dwm.c (53532B)
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 44 #include "drw.h" 45 #include "util.h" 46 47 /* macros */ 48 #define BUTTONMASK (ButtonPressMask|ButtonReleaseMask) 49 #define CLEANMASK(mask) (mask & ~(numlockmask|LockMask) & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask)) 50 #define INTERSECT(x,y,w,h,m) (MAX(0, MIN((x)+(w),(m)->wx+(m)->ww) - MAX((x),(m)->wx)) \ 51 * MAX(0, MIN((y)+(h),(m)->wy+(m)->wh) - MAX((y),(m)->wy))) 52 #define ISVISIBLE(C) ((C->tags & C->mon->tagset[C->mon->seltags])) 53 #define MOUSEMASK (BUTTONMASK|PointerMotionMask) 54 #define WIDTH(X) ((X)->w + 2 * (X)->bw) 55 #define HEIGHT(X) ((X)->h + 2 * (X)->bw) 56 #define TAGMASK ((1 << LENGTH(tags)) - 1) 57 #define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad) 58 59 /* enums */ 60 enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */ 61 enum { SchemeNorm, SchemeSel }; /* color schemes */ 62 enum { NetSupported, NetWMName, NetWMState, NetWMCheck, 63 NetWMFullscreen, NetActiveWindow, NetWMWindowType, 64 NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */ 65 enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */ 66 //enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle, 67 // ClkClientWin, ClkRootWin, ClkLast }; /* clicks */ 68 69 enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkClientWin, 70 ClkRootWin, ClkLast }; /* clicks */ 71 72 typedef union { 73 int i; 74 unsigned int ui; 75 float f; 76 const void *v; 77 } Arg; 78 79 typedef struct { 80 unsigned int click; 81 unsigned int mask; 82 unsigned int button; 83 void (*func)(const Arg *arg); 84 const Arg arg; 85 } Button; 86 87 typedef struct Monitor Monitor; 88 typedef struct Client Client; 89 struct Client { 90 char name[256]; 91 float mina, maxa; 92 int x, y, w, h; 93 int oldx, oldy, oldw, oldh; 94 int basew, baseh, incw, inch, maxw, maxh, minw, minh, hintsvalid; 95 int bw, oldbw; 96 unsigned int tags; 97 int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen; 98 Client *next; 99 Client *snext; 100 Monitor *mon; 101 Window win; 102 }; 103 104 typedef struct { 105 unsigned int mod; 106 KeySym keysym; 107 void (*func)(const Arg *); 108 const Arg arg; 109 } Key; 110 111 typedef struct { 112 const char *symbol; 113 void (*arrange)(Monitor *); 114 } Layout; 115 116 struct Monitor { 117 char ltsymbol[16]; 118 float mfact; 119 int nmaster; 120 int num; 121 int by; /* bar geometry */ 122 int mx, my, mw, mh; /* screen size */ 123 int wx, wy, ww, wh; /* window area */ 124 unsigned int seltags; 125 unsigned int sellt; 126 unsigned int tagset[2]; 127 int showbar; 128 int topbar; 129 Client *clients; 130 Client *sel; 131 Client *stack; 132 Monitor *next; 133 Window barwin; 134 const Layout *lt[2]; 135 }; 136 137 typedef struct { 138 const char *class; 139 const char *instance; 140 const char *title; 141 unsigned int tags; 142 int isfloating; 143 int monitor; 144 } Rule; 145 146 /* function declarations */ 147 static void applyrules(Client *c); 148 static int applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact); 149 static void arrange(Monitor *m); 150 static void arrangemon(Monitor *m); 151 static void attach(Client *c); 152 static void attachbottom(Client *c); 153 static void attachstack(Client *c); 154 static void buttonpress(XEvent *e); 155 static void checkotherwm(void); 156 static void cleanup(void); 157 static void cleanupmon(Monitor *mon); 158 static void clientmessage(XEvent *e); 159 static void col(Monitor *); 160 static void configure(Client *c); 161 static void configurenotify(XEvent *e); 162 static void configurerequest(XEvent *e); 163 static Monitor *createmon(void); 164 static void destroynotify(XEvent *e); 165 static void detach(Client *c); 166 static void detachstack(Client *c); 167 static Monitor *dirtomon(int dir); 168 static void drawbar(Monitor *m); 169 static void drawbars(void); 170 static void enternotify(XEvent *e); 171 static void expose(XEvent *e); 172 static void focus(Client *c); 173 static void focusin(XEvent *e); 174 static void focusmon(const Arg *arg); 175 static void focusstack(const Arg *arg); 176 static Atom getatomprop(Client *c, Atom prop); 177 static int getrootptr(int *x, int *y); 178 static long getstate(Window w); 179 static int gettextprop(Window w, Atom atom, char *text, unsigned int size); 180 static void grabbuttons(Client *c, int focused); 181 static void grabkeys(void); 182 static void incnmaster(const Arg *arg); 183 static void keypress(XEvent *e); 184 static void killclient(const Arg *arg); 185 static void manage(Window w, XWindowAttributes *wa); 186 static void mappingnotify(XEvent *e); 187 static void maprequest(XEvent *e); 188 static void motionnotify(XEvent *e); 189 static void movemouse(const Arg *arg); 190 static Client *nexttiled(Client *c); 191 static void pop(Client *c); 192 static void propertynotify(XEvent *e); 193 static void quit(const Arg *arg); 194 static Monitor *recttomon(int x, int y, int w, int h); 195 static void resize(Client *c, int x, int y, int w, int h, int interact); 196 static void resizeclient(Client *c, int x, int y, int w, int h); 197 static void resizemouse(const Arg *arg); 198 static void restack(Monitor *m); 199 static void run(void); 200 static void scan(void); 201 static int sendevent(Client *c, Atom proto); 202 static void sendmon(Client *c, Monitor *m); 203 static void setclientstate(Client *c, long state); 204 static void setfocus(Client *c); 205 static void setfullscreen(Client *c, int fullscreen); 206 static void setlayout(const Arg *arg); 207 static void setmfact(const Arg *arg); 208 static void setup(void); 209 static void seturgent(Client *c, int urg); 210 static void showhide(Client *c); 211 static void spawn(const Arg *arg); 212 static void tag(const Arg *arg); 213 static void tagmon(const Arg *arg); 214 static void tile(Monitor *m); 215 static void togglebar(const Arg *arg); 216 static void togglefloating(const Arg *arg); 217 static void toggletag(const Arg *arg); 218 static void toggleview(const Arg *arg); 219 static void unfocus(Client *c, int setfocus); 220 static void unmanage(Client *c, int destroyed); 221 static void unmapnotify(XEvent *e); 222 static void updatebarpos(Monitor *m); 223 static void updatebars(void); 224 static void updateclientlist(void); 225 static int updategeom(void); 226 static void updatenumlockmask(void); 227 static void updatesizehints(Client *c); 228 static void updatestatus(void); 229 static void updatetitle(Client *c); 230 static void updatewindowtype(Client *c); 231 static void updatewmhints(Client *c); 232 static void view(const Arg *arg); 233 static Client *wintoclient(Window w); 234 static Monitor *wintomon(Window w); 235 static int xerror(Display *dpy, XErrorEvent *ee); 236 static int xerrordummy(Display *dpy, XErrorEvent *ee); 237 static int xerrorstart(Display *dpy, XErrorEvent *ee); 238 static void zoom(const Arg *arg); 239 240 /* variables */ 241 static const char broken[] = "broken"; 242 static char stext[256]; 243 static int screen; 244 static int sw, sh; /* X display screen geometry width, height */ 245 static int bh; /* bar height */ 246 static int lrpad; /* sum of left and right padding for text */ 247 static int (*xerrorxlib)(Display *, XErrorEvent *); 248 static unsigned int numlockmask = 0; 249 static void (*handler[LASTEvent]) (XEvent *) = { 250 [ButtonPress] = buttonpress, 251 [ClientMessage] = clientmessage, 252 [ConfigureRequest] = configurerequest, 253 [ConfigureNotify] = configurenotify, 254 [DestroyNotify] = destroynotify, 255 [EnterNotify] = enternotify, 256 [Expose] = expose, 257 [FocusIn] = focusin, 258 [KeyPress] = keypress, 259 [MappingNotify] = mappingnotify, 260 [MapRequest] = maprequest, 261 [MotionNotify] = motionnotify, 262 [PropertyNotify] = propertynotify, 263 [UnmapNotify] = unmapnotify 264 }; 265 static Atom wmatom[WMLast], netatom[NetLast]; 266 static int running = 1; 267 static Cur *cursor[CurLast]; 268 static Clr **scheme; 269 static Display *dpy; 270 static Drw *drw; 271 static Monitor *mons, *selmon; 272 static Window root, wmcheckwin; 273 274 /* configuration, allows nested code to access above variables */ 275 #include "config.h" 276 277 /* compile-time check if all tags fit into an unsigned int bit array. */ 278 struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; }; 279 280 /* function implementations */ 281 void 282 applyrules(Client *c) 283 { 284 const char *class, *instance; 285 unsigned int i; 286 const Rule *r; 287 Monitor *m; 288 XClassHint ch = { NULL, NULL }; 289 290 /* rule matching */ 291 c->isfloating = 0; 292 c->tags = 0; 293 XGetClassHint(dpy, c->win, &ch); 294 class = ch.res_class ? ch.res_class : broken; 295 instance = ch.res_name ? ch.res_name : broken; 296 297 for (i = 0; i < LENGTH(rules); i++) { 298 r = &rules[i]; 299 if ((!r->title || strstr(c->name, r->title)) 300 && (!r->class || strstr(class, r->class)) 301 && (!r->instance || strstr(instance, r->instance))) 302 { 303 c->isfloating = r->isfloating; 304 c->tags |= r->tags; 305 for (m = mons; m && m->num != r->monitor; m = m->next); 306 if (m) 307 c->mon = m; 308 } 309 } 310 if (ch.res_class) 311 XFree(ch.res_class); 312 if (ch.res_name) 313 XFree(ch.res_name); 314 c->tags = c->tags & TAGMASK ? c->tags & TAGMASK : c->mon->tagset[c->mon->seltags]; 315 } 316 317 int 318 applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact) 319 { 320 int baseismin; 321 Monitor *m = c->mon; 322 323 /* set minimum possible */ 324 *w = MAX(1, *w); 325 *h = MAX(1, *h); 326 if (interact) { 327 if (*x > sw) 328 *x = sw - WIDTH(c); 329 if (*y > sh) 330 *y = sh - HEIGHT(c); 331 if (*x + *w + 2 * c->bw < 0) 332 *x = 0; 333 if (*y + *h + 2 * c->bw < 0) 334 *y = 0; 335 } else { 336 if (*x >= m->wx + m->ww) 337 *x = m->wx + m->ww - WIDTH(c); 338 if (*y >= m->wy + m->wh) 339 *y = m->wy + m->wh - HEIGHT(c); 340 if (*x + *w + 2 * c->bw <= m->wx) 341 *x = m->wx; 342 if (*y + *h + 2 * c->bw <= m->wy) 343 *y = m->wy; 344 } 345 if (*h < bh) 346 *h = bh; 347 if (*w < bh) 348 *w = bh; 349 if (resizehints || c->isfloating || !c->mon->lt[c->mon->sellt]->arrange) { 350 if (!c->hintsvalid) 351 updatesizehints(c); 352 /* see last two sentences in ICCCM 4.1.2.3 */ 353 baseismin = c->basew == c->minw && c->baseh == c->minh; 354 if (!baseismin) { /* temporarily remove base dimensions */ 355 *w -= c->basew; 356 *h -= c->baseh; 357 } 358 /* adjust for aspect limits */ 359 if (c->mina > 0 && c->maxa > 0) { 360 if (c->maxa < (float)*w / *h) 361 *w = *h * c->maxa + 0.5; 362 else if (c->mina < (float)*h / *w) 363 *h = *w * c->mina + 0.5; 364 } 365 if (baseismin) { /* increment calculation requires this */ 366 *w -= c->basew; 367 *h -= c->baseh; 368 } 369 /* adjust for increment value */ 370 if (c->incw) 371 *w -= *w % c->incw; 372 if (c->inch) 373 *h -= *h % c->inch; 374 /* restore base dimensions */ 375 *w = MAX(*w + c->basew, c->minw); 376 *h = MAX(*h + c->baseh, c->minh); 377 if (c->maxw) 378 *w = MIN(*w, c->maxw); 379 if (c->maxh) 380 *h = MIN(*h, c->maxh); 381 } 382 return *x != c->x || *y != c->y || *w != c->w || *h != c->h; 383 } 384 385 void 386 arrange(Monitor *m) 387 { 388 if (m) 389 showhide(m->stack); 390 else for (m = mons; m; m = m->next) 391 showhide(m->stack); 392 if (m) { 393 arrangemon(m); 394 restack(m); 395 } else for (m = mons; m; m = m->next) 396 arrangemon(m); 397 } 398 399 void 400 arrangemon(Monitor *m) 401 { 402 strncpy(m->ltsymbol, m->lt[m->sellt]->symbol, sizeof m->ltsymbol); 403 if (m->lt[m->sellt]->arrange) 404 m->lt[m->sellt]->arrange(m); 405 } 406 407 void 408 attach(Client *c) 409 { 410 c->next = c->mon->clients; 411 c->mon->clients = c; 412 } 413 414 415 void 416 attachbottom(Client *c) 417 { 418 Client **tc; 419 c->next = NULL; 420 for (tc = &c->mon->clients; *tc; tc = &(*tc)->next); 421 *tc = c; 422 } 423 424 425 void 426 attachstack(Client *c) 427 { 428 c->snext = c->mon->stack; 429 c->mon->stack = c; 430 } 431 432 void 433 buttonpress(XEvent *e) 434 { 435 unsigned int i, x, click; 436 Arg arg = {0}; 437 Client *c; 438 Monitor *m; 439 XButtonPressedEvent *ev = &e->xbutton; 440 441 click = ClkRootWin; 442 /* focus monitor if necessary */ 443 if ((m = wintomon(ev->window)) && m != selmon) { 444 unfocus(selmon->sel, 1); 445 selmon = m; 446 focus(NULL); 447 } 448 if (ev->window == selmon->barwin) { 449 i = x = 0; 450 do 451 x += TEXTW(tags[i]); 452 while (ev->x >= x && ++i < LENGTH(tags)); 453 if (i < LENGTH(tags)) { 454 click = ClkTagBar; 455 arg.ui = 1 << i; 456 } else if (ev->x < x + TEXTW(selmon->ltsymbol)) 457 click = ClkLtSymbol; 458 else 459 click = ClkStatusText; 460 } else if ((c = wintoclient(ev->window))) { 461 focus(c); 462 restack(selmon); 463 XAllowEvents(dpy, ReplayPointer, CurrentTime); 464 click = ClkClientWin; 465 } 466 for (i = 0; i < LENGTH(buttons); i++) 467 if (click == buttons[i].click && buttons[i].func && buttons[i].button == ev->button 468 && CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state)) 469 buttons[i].func(click == ClkTagBar && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg); 470 } 471 472 void 473 checkotherwm(void) 474 { 475 xerrorxlib = XSetErrorHandler(xerrorstart); 476 /* this causes an error if some other window manager is running */ 477 XSelectInput(dpy, DefaultRootWindow(dpy), SubstructureRedirectMask); 478 XSync(dpy, False); 479 XSetErrorHandler(xerror); 480 XSync(dpy, False); 481 } 482 483 void 484 cleanup(void) 485 { 486 Arg a = {.ui = ~0}; 487 Layout foo = { "", NULL }; 488 Monitor *m; 489 size_t i; 490 491 view(&a); 492 selmon->lt[selmon->sellt] = &foo; 493 for (m = mons; m; m = m->next) 494 while (m->stack) 495 unmanage(m->stack, 0); 496 XUngrabKey(dpy, AnyKey, AnyModifier, root); 497 while (mons) 498 cleanupmon(mons); 499 for (i = 0; i < CurLast; i++) 500 drw_cur_free(drw, cursor[i]); 501 for (i = 0; i < LENGTH(colors); i++) 502 free(scheme[i]); 503 free(scheme); 504 XDestroyWindow(dpy, wmcheckwin); 505 drw_free(drw); 506 XSync(dpy, False); 507 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime); 508 XDeleteProperty(dpy, root, netatom[NetActiveWindow]); 509 } 510 511 void 512 cleanupmon(Monitor *mon) 513 { 514 Monitor *m; 515 516 if (mon == mons) 517 mons = mons->next; 518 else { 519 for (m = mons; m && m->next != mon; m = m->next); 520 m->next = mon->next; 521 } 522 XUnmapWindow(dpy, mon->barwin); 523 XDestroyWindow(dpy, mon->barwin); 524 free(mon); 525 } 526 527 void 528 clientmessage(XEvent *e) 529 { 530 XClientMessageEvent *cme = &e->xclient; 531 Client *c = wintoclient(cme->window); 532 533 if (!c) 534 return; 535 if (cme->message_type == netatom[NetWMState]) { 536 if (cme->data.l[1] == netatom[NetWMFullscreen] 537 || cme->data.l[2] == netatom[NetWMFullscreen]) 538 setfullscreen(c, (cme->data.l[0] == 1 /* _NET_WM_STATE_ADD */ 539 || (cme->data.l[0] == 2 /* _NET_WM_STATE_TOGGLE */ && !c->isfullscreen))); 540 } else if (cme->message_type == netatom[NetActiveWindow]) { 541 if (c != selmon->sel && !c->isurgent) 542 seturgent(c, 1); 543 } 544 } 545 546 void 547 configure(Client *c) 548 { 549 XConfigureEvent ce; 550 551 ce.type = ConfigureNotify; 552 ce.display = dpy; 553 ce.event = c->win; 554 ce.window = c->win; 555 ce.x = c->x; 556 ce.y = c->y; 557 ce.width = c->w; 558 ce.height = c->h; 559 ce.border_width = c->bw; 560 ce.above = None; 561 ce.override_redirect = False; 562 XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce); 563 } 564 565 void 566 configurenotify(XEvent *e) 567 { 568 Monitor *m; 569 Client *c; 570 XConfigureEvent *ev = &e->xconfigure; 571 int dirty; 572 573 /* TODO: updategeom handling sucks, needs to be simplified */ 574 if (ev->window == root) { 575 dirty = (sw != ev->width || sh != ev->height); 576 sw = ev->width; 577 sh = ev->height; 578 if (updategeom() || dirty) { 579 drw_resize(drw, sw, bh); 580 updatebars(); 581 for (m = mons; m; m = m->next) { 582 for (c = m->clients; c; c = c->next) 583 if (c->isfullscreen) 584 resizeclient(c, m->mx, m->my, m->mw, m->mh); 585 XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh); 586 } 587 focus(NULL); 588 arrange(NULL); 589 } 590 } 591 } 592 593 void 594 configurerequest(XEvent *e) 595 { 596 Client *c; 597 Monitor *m; 598 XConfigureRequestEvent *ev = &e->xconfigurerequest; 599 XWindowChanges wc; 600 601 if ((c = wintoclient(ev->window))) { 602 if (ev->value_mask & CWBorderWidth) 603 c->bw = ev->border_width; 604 else if (c->isfloating || !selmon->lt[selmon->sellt]->arrange) { 605 m = c->mon; 606 if (ev->value_mask & CWX) { 607 c->oldx = c->x; 608 c->x = m->mx + ev->x; 609 } 610 if (ev->value_mask & CWY) { 611 c->oldy = c->y; 612 c->y = m->my + ev->y; 613 } 614 if (ev->value_mask & CWWidth) { 615 c->oldw = c->w; 616 c->w = ev->width; 617 } 618 if (ev->value_mask & CWHeight) { 619 c->oldh = c->h; 620 c->h = ev->height; 621 } 622 if ((c->x + c->w) > m->mx + m->mw && c->isfloating) 623 c->x = m->mx + (m->mw / 2 - WIDTH(c) / 2); /* center in x direction */ 624 if ((c->y + c->h) > m->my + m->mh && c->isfloating) 625 c->y = m->my + (m->mh / 2 - HEIGHT(c) / 2); /* center in y direction */ 626 if ((ev->value_mask & (CWX|CWY)) && !(ev->value_mask & (CWWidth|CWHeight))) 627 configure(c); 628 if (ISVISIBLE(c)) 629 XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h); 630 } else 631 configure(c); 632 } else { 633 wc.x = ev->x; 634 wc.y = ev->y; 635 wc.width = ev->width; 636 wc.height = ev->height; 637 wc.border_width = ev->border_width; 638 wc.sibling = ev->above; 639 wc.stack_mode = ev->detail; 640 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc); 641 } 642 XSync(dpy, False); 643 } 644 645 Monitor * 646 createmon(void) 647 { 648 Monitor *m; 649 650 m = ecalloc(1, sizeof(Monitor)); 651 m->tagset[0] = m->tagset[1] = 1; 652 m->mfact = mfact; 653 m->nmaster = nmaster; 654 m->showbar = showbar; 655 m->topbar = topbar; 656 m->lt[0] = &layouts[0]; 657 m->lt[1] = &layouts[1 % LENGTH(layouts)]; 658 strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol); 659 return m; 660 } 661 662 void 663 destroynotify(XEvent *e) 664 { 665 Client *c; 666 XDestroyWindowEvent *ev = &e->xdestroywindow; 667 668 if ((c = wintoclient(ev->window))) 669 unmanage(c, 1); 670 } 671 672 void 673 detach(Client *c) 674 { 675 Client **tc; 676 677 for (tc = &c->mon->clients; *tc && *tc != c; tc = &(*tc)->next); 678 *tc = c->next; 679 } 680 681 void 682 detachstack(Client *c) 683 { 684 Client **tc, *t; 685 686 for (tc = &c->mon->stack; *tc && *tc != c; tc = &(*tc)->snext); 687 *tc = c->snext; 688 689 if (c == c->mon->sel) { 690 for (t = c->mon->stack; t && !ISVISIBLE(t); t = t->snext); 691 c->mon->sel = t; 692 } 693 } 694 695 Monitor * 696 dirtomon(int dir) 697 { 698 Monitor *m = NULL; 699 700 if (dir > 0) { 701 if (!(m = selmon->next)) 702 m = mons; 703 } else if (selmon == mons) 704 for (m = mons; m->next; m = m->next); 705 else 706 for (m = mons; m->next != selmon; m = m->next); 707 return m; 708 } 709 710 void 711 drawbar(Monitor *m) 712 { 713 int x, w, tw = 0; 714 int boxs = drw->fonts->h / 9; 715 int boxw = drw->fonts->h / 6 + 2; 716 unsigned int i, occ = 0, urg = 0; 717 Client *c; 718 719 if (!m->showbar) 720 return; 721 722 /* draw status first so it can be overdrawn by tags later */ 723 if (m == selmon) { /* status is only drawn on selected monitor */ 724 drw_setscheme(drw, scheme[SchemeNorm]); 725 tw = TEXTW(stext) - lrpad + 2; /* 2px right padding */ 726 drw_text(drw, m->ww - tw, 0, tw, bh, 0, stext, 0); 727 } 728 729 for (c = m->clients; c; c = c->next) { 730 occ |= c->tags; 731 if (c->isurgent) 732 urg |= c->tags; 733 } 734 x = 0; 735 for (i = 0; i < LENGTH(tags); i++) { 736 w = TEXTW(tags[i]); 737 drw_setscheme(drw, scheme[m->tagset[m->seltags] & 1 << i ? SchemeSel : SchemeNorm]); 738 drw_text(drw, x, 0, w, bh, lrpad / 2, tags[i], urg & 1 << i); 739 if (occ & 1 << i) 740 drw_rect(drw, x + boxs, boxs, boxw, boxw, 741 m == selmon && selmon->sel && selmon->sel->tags & 1 << i, 742 urg & 1 << i); 743 x += w; 744 } 745 w = TEXTW(m->ltsymbol); 746 drw_setscheme(drw, scheme[SchemeNorm]); 747 x = drw_text(drw, x, 0, w, bh, lrpad / 2, m->ltsymbol, 0); 748 749 if ((w = m->ww - tw - x) > bh) { 750 drw_setscheme(drw, scheme[SchemeNorm]); 751 drw_rect(drw, x, 0, w, bh, 1, 1); 752 } 753 drw_map(drw, m->barwin, 0, 0, m->ww, bh); 754 } 755 756 void 757 drawbars(void) 758 { 759 Monitor *m; 760 761 for (m = mons; m; m = m->next) 762 drawbar(m); 763 } 764 765 void 766 enternotify(XEvent *e) 767 { 768 Client *c; 769 Monitor *m; 770 XCrossingEvent *ev = &e->xcrossing; 771 772 if ((ev->mode != NotifyNormal || ev->detail == NotifyInferior) && ev->window != root) 773 return; 774 c = wintoclient(ev->window); 775 m = c ? c->mon : wintomon(ev->window); 776 if (m != selmon) { 777 unfocus(selmon->sel, 1); 778 selmon = m; 779 } else if (!c || c == selmon->sel) 780 return; 781 focus(c); 782 } 783 784 void 785 expose(XEvent *e) 786 { 787 Monitor *m; 788 XExposeEvent *ev = &e->xexpose; 789 790 if (ev->count == 0 && (m = wintomon(ev->window))) 791 drawbar(m); 792 } 793 794 void 795 focus(Client *c) 796 { 797 if (!c || !ISVISIBLE(c)) 798 for (c = selmon->stack; c && !ISVISIBLE(c); c = c->snext); 799 if (selmon->sel && selmon->sel != c) 800 unfocus(selmon->sel, 0); 801 if (c) { 802 if (c->mon != selmon) 803 selmon = c->mon; 804 if (c->isurgent) 805 seturgent(c, 0); 806 detachstack(c); 807 attachstack(c); 808 grabbuttons(c, 1); 809 XSetWindowBorder(dpy, c->win, scheme[SchemeSel][ColBorder].pixel); 810 setfocus(c); 811 } else { 812 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime); 813 XDeleteProperty(dpy, root, netatom[NetActiveWindow]); 814 } 815 selmon->sel = c; 816 drawbars(); 817 } 818 819 /* there are some broken focus acquiring clients needing extra handling */ 820 void 821 focusin(XEvent *e) 822 { 823 XFocusChangeEvent *ev = &e->xfocus; 824 825 if (selmon->sel && ev->window != selmon->sel->win) 826 setfocus(selmon->sel); 827 } 828 829 void 830 focusmon(const Arg *arg) 831 { 832 Monitor *m; 833 834 if (!mons->next) 835 return; 836 if ((m = dirtomon(arg->i)) == selmon) 837 return; 838 unfocus(selmon->sel, 0); 839 selmon = m; 840 focus(NULL); 841 } 842 843 void 844 focusstack(const Arg *arg) 845 { 846 Client *c = NULL, *i; 847 848 if (!selmon->sel || (selmon->sel->isfullscreen && lockfullscreen)) 849 return; 850 if (arg->i > 0) { 851 for (c = selmon->sel->next; c && !ISVISIBLE(c); c = c->next); 852 if (!c) 853 for (c = selmon->clients; c && !ISVISIBLE(c); c = c->next); 854 } else { 855 for (i = selmon->clients; i != selmon->sel; i = i->next) 856 if (ISVISIBLE(i)) 857 c = i; 858 if (!c) 859 for (; i; i = i->next) 860 if (ISVISIBLE(i)) 861 c = i; 862 } 863 if (c) { 864 focus(c); 865 restack(selmon); 866 } 867 } 868 869 Atom 870 getatomprop(Client *c, Atom prop) 871 { 872 int di; 873 unsigned long dl; 874 unsigned char *p = NULL; 875 Atom da, atom = None; 876 877 if (XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, XA_ATOM, 878 &da, &di, &dl, &dl, &p) == Success && p) { 879 atom = *(Atom *)p; 880 XFree(p); 881 } 882 return atom; 883 } 884 885 int 886 getrootptr(int *x, int *y) 887 { 888 int di; 889 unsigned int dui; 890 Window dummy; 891 892 return XQueryPointer(dpy, root, &dummy, &dummy, x, y, &di, &di, &dui); 893 } 894 895 long 896 getstate(Window w) 897 { 898 int format; 899 long result = -1; 900 unsigned char *p = NULL; 901 unsigned long n, extra; 902 Atom real; 903 904 if (XGetWindowProperty(dpy, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState], 905 &real, &format, &n, &extra, (unsigned char **)&p) != Success) 906 return -1; 907 if (n != 0) 908 result = *p; 909 XFree(p); 910 return result; 911 } 912 913 int 914 gettextprop(Window w, Atom atom, char *text, unsigned int size) 915 { 916 char **list = NULL; 917 int n; 918 XTextProperty name; 919 920 if (!text || size == 0) 921 return 0; 922 text[0] = '\0'; 923 if (!XGetTextProperty(dpy, w, &name, atom) || !name.nitems) 924 return 0; 925 if (name.encoding == XA_STRING) { 926 strncpy(text, (char *)name.value, size - 1); 927 } else if (XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success && n > 0 && *list) { 928 strncpy(text, *list, size - 1); 929 XFreeStringList(list); 930 } 931 text[size - 1] = '\0'; 932 XFree(name.value); 933 return 1; 934 } 935 936 void 937 grabbuttons(Client *c, int focused) 938 { 939 updatenumlockmask(); 940 { 941 unsigned int i, j; 942 unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask }; 943 XUngrabButton(dpy, AnyButton, AnyModifier, c->win); 944 if (!focused) 945 XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, 946 BUTTONMASK, GrabModeSync, GrabModeSync, None, None); 947 for (i = 0; i < LENGTH(buttons); i++) 948 if (buttons[i].click == ClkClientWin) 949 for (j = 0; j < LENGTH(modifiers); j++) 950 XGrabButton(dpy, buttons[i].button, 951 buttons[i].mask | modifiers[j], 952 c->win, False, BUTTONMASK, 953 GrabModeAsync, GrabModeSync, None, None); 954 } 955 } 956 957 void 958 grabkeys(void) 959 { 960 updatenumlockmask(); 961 { 962 unsigned int i, j, k; 963 unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask }; 964 int start, end, skip; 965 KeySym *syms; 966 967 XUngrabKey(dpy, AnyKey, AnyModifier, root); 968 XDisplayKeycodes(dpy, &start, &end); 969 syms = XGetKeyboardMapping(dpy, start, end - start + 1, &skip); 970 if (!syms) 971 return; 972 for (k = start; k <= end; k++) 973 for (i = 0; i < LENGTH(keys); i++) 974 /* skip modifier codes, we do that ourselves */ 975 if (keys[i].keysym == syms[(k - start) * skip]) 976 for (j = 0; j < LENGTH(modifiers); j++) 977 XGrabKey(dpy, k, 978 keys[i].mod | modifiers[j], 979 root, True, 980 GrabModeAsync, GrabModeAsync); 981 XFree(syms); 982 } 983 } 984 985 void 986 incnmaster(const Arg *arg) 987 { 988 selmon->nmaster = MAX(selmon->nmaster + arg->i, 0); 989 arrange(selmon); 990 } 991 992 #ifdef XINERAMA 993 static int 994 isuniquegeom(XineramaScreenInfo *unique, size_t n, XineramaScreenInfo *info) 995 { 996 while (n--) 997 if (unique[n].x_org == info->x_org && unique[n].y_org == info->y_org 998 && unique[n].width == info->width && unique[n].height == info->height) 999 return 0; 1000 return 1; 1001 } 1002 #endif /* XINERAMA */ 1003 1004 void 1005 keypress(XEvent *e) 1006 { 1007 unsigned int i; 1008 KeySym keysym; 1009 XKeyEvent *ev; 1010 1011 ev = &e->xkey; 1012 keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0); 1013 for (i = 0; i < LENGTH(keys); i++) 1014 if (keysym == keys[i].keysym 1015 && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state) 1016 && keys[i].func) 1017 keys[i].func(&(keys[i].arg)); 1018 } 1019 1020 void 1021 killclient(const Arg *arg) 1022 { 1023 if (!selmon->sel) 1024 return; 1025 if (!sendevent(selmon->sel, wmatom[WMDelete])) { 1026 XGrabServer(dpy); 1027 XSetErrorHandler(xerrordummy); 1028 XSetCloseDownMode(dpy, DestroyAll); 1029 XKillClient(dpy, selmon->sel->win); 1030 XSync(dpy, False); 1031 XSetErrorHandler(xerror); 1032 XUngrabServer(dpy); 1033 } 1034 } 1035 1036 void 1037 manage(Window w, XWindowAttributes *wa) 1038 { 1039 Client *c, *t = NULL; 1040 Window trans = None; 1041 XWindowChanges wc; 1042 1043 c = ecalloc(1, sizeof(Client)); 1044 c->win = w; 1045 /* geometry */ 1046 c->x = c->oldx = wa->x; 1047 c->y = c->oldy = wa->y; 1048 c->w = c->oldw = wa->width; 1049 c->h = c->oldh = wa->height; 1050 c->oldbw = wa->border_width; 1051 1052 updatetitle(c); 1053 if (XGetTransientForHint(dpy, w, &trans) && (t = wintoclient(trans))) { 1054 c->mon = t->mon; 1055 c->tags = t->tags; 1056 } else { 1057 c->mon = selmon; 1058 applyrules(c); 1059 } 1060 1061 if (c->x + WIDTH(c) > c->mon->wx + c->mon->ww) 1062 c->x = c->mon->wx + c->mon->ww - WIDTH(c); 1063 if (c->y + HEIGHT(c) > c->mon->wy + c->mon->wh) 1064 c->y = c->mon->wy + c->mon->wh - HEIGHT(c); 1065 c->x = MAX(c->x, c->mon->wx); 1066 c->y = MAX(c->y, c->mon->wy); 1067 c->bw = borderpx; 1068 1069 wc.border_width = c->bw; 1070 XConfigureWindow(dpy, w, CWBorderWidth, &wc); 1071 XSetWindowBorder(dpy, w, scheme[SchemeNorm][ColBorder].pixel); 1072 configure(c); /* propagates border_width, if size doesn't change */ 1073 updatewindowtype(c); 1074 updatesizehints(c); 1075 updatewmhints(c); 1076 c->x = c->mon->mx + (c->mon->mw - WIDTH(c)) / 2; 1077 c->y = c->mon->my + (c->mon->mh - HEIGHT(c)) / 2; 1078 XSelectInput(dpy, w, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask); 1079 grabbuttons(c, 0); 1080 if (!c->isfloating) 1081 c->isfloating = c->oldstate = trans != None || c->isfixed; 1082 if (c->isfloating) 1083 XRaiseWindow(dpy, c->win); 1084 attachbottom(c); 1085 attachstack(c); 1086 XChangeProperty(dpy, root, netatom[NetClientList], XA_WINDOW, 32, PropModeAppend, 1087 (unsigned char *) &(c->win), 1); 1088 XMoveResizeWindow(dpy, c->win, c->x + 2 * sw, c->y, c->w, c->h); /* some windows require this */ 1089 setclientstate(c, NormalState); 1090 if (c->mon == selmon) 1091 unfocus(selmon->sel, 0); 1092 c->mon->sel = c; 1093 arrange(c->mon); 1094 XMapWindow(dpy, c->win); 1095 focus(NULL); 1096 } 1097 1098 void 1099 mappingnotify(XEvent *e) 1100 { 1101 XMappingEvent *ev = &e->xmapping; 1102 1103 XRefreshKeyboardMapping(ev); 1104 if (ev->request == MappingKeyboard) 1105 grabkeys(); 1106 } 1107 1108 void 1109 maprequest(XEvent *e) 1110 { 1111 static XWindowAttributes wa; 1112 XMapRequestEvent *ev = &e->xmaprequest; 1113 1114 if (!XGetWindowAttributes(dpy, ev->window, &wa) || wa.override_redirect) 1115 return; 1116 if (!wintoclient(ev->window)) 1117 manage(ev->window, &wa); 1118 } 1119 1120 void 1121 motionnotify(XEvent *e) 1122 { 1123 static Monitor *mon = NULL; 1124 Monitor *m; 1125 XMotionEvent *ev = &e->xmotion; 1126 1127 if (ev->window != root) 1128 return; 1129 if ((m = recttomon(ev->x_root, ev->y_root, 1, 1)) != mon && mon) { 1130 unfocus(selmon->sel, 1); 1131 selmon = m; 1132 focus(NULL); 1133 } 1134 mon = m; 1135 } 1136 1137 void 1138 movemouse(const Arg *arg) 1139 { 1140 int x, y, ocx, ocy, nx, ny; 1141 Client *c; 1142 Monitor *m; 1143 XEvent ev; 1144 Time lasttime = 0; 1145 1146 if (!(c = selmon->sel)) 1147 return; 1148 if (c->isfullscreen) /* no support moving fullscreen windows by mouse */ 1149 return; 1150 restack(selmon); 1151 ocx = c->x; 1152 ocy = c->y; 1153 if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync, 1154 None, cursor[CurMove]->cursor, CurrentTime) != GrabSuccess) 1155 return; 1156 if (!getrootptr(&x, &y)) 1157 return; 1158 do { 1159 XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev); 1160 switch(ev.type) { 1161 case ConfigureRequest: 1162 case Expose: 1163 case MapRequest: 1164 handler[ev.type](&ev); 1165 break; 1166 case MotionNotify: 1167 if ((ev.xmotion.time - lasttime) <= (1000 / 60)) 1168 continue; 1169 lasttime = ev.xmotion.time; 1170 1171 nx = ocx + (ev.xmotion.x - x); 1172 ny = ocy + (ev.xmotion.y - y); 1173 if (abs(selmon->wx - nx) < snap) 1174 nx = selmon->wx; 1175 else if (abs((selmon->wx + selmon->ww) - (nx + WIDTH(c))) < snap) 1176 nx = selmon->wx + selmon->ww - WIDTH(c); 1177 if (abs(selmon->wy - ny) < snap) 1178 ny = selmon->wy; 1179 else if (abs((selmon->wy + selmon->wh) - (ny + HEIGHT(c))) < snap) 1180 ny = selmon->wy + selmon->wh - HEIGHT(c); 1181 if (!c->isfloating && selmon->lt[selmon->sellt]->arrange 1182 && (abs(nx - c->x) > snap || abs(ny - c->y) > snap)) 1183 togglefloating(NULL); 1184 if (!selmon->lt[selmon->sellt]->arrange || c->isfloating) 1185 resize(c, nx, ny, c->w, c->h, 1); 1186 break; 1187 } 1188 } while (ev.type != ButtonRelease); 1189 XUngrabPointer(dpy, CurrentTime); 1190 if ((m = recttomon(c->x, c->y, c->w, c->h)) != selmon) { 1191 sendmon(c, m); 1192 selmon = m; 1193 focus(NULL); 1194 } 1195 } 1196 1197 Client * 1198 nexttiled(Client *c) 1199 { 1200 for (; c && (c->isfloating || !ISVISIBLE(c)); c = c->next); 1201 return c; 1202 } 1203 1204 void 1205 pop(Client *c) 1206 { 1207 detach(c); 1208 attach(c); 1209 focus(c); 1210 arrange(c->mon); 1211 } 1212 1213 void 1214 propertynotify(XEvent *e) 1215 { 1216 Client *c; 1217 Window trans; 1218 XPropertyEvent *ev = &e->xproperty; 1219 1220 if ((ev->window == root) && (ev->atom == XA_WM_NAME)) 1221 updatestatus(); 1222 else if (ev->state == PropertyDelete) 1223 return; /* ignore */ 1224 else if ((c = wintoclient(ev->window))) { 1225 switch(ev->atom) { 1226 default: break; 1227 case XA_WM_TRANSIENT_FOR: 1228 if (!c->isfloating && (XGetTransientForHint(dpy, c->win, &trans)) && 1229 (c->isfloating = (wintoclient(trans)) != NULL)) 1230 arrange(c->mon); 1231 break; 1232 case XA_WM_NORMAL_HINTS: 1233 c->hintsvalid = 0; 1234 break; 1235 case XA_WM_HINTS: 1236 updatewmhints(c); 1237 drawbars(); 1238 break; 1239 } 1240 if (ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) 1241 updatetitle(c); 1242 if (ev->atom == netatom[NetWMWindowType]) 1243 updatewindowtype(c); 1244 } 1245 } 1246 1247 void 1248 quit(const Arg *arg) 1249 { 1250 running = 0; 1251 } 1252 1253 Monitor * 1254 recttomon(int x, int y, int w, int h) 1255 { 1256 Monitor *m, *r = selmon; 1257 int a, area = 0; 1258 1259 for (m = mons; m; m = m->next) 1260 if ((a = INTERSECT(x, y, w, h, m)) > area) { 1261 area = a; 1262 r = m; 1263 } 1264 return r; 1265 } 1266 1267 void 1268 resize(Client *c, int x, int y, int w, int h, int interact) 1269 { 1270 if (applysizehints(c, &x, &y, &w, &h, interact)) 1271 resizeclient(c, x, y, w, h); 1272 } 1273 1274 void 1275 resizeclient(Client *c, int x, int y, int w, int h) 1276 { 1277 XWindowChanges wc; 1278 1279 c->oldx = c->x; c->x = wc.x = x; 1280 c->oldy = c->y; c->y = wc.y = y; 1281 c->oldw = c->w; c->w = wc.width = w; 1282 c->oldh = c->h; c->h = wc.height = h; 1283 wc.border_width = c->bw; 1284 XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc); 1285 configure(c); 1286 XSync(dpy, False); 1287 } 1288 1289 void 1290 resizemouse(const Arg *arg) 1291 { 1292 int ocx, ocy, nw, nh; 1293 Client *c; 1294 Monitor *m; 1295 XEvent ev; 1296 Time lasttime = 0; 1297 1298 if (!(c = selmon->sel)) 1299 return; 1300 if (c->isfullscreen) /* no support resizing fullscreen windows by mouse */ 1301 return; 1302 restack(selmon); 1303 ocx = c->x; 1304 ocy = c->y; 1305 if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync, 1306 None, cursor[CurResize]->cursor, CurrentTime) != GrabSuccess) 1307 return; 1308 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1); 1309 do { 1310 XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev); 1311 switch(ev.type) { 1312 case ConfigureRequest: 1313 case Expose: 1314 case MapRequest: 1315 handler[ev.type](&ev); 1316 break; 1317 case MotionNotify: 1318 if ((ev.xmotion.time - lasttime) <= (1000 / 60)) 1319 continue; 1320 lasttime = ev.xmotion.time; 1321 1322 nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1); 1323 nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1); 1324 if (c->mon->wx + nw >= selmon->wx && c->mon->wx + nw <= selmon->wx + selmon->ww 1325 && c->mon->wy + nh >= selmon->wy && c->mon->wy + nh <= selmon->wy + selmon->wh) 1326 { 1327 if (!c->isfloating && selmon->lt[selmon->sellt]->arrange 1328 && (abs(nw - c->w) > snap || abs(nh - c->h) > snap)) 1329 togglefloating(NULL); 1330 } 1331 if (!selmon->lt[selmon->sellt]->arrange || c->isfloating) 1332 resize(c, c->x, c->y, nw, nh, 1); 1333 break; 1334 } 1335 } while (ev.type != ButtonRelease); 1336 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1); 1337 XUngrabPointer(dpy, CurrentTime); 1338 while (XCheckMaskEvent(dpy, EnterWindowMask, &ev)); 1339 if ((m = recttomon(c->x, c->y, c->w, c->h)) != selmon) { 1340 sendmon(c, m); 1341 selmon = m; 1342 focus(NULL); 1343 } 1344 } 1345 1346 void 1347 restack(Monitor *m) 1348 { 1349 Client *c; 1350 XEvent ev; 1351 XWindowChanges wc; 1352 1353 drawbar(m); 1354 if (!m->sel) 1355 return; 1356 if (m->sel->isfloating || !m->lt[m->sellt]->arrange) 1357 XRaiseWindow(dpy, m->sel->win); 1358 if (m->lt[m->sellt]->arrange) { 1359 wc.stack_mode = Below; 1360 wc.sibling = m->barwin; 1361 for (c = m->stack; c; c = c->snext) 1362 if (!c->isfloating && ISVISIBLE(c)) { 1363 XConfigureWindow(dpy, c->win, CWSibling|CWStackMode, &wc); 1364 wc.sibling = c->win; 1365 } 1366 } 1367 XSync(dpy, False); 1368 while (XCheckMaskEvent(dpy, EnterWindowMask, &ev)); 1369 } 1370 1371 void 1372 run(void) 1373 { 1374 XEvent ev; 1375 /* main event loop */ 1376 XSync(dpy, False); 1377 while (running && !XNextEvent(dpy, &ev)) 1378 if (handler[ev.type]) 1379 handler[ev.type](&ev); /* call handler */ 1380 } 1381 1382 void 1383 scan(void) 1384 { 1385 unsigned int i, num; 1386 Window d1, d2, *wins = NULL; 1387 XWindowAttributes wa; 1388 1389 if (XQueryTree(dpy, root, &d1, &d2, &wins, &num)) { 1390 for (i = 0; i < num; i++) { 1391 if (!XGetWindowAttributes(dpy, wins[i], &wa) 1392 || wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) 1393 continue; 1394 if (wa.map_state == IsViewable || getstate(wins[i]) == IconicState) 1395 manage(wins[i], &wa); 1396 } 1397 for (i = 0; i < num; i++) { /* now the transients */ 1398 if (!XGetWindowAttributes(dpy, wins[i], &wa)) 1399 continue; 1400 if (XGetTransientForHint(dpy, wins[i], &d1) 1401 && (wa.map_state == IsViewable || getstate(wins[i]) == IconicState)) 1402 manage(wins[i], &wa); 1403 } 1404 if (wins) 1405 XFree(wins); 1406 } 1407 } 1408 1409 void 1410 sendmon(Client *c, Monitor *m) 1411 { 1412 if (c->mon == m) 1413 return; 1414 unfocus(c, 1); 1415 detach(c); 1416 detachstack(c); 1417 c->mon = m; 1418 c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */ 1419 attachbottom(c); 1420 attachstack(c); 1421 focus(NULL); 1422 arrange(NULL); 1423 } 1424 1425 void 1426 setclientstate(Client *c, long state) 1427 { 1428 long data[] = { state, None }; 1429 1430 XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32, 1431 PropModeReplace, (unsigned char *)data, 2); 1432 } 1433 1434 int 1435 sendevent(Client *c, Atom proto) 1436 { 1437 int n; 1438 Atom *protocols; 1439 int exists = 0; 1440 XEvent ev; 1441 1442 if (XGetWMProtocols(dpy, c->win, &protocols, &n)) { 1443 while (!exists && n--) 1444 exists = protocols[n] == proto; 1445 XFree(protocols); 1446 } 1447 if (exists) { 1448 ev.type = ClientMessage; 1449 ev.xclient.window = c->win; 1450 ev.xclient.message_type = wmatom[WMProtocols]; 1451 ev.xclient.format = 32; 1452 ev.xclient.data.l[0] = proto; 1453 ev.xclient.data.l[1] = CurrentTime; 1454 XSendEvent(dpy, c->win, False, NoEventMask, &ev); 1455 } 1456 return exists; 1457 } 1458 1459 void 1460 setfocus(Client *c) 1461 { 1462 if (!c->neverfocus) { 1463 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime); 1464 XChangeProperty(dpy, root, netatom[NetActiveWindow], 1465 XA_WINDOW, 32, PropModeReplace, 1466 (unsigned char *) &(c->win), 1); 1467 } 1468 sendevent(c, wmatom[WMTakeFocus]); 1469 } 1470 1471 void 1472 setfullscreen(Client *c, int fullscreen) 1473 { 1474 if (fullscreen && !c->isfullscreen) { 1475 XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32, 1476 PropModeReplace, (unsigned char*)&netatom[NetWMFullscreen], 1); 1477 c->isfullscreen = 1; 1478 c->oldstate = c->isfloating; 1479 c->oldbw = c->bw; 1480 c->bw = 0; 1481 c->isfloating = 1; 1482 resizeclient(c, c->mon->mx, c->mon->my, c->mon->mw, c->mon->mh); 1483 XRaiseWindow(dpy, c->win); 1484 } else if (!fullscreen && c->isfullscreen){ 1485 XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32, 1486 PropModeReplace, (unsigned char*)0, 0); 1487 c->isfullscreen = 0; 1488 c->isfloating = c->oldstate; 1489 c->bw = c->oldbw; 1490 c->x = c->oldx; 1491 c->y = c->oldy; 1492 c->w = c->oldw; 1493 c->h = c->oldh; 1494 resizeclient(c, c->x, c->y, c->w, c->h); 1495 arrange(c->mon); 1496 } 1497 } 1498 1499 void 1500 setlayout(const Arg *arg) 1501 { 1502 if (!arg || !arg->v || arg->v != selmon->lt[selmon->sellt]) 1503 selmon->sellt ^= 1; 1504 if (arg && arg->v) 1505 selmon->lt[selmon->sellt] = (Layout *)arg->v; 1506 strncpy(selmon->ltsymbol, selmon->lt[selmon->sellt]->symbol, sizeof selmon->ltsymbol); 1507 if (selmon->sel) 1508 arrange(selmon); 1509 else 1510 drawbar(selmon); 1511 } 1512 1513 /* arg > 1.0 will set mfact absolutely */ 1514 void 1515 setmfact(const Arg *arg) 1516 { 1517 float f; 1518 1519 if (!arg || !selmon->lt[selmon->sellt]->arrange) 1520 return; 1521 f = arg->f < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0; 1522 if (f < 0.05 || f > 0.95) 1523 return; 1524 selmon->mfact = f; 1525 arrange(selmon); 1526 } 1527 1528 void 1529 setup(void) 1530 { 1531 int i; 1532 XSetWindowAttributes wa; 1533 Atom utf8string; 1534 struct sigaction sa; 1535 1536 /* do not transform children into zombies when they terminate */ 1537 sigemptyset(&sa.sa_mask); 1538 sa.sa_flags = SA_NOCLDSTOP | SA_NOCLDWAIT | SA_RESTART; 1539 sa.sa_handler = SIG_IGN; 1540 sigaction(SIGCHLD, &sa, NULL); 1541 1542 /* clean up any zombies (inherited from .xinitrc etc) immediately */ 1543 while (waitpid(-1, NULL, WNOHANG) > 0); 1544 1545 /* init screen */ 1546 screen = DefaultScreen(dpy); 1547 sw = DisplayWidth(dpy, screen); 1548 sh = DisplayHeight(dpy, screen); 1549 root = RootWindow(dpy, screen); 1550 drw = drw_create(dpy, screen, root, sw, sh); 1551 if (!drw_fontset_create(drw, fonts, LENGTH(fonts))) 1552 die("no fonts could be loaded."); 1553 lrpad = drw->fonts->h; 1554 bh = drw->fonts->h + 2; 1555 updategeom(); 1556 /* init atoms */ 1557 utf8string = XInternAtom(dpy, "UTF8_STRING", False); 1558 wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False); 1559 wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False); 1560 wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False); 1561 wmatom[WMTakeFocus] = XInternAtom(dpy, "WM_TAKE_FOCUS", False); 1562 netatom[NetActiveWindow] = XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False); 1563 netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False); 1564 netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); 1565 netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False); 1566 netatom[NetWMCheck] = XInternAtom(dpy, "_NET_SUPPORTING_WM_CHECK", False); 1567 netatom[NetWMFullscreen] = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False); 1568 netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False); 1569 netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False); 1570 netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False); 1571 /* init cursors */ 1572 cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr); 1573 cursor[CurResize] = drw_cur_create(drw, XC_sizing); 1574 cursor[CurMove] = drw_cur_create(drw, XC_fleur); 1575 /* init appearance */ 1576 scheme = ecalloc(LENGTH(colors), sizeof(Clr *)); 1577 for (i = 0; i < LENGTH(colors); i++) 1578 scheme[i] = drw_scm_create(drw, colors[i], 3); 1579 /* init bars */ 1580 updatebars(); 1581 updatestatus(); 1582 /* supporting window for NetWMCheck */ 1583 wmcheckwin = XCreateSimpleWindow(dpy, root, 0, 0, 1, 1, 0, 0, 0); 1584 XChangeProperty(dpy, wmcheckwin, netatom[NetWMCheck], XA_WINDOW, 32, 1585 PropModeReplace, (unsigned char *) &wmcheckwin, 1); 1586 XChangeProperty(dpy, wmcheckwin, netatom[NetWMName], utf8string, 8, 1587 PropModeReplace, (unsigned char *) "dwm", 3); 1588 XChangeProperty(dpy, root, netatom[NetWMCheck], XA_WINDOW, 32, 1589 PropModeReplace, (unsigned char *) &wmcheckwin, 1); 1590 /* EWMH support per view */ 1591 XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32, 1592 PropModeReplace, (unsigned char *) netatom, NetLast); 1593 XDeleteProperty(dpy, root, netatom[NetClientList]); 1594 /* select events */ 1595 wa.cursor = cursor[CurNormal]->cursor; 1596 wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask 1597 |ButtonPressMask|PointerMotionMask|EnterWindowMask 1598 |LeaveWindowMask|StructureNotifyMask|PropertyChangeMask; 1599 XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa); 1600 XSelectInput(dpy, root, wa.event_mask); 1601 grabkeys(); 1602 focus(NULL); 1603 } 1604 1605 void 1606 seturgent(Client *c, int urg) 1607 { 1608 XWMHints *wmh; 1609 1610 c->isurgent = urg; 1611 if (!(wmh = XGetWMHints(dpy, c->win))) 1612 return; 1613 wmh->flags = urg ? (wmh->flags | XUrgencyHint) : (wmh->flags & ~XUrgencyHint); 1614 XSetWMHints(dpy, c->win, wmh); 1615 XFree(wmh); 1616 } 1617 1618 void 1619 showhide(Client *c) 1620 { 1621 if (!c) 1622 return; 1623 if (ISVISIBLE(c)) { 1624 /* show clients top down */ 1625 XMoveWindow(dpy, c->win, c->x, c->y); 1626 if ((!c->mon->lt[c->mon->sellt]->arrange || c->isfloating) && !c->isfullscreen) 1627 resize(c, c->x, c->y, c->w, c->h, 0); 1628 showhide(c->snext); 1629 } else { 1630 /* hide clients bottom up */ 1631 showhide(c->snext); 1632 XMoveWindow(dpy, c->win, WIDTH(c) * -2, c->y); 1633 } 1634 } 1635 1636 void 1637 spawn(const Arg *arg) 1638 { 1639 struct sigaction sa; 1640 1641 if (arg->v == dmenucmd) 1642 dmenumon[0] = '0' + selmon->num; 1643 if (fork() == 0) { 1644 if (dpy) 1645 close(ConnectionNumber(dpy)); 1646 setsid(); 1647 1648 sigemptyset(&sa.sa_mask); 1649 sa.sa_flags = 0; 1650 sa.sa_handler = SIG_DFL; 1651 sigaction(SIGCHLD, &sa, NULL); 1652 1653 execvp(((char **)arg->v)[0], (char **)arg->v); 1654 die("dwm: execvp '%s' failed:", ((char **)arg->v)[0]); 1655 } 1656 } 1657 1658 void 1659 tag(const Arg *arg) 1660 { 1661 if (selmon->sel && arg->ui & TAGMASK) { 1662 selmon->sel->tags = arg->ui & TAGMASK; 1663 focus(NULL); 1664 arrange(selmon); 1665 } 1666 } 1667 1668 void 1669 tagmon(const Arg *arg) 1670 { 1671 if (!selmon->sel || !mons->next) 1672 return; 1673 sendmon(selmon->sel, dirtomon(arg->i)); 1674 } 1675 1676 void 1677 col(Monitor *m) 1678 { 1679 unsigned int i, n, h, w, x, y, mw; 1680 Client *c; 1681 1682 for (n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++); 1683 if (n == 0) 1684 return; 1685 1686 if (n > m->nmaster) 1687 mw = m->nmaster ? m->ww * m->mfact : 0; 1688 else 1689 mw = m->ww; 1690 for (i = x = y = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++) 1691 if (i < m->nmaster) { 1692 w = (mw - x) / (MIN(n, m->nmaster) - i); 1693 resize(c, x + m->wx, m->wy, w - (2 * c->bw), m->wh - (2 * c->bw), 0); 1694 x += WIDTH(c); 1695 } else { 1696 h = (m->wh - y) / (n - i); 1697 resize(c, x + m->wx, m->wy + y, m->ww - x - (2 * c->bw), h - (2 * c->bw), 0); 1698 y += HEIGHT(c); 1699 } 1700 } 1701 1702 void 1703 tile(Monitor *m) 1704 { 1705 unsigned int i, n, h, mw, my, ty; 1706 Client *c; 1707 1708 for (n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++); 1709 if (n == 0) 1710 return; 1711 1712 if (n > m->nmaster) 1713 mw = m->nmaster ? m->ww * m->mfact : 0; 1714 else 1715 mw = m->ww; 1716 for (i = my = ty = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++) 1717 if (i < m->nmaster) { 1718 h = (m->wh - my) / (MIN(n, m->nmaster) - i); 1719 resize(c, m->wx, m->wy + my, mw - (2*c->bw), h - (2*c->bw), 0); 1720 if (my + HEIGHT(c) < m->wh) 1721 my += HEIGHT(c); 1722 } else { 1723 h = (m->wh - ty) / (n - i); 1724 resize(c, m->wx + mw, m->wy + ty, m->ww - mw - (2*c->bw), h - (2*c->bw), 0); 1725 if (ty + HEIGHT(c) < m->wh) 1726 ty += HEIGHT(c); 1727 } 1728 } 1729 1730 void 1731 togglebar(const Arg *arg) 1732 { 1733 selmon->showbar = !selmon->showbar; 1734 updatebarpos(selmon); 1735 XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh); 1736 arrange(selmon); 1737 } 1738 1739 void 1740 togglefloating(const Arg *arg) 1741 { 1742 if (!selmon->sel) 1743 return; 1744 if (selmon->sel->isfullscreen) /* no support for fullscreen windows */ 1745 return; 1746 selmon->sel->isfloating = !selmon->sel->isfloating || selmon->sel->isfixed; 1747 if (selmon->sel->isfloating) 1748 resize(selmon->sel, selmon->sel->x, selmon->sel->y, 1749 selmon->sel->w, selmon->sel->h, 0); 1750 arrange(selmon); 1751 } 1752 1753 1754 void 1755 toggletag(const Arg *arg) 1756 { 1757 unsigned int newtags; 1758 1759 if (!selmon->sel) 1760 return; 1761 newtags = selmon->sel->tags ^ (arg->ui & TAGMASK); 1762 if (newtags) { 1763 selmon->sel->tags = newtags; 1764 focus(NULL); 1765 arrange(selmon); 1766 } 1767 } 1768 1769 void 1770 toggleview(const Arg *arg) 1771 { 1772 unsigned int newtagset = selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK); 1773 1774 if (newtagset) { 1775 selmon->tagset[selmon->seltags] = newtagset; 1776 focus(NULL); 1777 arrange(selmon); 1778 } 1779 } 1780 1781 void 1782 unfocus(Client *c, int setfocus) 1783 { 1784 if (!c) 1785 return; 1786 grabbuttons(c, 0); 1787 XSetWindowBorder(dpy, c->win, scheme[SchemeNorm][ColBorder].pixel); 1788 if (setfocus) { 1789 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime); 1790 XDeleteProperty(dpy, root, netatom[NetActiveWindow]); 1791 } 1792 } 1793 1794 void 1795 unmanage(Client *c, int destroyed) 1796 { 1797 Monitor *m = c->mon; 1798 XWindowChanges wc; 1799 1800 detach(c); 1801 detachstack(c); 1802 if (!destroyed) { 1803 wc.border_width = c->oldbw; 1804 XGrabServer(dpy); /* avoid race conditions */ 1805 XSetErrorHandler(xerrordummy); 1806 XSelectInput(dpy, c->win, NoEventMask); 1807 XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */ 1808 XUngrabButton(dpy, AnyButton, AnyModifier, c->win); 1809 setclientstate(c, WithdrawnState); 1810 XSync(dpy, False); 1811 XSetErrorHandler(xerror); 1812 XUngrabServer(dpy); 1813 } 1814 free(c); 1815 focus(NULL); 1816 updateclientlist(); 1817 arrange(m); 1818 } 1819 1820 void 1821 unmapnotify(XEvent *e) 1822 { 1823 Client *c; 1824 XUnmapEvent *ev = &e->xunmap; 1825 1826 if ((c = wintoclient(ev->window))) { 1827 if (ev->send_event) 1828 setclientstate(c, WithdrawnState); 1829 else 1830 unmanage(c, 0); 1831 } 1832 } 1833 1834 void 1835 updatebars(void) 1836 { 1837 Monitor *m; 1838 XSetWindowAttributes wa = { 1839 .override_redirect = True, 1840 .background_pixmap = ParentRelative, 1841 .event_mask = ButtonPressMask|ExposureMask 1842 }; 1843 XClassHint ch = {"dwm", "dwm"}; 1844 for (m = mons; m; m = m->next) { 1845 if (m->barwin) 1846 continue; 1847 m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen), 1848 CopyFromParent, DefaultVisual(dpy, screen), 1849 CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa); 1850 XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor); 1851 XMapRaised(dpy, m->barwin); 1852 XSetClassHint(dpy, m->barwin, &ch); 1853 } 1854 } 1855 1856 void 1857 updatebarpos(Monitor *m) 1858 { 1859 m->wy = m->my; 1860 m->wh = m->mh; 1861 if (m->showbar) { 1862 m->wh -= bh; 1863 m->by = m->topbar ? m->wy : m->wy + m->wh; 1864 m->wy = m->topbar ? m->wy + bh : m->wy; 1865 } else 1866 m->by = -bh; 1867 } 1868 1869 void 1870 updateclientlist(void) 1871 { 1872 Client *c; 1873 Monitor *m; 1874 1875 XDeleteProperty(dpy, root, netatom[NetClientList]); 1876 for (m = mons; m; m = m->next) 1877 for (c = m->clients; c; c = c->next) 1878 XChangeProperty(dpy, root, netatom[NetClientList], 1879 XA_WINDOW, 32, PropModeAppend, 1880 (unsigned char *) &(c->win), 1); 1881 } 1882 1883 int 1884 updategeom(void) 1885 { 1886 int dirty = 0; 1887 1888 #ifdef XINERAMA 1889 if (XineramaIsActive(dpy)) { 1890 int i, j, n, nn; 1891 Client *c; 1892 Monitor *m; 1893 XineramaScreenInfo *info = XineramaQueryScreens(dpy, &nn); 1894 XineramaScreenInfo *unique = NULL; 1895 1896 for (n = 0, m = mons; m; m = m->next, n++); 1897 /* only consider unique geometries as separate screens */ 1898 unique = ecalloc(nn, sizeof(XineramaScreenInfo)); 1899 for (i = 0, j = 0; i < nn; i++) 1900 if (isuniquegeom(unique, j, &info[i])) 1901 memcpy(&unique[j++], &info[i], sizeof(XineramaScreenInfo)); 1902 XFree(info); 1903 nn = j; 1904 1905 /* new monitors if nn > n */ 1906 for (i = n; i < nn; i++) { 1907 for (m = mons; m && m->next; m = m->next); 1908 if (m) 1909 m->next = createmon(); 1910 else 1911 mons = createmon(); 1912 } 1913 for (i = 0, m = mons; i < nn && m; m = m->next, i++) 1914 if (i >= n 1915 || unique[i].x_org != m->mx || unique[i].y_org != m->my 1916 || unique[i].width != m->mw || unique[i].height != m->mh) 1917 { 1918 dirty = 1; 1919 m->num = i; 1920 m->mx = m->wx = unique[i].x_org; 1921 m->my = m->wy = unique[i].y_org; 1922 m->mw = m->ww = unique[i].width; 1923 m->mh = m->wh = unique[i].height; 1924 updatebarpos(m); 1925 } 1926 /* removed monitors if n > nn */ 1927 for (i = nn; i < n; i++) { 1928 for (m = mons; m && m->next; m = m->next); 1929 while ((c = m->clients)) { 1930 dirty = 1; 1931 m->clients = c->next; 1932 detachstack(c); 1933 c->mon = mons; 1934 attachbottom(c); 1935 attachstack(c); 1936 } 1937 if (m == selmon) 1938 selmon = mons; 1939 cleanupmon(m); 1940 } 1941 free(unique); 1942 } else 1943 #endif /* XINERAMA */ 1944 { /* default monitor setup */ 1945 if (!mons) 1946 mons = createmon(); 1947 if (mons->mw != sw || mons->mh != sh) { 1948 dirty = 1; 1949 mons->mw = mons->ww = sw; 1950 mons->mh = mons->wh = sh; 1951 updatebarpos(mons); 1952 } 1953 } 1954 if (dirty) { 1955 selmon = mons; 1956 selmon = wintomon(root); 1957 } 1958 return dirty; 1959 } 1960 1961 void 1962 updatenumlockmask(void) 1963 { 1964 unsigned int i, j; 1965 XModifierKeymap *modmap; 1966 1967 numlockmask = 0; 1968 modmap = XGetModifierMapping(dpy); 1969 for (i = 0; i < 8; i++) 1970 for (j = 0; j < modmap->max_keypermod; j++) 1971 if (modmap->modifiermap[i * modmap->max_keypermod + j] 1972 == XKeysymToKeycode(dpy, XK_Num_Lock)) 1973 numlockmask = (1 << i); 1974 XFreeModifiermap(modmap); 1975 } 1976 1977 void 1978 updatesizehints(Client *c) 1979 { 1980 long msize; 1981 XSizeHints size; 1982 1983 if (!XGetWMNormalHints(dpy, c->win, &size, &msize)) 1984 /* size is uninitialized, ensure that size.flags aren't used */ 1985 size.flags = PSize; 1986 if (size.flags & PBaseSize) { 1987 c->basew = size.base_width; 1988 c->baseh = size.base_height; 1989 } else if (size.flags & PMinSize) { 1990 c->basew = size.min_width; 1991 c->baseh = size.min_height; 1992 } else 1993 c->basew = c->baseh = 0; 1994 if (size.flags & PResizeInc) { 1995 c->incw = size.width_inc; 1996 c->inch = size.height_inc; 1997 } else 1998 c->incw = c->inch = 0; 1999 if (size.flags & PMaxSize) { 2000 c->maxw = size.max_width; 2001 c->maxh = size.max_height; 2002 } else 2003 c->maxw = c->maxh = 0; 2004 if (size.flags & PMinSize) { 2005 c->minw = size.min_width; 2006 c->minh = size.min_height; 2007 } else if (size.flags & PBaseSize) { 2008 c->minw = size.base_width; 2009 c->minh = size.base_height; 2010 } else 2011 c->minw = c->minh = 0; 2012 if (size.flags & PAspect) { 2013 c->mina = (float)size.min_aspect.y / size.min_aspect.x; 2014 c->maxa = (float)size.max_aspect.x / size.max_aspect.y; 2015 } else 2016 c->maxa = c->mina = 0.0; 2017 c->isfixed = (c->maxw && c->maxh && c->maxw == c->minw && c->maxh == c->minh); 2018 c->hintsvalid = 1; 2019 } 2020 2021 void 2022 updatestatus(void) 2023 { 2024 if (!gettextprop(root, XA_WM_NAME, stext, sizeof(stext))) 2025 strcpy(stext, "dwm-"VERSION); 2026 drawbar(selmon); 2027 } 2028 2029 void 2030 updatetitle(Client *c) 2031 { 2032 if (!gettextprop(c->win, netatom[NetWMName], c->name, sizeof c->name)) 2033 gettextprop(c->win, XA_WM_NAME, c->name, sizeof c->name); 2034 if (c->name[0] == '\0') /* hack to mark broken clients */ 2035 strcpy(c->name, broken); 2036 } 2037 2038 void 2039 updatewindowtype(Client *c) 2040 { 2041 Atom state = getatomprop(c, netatom[NetWMState]); 2042 Atom wtype = getatomprop(c, netatom[NetWMWindowType]); 2043 2044 if (state == netatom[NetWMFullscreen]) 2045 setfullscreen(c, 1); 2046 if (wtype == netatom[NetWMWindowTypeDialog]) 2047 c->isfloating = 1; 2048 } 2049 2050 void 2051 updatewmhints(Client *c) 2052 { 2053 XWMHints *wmh; 2054 2055 if ((wmh = XGetWMHints(dpy, c->win))) { 2056 if (c == selmon->sel && wmh->flags & XUrgencyHint) { 2057 wmh->flags &= ~XUrgencyHint; 2058 XSetWMHints(dpy, c->win, wmh); 2059 } else 2060 c->isurgent = (wmh->flags & XUrgencyHint) ? 1 : 0; 2061 if (wmh->flags & InputHint) 2062 c->neverfocus = !wmh->input; 2063 else 2064 c->neverfocus = 0; 2065 XFree(wmh); 2066 } 2067 } 2068 2069 void 2070 view(const Arg *arg) 2071 { 2072 if ((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags]) 2073 return; 2074 selmon->seltags ^= 1; /* toggle sel tagset */ 2075 if (arg->ui & TAGMASK) 2076 selmon->tagset[selmon->seltags] = arg->ui & TAGMASK; 2077 focus(NULL); 2078 arrange(selmon); 2079 } 2080 2081 Client * 2082 wintoclient(Window w) 2083 { 2084 Client *c; 2085 Monitor *m; 2086 2087 for (m = mons; m; m = m->next) 2088 for (c = m->clients; c; c = c->next) 2089 if (c->win == w) 2090 return c; 2091 return NULL; 2092 } 2093 2094 Monitor * 2095 wintomon(Window w) 2096 { 2097 int x, y; 2098 Client *c; 2099 Monitor *m; 2100 2101 if (w == root && getrootptr(&x, &y)) 2102 return recttomon(x, y, 1, 1); 2103 for (m = mons; m; m = m->next) 2104 if (w == m->barwin) 2105 return m; 2106 if ((c = wintoclient(w))) 2107 return c->mon; 2108 return selmon; 2109 } 2110 2111 /* There's no way to check accesses to destroyed windows, thus those cases are 2112 * ignored (especially on UnmapNotify's). Other types of errors call Xlibs 2113 * default error handler, which may call exit. */ 2114 int 2115 xerror(Display *dpy, XErrorEvent *ee) 2116 { 2117 if (ee->error_code == BadWindow 2118 || (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch) 2119 || (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable) 2120 || (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable) 2121 || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable) 2122 || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch) 2123 || (ee->request_code == X_GrabButton && ee->error_code == BadAccess) 2124 || (ee->request_code == X_GrabKey && ee->error_code == BadAccess) 2125 || (ee->request_code == X_CopyArea && ee->error_code == BadDrawable)) 2126 return 0; 2127 fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n", 2128 ee->request_code, ee->error_code); 2129 return xerrorxlib(dpy, ee); /* may call exit */ 2130 } 2131 2132 int 2133 xerrordummy(Display *dpy, XErrorEvent *ee) 2134 { 2135 return 0; 2136 } 2137 2138 /* Startup Error handler to check if another window manager 2139 * is already running. */ 2140 int 2141 xerrorstart(Display *dpy, XErrorEvent *ee) 2142 { 2143 die("dwm: another window manager is already running"); 2144 return -1; 2145 } 2146 2147 void 2148 zoom(const Arg *arg) 2149 { 2150 Client *c = selmon->sel; 2151 2152 if (!selmon->lt[selmon->sellt]->arrange || !c || c->isfloating) 2153 return; 2154 if (c == nexttiled(selmon->clients) && !(c = nexttiled(c->next))) 2155 return; 2156 pop(c); 2157 } 2158 2159 int 2160 main(int argc, char *argv[]) 2161 { 2162 if (argc == 2 && !strcmp("-v", argv[1])) 2163 die("dwm-"VERSION); 2164 else if (argc != 1) 2165 die("usage: dwm [-v]"); 2166 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale()) 2167 fputs("warning: no locale support\n", stderr); 2168 if (!(dpy = XOpenDisplay(NULL))) 2169 die("dwm: cannot open display"); 2170 checkotherwm(); 2171 setup(); 2172 #ifdef __OpenBSD__ 2173 if (pledge("stdio rpath proc exec", NULL) == -1) 2174 die("pledge"); 2175 #endif /* __OpenBSD__ */ 2176 scan(); 2177 run(); 2178 cleanup(); 2179 XCloseDisplay(dpy); 2180 return EXIT_SUCCESS; 2181 } 2182