1 /* See LICENSE file for copyright and license details.
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.
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
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
19 * Keys and tagging rules are organized as arrays and defined in config.h.
21 * To understand everything else, start reading main().
31 #include <sys/types.h>
33 #include <X11/cursorfont.h>
34 #include <X11/keysym.h>
35 #include <X11/Xatom.h>
37 #include <X11/Xproto.h>
38 #include <X11/Xutil.h>
39 #include <X11/Xresource.h>
41 #include <X11/extensions/Xinerama.h>
43 #include <X11/Xft/Xft.h>
49 #define BUTTONMASK (ButtonPressMask|ButtonReleaseMask)
50 #define CLEANMASK(mask) (mask & ~(numlockmask|LockMask) & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask))
51 #define INTERSECT(x,y,w,h,m) (MAX(0, MIN((x)+(w),(m)->wx+(m)->ww) - MAX((x),(m)->wx)) \
52 * MAX(0, MIN((y)+(h),(m)->wy+(m)->wh) - MAX((y),(m)->wy)))
53 #define ISVISIBLE(C) ((C->tags & C->mon->tagset[C->mon->seltags]))
54 #define LENGTH(X) (sizeof X / sizeof X[0])
55 #define MOUSEMASK (BUTTONMASK|PointerMotionMask)
56 #define WIDTH(X) ((X)->w + 2 * (X)->bw)
57 #define HEIGHT(X) ((X)->h + 2 * (X)->bw)
58 #define TAGMASK ((1 << LENGTH(tags)) - 1)
59 #define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
62 enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
63 enum { SchemeNorm, SchemeSel }; /* color schemes */
64 enum { NetSupported, NetWMName, NetWMState, NetWMCheck,
65 NetWMFullscreen, NetActiveWindow, NetWMWindowType,
66 NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
67 enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */
68 enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
69 ClkClientWin, ClkRootWin, ClkLast }; /* clicks */
82 void (*func)(const Arg *arg);
86 typedef struct Monitor Monitor;
87 typedef struct Client Client;
92 int oldx, oldy, oldw, oldh;
93 int basew, baseh, incw, inch, maxw, maxh, minw, minh;
96 int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen;
106 void (*func)(const Arg *);
112 void (*arrange)(Monitor *);
120 int by; /* bar geometry */
121 int mx, my, mw, mh; /* screen size */
122 int wx, wy, ww, wh; /* window area */
123 int gappx; /* gaps between windows */
124 unsigned int seltags;
126 unsigned int tagset[2];
139 const char *instance;
146 /* Xresources preferences */
155 enum resource_type type;
159 /* function declarations */
160 static void applyrules(Client *c);
161 static int applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact);
162 static void arrange(Monitor *m);
163 static void arrangemon(Monitor *m);
164 static void attach(Client *c);
165 static void attachstack(Client *c);
166 static void buttonpress(XEvent *e);
167 static void checkotherwm(void);
168 static void cleanup(void);
169 static void cleanupmon(Monitor *mon);
170 static void clientmessage(XEvent *e);
171 static void configure(Client *c);
172 static void configurenotify(XEvent *e);
173 static void configurerequest(XEvent *e);
174 static Monitor *createmon(void);
175 static void destroynotify(XEvent *e);
176 static void detach(Client *c);
177 static void detachstack(Client *c);
178 static Monitor *dirtomon(int dir);
179 static void drawbar(Monitor *m);
180 static void drawbars(void);
181 static void enternotify(XEvent *e);
182 static void expose(XEvent *e);
183 static void focus(Client *c);
184 static void focusin(XEvent *e);
185 static void focusmon(const Arg *arg);
186 static void focusstack(const Arg *arg);
187 static Atom getatomprop(Client *c, Atom prop);
188 static int getrootptr(int *x, int *y);
189 static long getstate(Window w);
190 static int gettextprop(Window w, Atom atom, char *text, unsigned int size);
191 static void grabbuttons(Client *c, int focused);
192 static void grabkeys(void);
193 static void incnmaster(const Arg *arg);
194 static void keypress(XEvent *e);
195 static void killclient(const Arg *arg);
196 static void manage(Window w, XWindowAttributes *wa);
197 static void mappingnotify(XEvent *e);
198 static void maprequest(XEvent *e);
199 static void monocle(Monitor *m);
200 static void motionnotify(XEvent *e);
201 static void movemouse(const Arg *arg);
202 static Client *nexttiled(Client *c);
203 static void pop(Client *);
204 static void propertynotify(XEvent *e);
205 static void quit(const Arg *arg);
206 static Monitor *recttomon(int x, int y, int w, int h);
207 static void resize(Client *c, int x, int y, int w, int h, int interact);
208 static void resizeclient(Client *c, int x, int y, int w, int h);
209 static void resizemouse(const Arg *arg);
210 static void restack(Monitor *m);
211 static void run(void);
212 static void scan(void);
213 static int sendevent(Client *c, Atom proto);
214 static void sendmon(Client *c, Monitor *m);
215 static void setclientstate(Client *c, long state);
216 static void setfocus(Client *c);
217 static void setfullscreen(Client *c, int fullscreen);
218 static void setgaps(const Arg *arg);
219 static void setlayout(const Arg *arg);
220 static void setmfact(const Arg *arg);
221 static void setup(void);
222 static void seturgent(Client *c, int urg);
223 static void showhide(Client *c);
224 static void sigchld(int unused);
225 static void spawn(const Arg *arg);
226 static void tag(const Arg *arg);
227 static void tagmon(const Arg *arg);
228 static void tile(Monitor *);
229 static void togglebar(const Arg *arg);
230 static void togglefloating(const Arg *arg);
231 static void toggletag(const Arg *arg);
232 static void toggleview(const Arg *arg);
233 static void unfocus(Client *c, int setfocus);
234 static void unmanage(Client *c, int destroyed);
235 static void unmapnotify(XEvent *e);
236 static void updatebarpos(Monitor *m);
237 static void updatebars(void);
238 static void updateclientlist(void);
239 static int updategeom(void);
240 static void updatenumlockmask(void);
241 static void updatesizehints(Client *c);
242 static void updatestatus(void);
243 static void updatetitle(Client *c);
244 static void updatewindowtype(Client *c);
245 static void updatewmhints(Client *c);
246 static void view(const Arg *arg);
247 static Client *wintoclient(Window w);
248 static Monitor *wintomon(Window w);
249 static int xerror(Display *dpy, XErrorEvent *ee);
250 static int xerrordummy(Display *dpy, XErrorEvent *ee);
251 static int xerrorstart(Display *dpy, XErrorEvent *ee);
252 static void zoom(const Arg *arg);
253 static void load_xresources(void);
254 static void resource_load(XrmDatabase db, char *name, enum resource_type rtype, void *dst);
257 static const char broken[] = "broken";
258 static char stext[256];
260 static int sw, sh; /* X display screen geometry width, height */
261 static int bh, blw = 0; /* bar geometry */
262 static int lrpad; /* sum of left and right padding for text */
263 static int (*xerrorxlib)(Display *, XErrorEvent *);
264 static unsigned int numlockmask = 0;
265 static void (*handler[LASTEvent]) (XEvent *) = {
266 [ButtonPress] = buttonpress,
267 [ClientMessage] = clientmessage,
268 [ConfigureRequest] = configurerequest,
269 [ConfigureNotify] = configurenotify,
270 [DestroyNotify] = destroynotify,
271 [EnterNotify] = enternotify,
274 [KeyPress] = keypress,
275 [MappingNotify] = mappingnotify,
276 [MapRequest] = maprequest,
277 [MotionNotify] = motionnotify,
278 [PropertyNotify] = propertynotify,
279 [UnmapNotify] = unmapnotify
281 static Atom wmatom[WMLast], netatom[NetLast];
282 static int running = 1;
283 static Cur *cursor[CurLast];
287 static Monitor *mons, *selmon;
288 static Window root, wmcheckwin;
290 /* configuration, allows nested code to access above variables */
293 /* compile-time check if all tags fit into an unsigned int bit array. */
294 struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; };
296 /* function implementations */
298 applyrules(Client *c)
300 const char *class, *instance;
304 XClassHint ch = { NULL, NULL };
309 XGetClassHint(dpy, c->win, &ch);
310 class = ch.res_class ? ch.res_class : broken;
311 instance = ch.res_name ? ch.res_name : broken;
313 for (i = 0; i < LENGTH(rules); i++) {
315 if ((!r->title || strstr(c->name, r->title))
316 && (!r->class || strstr(class, r->class))
317 && (!r->instance || strstr(instance, r->instance)))
319 c->isfloating = r->isfloating;
321 for (m = mons; m && m->num != r->monitor; m = m->next);
330 c->tags = c->tags & TAGMASK ? c->tags & TAGMASK : c->mon->tagset[c->mon->seltags];
334 applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact)
339 /* set minimum possible */
347 if (*x + *w + 2 * c->bw < 0)
349 if (*y + *h + 2 * c->bw < 0)
352 if (*x >= m->wx + m->ww)
353 *x = m->wx + m->ww - WIDTH(c);
354 if (*y >= m->wy + m->wh)
355 *y = m->wy + m->wh - HEIGHT(c);
356 if (*x + *w + 2 * c->bw <= m->wx)
358 if (*y + *h + 2 * c->bw <= m->wy)
365 if (resizehints || c->isfloating || !c->mon->lt[c->mon->sellt]->arrange) {
366 /* see last two sentences in ICCCM 4.1.2.3 */
367 baseismin = c->basew == c->minw && c->baseh == c->minh;
368 if (!baseismin) { /* temporarily remove base dimensions */
372 /* adjust for aspect limits */
373 if (c->mina > 0 && c->maxa > 0) {
374 if (c->maxa < (float)*w / *h)
375 *w = *h * c->maxa + 0.5;
376 else if (c->mina < (float)*h / *w)
377 *h = *w * c->mina + 0.5;
379 if (baseismin) { /* increment calculation requires this */
383 /* adjust for increment value */
388 /* restore base dimensions */
389 *w = MAX(*w + c->basew, c->minw);
390 *h = MAX(*h + c->baseh, c->minh);
392 *w = MIN(*w, c->maxw);
394 *h = MIN(*h, c->maxh);
396 return *x != c->x || *y != c->y || *w != c->w || *h != c->h;
404 else for (m = mons; m; m = m->next)
409 } else for (m = mons; m; m = m->next)
414 arrangemon(Monitor *m)
416 strncpy(m->ltsymbol, m->lt[m->sellt]->symbol, sizeof m->ltsymbol);
417 if (m->lt[m->sellt]->arrange)
418 m->lt[m->sellt]->arrange(m);
424 c->next = c->mon->clients;
429 attachstack(Client *c)
431 c->snext = c->mon->stack;
436 buttonpress(XEvent *e)
438 unsigned int i, x, click;
442 XButtonPressedEvent *ev = &e->xbutton;
445 /* focus monitor if necessary */
446 if ((m = wintomon(ev->window)) && m != selmon) {
447 unfocus(selmon->sel, 1);
451 if (ev->window == selmon->barwin) {
455 while (ev->x >= x && ++i < LENGTH(tags));
456 if (i < LENGTH(tags)) {
459 } else if (ev->x < x + blw)
461 else if (ev->x > selmon->ww - TEXTW(stext))
462 click = ClkStatusText;
465 } else if ((c = wintoclient(ev->window))) {
468 XAllowEvents(dpy, ReplayPointer, CurrentTime);
469 click = ClkClientWin;
471 for (i = 0; i < LENGTH(buttons); i++)
472 if (click == buttons[i].click && buttons[i].func && buttons[i].button == ev->button
473 && CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
474 buttons[i].func(click == ClkTagBar && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg);
480 xerrorxlib = XSetErrorHandler(xerrorstart);
481 /* this causes an error if some other window manager is running */
482 XSelectInput(dpy, DefaultRootWindow(dpy), SubstructureRedirectMask);
484 XSetErrorHandler(xerror);
492 Layout foo = { "", NULL };
497 selmon->lt[selmon->sellt] = &foo;
498 for (m = mons; m; m = m->next)
500 unmanage(m->stack, 0);
501 XUngrabKey(dpy, AnyKey, AnyModifier, root);
504 for (i = 0; i < CurLast; i++)
505 drw_cur_free(drw, cursor[i]);
506 for (i = 0; i < LENGTH(colors); i++)
508 XDestroyWindow(dpy, wmcheckwin);
511 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
512 XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
516 cleanupmon(Monitor *mon)
523 for (m = mons; m && m->next != mon; m = m->next);
526 XUnmapWindow(dpy, mon->barwin);
527 XDestroyWindow(dpy, mon->barwin);
532 clientmessage(XEvent *e)
534 XClientMessageEvent *cme = &e->xclient;
535 Client *c = wintoclient(cme->window);
539 if (cme->message_type == netatom[NetWMState]) {
540 if (cme->data.l[1] == netatom[NetWMFullscreen]
541 || cme->data.l[2] == netatom[NetWMFullscreen])
542 setfullscreen(c, (cme->data.l[0] == 1 /* _NET_WM_STATE_ADD */
543 || (cme->data.l[0] == 2 /* _NET_WM_STATE_TOGGLE */ && !c->isfullscreen)));
544 } else if (cme->message_type == netatom[NetActiveWindow]) {
545 if (c != selmon->sel && !c->isurgent)
555 ce.type = ConfigureNotify;
563 ce.border_width = c->bw;
565 ce.override_redirect = False;
566 XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce);
570 configurenotify(XEvent *e)
574 XConfigureEvent *ev = &e->xconfigure;
577 /* TODO: updategeom handling sucks, needs to be simplified */
578 if (ev->window == root) {
579 dirty = (sw != ev->width || sh != ev->height);
582 if (updategeom() || dirty) {
583 drw_resize(drw, sw, bh);
585 for (m = mons; m; m = m->next) {
586 for (c = m->clients; c; c = c->next)
588 resizeclient(c, m->mx, m->my, m->mw, m->mh);
589 XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh);
598 configurerequest(XEvent *e)
602 XConfigureRequestEvent *ev = &e->xconfigurerequest;
605 if ((c = wintoclient(ev->window))) {
606 if (ev->value_mask & CWBorderWidth)
607 c->bw = ev->border_width;
608 else if (c->isfloating || !selmon->lt[selmon->sellt]->arrange) {
610 if (ev->value_mask & CWX) {
612 c->x = m->mx + ev->x;
614 if (ev->value_mask & CWY) {
616 c->y = m->my + ev->y;
618 if (ev->value_mask & CWWidth) {
622 if (ev->value_mask & CWHeight) {
626 if ((c->x + c->w) > m->mx + m->mw && c->isfloating)
627 c->x = m->mx + (m->mw / 2 - WIDTH(c) / 2); /* center in x direction */
628 if ((c->y + c->h) > m->my + m->mh && c->isfloating)
629 c->y = m->my + (m->mh / 2 - HEIGHT(c) / 2); /* center in y direction */
630 if ((ev->value_mask & (CWX|CWY)) && !(ev->value_mask & (CWWidth|CWHeight)))
633 XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
639 wc.width = ev->width;
640 wc.height = ev->height;
641 wc.border_width = ev->border_width;
642 wc.sibling = ev->above;
643 wc.stack_mode = ev->detail;
644 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
654 m = ecalloc(1, sizeof(Monitor));
655 m->tagset[0] = m->tagset[1] = 1;
657 m->nmaster = nmaster;
658 m->showbar = showbar;
661 m->lt[0] = &layouts[0];
662 m->lt[1] = &layouts[1 % LENGTH(layouts)];
663 strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol);
668 destroynotify(XEvent *e)
671 XDestroyWindowEvent *ev = &e->xdestroywindow;
673 if ((c = wintoclient(ev->window)))
682 for (tc = &c->mon->clients; *tc && *tc != c; tc = &(*tc)->next);
687 detachstack(Client *c)
691 for (tc = &c->mon->stack; *tc && *tc != c; tc = &(*tc)->snext);
694 if (c == c->mon->sel) {
695 for (t = c->mon->stack; t && !ISVISIBLE(t); t = t->snext);
706 if (!(m = selmon->next))
708 } else if (selmon == mons)
709 for (m = mons; m->next; m = m->next);
711 for (m = mons; m->next != selmon; m = m->next);
719 int boxs = drw->fonts->h / 9;
720 int boxw = drw->fonts->h / 6 + 2;
721 unsigned int i, occ = 0, urg = 0;
724 /* draw status first so it can be overdrawn by tags later */
725 if (m == selmon) { /* status is only drawn on selected monitor */
726 drw_setscheme(drw, scheme[SchemeNorm]);
727 tw = TEXTW(stext) - lrpad + 2; /* 2px right padding */
728 drw_text(drw, m->ww - tw, 0, tw, bh, 0, stext, 0);
731 for (c = m->clients; c; c = c->next) {
737 for (i = 0; i < LENGTH(tags); i++) {
739 drw_setscheme(drw, scheme[m->tagset[m->seltags] & 1 << i ? SchemeSel : SchemeNorm]);
740 drw_text(drw, x, 0, w, bh, lrpad / 2, tags[i], urg & 1 << i);
742 drw_rect(drw, x + boxs, boxs, boxw, boxw,
743 m == selmon && selmon->sel && selmon->sel->tags & 1 << i,
747 w = blw = TEXTW(m->ltsymbol);
748 drw_setscheme(drw, scheme[SchemeNorm]);
749 x = drw_text(drw, x, 0, w, bh, lrpad / 2, m->ltsymbol, 0);
751 if ((w = m->ww - tw - x) > bh) {
753 drw_setscheme(drw, scheme[m == selmon ? SchemeSel : SchemeNorm]);
754 drw_text(drw, x, 0, w, bh, lrpad / 2, m->sel->name, 0);
755 if (m->sel->isfloating)
756 drw_rect(drw, x + boxs, boxs, boxw, boxw, m->sel->isfixed, 0);
758 drw_setscheme(drw, scheme[SchemeNorm]);
759 drw_rect(drw, x, 0, w, bh, 1, 1);
762 drw_map(drw, m->barwin, 0, 0, m->ww, bh);
770 for (m = mons; m; m = m->next)
775 enternotify(XEvent *e)
779 XCrossingEvent *ev = &e->xcrossing;
781 if ((ev->mode != NotifyNormal || ev->detail == NotifyInferior) && ev->window != root)
783 c = wintoclient(ev->window);
784 m = c ? c->mon : wintomon(ev->window);
786 unfocus(selmon->sel, 1);
788 } else if (!c || c == selmon->sel)
797 XExposeEvent *ev = &e->xexpose;
799 if (ev->count == 0 && (m = wintomon(ev->window)))
806 if (!c || !ISVISIBLE(c))
807 for (c = selmon->stack; c && !ISVISIBLE(c); c = c->snext);
808 if (selmon->sel && selmon->sel != c)
809 unfocus(selmon->sel, 0);
811 if (c->mon != selmon)
818 XSetWindowBorder(dpy, c->win, scheme[SchemeSel][ColBorder].pixel);
821 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
822 XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
828 /* there are some broken focus acquiring clients needing extra handling */
832 XFocusChangeEvent *ev = &e->xfocus;
834 if (selmon->sel && ev->window != selmon->sel->win)
835 setfocus(selmon->sel);
839 focusmon(const Arg *arg)
845 if ((m = dirtomon(arg->i)) == selmon)
847 unfocus(selmon->sel, 0);
853 focusstack(const Arg *arg)
855 Client *c = NULL, *i;
860 for (c = selmon->sel->next; c && !ISVISIBLE(c); c = c->next);
862 for (c = selmon->clients; c && !ISVISIBLE(c); c = c->next);
864 for (i = selmon->clients; i != selmon->sel; i = i->next)
868 for (; i; i = i->next)
879 getatomprop(Client *c, Atom prop)
883 unsigned char *p = NULL;
884 Atom da, atom = None;
886 if (XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, XA_ATOM,
887 &da, &di, &dl, &dl, &p) == Success && p) {
895 getrootptr(int *x, int *y)
901 return XQueryPointer(dpy, root, &dummy, &dummy, x, y, &di, &di, &dui);
909 unsigned char *p = NULL;
910 unsigned long n, extra;
913 if (XGetWindowProperty(dpy, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState],
914 &real, &format, &n, &extra, (unsigned char **)&p) != Success)
923 gettextprop(Window w, Atom atom, char *text, unsigned int size)
929 if (!text || size == 0)
932 if (!XGetTextProperty(dpy, w, &name, atom) || !name.nitems)
934 if (name.encoding == XA_STRING)
935 strncpy(text, (char *)name.value, size - 1);
937 if (XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success && n > 0 && *list) {
938 strncpy(text, *list, size - 1);
939 XFreeStringList(list);
942 text[size - 1] = '\0';
948 grabbuttons(Client *c, int focused)
953 unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
954 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
956 XGrabButton(dpy, AnyButton, AnyModifier, c->win, False,
957 BUTTONMASK, GrabModeSync, GrabModeSync, None, None);
958 for (i = 0; i < LENGTH(buttons); i++)
959 if (buttons[i].click == ClkClientWin)
960 for (j = 0; j < LENGTH(modifiers); j++)
961 XGrabButton(dpy, buttons[i].button,
962 buttons[i].mask | modifiers[j],
963 c->win, False, BUTTONMASK,
964 GrabModeAsync, GrabModeSync, None, None);
974 unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
977 XUngrabKey(dpy, AnyKey, AnyModifier, root);
978 for (i = 0; i < LENGTH(keys); i++)
979 if ((code = XKeysymToKeycode(dpy, keys[i].keysym)))
980 for (j = 0; j < LENGTH(modifiers); j++)
981 XGrabKey(dpy, code, keys[i].mod | modifiers[j], root,
982 True, GrabModeAsync, GrabModeAsync);
987 incnmaster(const Arg *arg)
989 selmon->nmaster = MAX(selmon->nmaster + arg->i, 0);
995 isuniquegeom(XineramaScreenInfo *unique, size_t n, XineramaScreenInfo *info)
998 if (unique[n].x_org == info->x_org && unique[n].y_org == info->y_org
999 && unique[n].width == info->width && unique[n].height == info->height)
1003 #endif /* XINERAMA */
1013 keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
1014 for (i = 0; i < LENGTH(keys); i++)
1015 if (keysym == keys[i].keysym
1016 && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
1018 keys[i].func(&(keys[i].arg));
1022 killclient(const Arg *arg)
1026 if (!sendevent(selmon->sel, wmatom[WMDelete])) {
1028 XSetErrorHandler(xerrordummy);
1029 XSetCloseDownMode(dpy, DestroyAll);
1030 XKillClient(dpy, selmon->sel->win);
1032 XSetErrorHandler(xerror);
1038 manage(Window w, XWindowAttributes *wa)
1040 Client *c, *t = NULL;
1041 Window trans = None;
1044 c = ecalloc(1, sizeof(Client));
1047 c->x = c->oldx = wa->x;
1048 c->y = c->oldy = wa->y;
1049 c->w = c->oldw = wa->width;
1050 c->h = c->oldh = wa->height;
1051 c->oldbw = wa->border_width;
1054 if (XGetTransientForHint(dpy, w, &trans) && (t = wintoclient(trans))) {
1062 if (c->x + WIDTH(c) > c->mon->mx + c->mon->mw)
1063 c->x = c->mon->mx + c->mon->mw - WIDTH(c);
1064 if (c->y + HEIGHT(c) > c->mon->my + c->mon->mh)
1065 c->y = c->mon->my + c->mon->mh - HEIGHT(c);
1066 c->x = MAX(c->x, c->mon->mx);
1067 /* only fix client y-offset, if the client center might cover the bar */
1068 c->y = MAX(c->y, ((c->mon->by == c->mon->my) && (c->x + (c->w / 2) >= c->mon->wx)
1069 && (c->x + (c->w / 2) < c->mon->wx + c->mon->ww)) ? bh : c->mon->my);
1072 wc.border_width = c->bw;
1073 XConfigureWindow(dpy, w, CWBorderWidth, &wc);
1074 XSetWindowBorder(dpy, w, scheme[SchemeNorm][ColBorder].pixel);
1075 configure(c); /* propagates border_width, if size doesn't change */
1076 updatewindowtype(c);
1079 XSelectInput(dpy, w, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask);
1082 c->isfloating = c->oldstate = trans != None || c->isfixed;
1084 XRaiseWindow(dpy, c->win);
1087 XChangeProperty(dpy, root, netatom[NetClientList], XA_WINDOW, 32, PropModeAppend,
1088 (unsigned char *) &(c->win), 1);
1089 XMoveResizeWindow(dpy, c->win, c->x + 2 * sw, c->y, c->w, c->h); /* some windows require this */
1090 setclientstate(c, NormalState);
1091 if (c->mon == selmon)
1092 unfocus(selmon->sel, 0);
1095 XMapWindow(dpy, c->win);
1100 mappingnotify(XEvent *e)
1102 XMappingEvent *ev = &e->xmapping;
1104 XRefreshKeyboardMapping(ev);
1105 if (ev->request == MappingKeyboard)
1110 maprequest(XEvent *e)
1112 static XWindowAttributes wa;
1113 XMapRequestEvent *ev = &e->xmaprequest;
1115 if (!XGetWindowAttributes(dpy, ev->window, &wa))
1117 if (wa.override_redirect)
1119 if (!wintoclient(ev->window))
1120 manage(ev->window, &wa);
1129 for (c = m->clients; c; c = c->next)
1132 if (n > 0) /* override layout symbol */
1133 snprintf(m->ltsymbol, sizeof m->ltsymbol, "[%d]", n);
1134 for (c = nexttiled(m->clients); c; c = nexttiled(c->next))
1135 resize(c, m->wx, m->wy, m->ww - 2 * c->bw, m->wh - 2 * c->bw, 0);
1139 motionnotify(XEvent *e)
1141 static Monitor *mon = NULL;
1143 XMotionEvent *ev = &e->xmotion;
1145 if (ev->window != root)
1147 if ((m = recttomon(ev->x_root, ev->y_root, 1, 1)) != mon && mon) {
1148 unfocus(selmon->sel, 1);
1156 movemouse(const Arg *arg)
1158 int x, y, ocx, ocy, nx, ny;
1164 if (!(c = selmon->sel))
1166 if (c->isfullscreen) /* no support moving fullscreen windows by mouse */
1171 if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
1172 None, cursor[CurMove]->cursor, CurrentTime) != GrabSuccess)
1174 if (!getrootptr(&x, &y))
1177 XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
1179 case ConfigureRequest:
1182 handler[ev.type](&ev);
1185 if ((ev.xmotion.time - lasttime) <= (1000 / 60))
1187 lasttime = ev.xmotion.time;
1189 nx = ocx + (ev.xmotion.x - x);
1190 ny = ocy + (ev.xmotion.y - y);
1191 if (abs(selmon->wx - nx) < snap)
1193 else if (abs((selmon->wx + selmon->ww) - (nx + WIDTH(c))) < snap)
1194 nx = selmon->wx + selmon->ww - WIDTH(c);
1195 if (abs(selmon->wy - ny) < snap)
1197 else if (abs((selmon->wy + selmon->wh) - (ny + HEIGHT(c))) < snap)
1198 ny = selmon->wy + selmon->wh - HEIGHT(c);
1199 if (!c->isfloating && selmon->lt[selmon->sellt]->arrange
1200 && (abs(nx - c->x) > snap || abs(ny - c->y) > snap))
1201 togglefloating(NULL);
1202 if (!selmon->lt[selmon->sellt]->arrange || c->isfloating)
1203 resize(c, nx, ny, c->w, c->h, 1);
1206 } while (ev.type != ButtonRelease);
1207 XUngrabPointer(dpy, CurrentTime);
1208 if ((m = recttomon(c->x, c->y, c->w, c->h)) != selmon) {
1216 nexttiled(Client *c)
1218 for (; c && (c->isfloating || !ISVISIBLE(c)); c = c->next);
1232 propertynotify(XEvent *e)
1236 XPropertyEvent *ev = &e->xproperty;
1238 if ((ev->window == root) && (ev->atom == XA_WM_NAME))
1240 else if (ev->state == PropertyDelete)
1241 return; /* ignore */
1242 else if ((c = wintoclient(ev->window))) {
1245 case XA_WM_TRANSIENT_FOR:
1246 if (!c->isfloating && (XGetTransientForHint(dpy, c->win, &trans)) &&
1247 (c->isfloating = (wintoclient(trans)) != NULL))
1250 case XA_WM_NORMAL_HINTS:
1258 if (ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
1260 if (c == c->mon->sel)
1263 if (ev->atom == netatom[NetWMWindowType])
1264 updatewindowtype(c);
1269 quit(const Arg *arg)
1275 recttomon(int x, int y, int w, int h)
1277 Monitor *m, *r = selmon;
1280 for (m = mons; m; m = m->next)
1281 if ((a = INTERSECT(x, y, w, h, m)) > area) {
1289 resize(Client *c, int x, int y, int w, int h, int interact)
1291 if (applysizehints(c, &x, &y, &w, &h, interact))
1292 resizeclient(c, x, y, w, h);
1296 resizeclient(Client *c, int x, int y, int w, int h)
1300 c->oldx = c->x; c->x = wc.x = x;
1301 c->oldy = c->y; c->y = wc.y = y;
1302 c->oldw = c->w; c->w = wc.width = w;
1303 c->oldh = c->h; c->h = wc.height = h;
1304 wc.border_width = c->bw;
1305 XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);
1311 resizemouse(const Arg *arg)
1313 int ocx, ocy, nw, nh;
1319 if (!(c = selmon->sel))
1321 if (c->isfullscreen) /* no support resizing fullscreen windows by mouse */
1326 if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
1327 None, cursor[CurResize]->cursor, CurrentTime) != GrabSuccess)
1329 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
1331 XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
1333 case ConfigureRequest:
1336 handler[ev.type](&ev);
1339 if ((ev.xmotion.time - lasttime) <= (1000 / 60))
1341 lasttime = ev.xmotion.time;
1343 nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1);
1344 nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1);
1345 if (c->mon->wx + nw >= selmon->wx && c->mon->wx + nw <= selmon->wx + selmon->ww
1346 && c->mon->wy + nh >= selmon->wy && c->mon->wy + nh <= selmon->wy + selmon->wh)
1348 if (!c->isfloating && selmon->lt[selmon->sellt]->arrange
1349 && (abs(nw - c->w) > snap || abs(nh - c->h) > snap))
1350 togglefloating(NULL);
1352 if (!selmon->lt[selmon->sellt]->arrange || c->isfloating)
1353 resize(c, c->x, c->y, nw, nh, 1);
1356 } while (ev.type != ButtonRelease);
1357 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
1358 XUngrabPointer(dpy, CurrentTime);
1359 while (XCheckMaskEvent(dpy, EnterWindowMask, &ev));
1360 if ((m = recttomon(c->x, c->y, c->w, c->h)) != selmon) {
1377 if (m->sel->isfloating || !m->lt[m->sellt]->arrange)
1378 XRaiseWindow(dpy, m->sel->win);
1379 if (m->lt[m->sellt]->arrange) {
1380 wc.stack_mode = Below;
1381 wc.sibling = m->barwin;
1382 for (c = m->stack; c; c = c->snext)
1383 if (!c->isfloating && ISVISIBLE(c)) {
1384 XConfigureWindow(dpy, c->win, CWSibling|CWStackMode, &wc);
1385 wc.sibling = c->win;
1389 while (XCheckMaskEvent(dpy, EnterWindowMask, &ev));
1396 /* main event loop */
1398 while (running && !XNextEvent(dpy, &ev))
1399 if (handler[ev.type])
1400 handler[ev.type](&ev); /* call handler */
1406 unsigned int i, num;
1407 Window d1, d2, *wins = NULL;
1408 XWindowAttributes wa;
1410 if (XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
1411 for (i = 0; i < num; i++) {
1412 if (!XGetWindowAttributes(dpy, wins[i], &wa)
1413 || wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
1415 if (wa.map_state == IsViewable || getstate(wins[i]) == IconicState)
1416 manage(wins[i], &wa);
1418 for (i = 0; i < num; i++) { /* now the transients */
1419 if (!XGetWindowAttributes(dpy, wins[i], &wa))
1421 if (XGetTransientForHint(dpy, wins[i], &d1)
1422 && (wa.map_state == IsViewable || getstate(wins[i]) == IconicState))
1423 manage(wins[i], &wa);
1431 sendmon(Client *c, Monitor *m)
1439 c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */
1447 setclientstate(Client *c, long state)
1449 long data[] = { state, None };
1451 XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
1452 PropModeReplace, (unsigned char *)data, 2);
1456 sendevent(Client *c, Atom proto)
1463 if (XGetWMProtocols(dpy, c->win, &protocols, &n)) {
1464 while (!exists && n--)
1465 exists = protocols[n] == proto;
1469 ev.type = ClientMessage;
1470 ev.xclient.window = c->win;
1471 ev.xclient.message_type = wmatom[WMProtocols];
1472 ev.xclient.format = 32;
1473 ev.xclient.data.l[0] = proto;
1474 ev.xclient.data.l[1] = CurrentTime;
1475 XSendEvent(dpy, c->win, False, NoEventMask, &ev);
1483 if (!c->neverfocus) {
1484 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
1485 XChangeProperty(dpy, root, netatom[NetActiveWindow],
1486 XA_WINDOW, 32, PropModeReplace,
1487 (unsigned char *) &(c->win), 1);
1489 sendevent(c, wmatom[WMTakeFocus]);
1493 setfullscreen(Client *c, int fullscreen)
1495 if (fullscreen && !c->isfullscreen) {
1496 XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32,
1497 PropModeReplace, (unsigned char*)&netatom[NetWMFullscreen], 1);
1498 c->isfullscreen = 1;
1499 c->oldstate = c->isfloating;
1503 resizeclient(c, c->mon->mx, c->mon->my, c->mon->mw, c->mon->mh);
1504 XRaiseWindow(dpy, c->win);
1505 } else if (!fullscreen && c->isfullscreen){
1506 XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32,
1507 PropModeReplace, (unsigned char*)0, 0);
1508 c->isfullscreen = 0;
1509 c->isfloating = c->oldstate;
1515 resizeclient(c, c->x, c->y, c->w, c->h);
1521 setgaps(const Arg *arg)
1523 if ((arg->i == 0) || (selmon->gappx + arg->i < 0))
1526 selmon->gappx += arg->i;
1531 setlayout(const Arg *arg)
1533 if (!arg || !arg->v || arg->v != selmon->lt[selmon->sellt])
1536 selmon->lt[selmon->sellt] = (Layout *)arg->v;
1537 strncpy(selmon->ltsymbol, selmon->lt[selmon->sellt]->symbol, sizeof selmon->ltsymbol);
1544 /* arg > 1.0 will set mfact absolutely */
1546 setmfact(const Arg *arg)
1550 if (!arg || !selmon->lt[selmon->sellt]->arrange)
1552 f = arg->f < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0;
1553 if (f < 0.05 || f > 0.95)
1563 XSetWindowAttributes wa;
1566 /* clean up any zombies immediately */
1570 screen = DefaultScreen(dpy);
1571 sw = DisplayWidth(dpy, screen);
1572 sh = DisplayHeight(dpy, screen);
1573 root = RootWindow(dpy, screen);
1574 drw = drw_create(dpy, screen, root, sw, sh);
1575 if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
1576 die("no fonts could be loaded.");
1577 lrpad = drw->fonts->h;
1578 bh = drw->fonts->h + 2;
1581 utf8string = XInternAtom(dpy, "UTF8_STRING", False);
1582 wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
1583 wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
1584 wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False);
1585 wmatom[WMTakeFocus] = XInternAtom(dpy, "WM_TAKE_FOCUS", False);
1586 netatom[NetActiveWindow] = XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False);
1587 netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
1588 netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
1589 netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False);
1590 netatom[NetWMCheck] = XInternAtom(dpy, "_NET_SUPPORTING_WM_CHECK", False);
1591 netatom[NetWMFullscreen] = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False);
1592 netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
1593 netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False);
1594 netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False);
1596 cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr);
1597 cursor[CurResize] = drw_cur_create(drw, XC_sizing);
1598 cursor[CurMove] = drw_cur_create(drw, XC_fleur);
1599 /* init appearance */
1600 scheme = ecalloc(LENGTH(colors), sizeof(Clr *));
1601 for (i = 0; i < LENGTH(colors); i++)
1602 scheme[i] = drw_scm_create(drw, colors[i], 3);
1606 /* supporting window for NetWMCheck */
1607 wmcheckwin = XCreateSimpleWindow(dpy, root, 0, 0, 1, 1, 0, 0, 0);
1608 XChangeProperty(dpy, wmcheckwin, netatom[NetWMCheck], XA_WINDOW, 32,
1609 PropModeReplace, (unsigned char *) &wmcheckwin, 1);
1610 XChangeProperty(dpy, wmcheckwin, netatom[NetWMName], utf8string, 8,
1611 PropModeReplace, (unsigned char *) "dwm", 3);
1612 XChangeProperty(dpy, root, netatom[NetWMCheck], XA_WINDOW, 32,
1613 PropModeReplace, (unsigned char *) &wmcheckwin, 1);
1614 /* EWMH support per view */
1615 XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
1616 PropModeReplace, (unsigned char *) netatom, NetLast);
1617 XDeleteProperty(dpy, root, netatom[NetClientList]);
1619 wa.cursor = cursor[CurNormal]->cursor;
1620 wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask
1621 |ButtonPressMask|PointerMotionMask|EnterWindowMask
1622 |LeaveWindowMask|StructureNotifyMask|PropertyChangeMask;
1623 XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa);
1624 XSelectInput(dpy, root, wa.event_mask);
1631 seturgent(Client *c, int urg)
1636 if (!(wmh = XGetWMHints(dpy, c->win)))
1638 wmh->flags = urg ? (wmh->flags | XUrgencyHint) : (wmh->flags & ~XUrgencyHint);
1639 XSetWMHints(dpy, c->win, wmh);
1649 /* show clients top down */
1650 XMoveWindow(dpy, c->win, c->x, c->y);
1651 if ((!c->mon->lt[c->mon->sellt]->arrange || c->isfloating) && !c->isfullscreen)
1652 resize(c, c->x, c->y, c->w, c->h, 0);
1655 /* hide clients bottom up */
1657 XMoveWindow(dpy, c->win, WIDTH(c) * -2, c->y);
1664 if (signal(SIGCHLD, sigchld) == SIG_ERR)
1665 die("can't install SIGCHLD handler:");
1666 while (0 < waitpid(-1, NULL, WNOHANG));
1670 spawn(const Arg *arg)
1672 if (arg->v == dmenucmd)
1673 dmenumon[0] = '0' + selmon->num;
1676 close(ConnectionNumber(dpy));
1678 execvp(((char **)arg->v)[0], (char **)arg->v);
1679 fprintf(stderr, "dwm: execvp %s", ((char **)arg->v)[0]);
1688 if (selmon->sel && arg->ui & TAGMASK) {
1689 selmon->sel->tags = arg->ui & TAGMASK;
1696 tagmon(const Arg *arg)
1698 if (!selmon->sel || !mons->next)
1700 sendmon(selmon->sel, dirtomon(arg->i));
1706 unsigned int i, n, h, mw, my, ty;
1709 for (n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++);
1714 mw = m->nmaster ? m->ww * m->mfact : 0;
1716 mw = m->ww - m->gappx;
1717 for (i = 0, my = ty = m->gappx, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++)
1718 if (i < m->nmaster) {
1719 h = (m->wh - my) / (MIN(n, m->nmaster) - i) - m->gappx;
1720 resize(c, m->wx + m->gappx, m->wy + my, mw - (2*c->bw) - m->gappx, h - (2*c->bw), 0);
1721 if (my + HEIGHT(c) + m->gappx < m->wh)
1722 my += HEIGHT(c) + m->gappx;
1724 h = (m->wh - ty) / (n - i) - m->gappx;
1725 resize(c, m->wx + mw + m->gappx, m->wy + ty, m->ww - mw - (2*c->bw) - 2*m->gappx, h - (2*c->bw), 0);
1726 if (ty + HEIGHT(c) + m->gappx < m->wh)
1727 ty += HEIGHT(c) + m->gappx;
1732 togglebar(const Arg *arg)
1734 selmon->showbar = !selmon->showbar;
1735 updatebarpos(selmon);
1736 XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh);
1741 togglefloating(const Arg *arg)
1745 if (selmon->sel->isfullscreen) /* no support for fullscreen windows */
1747 selmon->sel->isfloating = !selmon->sel->isfloating || selmon->sel->isfixed;
1748 if (selmon->sel->isfloating)
1749 resize(selmon->sel, selmon->sel->x, selmon->sel->y,
1750 selmon->sel->w, selmon->sel->h, 0);
1755 toggletag(const Arg *arg)
1757 unsigned int newtags;
1761 newtags = selmon->sel->tags ^ (arg->ui & TAGMASK);
1763 selmon->sel->tags = newtags;
1770 toggleview(const Arg *arg)
1772 unsigned int newtagset = selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK);
1775 selmon->tagset[selmon->seltags] = newtagset;
1782 unfocus(Client *c, int setfocus)
1787 XSetWindowBorder(dpy, c->win, scheme[SchemeNorm][ColBorder].pixel);
1789 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
1790 XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
1795 unmanage(Client *c, int destroyed)
1797 Monitor *m = c->mon;
1803 wc.border_width = c->oldbw;
1804 XGrabServer(dpy); /* avoid race conditions */
1805 XSetErrorHandler(xerrordummy);
1806 XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */
1807 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
1808 setclientstate(c, WithdrawnState);
1810 XSetErrorHandler(xerror);
1820 unmapnotify(XEvent *e)
1823 XUnmapEvent *ev = &e->xunmap;
1825 if ((c = wintoclient(ev->window))) {
1827 setclientstate(c, WithdrawnState);
1837 XSetWindowAttributes wa = {
1838 .override_redirect = True,
1839 .background_pixmap = ParentRelative,
1840 .event_mask = ButtonPressMask|ExposureMask
1842 XClassHint ch = {"dwm", "dwm"};
1843 for (m = mons; m; m = m->next) {
1846 m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen),
1847 CopyFromParent, DefaultVisual(dpy, screen),
1848 CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
1849 XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor);
1850 XMapRaised(dpy, m->barwin);
1851 XSetClassHint(dpy, m->barwin, &ch);
1856 updatebarpos(Monitor *m)
1862 m->by = m->topbar ? m->wy : m->wy + m->wh;
1863 m->wy = m->topbar ? m->wy + bh : m->wy;
1874 XDeleteProperty(dpy, root, netatom[NetClientList]);
1875 for (m = mons; m; m = m->next)
1876 for (c = m->clients; c; c = c->next)
1877 XChangeProperty(dpy, root, netatom[NetClientList],
1878 XA_WINDOW, 32, PropModeAppend,
1879 (unsigned char *) &(c->win), 1);
1888 if (XineramaIsActive(dpy)) {
1892 XineramaScreenInfo *info = XineramaQueryScreens(dpy, &nn);
1893 XineramaScreenInfo *unique = NULL;
1895 for (n = 0, m = mons; m; m = m->next, n++);
1896 /* only consider unique geometries as separate screens */
1897 unique = ecalloc(nn, sizeof(XineramaScreenInfo));
1898 for (i = 0, j = 0; i < nn; i++)
1899 if (isuniquegeom(unique, j, &info[i]))
1900 memcpy(&unique[j++], &info[i], sizeof(XineramaScreenInfo));
1903 if (n <= nn) { /* new monitors available */
1904 for (i = 0; i < (nn - n); i++) {
1905 for (m = mons; m && m->next; m = m->next);
1907 m->next = createmon();
1911 for (i = 0, m = mons; i < nn && m; m = m->next, i++)
1913 || unique[i].x_org != m->mx || unique[i].y_org != m->my
1914 || unique[i].width != m->mw || unique[i].height != m->mh)
1918 m->mx = m->wx = unique[i].x_org;
1919 m->my = m->wy = unique[i].y_org;
1920 m->mw = m->ww = unique[i].width;
1921 m->mh = m->wh = unique[i].height;
1924 } else { /* less monitors available nn < n */
1925 for (i = nn; i < n; i++) {
1926 for (m = mons; m && m->next; m = m->next);
1927 while ((c = m->clients)) {
1929 m->clients = c->next;
1942 #endif /* XINERAMA */
1943 { /* default monitor setup */
1946 if (mons->mw != sw || mons->mh != sh) {
1948 mons->mw = mons->ww = sw;
1949 mons->mh = mons->wh = sh;
1955 selmon = wintomon(root);
1961 updatenumlockmask(void)
1964 XModifierKeymap *modmap;
1967 modmap = XGetModifierMapping(dpy);
1968 for (i = 0; i < 8; i++)
1969 for (j = 0; j < modmap->max_keypermod; j++)
1970 if (modmap->modifiermap[i * modmap->max_keypermod + j]
1971 == XKeysymToKeycode(dpy, XK_Num_Lock))
1972 numlockmask = (1 << i);
1973 XFreeModifiermap(modmap);
1977 updatesizehints(Client *c)
1982 if (!XGetWMNormalHints(dpy, c->win, &size, &msize))
1983 /* size is uninitialized, ensure that size.flags aren't used */
1985 if (size.flags & PBaseSize) {
1986 c->basew = size.base_width;
1987 c->baseh = size.base_height;
1988 } else if (size.flags & PMinSize) {
1989 c->basew = size.min_width;
1990 c->baseh = size.min_height;
1992 c->basew = c->baseh = 0;
1993 if (size.flags & PResizeInc) {
1994 c->incw = size.width_inc;
1995 c->inch = size.height_inc;
1997 c->incw = c->inch = 0;
1998 if (size.flags & PMaxSize) {
1999 c->maxw = size.max_width;
2000 c->maxh = size.max_height;
2002 c->maxw = c->maxh = 0;
2003 if (size.flags & PMinSize) {
2004 c->minw = size.min_width;
2005 c->minh = size.min_height;
2006 } else if (size.flags & PBaseSize) {
2007 c->minw = size.base_width;
2008 c->minh = size.base_height;
2010 c->minw = c->minh = 0;
2011 if (size.flags & PAspect) {
2012 c->mina = (float)size.min_aspect.y / size.min_aspect.x;
2013 c->maxa = (float)size.max_aspect.x / size.max_aspect.y;
2015 c->maxa = c->mina = 0.0;
2016 c->isfixed = (c->maxw && c->maxh && c->maxw == c->minw && c->maxh == c->minh);
2022 if (!gettextprop(root, XA_WM_NAME, stext, sizeof(stext)))
2023 strcpy(stext, "dwm-"VERSION);
2028 updatetitle(Client *c)
2030 if (!gettextprop(c->win, netatom[NetWMName], c->name, sizeof c->name))
2031 gettextprop(c->win, XA_WM_NAME, c->name, sizeof c->name);
2032 if (c->name[0] == '\0') /* hack to mark broken clients */
2033 strcpy(c->name, broken);
2037 updatewindowtype(Client *c)
2039 Atom state = getatomprop(c, netatom[NetWMState]);
2040 Atom wtype = getatomprop(c, netatom[NetWMWindowType]);
2042 if (state == netatom[NetWMFullscreen])
2043 setfullscreen(c, 1);
2044 if (wtype == netatom[NetWMWindowTypeDialog])
2049 updatewmhints(Client *c)
2053 if ((wmh = XGetWMHints(dpy, c->win))) {
2054 if (c == selmon->sel && wmh->flags & XUrgencyHint) {
2055 wmh->flags &= ~XUrgencyHint;
2056 XSetWMHints(dpy, c->win, wmh);
2058 c->isurgent = (wmh->flags & XUrgencyHint) ? 1 : 0;
2059 if (wmh->flags & InputHint)
2060 c->neverfocus = !wmh->input;
2068 view(const Arg *arg)
2070 if ((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])
2072 selmon->seltags ^= 1; /* toggle sel tagset */
2073 if (arg->ui & TAGMASK)
2074 selmon->tagset[selmon->seltags] = arg->ui & TAGMASK;
2080 wintoclient(Window w)
2085 for (m = mons; m; m = m->next)
2086 for (c = m->clients; c; c = c->next)
2099 if (w == root && getrootptr(&x, &y))
2100 return recttomon(x, y, 1, 1);
2101 for (m = mons; m; m = m->next)
2104 if ((c = wintoclient(w)))
2109 /* There's no way to check accesses to destroyed windows, thus those cases are
2110 * ignored (especially on UnmapNotify's). Other types of errors call Xlibs
2111 * default error handler, which may call exit. */
2113 xerror(Display *dpy, XErrorEvent *ee)
2115 if (ee->error_code == BadWindow
2116 || (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch)
2117 || (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable)
2118 || (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable)
2119 || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable)
2120 || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch)
2121 || (ee->request_code == X_GrabButton && ee->error_code == BadAccess)
2122 || (ee->request_code == X_GrabKey && ee->error_code == BadAccess)
2123 || (ee->request_code == X_CopyArea && ee->error_code == BadDrawable))
2125 fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",
2126 ee->request_code, ee->error_code);
2127 return xerrorxlib(dpy, ee); /* may call exit */
2131 xerrordummy(Display *dpy, XErrorEvent *ee)
2136 /* Startup Error handler to check if another window manager
2137 * is already running. */
2139 xerrorstart(Display *dpy, XErrorEvent *ee)
2141 die("dwm: another window manager is already running");
2146 zoom(const Arg *arg)
2148 Client *c = selmon->sel;
2150 if (!selmon->lt[selmon->sellt]->arrange
2151 || (selmon->sel && selmon->sel->isfloating))
2153 if (c == nexttiled(selmon->clients))
2154 if (!c || !(c = nexttiled(c->next)))
2160 resource_load(XrmDatabase db, char *name, enum resource_type rtype, void *dst)
2174 snprintf(fullname, sizeof(fullname), "%s.%s", "dwm", name);
2175 fullname[sizeof(fullname) - 1] = '\0';
2177 XrmGetResource(db, fullname, "*", &type, &ret);
2178 if (!(ret.addr == NULL || strncmp("String", type, 64)))
2182 strcpy(sdst, ret.addr);
2185 *idst = strtoul(ret.addr, NULL, 10);
2188 *fdst = strtof(ret.addr, NULL);
2195 load_xresources(void)
2202 display = XOpenDisplay(NULL);
2203 resm = XResourceManagerString(display);
2207 db = XrmGetStringDatabase(resm);
2208 for (p = resources; p < resources + LENGTH(resources); p++)
2209 resource_load(db, p->name, p->type, p->dst);
2210 XCloseDisplay(display);
2214 main(int argc, char *argv[])
2216 if (argc == 2 && !strcmp("-v", argv[1]))
2219 die("usage: dwm [-v]");
2220 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
2221 fputs("warning: no locale support\n", stderr);
2222 if (!(dpy = XOpenDisplay(NULL)))
2223 die("dwm: cannot open display");
2229 if (pledge("stdio rpath proc exec", NULL) == -1)
2231 #endif /* __OpenBSD__ */
2236 return EXIT_SUCCESS;