg *arg); 228 static void unfocus(Client *c, int setfocus); 229 static void unmanage(Client *c, int destroyed); 230 static void unmapnotify(XEvent *e); 231 static void updatebarpos(Monitor *m); 232 static void updatebars(void); 233 static void updateclientlist(void); 234 static int updategeom(void); 235 static void updatenumlockmask(void); 236 static void updatesizehints(Client *c); 237 static void updatestatus(void); 238 static void updatetitle(Client *c); 239 static void updatewindowtype(Client *c); 240 static void updatewmhints(Client *c); 241 static void view(const Arg *arg); 242 static Client *wintoclient(Window w); 243 static Monitor *wintomon(Window w); 244 static int xerror(Display *dpy, XErrorEvent *ee); 245 static int xerrordummy(Display *dpy, XErrorEvent *ee); 246 static int xerrorstart(Display *dpy, XErrorEvent *ee); 247 static void zoom(const Arg *arg); 248 249 static pid_t getparentprocess(pid_t p); 250 static int isdescprocess(pid_t p, pid_t c); 251 static Client *swallowingclient(Window w); 252 static Client *termforwin(const Client *c); 253 static pid_t winpid(Window w); 254 255 /* variables */ 256 static const char broken[] = "broken"; 257 static char stext[256]; 258 static int screen; 259 static int sw, sh; /* X display screen geometry width, height */ 260 static int bh; /* bar height */ 261 static int lrpad; /* sum of left and right padding for text */ 262 static int (*xerrorxlib)(Display *, XErrorEvent *); 263 static unsigned int numlockmask = 0; 264 static void (*handler[LASTEvent]) (XEvent *) = { 265 [ButtonPress] = buttonpress, 266 [ClientMessage] = clientmessage, 267 [ConfigureRequest] = configurerequest, 268 [ConfigureNotify] = configurenotify, 269 [DestroyNotify] = destroynotify, 270 [EnterNotify] = enternotify, 271 [Expose] = expose, 272 [FocusIn] = focusin, 273 [KeyPress] = keypress, 274 [MappingNotify] = mappingnotify, 275 [MapRequest] = maprequest, 276 [MotionNotify] = motionnotify, 277 [PropertyNotify] = propertynotify, 278 [UnmapNotify] = unmapnotify 279 }; 280 static Atom wmatom[WMLast], netatom[NetLast]; 281 static int running = 1; 282 static Cur *cursor[CurLast]; 283 static Clr **scheme; 284 static Display *dpy; 285 static Drw *drw; 286 static Monitor *mons, *selmon; 287 static Window root, wmcheckwin; 288 289 static xcb_connection_t *xcon; 290 291 /* configuration, allows nested code to access above variables */ 292 #include "config.h" 293 294 /* compile-time check if all tags fit into an unsigned int bit array. */ 295 struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; }; 296 297 /* function implementations */ 298 void 299 applyrules(Client *c) 300 { 301 const char *class, *instance; 302 unsigned int i; 303 const Rule *r; 304 Monitor *m; 305 XClassHint ch = { NULL, NULL }; 306 307 /* rule matching */ 308 c->isfloating = 0; 309 c->tags = 0; 310 XGetClassHint(dpy, c->win, &ch); 311 class = ch.res_class ? ch.res_class : broken; 312 instance = ch.res_name ? ch.res_name : broken; 313 314 for (i = 0; i < LENGTH(rules); i++) { 315 r = &rules[i]; 316 if ((!r->title || strstr(c->name, r->title)) 317 && (!r->class || strstr(class, r->class)) 318 && (!r->instance || strstr(instance, r->instance))) 319 { 320 c->isterminal = r->isterminal; 321 c->swallow = r->swallow; 322 c->isfloating = r->isfloating; 323 c->tags |= r->tags; 324 for (m = mons; m && m->num != r->monitor; m = m->next); 325 if (m) 326 c->mon = m; 327 } 328 } 329 if (ch.res_class) 330 XFree(ch.res_class); 331 if (ch.res_name) 332 XFree(ch.res_name); 333 c->tags = c->tags & TAGMASK ? c->tags & TAGMASK : c->mon->tagset[c->mon->seltags]; 334 } 335 336 int 337 applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact) 338 { 339 int baseismin; 340 Monitor *m = c->mon; 341 342 /* set minimum possible */ 343 *w = MAX(1, *w); 344 *h = MAX(1, *h); 345 if (interact) { 346 if (*x > sw) 347 *x = sw - WIDTH(c); 348 if (*y > sh) 349 *y = sh - HEIGHT(c); 350 if (*x + *w + 2 * c->bw < 0) 351 *x = 0; 352 if (*y + *h + 2 * c->bw < 0) 353 *y = 0; 354 } else { 355 if (*x >= m->wx + m->ww) 356 *x = m->wx + m->ww - WIDTH(c); 357 if (*y >= m->wy + m->wh) 358 *y = m->wy + m->wh - HEIGHT(c); 359 if (*x + *w + 2 * c->bw <= m->wx) 360 *x = m->wx; 361 if (*y + *h + 2 * c->bw <= m->wy) 362 *y = m->wy; 363 } 364 if (*h < bh) 365 *h = bh; 366 if (*w < bh) 367 *w = bh; 368 if (resizehints || c->isfloating || !c->mon->lt[c->mon->sellt]->arrange) { 369 if (!c->hintsvalid) 370 updatesizehints(c); 371 /* see last two sentences in ICCCM 4.1.2.3 */ 372 baseismin = c->basew == c->minw && c->baseh == c->minh; 373 if (!baseismin) { /* temporarily remove base dimensions */ 374 *w -= c->basew; 375 *h -= c->baseh; 376 } 377 /* adjust for aspect limits */ 378 if (c->mina > 0 && c->maxa > 0) { 379 if (c->maxa < (float)*w / *h) 380 *w = *h * c->maxa + 0.5; 381 else if (c->mina < (float)*h / *w) 382 *h = *w * c->mina + 0.5; 383 } 384 if (baseismin) { /* increment calculation requires this */ 385 *w -= c->basew; 386 *h -= c->baseh; 387 } 388 /* adjust for increment value */ 389 if (c->incw) 390 *w -= *w % c->incw; 391 if (c->inch) 392 *h -= *h % c->inch; 393 /* restore base dimensions */ 394 *w = MAX(*w + c->basew, c->minw); 395 *h = MAX(*h + c->baseh, c->minh); 396 if (c->maxw) 397 *w = MIN(*w, c->maxw); 398 if (c->maxh) 399 *h = MIN(*h, c->maxh); 400 } 401 return *x != c->x || *y != c->y || *w != c->w || *h != c->h; 402 } 403 404 void 405 bartabdraw(Monitor *m, Client *c, int unused, int x, int w, int groupactive) { 406 if (!c) return; 407 int i, nclienttags = 0, nviewtags = 0; 408 409 drw_setscheme(drw, scheme[ 410 m->sel == c ? SchemeSel : (groupactive ? SchemeTabActive: SchemeTabInactive) 411 ]); 412 drw_text(drw, x, 0, w, bh, lrpad / 2, c->name, 0); 413 414 // Floating win indicator 415 if (c->isfloating) drw_rect(drw, x + 2, 2, 5, 5, 0, 0); 416 417 // Optional borders between tabs 418 if (BARTAB_BORDERS) { 419 XSetForeground(drw->dpy, drw->gc, drw->scheme[ColBorder].pixel); 420 XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, 0, 1, bh); 421 XFillRectangle(drw->dpy, drw->drawable, drw->gc, x + w, 0, 1, bh); 422 } 423 424 // Optional tags icons 425 for (i = 0; i < LENGTH(tags); i++) { 426 if ((m->tagset[m->seltags] >> i) & 1) { nviewtags++; } 427 if ((c->tags >> i) & 1) { nclienttags++; } 428 } 429 if (BARTAB_TAGSINDICATOR == 2 || nclienttags > 1 || nviewtags > 1) { 430 for (i = 0; i < LENGTH(tags); i++) { 431 drw_rect(drw, 432 ( x + w - 2 - ((LENGTH(tags) / BARTAB_TAGSROWS) * BARTAB_TAGSPX) 433 - (i % (LENGTH(tags)/BARTAB_TAGSROWS)) + ((i % (LENGTH(tags) / BARTAB_TAGSROWS)) * BARTAB_TAGSPX) 434 ), 435 ( 2 + ((i / (LENGTH(tags)/BARTAB_TAGSROWS)) * BARTAB_TAGSPX) 436 - ((i / (LENGTH(tags)/BARTAB_TAGSROWS))) 437 ), 438 BARTAB_TAGSPX, BARTAB_TAGSPX, (c->tags >> i) & 1, 0 439 ); 440 } 441 } 442 } 443 444 void 445 battabclick(Monitor *m, Client *c, int passx, int x, int w, int unused) { 446 if (passx >= x && passx <= x + w) { 447 focus(c); 448 restack(selmon); 449 } 450 } 451 452 void 453 bartabcalculate( 454 Monitor *m, int offx, int sw, int passx, 455 void(*tabfn)(Monitor *, Client *, int, int, int, int) 456 ) { 457 Client *c; 458 int 459 i, clientsnmaster = 0, clientsnstack = 0, clientsnfloating = 0, 460 masteractive = 0, fulllayout = 0, floatlayout = 0, 461 x, w, tgactive; 462 463 for (i = 0, c = m->clients; c; c = c->next) { 464 if (!ISVISIBLE(c)) continue; 465 if (c->isfloating) { clientsnfloating++; continue; } 466 if (m->sel == c) { masteractive = i < m->nmaster; } 467 if (i < m->nmaster) { clientsnmaster++; } else { clientsnstack++; } 468 i++; 469 } 470 for (i = 0; i < LENGTH(bartabfloatfns); i++) if (m ->lt[m->sellt]->arrange == bartabfloatfns[i]) { floatlayout = 1; break; } 471 for (i = 0; i < LENGTH(bartabmonfns); i++) if (m ->lt[m->sellt]->arrange == bartabmonfns[i]) { fulllayout = 1; break; } 472 for (c = m->clients, i = 0; c; c = c->next) { 473 if (!ISVISIBLE(c)) continue; 474 if (clientsnmaster + clientsnstack == 0 || floatlayout) { 475 x = offx + (((m->mw - offx - sw) / (clientsnmaster + clientsnstack + clientsnfloating)) * i); 476 w = (m->mw - offx - sw) / (clientsnmaster + clientsnstack + clientsnfloating); 477 tgactive = 1; 478 } else if (!c->isfloating && (fulllayout || ((clientsnmaster == 0) ^ (clientsnstack == 0)))) { 479 x = offx + (((m->mw - offx - sw) / (clientsnmaster + clientsnstack)) * i); 480 w = (m->mw - offx - sw) / (clientsnmaster + clientsnstack); 481 tgactive = 1; 482 } else if (i < m->nmaster && !c->isfloating) { 483 x = offx + ((((m->mw * m->mfact) - offx) /clientsnmaster) * i); 484 w = ((m->mw * m->mfact) - offx) / clientsnmaster; 485 tgactive = masteractive; 486 } else if (!c->isfloating) { 487 x = (m->mw * m->mfact) + ((((m->mw * (1 - m->mfact)) - sw) / clientsnstack) * (i - m->nmaster)); 488 w = ((m->mw * (1 - m->mfact)) - sw) / clientsnstack; 489 tgactive = !masteractive; 490 } else continue; 491 tabfn(m, c, passx, x, w, tgactive); 492 i++; 493 } 494 } 495 496 void 497 arrange(Monitor *m) 498 { 499 if (m) 500 showhide(m->stack); 501 else for (m = mons; m; m = m->next) 502 showhide(m->stack); 503 if (m) { 504 arrangemon(m); 505 restack(m); 506 } else for (m = mons; m; m = m->next) 507 arrangemon(m); 508 } 509 510 void 511 arrangemon(Monitor *m) 512 { 513 strncpy(m->ltsymbol, m->lt[m->sellt]->symbol, sizeof m->ltsymbol); 514 if (m->lt[m->sellt]->arrange) 515 m->lt[m->sellt]->arrange(m); 516 } 517 518 void 519 attach(Client *c) 520 { 521 c->next = c->mon->clients; 522 c->mon->clients = c; 523 } 524 525 void 526 attachstack(Client *c) 527 { 528 c->snext = c->mon->stack; 529 c->mon->stack = c; 530 } 531 532 void 533 swallow(Client *p, Client *c) 534 { 535 if (!c->swallow || c->isterminal) 536 return; 537 if (!c->swallow && !swallowfloating && c->isfloating) 538 return; 539 540 detach(c); 541 detachstack(c); 542 543 setclientstate(c, WithdrawnState); 544 XUnmapWindow(dpy, p->win); 545 546 p->swallowing = c; 547 c->mon = p->mon; 548 549 Window w = p->win; 550 p->win = c->win; 551 c->win = w; 552 updatetitle(p); 553 XMoveResizeWindow(dpy, p->win, p->x, p->y, p->w, p->h); 554 arrange(p->mon); 555 configure(p); 556 updateclientlist(); 557 } 558 559 void 560 unswallow(Client *c) 561 { 562 c->win = c->swallowing->win; 563 564 free(c->swallowing); 565 c->swallowing = NULL; 566 567 /* unfullscreen the client */ 568 setfullscreen(c, 0); 569 updatetitle(c); 570 arrange(c->mon); 571 XMapWindow(dpy, c->win); 572 XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h); 573 setclientstate(c, NormalState); 574 focus(NULL); 575 arrange(c->mon); 576 } 577 578 void 579 buttonpress(XEvent *e) 580 { 581 unsigned int i, x, click; 582 Arg arg = {0}; 583 Client *c; 584 Monitor *m; 585 XButtonPressedEvent *ev = &e->xbutton; 586 587 click = ClkRootWin; 588 /* focus monitor if necessary */ 589 if ((m = wintomon(ev->window)) && m != selmon) { 590 unfocus(selmon->sel, 1); 591 selmon = m; 592 focus(NULL); 593 } 594 if (ev->window == selmon->barwin) { 595 i = x = 0; 596 do 597 x += TEXTW(tags[i]); 598 while (ev->x >= x && ++i < LENGTH(tags)); 599 if (i < LENGTH(tags)) { 600 click = ClkTagBar; 601 arg.ui = 1 << i; 602 } else if (ev->x < x + TEXTW(selmon->ltsymbol)) 603 click = ClkLtSymbol; 604 else if (ev->x > selmon->ww - (int)TEXTW(stext)) 605 click = ClkStatusText; 606 else // Focus clicked tab bar item 607 bartabcalculate(selmon, x, TEXTW(stext) - lrpad + 2, ev->x, battabclick); 608 } else if ((c = wintoclient(ev->window))) { 609 focus(c); 610 restack(selmon); 611 XAllowEvents(dpy, ReplayPointer, CurrentTime); 612 click = ClkClientWin; 613 } 614 for (i = 0; i < LENGTH(buttons); i++) 615 if (click == buttons[i].click && buttons[i].func && buttons[i].button == ev->button 616 && CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state)) 617 buttons[i].func(click == ClkTagBar && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg); 618 } 619 620 void 621 checkotherwm(void) 622 { 623 xerrorxlib = XSetErrorHandler(xerrorstart); 624 /* this causes an error if some other window manager is running */ 625 XSelectInput(dpy, DefaultRootWindow(dpy), SubstructureRedirectMask); 626 XSync(dpy, False); 627 XSetErrorHandler(xerror); 628 XSync(dpy, False); 629 } 630 631 void 632 cleanup(void) 633 { 634 Arg a = {.ui = ~0}; 635 Layout foo = { "", NULL }; 636 Monitor *m; 637 size_t i; 638 639 view(&a); 640 selmon->lt[selmon->sellt] = &foo; 641 for (m = mons; m; m = m->next) 642 while (m->stack) 643 unmanage(m->stack, 0); 644 XUngrabKey(dpy, AnyKey, AnyModifier, root); 645 while (mons) 646 cleanupmon(mons); 647 for (i = 0; i < CurLast; i++) 648 drw_cur_free(drw, cursor[i]); 649 for (i = 0; i < LENGTH(colors); i++) 650 free(scheme[i]); 651 free(scheme); 652 XDestroyWindow(dpy, wmcheckwin); 653 drw_free(drw); 654 XSync(dpy, False); 655 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime); 656 XDeleteProperty(dpy, root, netatom[NetActiveWindow]); 657 } 658 659 void 660 cleanupmon(Monitor *mon) 661 { 662 Monitor *m; 663 664 if (mon == mons) 665 mons = mons->next; 666 else { 667 for (m = mons; m && m->next != mon; m = m->next); 668 m->next = mon->next; 669 } 670 XUnmapWindow(dpy, mon->barwin); 671 XDestroyWindow(dpy, mon->barwin); 672 free(mon); 673 } 674 675 void 676 clientmessage(XEvent *e) 677 { 678 XClientMessageEvent *cme = &e->xclient; 679 Client *c = wintoclient(cme->window); 680 681 if (!c) 682 return; 683 if (cme->message_type == netatom[NetWMState]) { 684 if (cme->data.l[1] == netatom[NetWMFullscreen] 685 || cme->data.l[2] == netatom[NetWMFullscreen]) 686 setfullscreen(c, (cme->data.l[0] == 1 /* _NET_WM_STATE_ADD */ 687 || (cme->data.l[0] == 2 /* _NET_WM_STATE_TOGGLE */ && !c->isfullscreen))); 688 } else if (cme->message_type == netatom[NetActiveWindow]) { 689 if (c != selmon->sel && !c->isurgent) 690 seturgent(c, 1); 691 } 692 } 693 694 void 695 configure(Client *c) 696 { 697 XConfigureEvent ce; 698 699 ce.type = ConfigureNotify; 700 ce.display = dpy; 701 ce.event = c->win; 702 ce.window = c->win; 703 ce.x = c->x; 704 ce.y = c->y; 705 ce.width = c->w; 706 ce.height = c->h; 707 ce.border_width = c->bw; 708 ce.above = None; 709 ce.override_redirect = False; 710 XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce); 711 } 712 713 void 714 configurenotify(XEvent *e) 715 { 716 Monitor *m; 717 Client *c; 718 XConfigureEvent *ev = &e->xconfigure; 719 int dirty; 720 721 /* TODO: updategeom handling sucks, needs to be simplified */ 722 if (ev->window == root) { 723 dirty = (sw != ev->width || sh != ev->height); 724 sw = ev->width; 725 sh = ev->height; 726 if (updategeom() || dirty) { 727 drw_resize(drw, sw, bh); 728 updatebars(); 729 for (m = mons; m; m = m->next) { 730 for (c = m->clients; c; c = c->next) 731 if (c->isfullscreen) 732 resizeclient(c, m->mx, m->my, m->mw, m->mh); 733 XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh); 734 } 735 focus(NULL); 736 arrange(NULL); 737 } 738 } 739 } 740 741 void 742 configurerequest(XEvent *e) 743 { 744 Client *c; 745 Monitor *m; 746 XConfigureRequestEvent *ev = &e->xconfigurerequest; 747 XWindowChanges wc; 748 749 if ((c = wintoclient(ev->window))) { 750 if (ev->value_mask & CWBorderWidth) 751 c->bw = ev->border_width; 752 else if (c->isfloating || !selmon->lt[selmon->sellt]->arrange) { 753 m = c->mon; 754 if (ev->value_mask & CWX) { 755 c->oldx = c->x; 756 c->x = m->mx + ev->x; 757 } 758 if (ev->value_mask & CWY) { 759 c->oldy = c->y; 760 c->y = m->my + ev->y; 761 } 762 if (ev->value_mask & CWWidth) { 763 c->oldw = c->w; 764 c->w = ev->width; 765 } 766 if (ev->value_mask & CWHeight) { 767 c->oldh = c->h; 768 c->h = ev->height; 769 } 770 if ((c->x + c->w) > m->mx + m->mw && c->isfloating) 771 c->x = m->mx + (m->mw / 2 - WIDTH(c) / 2); /* center in x direction */ 772 if ((c->y + c->h) > m->my + m->mh && c->isfloating) 773 c->y = m->my + (m->mh / 2 - HEIGHT(c) / 2); /* center in y direction */ 774 if ((ev->value_mask & (CWX|CWY)) && !(ev->value_mask & (CWWidth|CWHeight))) 775 configure(c); 776 if (ISVISIBLE(c)) 777 XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h); 778 } else 779 configure(c); 780 } else { 781 wc.x = ev->x; 782 wc.y = ev->y; 783 wc.width = ev->width; 784 wc.height = ev->height; 785 wc.border_width = ev->border_width; 786 wc.sibling = ev->above; 787 wc.stack_mode = ev->detail; 788 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc); 789 } 790 XSync(dpy, False); 791 } 792 793 Monitor * 794 createmon(void) 795 { 796 Monitor *m; 797 798 m = ecalloc(1, sizeof(Monitor)); 799 m->tagset[0] = m->tagset[1] = 1; 800 m->mfact = mfact; 801 m->nmaster = nmaster; 802 m->showbar = showbar; 803 m->topbar = topbar; 804 m->lt[0] = &layouts[0]; 805 m->lt[1] = &layouts[1 % LENGTH(layouts)]; 806 strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol); 807 return m; 808 } 809 810 void 811 destroynotify(XEvent *e) 812 { 813 Client *c; 814 XDestroyWindowEvent *ev = &e->xdestroywindow; 815 816 if ((c = wintoclient(ev->window))) 817 unmanage(c, 1); 818 else if ((c = swallowingclient(ev->window))) 819 unmanage(c->swallowing, 1); 820 } 821 822 void 823 deck(Monitor *m) { 824 unsigned int i, n, h, mw, my; 825 Client *c; 826 827 for(n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++); 828 if(n == 0) 829 return; 830 831 if(n > m->nmaster) { 832 mw = m->nmaster ? m->ww * m->mfact : 0; 833 snprintf(m->ltsymbol, sizeof m->ltsymbol, "[%d]", n - m->nmaster); 834 } 835 else 836 mw = m->ww; 837 for(i = my = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++) 838 if(i < m->nmaster) { 839 h = (m->wh - my) / (MIN(n, m->nmaster) - i); 840 resize(c, m->wx, m->wy + my, mw - (2*c->bw), h - (2*c->bw), False); 841 my += HEIGHT(c); 842 } 843 else 844 resize(c, m->wx + mw, m->wy, m->ww - mw - (2*c->bw), m->wh - (2*c->bw), False); 845 } 846 847 void 848 detach(Client *c) 849 { 850 Client **tc; 851 852 for (tc = &c->mon->clients; *tc && *tc != c; tc = &(*tc)->next); 853 *tc = c->next; 854 } 855 856 void 857 detachstack(Client *c) 858 { 859 Client **tc, *t; 860 861 for (tc = &c->mon->stack; *tc && *tc != c; tc = &(*tc)->snext); 862 *tc = c->snext; 863 864 if (c == c->mon->sel) { 865 for (t = c->mon->stack; t && !ISVISIBLE(t); t = t->snext); 866 c->mon->sel = t; 867 } 868 } 869 870 Monitor * 871 dirtomon(int dir) 872 { 873 Monitor *m = NULL; 874 875 if (dir > 0) { 876 if (!(m = selmon->next)) 877 m = mons; 878 } else if (selmon == mons) 879 for (m = mons; m->next; m = m->next); 880 else 881 for (m = mons; m->next != selmon; m = m->next); 882 return m; 883 } 884 885 void 886 drawbar(Monitor *m) 887 { 888 int x, w, tw = 0; 889 int boxs = drw->fonts->h / 9; 890 int boxw = drw->fonts->h / 6 + 2; 891 unsigned int i, occ = 0, urg = 0; 892 Client *c; 893 894 if (!m->showbar) 895 return; 896 897 /* draw status first so it can be overdrawn by tags later */ 898 if (m == selmon) { /* status is only drawn on selected monitor */ 899 drw_setscheme(drw, scheme[SchemeNorm]); 900 tw = TEXTW(stext) - lrpad + 2; /* 2px right padding */ 901 drw_text(drw, m->ww - tw, 0, tw, bh, 0, stext, 0); 902 } 903 904 for (c = m->clients; c; c = c->next) { 905 occ |= c->tags; 906 if (c->isurgent) 907 urg |= c->tags; 908 } 909 x = 0; 910 for (i = 0; i < LENGTH(tags); i++) { 911 w = TEXTW(tags[i]); 912 drw_setscheme(drw, scheme[m->tagset[m->seltags] & 1 << i ? SchemeSel : SchemeNorm]); 913 drw_text(drw, x, 0, w, bh, lrpad / 2, tags[i], urg & 1 << i); 914 if (occ & 1 << i) 915 drw_rect(drw, x + boxs, boxs, boxw, boxw, 916 m == selmon && selmon->sel && selmon->sel->tags & 1 << i, 917 urg & 1 << i); 918 x += w; 919 } 920 w = TEXTW(m->ltsymbol); 921 drw_setscheme(drw, scheme[SchemeNorm]); 922 x = drw_text(drw, x, 0, w, bh, lrpad / 2, m->ltsymbol, 0); 923 924 // Draw bartabgroups 925 drw_rect(drw, x, 0, m->ww - tw - x, bh, 1, 1); 926 if ((w = m->ww - tw - x) > bh) { 927 bartabcalculate(m, x, tw, -1, bartabdraw); 928 if (BARTAB_BOTTOMBORDER) { 929 drw_setscheme(drw, scheme[SchemeTabActive]); 930 drw_rect(drw, 0, bh - 1, m->ww, 1, 1, 0); 931 } 932 } 933 drw_map(drw, m->barwin, 0, 0, m->ww, bh); 934 } 935 936 void 937 drawbars(void) 938 { 939 Monitor *m; 940 941 for (m = mons; m; m = m->next) 942 drawbar(m); 943 } 944 945 void 946 enternotify(XEvent *e) 947 { 948 Client *c; 949 Monitor *m; 950 XCrossingEvent *ev = &e->xcrossing; 951 952 if ((ev->mode != NotifyNormal || ev->detail == NotifyInferior) && ev->window != root) 953 return; 954 c = wintoclient(ev->window); 955 m = c ? c->mon : wintomon(ev->window); 956 if (m != selmon) { 957 unfocus(selmon->sel, 1); 958 selmon = m; 959 } else if (!c || c == selmon->sel) 960 return; 961 focus(c); 962 } 963 964 void 965 expose(XEvent *e) 966 { 967 Monitor *m; 968 XExposeEvent *ev = &e->xexpose; 969 970 if (ev->count == 0 && (m = wintomon(ev->window))) 971 drawbar(m); 972 } 973 974 void 975 focus(Client *c) 976 { 977 if (!c || !ISVISIBLE(c)) 978 for (c = selmon->stack; c && !ISVISIBLE(c); c = c->snext); 979 if (selmon->sel && selmon->sel != c) 980 unfocus(selmon->sel, 0); 981 if (c) { 982 if (c->mon != selmon) 983 selmon = c->mon; 984 if (c->isurgent) 985 seturgent(c, 0); 986 detachstack(c); 987 attachstack(c); 988 grabbuttons(c, 1); 989 XSetWindowBorder(dpy, c->win, scheme[SchemeSel][ColBorder].pixel); 990 setfocus(c); 991 } else { 992 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime); 993 XDeleteProperty(dpy, root, netatom[NetActiveWindow]); 994 } 995 selmon->sel = c; 996 drawbars(); 997 } 998 999 /* there are some broken focus acquiring clients needing extra handling */ 1000 void 1001 focusin(XEvent *e) 1002 { 1003 XFocusChangeEvent *ev = &e->xfocus; 1004 1005 if (selmon->sel && ev->window != selmon->sel->win) 1006 setfocus(selmon->sel); 1007 } 1008 1009 void 1010 focusmon(const Arg *arg) 1011 { 1012 Monitor *m; 1013 1014 if (!mons->next) 1015 return; 1016 if ((m = dirtomon(arg->i)) == selmon) 1017 return; 1018 unfocus(selmon->sel, 0); 1019 selmon = m; 1020 focus(NULL); 1021 XWarpPointer(dpy, None, root, 0, 0, 0, 0, selmon->mx + selmon->mw/2, selmon->my + selmon->mh/2); 1022 } 1023 1024 void 1025 focusstack(const Arg *arg) 1026 { 1027 Client *c = NULL, *i; 1028 1029 if (!selmon->sel || (selmon->sel->isfullscreen && lockfullscreen)) 1030 return; 1031 if (arg->i > 0) { 1032 for (c = selmon->sel->next; c && !ISVISIBLE(c); c = c->next); 1033 if (!c) 1034 for (c = selmon->clients; c && !ISVISIBLE(c); c = c->next); 1035 } else { 1036 for (i = selmon->clients; i != selmon->sel; i = i->next) 1037 if (ISVISIBLE(i)) 1038 c = i; 1039 if (!c) 1040 for (; i; i = i->next) 1041 if (ISVISIBLE(i)) 1042 c = i; 1043 } 1044 if (c) { 1045 focus(c); 1046 restack(selmon); 1047 } 1048 } 1049 1050 Atom 1051 getatomprop(Client *c, Atom prop) 1052 { 1053 int di; 1054 unsigned long dl; 1055 unsigned char *p = NULL; 1056 Atom da, atom = None; 1057 1058 if (XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, XA_ATOM, 1059 &da, &di, &dl, &dl, &p) == Success && p) { 1060 atom = *(Atom *)p; 1061 XFree(p); 1062 } 1063 return atom; 1064 } 1065 1066 int 1067 getrootptr(int *x, int *y) 1068 { 1069 int di; 1070 unsigned int dui; 1071 Window dummy; 1072 1073 return XQueryPointer(dpy, root, &dummy, &dummy, x, y, &di, &di, &dui); 1074 } 1075 1076 long 1077 getstate(Window w) 1078 { 1079 int format; 1080 long result = -1; 1081 unsigned char *p = NULL; 1082 unsigned long n, extra; 1083 Atom real; 1084 1085 if (XGetWindowProperty(dpy, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState], 1086 &real, &format, &n, &extra, (unsigned char **)&p) != Success) 1087 return -1; 1088 if (n != 0) 1089 result = *p; 1090 XFree(p); 1091 return result; 1092 } 1093 1094 int 1095 gettextprop(Window w, Atom atom, char *text, unsigned int size) 1096 { 1097 char **list = NULL; 1098 int n; 1099 XTextProperty name; 1100 1101 if (!text || size == 0) 1102 return 0; 1103 text[0] = '\0'; 1104 if (!XGetTextProperty(dpy, w, &name, atom) || !name.nitems) 1105 return 0; 1106 if (name.encoding == XA_STRING) { 1107 strncpy(text, (char *)name.value, size - 1); 1108 } else if (XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success && n > 0 && *list) { 1109 strncpy(text, *list, size - 1); 1110 XFreeStringList(list); 1111 } 1112 text[size - 1] = '\0'; 1113 XFree(name.value); 1114 return 1; 1115 } 1116 1117 void 1118 grabbuttons(Client *c, int focused) 1119 { 1120 updatenumlockmask(); 1121 { 1122 unsigned int i, j; 1123 unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask }; 1124 XUngrabButton(dpy, AnyButton, AnyModifier, c->win); 1125 if (!focused) 1126 XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, 1127 BUTTONMASK, GrabModeSync, GrabModeSync, None, None); 1128 for (i = 0; i < LENGTH(buttons); i++) 1129 if (buttons[i].click == ClkClientWin) 1130 for (j = 0; j < LENGTH(modifiers); j++) 1131 XGrabButton(dpy, buttons[i].button, 1132 buttons[i].mask | modifiers[j], 1133 c->win, False, BUTTONMASK, 1134 GrabModeAsync, GrabModeSync, None, None); 1135 } 1136 } 1137 1138 void 1139 grabkeys(void) 1140 { 1141 updatenumlockmask(); 1142 { 1143 unsigned int i, j, k; 1144 unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask }; 1145 int start, end, skip; 1146 KeySym *syms; 1147 1148 XUngrabKey(dpy, AnyKey, AnyModifier, root); 1149 XDisplayKeycodes(dpy, &start, &end); 1150 syms = XGetKeyboardMapping(dpy, start, end - start + 1, &skip); 1151 if (!syms) 1152 return; 1153 for (k = start; k <= end; k++) 1154 for (i = 0; i < LENGTH(keys); i++) 1155 /* skip modifier codes, we do that ourselves */ 1156 if (keys[i].keysym == syms[(k - start) * skip]) 1157 for (j = 0; j < LENGTH(modifiers); j++) 1158 XGrabKey(dpy, k, 1159 keys[i].mod | modifiers[j], 1160 root, True, 1161 GrabModeAsync, GrabModeAsync); 1162 XFree(syms); 1163 } 1164 } 1165 1166 void 1167 incnmaster(const Arg *arg) 1168 { 1169 selmon->nmaster = MAX(selmon->nmaster + arg->i, 0); 1170 arrange(selmon); 1171 } 1172 1173 #ifdef XINERAMA 1174 static int 1175 isuniquegeom(XineramaScreenInfo *unique, size_t n, XineramaScreenInfo *info) 1176 { 1177 while (n--) 1178 if (unique[n].x_org == info->x_org && unique[n].y_org == info->y_org 1179 && unique[n].width == info->width && unique[n].height == info->height) 1180 return 0; 1181 return 1; 1182 } 1183 #endif /* XINERAMA */ 1184 1185 void 1186 keypress(XEvent *e) 1187 { 1188 unsigned int i; 1189 KeySym keysym; 1190 XKeyEvent *ev; 1191 1192 ev = &e->xkey; 1193 keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0); 1194 for (i = 0; i < LENGTH(keys); i++) 1195 if (keysym == keys[i].keysym 1196 && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state) 1197 && keys[i].func) 1198 keys[i].func(&(keys[i].arg)); 1199 } 1200 1201 void 1202 killclient(const Arg *arg) 1203 { 1204 if (!selmon->sel) 1205 return; 1206 if (!sendevent(selmon->sel, wmatom[WMDelete])) { 1207 XGrabServer(dpy); 1208 XSetErrorHandler(xerrordummy); 1209 XSetCloseDownMode(dpy, DestroyAll); 1210 XKillClient(dpy, selmon->sel->win); 1211 XSync(dpy, False); 1212 XSetErrorHandler(xerror); 1213 XUngrabServer(dpy); 1214 } 1215 } 1216 1217 void 1218 manage(Window w, XWindowAttributes *wa) 1219 { 1220 Client *c, *t = NULL, *term = NULL; 1221 Window trans = None; 1222 XWindowChanges wc; 1223 1224 c = ecalloc(1, sizeof(Client)); 1225 c->win = w; 1226 c->pid = winpid(w); 1227 /* geometry */ 1228 c->x = c->oldx = wa->x; 1229 c->y = c->oldy = wa->y; 1230 c->w = c->oldw = wa->width; 1231 c->h = c->oldh = wa->height; 1232 c->oldbw = wa->border_width; 1233 1234 updatetitle(c); 1235 if (XGetTransientForHint(dpy, w, &trans) && (t = wintoclient(trans))) { 1236 c->mon = t->mon; 1237 c->tags = t->tags; 1238 } else { 1239 c->mon = selmon; 1240 applyrules(c); 1241 term = termforwin(c); 1242 } 1243 1244 if (c->x + WIDTH(c) > c->mon->wx + c->mon->ww) 1245 c->x = c->mon->wx + c->mon->ww - WIDTH(c); 1246 if (c->y + HEIGHT(c) > c->mon->wy + c->mon->wh) 1247 c->y = c->mon->wy + c->mon->wh - HEIGHT(c); 1248 c->x = MAX(c->x, c->mon->wx); 1249 c->y = MAX(c->y, c->mon->wy); 1250 c->bw = borderpx; 1251 1252 wc.border_width = c->bw; 1253 XConfigureWindow(dpy, w, CWBorderWidth, &wc); 1254 XSetWindowBorder(dpy, w, scheme[SchemeNorm][ColBorder].pixel); 1255 configure(c); /* propagates border_width, if size doesn't change */ 1256 updatewindowtype(c); 1257 updatesizehints(c); 1258 updatewmhints(c); 1259 c->x = c->mon->mx + (c->mon->mw - WIDTH(c)) / 2; 1260 c->y = c->mon->my + (c->mon->mh - HEIGHT(c)) / 2; 1261 XSelectInput(dpy, w, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask); 1262 grabbuttons(c, 0); 1263 if (!c->isfloating) 1264 c->isfloating = c->oldstate = trans != None || c->isfixed; 1265 if (c->isfloating) 1266 XRaiseWindow(dpy, c->win); 1267 attach(c); 1268 attachstack(c); 1269 XChangeProperty(dpy, root, netatom[NetClientList], XA_WINDOW, 32, PropModeAppend, 1270 (unsigned char *) &(c->win), 1); 1271 XMoveResizeWindow(dpy, c->win, c->x + 2 * sw, c->y, c->w, c->h); /* some windows require this */ 1272 setclientstate(c, NormalState); 1273 if (c->mon == selmon) 1274 unfocus(selmon->sel, 0); 1275 c->mon->sel = c; 1276 arrange(c->mon); 1277 XMapWindow(dpy, c->win); 1278 if (term) 1279 swallow(term, c); 1280 focus(NULL); 1281 } 1282 1283 void 1284 mappingnotify(XEvent *e) 1285 { 1286 XMappingEvent *ev = &e->xmapping; 1287 1288 XRefreshKeyboardMapping(ev); 1289 if (ev->request == MappingKeyboard) 1290 grabkeys(); 1291 } 1292 1293 void 1294 maprequest(XEvent *e) 1295 { 1296 static XWindowAttributes wa; 1297 XMapRequestEvent *ev = &e->xmaprequest; 1298 1299 if (!XGetWindowAttributes(dpy, ev->window, &wa) || wa.override_redirect) 1300 return; 1301 if (!wintoclient(ev->window)) 1302 manage(ev->window, &wa); 1303 } 1304 1305 void 1306 monocle(Monitor *m) 1307 { 1308 unsigned int n = 0; 1309 Client *c; 1310 1311 for (c = m->clients; c; c = c->next) 1312 if (ISVISIBLE(c)) 1313 n++; 1314 if (n > 0) /* override layout symbol */ 1315 snprintf(m->ltsymbol, sizeof m->ltsymbol, "[%d]", n); 1316 for (c = nexttiled(m->clients); c; c = nexttiled(c->next)) 1317 resize(c, m->wx, m->wy, m->ww - 2 * c->bw, m->wh - 2 * c->bw, 0); 1318 } 1319 1320 void 1321 motionnotify(XEvent *e) 1322 { 1323 static Monitor *mon = NULL; 1324 Monitor *m; 1325 XMotionEvent *ev = &e->xmotion; 1326 1327 if (ev->window != root) 1328 return; 1329 if ((m = recttomon(ev->x_root, ev->y_root, 1, 1)) != mon && mon) { 1330 unfocus(selmon->sel, 1); 1331 selmon = m; 1332 focus(NULL); 1333 } 1334 mon = m; 1335 } 1336 1337 void 1338 movemouse(const Arg *arg) 1339 { 1340 int x, y, ocx, ocy, nx, ny; 1341 Client *c; 1342 Monitor *m; 1343 XEvent ev; 1344 Time lasttime = 0; 1345 1346 if (!(c = selmon->sel)) 1347 return; 1348 if (c->isfullscreen) /* no support moving fullscreen windows by mouse */ 1349 return; 1350 restack(selmon); 1351 ocx = c->x; 1352 ocy = c->y; 1353 if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync, 1354 None, cursor[CurMove]->cursor, CurrentTime) != GrabSuccess) 1355 return; 1356 if (!getrootptr(&x, &y)) 1357 return; 1358 do { 1359 XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev); 1360 switch(ev.type) { 1361 case ConfigureRequest: 1362 case Expose: 1363 case MapRequest: 1364 handler[ev.type](&ev); 1365 break; 1366 case MotionNotify: 1367 if ((ev.xmotion.time - lasttime) <= (1000 / 60)) 1368 continue; 1369 lasttime = ev.xmotion.time; 1370 1371 nx = ocx + (ev.xmotion.x - x); 1372 ny = ocy + (ev.xmotion.y - y); 1373 if (abs(selmon->wx - nx) < snap) 1374 nx = selmon->wx; 1375 else if (abs((selmon->wx + selmon->ww) - (nx + WIDTH(c))) < snap) 1376 nx = selmon->wx + selmon->ww - WIDTH(c); 1377 if (abs(selmon->wy - ny) < snap) 1378 ny = selmon->wy; 1379 else if (abs((selmon->wy + selmon->wh) - (ny + HEIGHT(c))) < snap) 1380 ny = selmon->wy + selmon->wh - HEIGHT(c); 1381 if (!c->isfloating && selmon->lt[selmon->sellt]->arrange 1382 && (abs(nx - c->x) > snap || abs(ny - c->y) > snap)) 1383 togglefloating(NULL); 1384 if (!selmon->lt[selmon->sellt]->arrange || c->isfloating) 1385 resize(c, nx, ny, c->w, c->h, 1); 1386 break; 1387 } 1388 } while (ev.type != ButtonRelease); 1389 XUngrabPointer(dpy, CurrentTime); 1390 if ((m = recttomon(c->x, c->y, c->w, c->h)) != selmon) { 1391 sendmon(c, m); 1392 selmon = m; 1393 focus(NULL); 1394 } 1395 } 1396 1397 Client * 1398 nexttiled(Client *c) 1399 { 1400 for (; c && (c->isfloating || !ISVISIBLE(c)); c = c->next); 1401 return c; 1402 } 1403 1404 void 1405 pop(Client *c) 1406 { 1407 detach(c); 1408 attach(c); 1409 focus(c); 1410 arrange(c->mon); 1411 } 1412 1413 void 1414 propertynotify(XEvent *e) 1415 { 1416 Client *c; 1417 Window trans; 1418 XPropertyEvent *ev = &e->xproperty; 1419 1420 if ((ev->window == root) && (ev->atom == XA_WM_NAME)) 1421 updatestatus(); 1422 else if (ev->state == PropertyDelete) 1423 return; /* ignore */ 1424 else if ((c = wintoclient(ev->window))) { 1425 switch(ev->atom) { 1426 default: break; 1427 case XA_WM_TRANSIENT_FOR: 1428 if (!c->isfloating && (XGetTransientForHint(dpy, c->win, &trans)) && 1429 (c->isfloating = (wintoclient(trans)) != NULL)) 1430 arrange(c->mon); 1431 break; 1432 case XA_WM_NORMAL_HINTS: 1433 c->hintsvalid = 0; 1434 break; 1435 case XA_WM_HINTS: 1436 updatewmhints(c); 1437 drawbars(); 1438 break; 1439 } 1440 if (ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) { 1441 updatetitle(c); 1442 if (c == c->mon->sel) 1443 drawbar(c->mon); 1444 } 1445 if (ev->atom == netatom[NetWMWindowType]) 1446 updatewindowtype(c); 1447 } 1448 } 1449 1450 void 1451 quit(const Arg *arg) 1452 { 1453 running = 0; 1454 } 1455 1456 Monitor * 1457 recttomon(int x, int y, int w, int h) 1458 { 1459 Monitor *m, *r = selmon; 1460 int a, area = 0; 1461 1462 for (m = mons; m; m = m->next) 1463 if ((a = INTERSECT(x, y, w, h, m)) > area) { 1464 area = a; 1465 r = m; 1466 } 1467 return r; 1468 } 1469 1470 void 1471 resize(Client *c, int x, int y, int w, int h, int interact) 1472 { 1473 if (applysizehints(c, &x, &y, &w, &h, interact)) 1474 resizeclient(c, x, y, w, h); 1475 } 1476 1477 void 1478 resizeclient(Client *c, int x, int y, int w, int h) 1479 { 1480 XWindowChanges wc; 1481 1482 c->oldx = c->x; c->x = wc.x = x; 1483 c->oldy = c->y; c->y = wc.y = y; 1484 c->oldw = c->w; c->w = wc.width = w; 1485 c->oldh = c->h; c->h = wc.height = h; 1486 wc.border_width = c->bw; 1487 XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc); 1488 configure(c); 1489 XSync(dpy, False); 1490 } 1491 1492 void 1493 resizemouse(const Arg *arg) 1494 { 1495 int ocx, ocy, nw, nh; 1496 Client *c; 1497 Monitor *m; 1498 XEvent ev; 1499 Time lasttime = 0; 1500 1501 if (!(c = selmon->sel)) 1502 return; 1503 if (c->isfullscreen) /* no support resizing fullscreen windows by mouse */ 1504 return; 1505 restack(selmon); 1506 ocx = c->x; 1507 ocy = c->y; 1508 if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync, 1509 None, cursor[CurResize]->cursor, CurrentTime) != GrabSuccess) 1510 return; 1511 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1); 1512 do { 1513 XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev); 1514 switch(ev.type) { 1515 case ConfigureRequest: 1516 case Expose: 1517 case MapRequest: 1518 handler[ev.type](&ev); 1519 break; 1520 case MotionNotify: 1521 if ((ev.xmotion.time - lasttime) <= (1000 / 60)) 1522 continue; 1523 lasttime = ev.xmotion.time; 1524 1525 nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1); 1526 nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1); 1527 if (c->mon->wx + nw >= selmon->wx && c->mon->wx + nw <= selmon->wx + selmon->ww 1528 && c->mon->wy + nh >= selmon->wy && c->mon->wy + nh <= selmon->wy + selmon->wh) 1529 { 1530 if (!c->isfloating && selmon->lt[selmon->sellt]->arrange 1531 && (abs(nw - c->w) > snap || abs(nh - c->h) > snap)) 1532 togglefloating(NULL); 1533 } 1534 if (!selmon->lt[selmon->sellt]->arrange || c->isfloating) 1535 resize(c, c->x, c->y, nw, nh, 1); 1536 break; 1537 } 1538 } while (ev.type != ButtonRelease); 1539 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1); 1540 XUngrabPointer(dpy, CurrentTime); 1541 while (XCheckMaskEvent(dpy, EnterWindowMask, &ev)); 1542 if ((m = recttomon(c->x, c->y, c->w, c->h)) != selmon) { 1543 sendmon(c, m); 1544 selmon = m; 1545 focus(NULL); 1546 } 1547 } 1548 1549 void 1550 restack(Monitor *m) 1551 { 1552 Client *c; 1553 XEvent ev; 1554 XWindowChanges wc; 1555 1556 drawbar(m); 1557 if (!m->sel) 1558 return; 1559 if (m->sel->isfloating || !m->lt[m->sellt]->arrange) 1560 XRaiseWindow(dpy, m->sel->win); 1561 if (m->lt[m->sellt]->arrange) { 1562 wc.stack_mode = Below; 1563 wc.sibling = m->barwin; 1564 for (c = m->stack; c; c = c->snext) 1565 if (!c->isfloating && ISVISIBLE(c)) { 1566 XConfigureWindow(dpy, c->win, CWSibling|CWStackMode, &wc); 1567 wc.sibling = c->win; 1568 } 1569 } 1570 XSync(dpy, False); 1571 while (XCheckMaskEvent(dpy, EnterWindowMask, &ev)); 1572 } 1573 1574 void 1575 run(void) 1576 { 1577 XEvent ev; 1578 /* main event loop */ 1579 XSync(dpy, False); 1580 while (running && !XNextEvent(dpy, &ev)) 1581 if (handler[ev.type]) 1582 handler[ev.type](&ev); /* call handler */ 1583 } 1584 1585 void 1586 scan(void) 1587 { 1588 unsigned int i, num; 1589 Window d1, d2, *wins = NULL; 1590 XWindowAttributes wa; 1591 1592 if (XQueryTree(dpy, root, &d1, &d2, &wins, &num)) { 1593 for (i = 0; i < num; i++) { 1594 if (!XGetWindowAttributes(dpy, wins[i], &wa) 1595 || wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) 1596 continue; 1597 if (wa.map_state == IsViewable || getstate(wins[i]) == IconicState) 1598 manage(wins[i], &wa); 1599 } 1600 for (i = 0; i < num; i++) { /* now the transients */ 1601 if (!XGetWindowAttributes(dpy, wins[i], &wa)) 1602 continue; 1603 if (XGetTransientForHint(dpy, wins[i], &d1) 1604 && (wa.map_state == IsViewable || getstate(wins[i]) == IconicState)) 1605 manage(wins[i], &wa); 1606 } 1607 if (wins) 1608 XFree(wins); 1609 } 1610 } 1611 1612 void 1613 sendmon(Client *c, Monitor *m) 1614 { 1615 if (c->mon == m) 1616 return; 1617 unfocus(c, 1); 1618 detach(c); 1619 detachstack(c); 1620 c->mon = m; 1621 c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */ 1622 attach(c); 1623 attachstack(c); 1624 focus(NULL); 1625 arrange(NULL); 1626 } 1627 1628 void 1629 setclientstate(Client *c, long state) 1630 { 1631 long data[] = { state, None }; 1632 1633 XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32, 1634 PropModeReplace, (unsigned char *)data, 2); 1635 } 1636 1637 int 1638 sendevent(Client *c, Atom proto) 1639 { 1640 int n; 1641 Atom *protocols; 1642 int exists = 0; 1643 XEvent ev; 1644 1645 if (XGetWMProtocols(dpy, c->win, &protocols, &n)) { 1646 while (!exists && n--) 1647 exists = protocols[n] == proto; 1648 XFree(protocols); 1649 } 1650 if (exists) { 1651 ev.type = ClientMessage; 1652 ev.xclient.window = c->win; 1653 ev.xclient.message_type = wmatom[WMProtocols]; 1654 ev.xclient.format = 32; 1655 ev.xclient.data.l[0] = proto; 1656 ev.xclient.data.l[1] = CurrentTime; 1657 XSendEvent(dpy, c->win, False, NoEventMask, &ev); 1658 } 1659 return exists; 1660 } 1661 1662 void 1663 setfocus(Client *c) 1664 { 1665 if (!c->neverfocus) { 1666 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime); 1667 XChangeProperty(dpy, root, netatom[NetActiveWindow], 1668 XA_WINDOW, 32, PropModeReplace, 1669 (unsigned char *) &(c->win), 1); 1670 } 1671 sendevent(c, wmatom[WMTakeFocus]); 1672 } 1673 1674 void 1675 setfullscreen(Client *c, int fullscreen) 1676 { 1677 if (fullscreen && !c->isfullscreen) { 1678 XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32, 1679 PropModeReplace, (unsigned char*)&netatom[NetWMFullscreen], 1); 1680 c->isfullscreen = 1; 1681 c->oldstate = c->isfloating; 1682 c->oldbw = c->bw; 1683 c->bw = 0; 1684 c->isfloating = 1; 1685 resizeclient(c, c->mon->mx, c->mon->my, c->mon->mw, c->mon->mh); 1686 XRaiseWindow(dpy, c->win); 1687 } else if (!fullscreen && c->isfullscreen){ 1688 XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32, 1689 PropModeReplace, (unsigned char*)0, 0); 1690 c->isfullscreen = 0; 1691 c->isfloating = c->oldstate; 1692 c->bw = c->oldbw; 1693 c->x = c->oldx; 1694 c->y = c->oldy; 1695 c->w = c->oldw; 1696 c->h = c->oldh; 1697 resizeclient(c, c->x, c->y, c->w, c->h); 1698 arrange(c->mon); 1699 } 1700 } 1701 1702 void 1703 setlayout(const Arg *arg) 1704 { 1705 if (!arg || !arg->v || arg->v != selmon->lt[selmon->sellt]) 1706 selmon->sellt ^= 1; 1707 if (arg && arg->v) 1708 selmon->lt[selmon->sellt] = (Layout *)arg->v; 1709 strncpy(selmon->ltsymbol, selmon->lt[selmon->sellt]->symbol, sizeof selmon->ltsymbol); 1710 if (selmon->sel) 1711 arrange(selmon); 1712 else 1713 drawbar(selmon); 1714 } 1715 1716 /* arg > 1.0 will set mfact absolutely */ 1717 void 1718 setmfact(const Arg *arg) 1719 { 1720 float f; 1721 1722 if (!arg || !selmon->lt[selmon->sellt]->arrange) 1723 return; 1724 f = arg->f < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0; 1725 if (f < 0.05 || f > 0.95) 1726 return; 1727 selmon->mfact = f; 1728 arrange(selmon); 1729 } 1730 1731 void 1732 setup(void) 1733 { 1734 int i; 1735 XSetWindowAttributes wa; 1736 Atom utf8string; 1737 struct sigaction sa; 1738 1739 /* do not transform children into zombies when they terminate */ 1740 sigemptyset(&sa.sa_mask); 1741 sa.sa_flags = SA_NOCLDSTOP | SA_NOCLDWAIT | SA_RESTART; 1742 sa.sa_handler = SIG_IGN; 1743 sigaction(SIGCHLD, &sa, NULL); 1744 1745 /* clean up any zombies (inherited from .xinitrc etc) immediately */ 1746 while (waitpid(-1, NULL, WNOHANG) > 0); 1747 1748 /* init screen */ 1749 screen = DefaultScreen(dpy); 1750 sw = DisplayWidth(dpy, screen); 1751 sh = DisplayHeight(dpy, screen); 1752 root = RootWindow(dpy, screen); 1753 drw = drw_create(dpy, screen, root, sw, sh); 1754 if (!drw_fontset_create(drw, fonts, LENGTH(fonts))) 1755 die("no fonts could be loaded."); 1756 lrpad = drw->fonts->h; 1757 bh = drw->fonts->h + 2; 1758 updategeom(); 1759 /* init atoms */ 1760 utf8string = XInternAtom(dpy, "UTF8_STRING", False); 1761 wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False); 1762 wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False); 1763 wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False); 1764 wmatom[WMTakeFocus] = XInternAtom(dpy, "WM_TAKE_FOCUS", False); 1765 netatom[NetActiveWindow] = XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False); 1766 netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False); 1767 netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); 1768 netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False); 1769 netatom[NetWMCheck] = XInternAtom(dpy, "_NET_SUPPORTING_WM_CHECK", False); 1770 netatom[NetWMFullscreen] = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False); 1771 netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False); 1772 netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False); 1773 netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False); 1774 /* init cursors */ 1775 cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr); 1776 cursor[CurResize] = drw_cur_create(drw, XC_sizing); 1777 cursor[CurMove] = drw_cur_create(drw, XC_fleur); 1778 /* init appearance */ 1779 scheme = ecalloc(LENGTH(colors), sizeof(Clr *)); 1780 for (i = 0; i < LENGTH(colors); i++) 1781 scheme[i] = drw_scm_create(drw, colors[i], 3); 1782 /* init bars */ 1783 updatebars(); 1784 updatestatus(); 1785 /* supporting window for NetWMCheck */ 1786 wmcheckwin = XCreateSimpleWindow(dpy, root, 0, 0, 1, 1, 0, 0, 0); 1787 XChangeProperty(dpy, wmcheckwin, netatom[NetWMCheck], XA_WINDOW, 32, 1788 PropModeReplace, (unsigned char *) &wmcheckwin, 1); 1789 XChangeProperty(dpy, wmcheckwin, netatom[NetWMName], utf8string, 8, 1790 PropModeReplace, (unsigned char *) "dwm", 3); 1791 XChangeProperty(dpy, root, netatom[NetWMCheck], XA_WINDOW, 32, 1792 PropModeReplace, (unsigned char *) &wmcheckwin, 1); 1793 /* EWMH support per view */ 1794 XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32, 1795 PropModeReplace, (unsigned char *) netatom, NetLast); 1796 XDeleteProperty(dpy, root, netatom[NetClientList]); 1797 /* select events */ 1798 wa.cursor = cursor[CurNormal]->cursor; 1799 wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask 1800 |ButtonPressMask|PointerMotionMask|EnterWindowMask 1801 |LeaveWindowMask|StructureNotifyMask|PropertyChangeMask; 1802 XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa); 1803 XSelectInput(dpy, root, wa.event_mask); 1804 grabkeys(); 1805 focus(NULL); 1806 } 1807 1808 void 1809 seturgent(Client *c, int urg) 1810 { 1811 XWMHints *wmh; 1812 1813 c->isurgent = urg; 1814 if (!(wmh = XGetWMHints(dpy, c->win))) 1815 return; 1816 wmh->flags = urg ? (wmh->flags | XUrgencyHint) : (wmh->flags & ~XUrgencyHint); 1817 XSetWMHints(dpy, c->win, wmh); 1818 XFree(wmh); 1819 } 1820 1821 void 1822 showhide(Client *c) 1823 { 1824 if (!c) 1825 return; 1826 if (ISVISIBLE(c)) { 1827 /* show clients top down */ 1828 XMoveWindow(dpy, c->win, c->x, c->y); 1829 if ((!c->mon->lt[c->mon->sellt]->arrange || c->isfloating) && !c->isfullscreen) 1830 resize(c, c->x, c->y, c->w, c->h, 0); 1831 showhide(c->snext); 1832 } else { 1833 /* hide clients bottom up */ 1834 showhide(c->snext); 1835 XMoveWindow(dpy, c->win, WIDTH(c) * -2, c->y); 1836 } 1837 } 1838 1839 void 1840 spawn(const Arg *arg) 1841 { 1842 struct sigaction sa; 1843 1844 if (arg->v == dmenucmd) 1845 dmenumon[0] = '0' + selmon->num; 1846 if (fork() == 0) { 1847 if (dpy) 1848 close(ConnectionNumber(dpy)); 1849 setsid(); 1850 1851 sigemptyset(&sa.sa_mask); 1852 sa.sa_flags = 0; 1853 sa.sa_handler = SIG_DFL; 1854 sigaction(SIGCHLD, &sa, NULL); 1855 1856 execvp(((char **)arg->v)[0], (char **)arg->v); 1857 die("dwm: execvp '%s' failed:", ((char **)arg->v)[0]); 1858 } 1859 } 1860 1861 void 1862 tag(const Arg *arg) 1863 { 1864 if (selmon->sel && arg->ui & TAGMASK) { 1865 selmon->sel->tags = arg->ui & TAGMASK; 1866 focus(NULL); 1867 arrange(selmon); 1868 } 1869 } 1870 1871 void 1872 tagmon(const Arg *arg) 1873 { 1874 if (!selmon->sel || !mons->next) 1875 return; 1876 sendmon(selmon->sel, dirtomon(arg->i)); 1877 focusmon(arg); 1878 } 1879 1880 void 1881 tile(Monitor *m) 1882 { 1883 unsigned int i, n, h, mw, my, ty; 1884 Client *c; 1885 1886 for (n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++); 1887 if (n == 0) 1888 return; 1889 1890 if (n > m->nmaster) 1891 mw = m->nmaster ? m->ww * m->mfact : 0; 1892 else 1893 mw = m->ww; 1894 for (i = my = ty = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++) 1895 if (i < m->nmaster) { 1896 h = (m->wh - my) / (MIN(n, m->nmaster) - i); 1897 resize(c, m->wx, m->wy + my, mw - (2*c->bw), h - (2*c->bw), 0); 1898 if (my + HEIGHT(c) < m->wh) 1899 my += HEIGHT(c); 1900 } else { 1901 h = (m->wh - ty) / (n - i); 1902 resize(c, m->wx + mw, m->wy + ty, m->ww - mw - (2*c->bw), h - (2*c->bw), 0); 1903 if (ty + HEIGHT(c) < m->wh) 1904 ty += HEIGHT(c); 1905 } 1906 } 1907 1908 void 1909 togglebar(const Arg *arg) 1910 { 1911 selmon->showbar = !selmon->showbar; 1912 updatebarpos(selmon); 1913 XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh); 1914 arrange(selmon); 1915 } 1916 1917 void 1918 togglefloating(const Arg *arg) 1919 { 1920 if (!selmon->sel) 1921 return; 1922 if (selmon->sel->isfullscreen) /* no support for fullscreen windows */ 1923 return; 1924 selmon->sel->isfloating = !selmon->sel->isfloating || selmon->sel->isfixed; 1925 if (selmon->sel->isfloating) 1926 resize(selmon->sel, selmon->sel->x, selmon->sel->y, 1927 selmon->sel->w, selmon->sel->h, 0); 1928 arrange(selmon); 1929 } 1930 1931 void 1932 togglefullscr(const Arg *arg) 1933 { 1934 if (selmon->sel) 1935 setfullscreen(selmon->sel, !selmon->sel->isfullscreen); 1936 } 1937 1938 void 1939 toggletag(const Arg *arg) 1940 { 1941 unsigned int newtags; 1942 1943 if (!selmon->sel) 1944 return; 1945 newtags = selmon->sel->tags ^ (arg->ui & TAGMASK); 1946 if (newtags) { 1947 selmon->sel->tags = newtags; 1948 focus(NULL); 1949 arrange(selmon); 1950 } 1951 } 1952 1953 void 1954 toggleview(const Arg *arg) 1955 { 1956 unsigned int newtagset = selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK); 1957 1958 if (newtagset) { 1959 selmon->tagset[selmon->seltags] = newtagset; 1960 focus(NULL); 1961 arrange(selmon); 1962 } 1963 } 1964 1965 void 1966 unfocus(Client *c, int setfocus) 1967 { 1968 if (!c) 1969 return; 1970 grabbuttons(c, 0); 1971 XSetWindowBorder(dpy, c->win, scheme[SchemeNorm][ColBorder].pixel); 1972 if (setfocus) { 1973 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime); 1974 XDeleteProperty(dpy, root, netatom[NetActiveWindow]); 1975 } 1976 } 1977 1978 void 1979 unmanage(Client *c, int destroyed) 1980 { 1981 Monitor *m = c->mon; 1982 XWindowChanges wc; 1983 1984 if (c->swallowing) { 1985 unswallow(c); 1986 return; 1987 } 1988 1989 Client *s = swallowingclient(c->win); 1990 if (s) { 1991 free(s->swallowing); 1992 s->swallowing = NULL; 1993 arrange(m); 1994 focus(NULL); 1995 return; 1996 } 1997 1998 detach(c); 1999 detachstack(c); 2000 if (!destroyed) { 2001 wc.border_width = c->oldbw; 2002 XGrabServer(dpy); /* avoid race conditions */ 2003 XSetErrorHandler(xerrordummy); 2004 XSelectInput(dpy, c->win, NoEventMask); 2005 XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */ 2006 XUngrabButton(dpy, AnyButton, AnyModifier, c->win); 2007 setclientstate(c, WithdrawnState); 2008 XSync(dpy, False); 2009 XSetErrorHandler(xerror); 2010 XUngrabServer(dpy); 2011 } 2012 free(c); 2013 2014 if (!s) { 2015 arrange(m); 2016 focus(NULL); 2017 updateclientlist(); 2018 } 2019 } 2020 2021 void 2022 unmapnotify(XEvent *e) 2023 { 2024 Client *c; 2025 XUnmapEvent *ev = &e->xunmap; 2026 2027 if ((c = wintoclient(ev->window))) { 2028 if (ev->send_event) 2029 setclientstate(c, WithdrawnState); 2030 else 2031 unmanage(c, 0); 2032 } 2033 } 2034 2035 void 2036 updatebars(void) 2037 { 2038 Monitor *m; 2039 XSetWindowAttributes wa = { 2040 .override_redirect = True, 2041 .background_pixmap = ParentRelative, 2042 .event_mask = ButtonPressMask|ExposureMask 2043 }; 2044 XClassHint ch = {"dwm", "dwm"}; 2045 for (m = mons; m; m = m->next) { 2046 if (m->barwin) 2047 continue; 2048 m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen), 2049 CopyFromParent, DefaultVisual(dpy, screen), 2050 CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa); 2051 XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor); 2052 XMapRaised(dpy, m->barwin); 2053 XSetClassHint(dpy, m->barwin, &ch); 2054 } 2055 } 2056 2057 void 2058 updatebarpos(Monitor *m) 2059 { 2060 m->wy = m->my; 2061 m->wh = m->mh; 2062 if (m->showbar) { 2063 m->wh -= bh; 2064 m->by = m->topbar ? m->wy : m->wy + m->wh; 2065 m->wy = m->topbar ? m->wy + bh : m->wy; 2066 } else 2067 m->by = -bh; 2068 } 2069 2070 void 2071 updateclientlist(void) 2072 { 2073 Client *c; 2074 Monitor *m; 2075 2076 XDeleteProperty(dpy, root, netatom[NetClientList]); 2077 for (m = mons; m; m = m->next) 2078 for (c = m->clients; c; c = c->next) 2079 XChangeProperty(dpy, root, netatom[NetClientList], 2080 XA_WINDOW, 32, PropModeAppend, 2081 (unsigned char *) &(c->win), 1); 2082 } 2083 2084 int 2085 updategeom(void) 2086 { 2087 int dirty = 0; 2088 2089 #ifdef XINERAMA 2090 if (XineramaIsActive(dpy)) { 2091 int i, j, n, nn; 2092 Client *c; 2093 Monitor *m; 2094 XineramaScreenInfo *info = XineramaQueryScreens(dpy, &nn); 2095 XineramaScreenInfo *unique = NULL; 2096 2097 for (n = 0, m = mons; m; m = m->next, n++); 2098 /* only consider unique geometries as separate screens */ 2099 unique = ecalloc(nn, sizeof(XineramaScreenInfo)); 2100 for (i = 0, j = 0; i < nn; i++) 2101 if (isuniquegeom(unique, j, &info[i])) 2102 memcpy(&unique[j++], &info[i], sizeof(XineramaScreenInfo)); 2103 XFree(info); 2104 nn = j; 2105 2106 /* new monitors if nn > n */ 2107 for (i = n; i < nn; i++) { 2108 for (m = mons; m && m->next; m = m->next); 2109 if (m) 2110 m->next = createmon(); 2111 else 2112 mons = createmon(); 2113 } 2114 for (i = 0, m = mons; i < nn && m; m = m->next, i++) 2115 if (i >= n 2116 || unique[i].x_org != m->mx || unique[i].y_org != m->my 2117 || unique[i].width != m->mw || unique[i].height != m->mh) 2118 { 2119 dirty = 1; 2120 m->num = i; 2121 m->mx = m->wx = unique[i].x_org; 2122 m->my = m->wy = unique[i].y_org; 2123 m->mw = m->ww = unique[i].width; 2124 m->mh = m->wh = unique[i].height; 2125 updatebarpos(m); 2126 } 2127 /* removed monitors if n > nn */ 2128 for (i = nn; i < n; i++) { 2129 for (m = mons; m && m->next; m = m->next); 2130 while ((c = m->clients)) { 2131 dirty = 1; 2132 m->clients = c->next; 2133 detachstack(c); 2134 c->mon = mons; 2135 attach(c); 2136 attachstack(c); 2137 } 2138 if (m == selmon) 2139 selmon = mons; 2140 cleanupmon(m); 2141 } 2142 free(unique); 2143 } else 2144 #endif /* XINERAMA */ 2145 { /* default monitor setup */ 2146 if (!mons) 2147 mons = createmon(); 2148 if (mons->mw != sw || mons->mh != sh) { 2149 dirty = 1; 2150 mons->mw = mons->ww = sw; 2151 mons->mh = mons->wh = sh; 2152 updatebarpos(mons); 2153 } 2154 } 2155 if (dirty) { 2156 selmon = mons; 2157 selmon = wintomon(root); 2158 } 2159 return dirty; 2160 } 2161 2162 void 2163 updatenumlockmask(void) 2164 { 2165 unsigned int i, j; 2166 XModifierKeymap *modmap; 2167 2168 numlockmask = 0; 2169 modmap = XGetModifierMapping(dpy); 2170 for (i = 0; i < 8; i++) 2171 for (j = 0; j < modmap->max_keypermod; j++) 2172 if (modmap->modifiermap[i * modmap->max_keypermod + j] 2173 == XKeysymToKeycode(dpy, XK_Num_Lock)) 2174 numlockmask = (1 << i); 2175 XFreeModifiermap(modmap); 2176 } 2177 2178 void 2179 updatesizehints(Client *c) 2180 { 2181 long msize; 2182 XSizeHints size; 2183 2184 if (!XGetWMNormalHints(dpy, c->win, &size, &msize)) 2185 /* size is uninitialized, ensure that size.flags aren't used */ 2186 size.flags = PSize; 2187 if (size.flags & PBaseSize) { 2188 c->basew = size.base_width; 2189 c->baseh = size.base_height; 2190 } else if (size.flags & PMinSize) { 2191 c->basew = size.min_width; 2192 c->baseh = size.min_height; 2193 } else 2194 c->basew = c->baseh = 0; 2195 if (size.flags & PResizeInc) { 2196 c->incw = size.width_inc; 2197 c->inch = size.height_inc; 2198 } else 2199 c->incw = c->inch = 0; 2200 if (size.flags & PMaxSize) { 2201 c->maxw = size.max_width; 2202 c->maxh = size.max_height; 2203 } else 2204 c->maxw = c->maxh = 0; 2205 if (size.flags & PMinSize) { 2206 c->minw = size.min_width; 2207 c->minh = size.min_height; 2208 } else if (size.flags & PBaseSize) { 2209 c->minw = size.base_width; 2210 c->minh = size.base_height; 2211 } else 2212 c->minw = c->minh = 0; 2213 if (size.flags & PAspect) { 2214 c->mina = (float)size.min_aspect.y / size.min_aspect.x; 2215 c->maxa = (float)size.max_aspect.x / size.max_aspect.y; 2216 } else 2217 c->maxa = c->mina = 0.0; 2218 c->isfixed = (c->maxw && c->maxh && c->maxw == c->minw && c->maxh == c->minh); 2219 c->hintsvalid = 1; 2220 } 2221 2222 void 2223 updatestatus(void) 2224 { 2225 if (!gettextprop(root, XA_WM_NAME, stext, sizeof(stext))) 2226 strcpy(stext, "dwm-"VERSION); 2227 drawbar(selmon); 2228 } 2229 2230 void 2231 updatetitle(Client *c) 2232 { 2233 if (!gettextprop(c->win, netatom[NetWMName], c->name, sizeof c->name)) 2234 gettextprop(c->win, XA_WM_NAME, c->name, sizeof c->name); 2235 if (c->name[0] == '\0') /* hack to mark broken clients */ 2236 strcpy(c->name, broken); 2237 } 2238 2239 void 2240 updatewindowtype(Client *c) 2241 { 2242 Atom state = getatomprop(c, netatom[NetWMState]); 2243 Atom wtype = getatomprop(c, netatom[NetWMWindowType]); 2244 2245 if (state == netatom[NetWMFullscreen]) 2246 setfullscreen(c, 1); 2247 if (wtype == netatom[NetWMWindowTypeDialog]) 2248 c->isfloating = 1; 2249 } 2250 2251 void 2252 updatewmhints(Client *c) 2253 { 2254 XWMHints *wmh; 2255 2256 if ((wmh = XGetWMHints(dpy, c->win))) { 2257 if (c == selmon->sel && wmh->flags & XUrgencyHint) { 2258 wmh->flags &= ~XUrgencyHint; 2259 XSetWMHints(dpy, c->win, wmh); 2260 } else 2261 c->isurgent = (wmh->flags & XUrgencyHint) ? 1 : 0; 2262 if (wmh->flags & InputHint) 2263 c->neverfocus = !wmh->input; 2264 else 2265 c->neverfocus = 0; 2266 XFree(wmh); 2267 } 2268 } 2269 2270 void 2271 view(const Arg *arg) 2272 { 2273 if ((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags]) 2274 return; 2275 selmon->seltags ^= 1; /* toggle sel tagset */ 2276 if (arg->ui & TAGMASK) 2277 selmon->tagset[selmon->seltags] = arg->ui & TAGMASK; 2278 focus(NULL); 2279 arrange(selmon); 2280 } 2281 2282 pid_t 2283 winpid(Window w) 2284 { 2285 pid_t result = 0; 2286 2287 #ifdef __linux__ 2288 xcb_res_client_id_spec_t spec = {0}; 2289 spec.client = w; 2290 spec.mask = XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID; 2291 2292 xcb_generic_error_t *e = NULL; 2293 xcb_res_query_client_ids_cookie_t c = xcb_res_query_client_ids(xcon, 1, &spec); 2294 xcb_res_query_client_ids_reply_t *r = xcb_res_query_client_ids_reply(xcon, c, &e); 2295 2296 if (!r) 2297 return (pid_t)0; 2298 2299 xcb_res_client_id_value_iterator_t i = xcb_res_query_client_ids_ids_iterator(r); 2300 for (; i.rem; xcb_res_client_id_value_next(&i)) { 2301 spec = i.data->spec; 2302 if (spec.mask & XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID) { 2303 uint32_t *t = xcb_res_client_id_value_value(i.data); 2304 result = *t; 2305 break; 2306 } 2307 } 2308 2309 free(r); 2310 2311 if (result == (pid_t)-1) 2312 result = 0; 2313 2314 #endif /* __linux__ */ 2315 2316 #ifdef __OpenBSD__ 2317 Atom type; 2318 int format; 2319 unsigned long len, bytes; 2320 unsigned char *prop; 2321 pid_t ret; 2322 2323 if (XGetWindowProperty(dpy, w, XInternAtom(dpy, "_NET_WM_PID", 0), 0, 1, False, AnyPropertyType, &type, &format, &len, &bytes, &prop) != Success || !prop) 2324 return 0; 2325 2326 ret = *(pid_t*)prop; 2327 XFree(prop); 2328 result = ret; 2329 2330 #endif /* __OpenBSD__ */ 2331 return result; 2332 } 2333 2334 pid_t 2335 getparentprocess(pid_t p) 2336 { 2337 unsigned int v = 0; 2338 2339 #ifdef __linux__ 2340 FILE *f; 2341 char buf[256]; 2342 snprintf(buf, sizeof(buf) - 1, "/proc/%u/stat", (unsigned)p); 2343 2344 if (!(f = fopen(buf, "r"))) 2345 return 0; 2346 2347 fscanf(f, "%*u %*s %*c %u", &v); 2348 fclose(f); 2349 #endif /* __linux__*/ 2350 2351 #ifdef __OpenBSD__ 2352 int n; 2353 kvm_t *kd; 2354 struct kinfo_proc *kp; 2355 2356 kd = kvm_openfiles(NULL, NULL, NULL, KVM_NO_FILES, NULL); 2357 if (!kd) 2358 return 0; 2359 2360 kp = kvm_getprocs(kd, KERN_PROC_PID, p, sizeof(*kp), &n); 2361 v = kp->p_ppid; 2362 #endif /* __OpenBSD__ */ 2363 2364 return (pid_t)v; 2365 } 2366 2367 int 2368 isdescprocess(pid_t p, pid_t c) 2369 { 2370 while (p != c && c != 0) 2371 c = getparentprocess(c); 2372 2373 return (int)c; 2374 } 2375 2376 Client * 2377 termforwin(const Client *w) 2378 { 2379 Client *c; 2380 Monitor *m; 2381 2382 if (!w->pid || w->isterminal) 2383 return NULL; 2384 2385 for (m = mons; m; m = m->next) { 2386 for (c = m->clients; c; c = c->next) { 2387 if (c->isterminal && !c->swallowing && c->pid && isdescprocess(c->pid, w->pid)) 2388 return c; 2389 } 2390 } 2391 2392 return NULL; 2393 } 2394 2395 Client * 2396 swallowingclient(Window w) 2397 { 2398 Client *c; 2399 Monitor *m; 2400 2401 for (m = mons; m; m = m->next) { 2402 for (c = m->clients; c; c = c->next) { 2403 if (c->swallowing && c->swallowing->win == w) 2404 return c; 2405 } 2406 } 2407 2408 return NULL; 2409 } 2410 2411 Client * 2412 wintoclient(Window w) 2413 { 2414 Client *c; 2415 Monitor *m; 2416 2417 for (m = mons; m; m = m->next) 2418 for (c = m->clients; c; c = c->next) 2419 if (c->win == w) 2420 return c; 2421 return NULL; 2422 } 2423 2424 Monitor * 2425 wintomon(Window w) 2426 { 2427 int x, y; 2428 Client *c; 2429 Monitor *m; 2430 2431 if (w == root && getrootptr(&x, &y)) 2432 return recttomon(x, y, 1, 1); 2433 for (m = mons; m; m = m->next) 2434 if (w == m->barwin) 2435 return m; 2436 if ((c = wintoclient(w))) 2437 return c->mon; 2438 return selmon; 2439 } 2440 2441 /* There's no way to check accesses to destroyed windows, thus those cases are 2442 * ignored (especially on UnmapNotify's). Other types of errors call Xlibs 2443 * default error handler, which may call exit. */ 2444 int 2445 xerror(Display *dpy, XErrorEvent *ee) 2446 { 2447 if (ee->error_code == BadWindow 2448 || (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch) 2449 || (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable) 2450 || (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable) 2451 || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable) 2452 || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch) 2453 || (ee->request_code == X_GrabButton && ee->error_code == BadAccess) 2454 || (ee->request_code == X_GrabKey && ee->error_code == BadAccess) 2455 || (ee->request_code == X_CopyArea && ee->error_code == BadDrawable)) 2456 return 0; 2457 fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n", 2458 ee->request_code, ee->error_code); 2459 return xerrorxlib(dpy, ee); /* may call exit */ 2460 } 2461 2462 int 2463 xerrordummy(Display *dpy, XErrorEvent *ee) 2464 { 2465 return 0; 2466 } 2467 2468 /* Startup Error handler to check if another window manager 2469 * is already running. */ 2470 int 2471 xerrorstart(Display *dpy, XErrorEvent *ee) 2472 { 2473 die("dwm: another window manager is already running"); 2474 return -1; 2475 } 2476 2477 void 2478 zoom(const Arg *arg) 2479 { 2480 Client *c = selmon->sel; 2481 2482 if (!selmon->lt[selmon->sellt]->arrange || !c || c->isfloating) 2483 return; 2484 if (c == nexttiled(selmon->clients) && !(c = nexttiled(c->next))) 2485 return; 2486 pop(c); 2487 } 2488 2489 int 2490 main(int argc, char *argv[]) 2491 { 2492 if (argc == 2 && !strcmp("-v", argv[1])) 2493 die("dwm-"VERSION); 2494 else if (argc != 1) 2495 die("usage: dwm [-v]"); 2496 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale()) 2497 fputs("warning: no locale support\n", stderr); 2498 if (!(dpy = XOpenDisplay(NULL))) 2499 die("dwm: cannot open display"); 2500 if (!(xcon = XGetXCBConnection(dpy))) 2501 die("dwm: cannot get xcb connection\n"); 2502 checkotherwm(); 2503 setup(); 2504 #ifdef __OpenBSD__ 2505 if (pledge("stdio rpath proc exec ps", NULL) == -1) 2506 die("pledge"); 2507 #endif /* __OpenBSD__ */ 2508 scan(); 2509 run(); 2510 cleanup(); 2511 XCloseDisplay(dpy); 2512 return EXIT_SUCCESS; 2513 }