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>
40 #include <X11/extensions/Xinerama.h>
42 #include <X11/Xft/Xft.h>
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 LENGTH(X) (sizeof X / sizeof X[0])
54 #define MOUSEMASK (BUTTONMASK|PointerMotionMask)
55 #define WIDTH(X) ((X)->w + 2 * (X)->bw)
56 #define HEIGHT(X) ((X)->h + 2 * (X)->bw)
57 #define TAGMASK ((1 << LENGTH(tags)) - 1)
58 #define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
61 enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
62 enum { SchemeNorm, SchemeSel }; /* color schemes */
63 enum { NetSupported, NetWMName, NetWMState, NetWMCheck,
64 NetWMFullscreen, NetActiveWindow, NetWMWindowType,
65 NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
66 enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */
67 enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
68 ClkClientWin, ClkRootWin, ClkLast }; /* clicks */
81 void (*func)(const Arg *arg);
85 typedef struct Monitor Monitor;
86 typedef struct Client Client;
91 int oldx, oldy, oldw, oldh;
92 int basew, baseh, incw, inch, maxw, maxh, minw, minh;
95 int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen;
105 void (*func)(const Arg *);
111 void (*arrange)(Monitor *);
119 int by; /* bar geometry */
120 int mx, my, mw, mh; /* screen size */
121 int wx, wy, ww, wh; /* window area */
122 unsigned int seltags;
124 unsigned int tagset[2];
137 const char *instance;
144 /* function declarations */
145 static void applyrules(Client *c);
146 static int applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact);
147 static void arrange(Monitor *m);
148 static void arrangemon(Monitor *m);
149 static void attach(Client *c);
150 static void attachstack(Client *c);
151 static void buttonpress(XEvent *e);
152 static void checkotherwm(void);
153 static void cleanup(void);
154 static void cleanupmon(Monitor *mon);
155 static void clientmessage(XEvent *e);
156 static void configure(Client *c);
157 static void configurenotify(XEvent *e);
158 static void configurerequest(XEvent *e);
159 static Monitor *createmon(void);
160 static void destroynotify(XEvent *e);
161 static void detach(Client *c);
162 static void detachstack(Client *c);
163 static Monitor *dirtomon(int dir);
164 static void drawbar(Monitor *m);
165 static void drawbars(void);
166 static void enternotify(XEvent *e);
167 static void expose(XEvent *e);
168 static void focus(Client *c);
169 static void focusin(XEvent *e);
170 static void focusmon(const Arg *arg);
171 static void focusstack(const Arg *arg);
172 static int getrootptr(int *x, int *y);
173 static long getstate(Window w);
174 static int gettextprop(Window w, Atom atom, char *text, unsigned int size);
175 static void grabbuttons(Client *c, int focused);
176 static void grabkeys(void);
177 static void incnmaster(const Arg *arg);
178 static void keypress(XEvent *e);
179 static void killclient(const Arg *arg);
180 static void manage(Window w, XWindowAttributes *wa);
181 static void mappingnotify(XEvent *e);
182 static void maprequest(XEvent *e);
183 static void monocle(Monitor *m);
184 static void motionnotify(XEvent *e);
185 static void movemouse(const Arg *arg);
186 static Client *nexttiled(Client *c);
187 static void pop(Client *);
188 static void propertynotify(XEvent *e);
189 static void quit(const Arg *arg);
190 static Monitor *recttomon(int x, int y, int w, int h);
191 static void resize(Client *c, int x, int y, int w, int h, int interact);
192 static void resizeclient(Client *c, int x, int y, int w, int h);
193 static void resizemouse(const Arg *arg);
194 static void restack(Monitor *m);
195 static void run(void);
196 static void scan(void);
197 static int sendevent(Client *c, Atom proto);
198 static void sendmon(Client *c, Monitor *m);
199 static void setclientstate(Client *c, long state);
200 static void setfocus(Client *c);
201 static void setfullscreen(Client *c, int fullscreen);
202 static void setlayout(const Arg *arg);
203 static void setmfact(const Arg *arg);
204 static void setup(void);
205 static void seturgent(Client *c, int urg);
206 static void showhide(Client *c);
207 static void sigchld(int unused);
208 static void spawn(const Arg *arg);
209 static void tag(const Arg *arg);
210 static void tagmon(const Arg *arg);
211 static void tile(Monitor *);
212 static void togglebar(const Arg *arg);
213 static void togglefloating(const Arg *arg);
214 static void toggletag(const Arg *arg);
215 static void toggleview(const Arg *arg);
216 static void unfocus(Client *c, int setfocus);
217 static void unmanage(Client *c, int destroyed);
218 static void unmapnotify(XEvent *e);
219 static void updatebarpos(Monitor *m);
220 static void updatebars(void);
221 static void updateclientlist(void);
222 static int updategeom(void);
223 static void updatenumlockmask(void);
224 static void updatesizehints(Client *c);
225 static void updatestatus(void);
226 static void updatetitle(Client *c);
227 static void updatewindowtype(Client *c);
228 static void updatewmhints(Client *c);
229 static void view(const Arg *arg);
230 static Client *wintoclient(Window w);
231 static Monitor *wintomon(Window w);
232 static int xerror(Display *dpy, XErrorEvent *ee);
233 static int xerrordummy(Display *dpy, XErrorEvent *ee);
234 static int xerrorstart(Display *dpy, XErrorEvent *ee);
235 static void zoom(const Arg *arg);
238 static const char broken[] = "broken";
239 static char stext[256];
241 static int sw, sh; /* X display screen geometry width, height */
242 static int bh, blw = 0; /* bar geometry */
243 static int lrpad; /* sum of left and right padding for text */
244 static int (*xerrorxlib)(Display *, XErrorEvent *);
245 static unsigned int numlockmask = 0;
246 static void (*handler[LASTEvent]) (XEvent *) = {
247 [ButtonPress] = buttonpress,
248 [ClientMessage] = clientmessage,
249 [ConfigureRequest] = configurerequest,
250 [ConfigureNotify] = configurenotify,
251 [DestroyNotify] = destroynotify,
252 [EnterNotify] = enternotify,
255 [KeyPress] = keypress,
256 [MappingNotify] = mappingnotify,
257 [MapRequest] = maprequest,
258 [MotionNotify] = motionnotify,
259 [PropertyNotify] = propertynotify,
260 [UnmapNotify] = unmapnotify
262 static Atom wmatom[WMLast], netatom[NetLast];
263 static int running = 1;
264 static Cur *cursor[CurLast];
268 static Monitor *mons, *selmon;
269 static Window root, wmcheckwin;
271 /* configuration, allows nested code to access above variables */
274 /* compile-time check if all tags fit into an unsigned int bit array. */
275 struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; };
277 /* function implementations */
279 applyrules(Client *c)
281 const char *class, *instance;
285 XClassHint ch = { NULL, NULL };
290 XGetClassHint(dpy, c->win, &ch);
291 class = ch.res_class ? ch.res_class : broken;
292 instance = ch.res_name ? ch.res_name : broken;
294 for (i = 0; i < LENGTH(rules); i++) {
296 if ((!r->title || strstr(c->name, r->title))
297 && (!r->class || strstr(class, r->class))
298 && (!r->instance || strstr(instance, r->instance)))
300 c->isfloating = r->isfloating;
302 for (m = mons; m && m->num != r->monitor; m = m->next);
311 c->tags = c->tags & TAGMASK ? c->tags & TAGMASK : c->mon->tagset[c->mon->seltags];
315 applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact)
320 /* set minimum possible */
328 if (*x + *w + 2 * c->bw < 0)
330 if (*y + *h + 2 * c->bw < 0)
333 if (*x >= m->wx + m->ww)
334 *x = m->wx + m->ww - WIDTH(c);
335 if (*y >= m->wy + m->wh)
336 *y = m->wy + m->wh - HEIGHT(c);
337 if (*x + *w + 2 * c->bw <= m->wx)
339 if (*y + *h + 2 * c->bw <= m->wy)
346 if (resizehints || c->isfloating || !c->mon->lt[c->mon->sellt]->arrange) {
347 /* see last two sentences in ICCCM 4.1.2.3 */
348 baseismin = c->basew == c->minw && c->baseh == c->minh;
349 if (!baseismin) { /* temporarily remove base dimensions */
353 /* adjust for aspect limits */
354 if (c->mina > 0 && c->maxa > 0) {
355 if (c->maxa < (float)*w / *h)
356 *w = *h * c->maxa + 0.5;
357 else if (c->mina < (float)*h / *w)
358 *h = *w * c->mina + 0.5;
360 if (baseismin) { /* increment calculation requires this */
364 /* adjust for increment value */
369 /* restore base dimensions */
370 *w = MAX(*w + c->basew, c->minw);
371 *h = MAX(*h + c->baseh, c->minh);
373 *w = MIN(*w, c->maxw);
375 *h = MIN(*h, c->maxh);
377 return *x != c->x || *y != c->y || *w != c->w || *h != c->h;
385 else for (m = mons; m; m = m->next)
390 } else for (m = mons; m; m = m->next)
395 arrangemon(Monitor *m)
397 strncpy(m->ltsymbol, m->lt[m->sellt]->symbol, sizeof m->ltsymbol);
398 if (m->lt[m->sellt]->arrange)
399 m->lt[m->sellt]->arrange(m);
405 c->next = c->mon->clients;
410 attachstack(Client *c)
412 c->snext = c->mon->stack;
417 buttonpress(XEvent *e)
419 unsigned int i, x, click;
423 XButtonPressedEvent *ev = &e->xbutton;
426 /* focus monitor if necessary */
427 if ((m = wintomon(ev->window)) && m != selmon) {
428 unfocus(selmon->sel, 1);
432 if (ev->window == selmon->barwin) {
436 while (ev->x >= x && ++i < LENGTH(tags));
437 if (i < LENGTH(tags)) {
440 } else if (ev->x < x + blw)
442 else if (ev->x > selmon->ww - TEXTW(stext))
443 click = ClkStatusText;
446 } else if ((c = wintoclient(ev->window))) {
449 XAllowEvents(dpy, ReplayPointer, CurrentTime);
450 click = ClkClientWin;
452 for (i = 0; i < LENGTH(buttons); i++)
453 if (click == buttons[i].click && buttons[i].func && buttons[i].button == ev->button
454 && CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
455 buttons[i].func(click == ClkTagBar && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg);
461 xerrorxlib = XSetErrorHandler(xerrorstart);
462 /* this causes an error if some other window manager is running */
463 XSelectInput(dpy, DefaultRootWindow(dpy), SubstructureRedirectMask);
465 XSetErrorHandler(xerror);
473 Layout foo = { "", NULL };
478 selmon->lt[selmon->sellt] = &foo;
479 for (m = mons; m; m = m->next)
481 unmanage(m->stack, 0);
482 XUngrabKey(dpy, AnyKey, AnyModifier, root);
485 for (i = 0; i < CurLast; i++)
486 drw_cur_free(drw, cursor[i]);
487 for (i = 0; i < LENGTH(colors); i++)
489 XDestroyWindow(dpy, wmcheckwin);
492 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
493 XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
497 cleanupmon(Monitor *mon)
504 for (m = mons; m && m->next != mon; m = m->next);
507 XUnmapWindow(dpy, mon->barwin);
508 XDestroyWindow(dpy, mon->barwin);
513 clientmessage(XEvent *e)
515 XClientMessageEvent *cme = &e->xclient;
516 Client *c = wintoclient(cme->window);
520 if (cme->message_type == netatom[NetWMState]) {
521 if (cme->data.l[1] == netatom[NetWMFullscreen]
522 || cme->data.l[2] == netatom[NetWMFullscreen])
523 setfullscreen(c, (cme->data.l[0] == 1 /* _NET_WM_STATE_ADD */
524 || (cme->data.l[0] == 2 /* _NET_WM_STATE_TOGGLE */ && !c->isfullscreen)));
525 } else if (cme->message_type == netatom[NetActiveWindow]) {
526 if (c != selmon->sel && !c->isurgent)
536 ce.type = ConfigureNotify;
544 ce.border_width = c->bw;
546 ce.override_redirect = False;
547 XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce);
551 configurenotify(XEvent *e)
555 XConfigureEvent *ev = &e->xconfigure;
558 /* TODO: updategeom handling sucks, needs to be simplified */
559 if (ev->window == root) {
560 dirty = (sw != ev->width || sh != ev->height);
563 if (updategeom() || dirty) {
564 drw_resize(drw, sw, bh);
566 for (m = mons; m; m = m->next) {
567 for (c = m->clients; c; c = c->next)
569 resizeclient(c, m->mx, m->my, m->mw, m->mh);
570 XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh);
579 configurerequest(XEvent *e)
583 XConfigureRequestEvent *ev = &e->xconfigurerequest;
586 if ((c = wintoclient(ev->window))) {
587 if (ev->value_mask & CWBorderWidth)
588 c->bw = ev->border_width;
589 else if (c->isfloating || !selmon->lt[selmon->sellt]->arrange) {
591 if (ev->value_mask & CWX) {
593 c->x = m->mx + ev->x;
595 if (ev->value_mask & CWY) {
597 c->y = m->my + ev->y;
599 if (ev->value_mask & CWWidth) {
603 if (ev->value_mask & CWHeight) {
607 if ((c->x + c->w) > m->mx + m->mw && c->isfloating)
608 c->x = m->mx + (m->mw / 2 - WIDTH(c) / 2); /* center in x direction */
609 if ((c->y + c->h) > m->my + m->mh && c->isfloating)
610 c->y = m->my + (m->mh / 2 - HEIGHT(c) / 2); /* center in y direction */
611 if ((ev->value_mask & (CWX|CWY)) && !(ev->value_mask & (CWWidth|CWHeight)))
614 XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
620 wc.width = ev->width;
621 wc.height = ev->height;
622 wc.border_width = ev->border_width;
623 wc.sibling = ev->above;
624 wc.stack_mode = ev->detail;
625 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
635 m = ecalloc(1, sizeof(Monitor));
636 m->tagset[0] = m->tagset[1] = 1;
638 m->nmaster = nmaster;
639 m->showbar = showbar;
641 m->lt[0] = &layouts[0];
642 m->lt[1] = &layouts[1 % LENGTH(layouts)];
643 strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol);
648 destroynotify(XEvent *e)
651 XDestroyWindowEvent *ev = &e->xdestroywindow;
653 if ((c = wintoclient(ev->window)))
662 for (tc = &c->mon->clients; *tc && *tc != c; tc = &(*tc)->next);
667 detachstack(Client *c)
671 for (tc = &c->mon->stack; *tc && *tc != c; tc = &(*tc)->snext);
674 if (c == c->mon->sel) {
675 for (t = c->mon->stack; t && !ISVISIBLE(t); t = t->snext);
686 if (!(m = selmon->next))
688 } else if (selmon == mons)
689 for (m = mons; m->next; m = m->next);
691 for (m = mons; m->next != selmon; m = m->next);
699 int boxs = drw->fonts->h / 9;
700 int boxw = drw->fonts->h / 6 + 2;
701 unsigned int i, occ = 0, urg = 0;
704 /* draw status first so it can be overdrawn by tags later */
705 if (m == selmon) { /* status is only drawn on selected monitor */
706 drw_setscheme(drw, scheme[SchemeNorm]);
707 sw = TEXTW(stext) - lrpad + 2; /* 2px right padding */
708 drw_text(drw, m->ww - sw, 0, sw, bh, 0, stext, 0);
711 for (c = m->clients; c; c = c->next) {
717 for (i = 0; i < LENGTH(tags); i++) {
719 drw_setscheme(drw, scheme[m->tagset[m->seltags] & 1 << i ? SchemeSel : SchemeNorm]);
720 drw_text(drw, x, 0, w, bh, lrpad / 2, tags[i], urg & 1 << i);
722 drw_rect(drw, x + boxs, boxs, boxw, boxw,
723 m == selmon && selmon->sel && selmon->sel->tags & 1 << i,
727 w = blw = TEXTW(m->ltsymbol);
728 drw_setscheme(drw, scheme[SchemeNorm]);
729 x = drw_text(drw, x, 0, w, bh, lrpad / 2, m->ltsymbol, 0);
731 if ((w = m->ww - sw - x) > bh) {
733 drw_setscheme(drw, scheme[m == selmon ? SchemeSel : SchemeNorm]);
734 drw_text(drw, x, 0, w, bh, lrpad / 2, m->sel->name, 0);
735 if (m->sel->isfloating)
736 drw_rect(drw, x + boxs, boxs, boxw, boxw, m->sel->isfixed, 0);
738 drw_setscheme(drw, scheme[SchemeNorm]);
739 drw_rect(drw, x, 0, w, bh, 1, 1);
742 drw_map(drw, m->barwin, 0, 0, m->ww, bh);
750 for (m = mons; m; m = m->next)
755 enternotify(XEvent *e)
759 XCrossingEvent *ev = &e->xcrossing;
761 if ((ev->mode != NotifyNormal || ev->detail == NotifyInferior) && ev->window != root)
763 c = wintoclient(ev->window);
764 m = c ? c->mon : wintomon(ev->window);
766 unfocus(selmon->sel, 1);
768 } else if (!c || c == selmon->sel)
777 XExposeEvent *ev = &e->xexpose;
779 if (ev->count == 0 && (m = wintomon(ev->window)))
786 if (!c || !ISVISIBLE(c))
787 for (c = selmon->stack; c && !ISVISIBLE(c); c = c->snext);
788 if (selmon->sel && selmon->sel != c)
789 unfocus(selmon->sel, 0);
791 if (c->mon != selmon)
798 XSetWindowBorder(dpy, c->win, scheme[SchemeSel][ColBorder].pixel);
801 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
802 XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
808 /* there are some broken focus acquiring clients needing extra handling */
812 XFocusChangeEvent *ev = &e->xfocus;
814 if (selmon->sel && ev->window != selmon->sel->win)
815 setfocus(selmon->sel);
819 focusmon(const Arg *arg)
825 if ((m = dirtomon(arg->i)) == selmon)
827 unfocus(selmon->sel, 0);
833 focusstack(const Arg *arg)
835 Client *c = NULL, *i;
840 for (c = selmon->sel->next; c && !ISVISIBLE(c); c = c->next);
842 for (c = selmon->clients; c && !ISVISIBLE(c); c = c->next);
844 for (i = selmon->clients; i != selmon->sel; i = i->next)
848 for (; i; i = i->next)
859 getatomprop(Client *c, Atom prop)
863 unsigned char *p = NULL;
864 Atom da, atom = None;
866 if (XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, XA_ATOM,
867 &da, &di, &dl, &dl, &p) == Success && p) {
875 getrootptr(int *x, int *y)
881 return XQueryPointer(dpy, root, &dummy, &dummy, x, y, &di, &di, &dui);
889 unsigned char *p = NULL;
890 unsigned long n, extra;
893 if (XGetWindowProperty(dpy, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState],
894 &real, &format, &n, &extra, (unsigned char **)&p) != Success)
903 gettextprop(Window w, Atom atom, char *text, unsigned int size)
909 if (!text || size == 0)
912 if (!XGetTextProperty(dpy, w, &name, atom) || !name.nitems)
914 if (name.encoding == XA_STRING)
915 strncpy(text, (char *)name.value, size - 1);
917 if (XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success && n > 0 && *list) {
918 strncpy(text, *list, size - 1);
919 XFreeStringList(list);
922 text[size - 1] = '\0';
928 grabbuttons(Client *c, int focused)
933 unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
934 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
936 XGrabButton(dpy, AnyButton, AnyModifier, c->win, False,
937 BUTTONMASK, GrabModeSync, GrabModeSync, None, None);
938 for (i = 0; i < LENGTH(buttons); i++)
939 if (buttons[i].click == ClkClientWin)
940 for (j = 0; j < LENGTH(modifiers); j++)
941 XGrabButton(dpy, buttons[i].button,
942 buttons[i].mask | modifiers[j],
943 c->win, False, BUTTONMASK,
944 GrabModeAsync, GrabModeSync, None, None);
954 unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
957 XUngrabKey(dpy, AnyKey, AnyModifier, root);
958 for (i = 0; i < LENGTH(keys); i++)
959 if ((code = XKeysymToKeycode(dpy, keys[i].keysym)))
960 for (j = 0; j < LENGTH(modifiers); j++)
961 XGrabKey(dpy, code, keys[i].mod | modifiers[j], root,
962 True, GrabModeAsync, GrabModeAsync);
967 incnmaster(const Arg *arg)
969 selmon->nmaster = MAX(selmon->nmaster + arg->i, 0);
975 isuniquegeom(XineramaScreenInfo *unique, size_t n, XineramaScreenInfo *info)
978 if (unique[n].x_org == info->x_org && unique[n].y_org == info->y_org
979 && unique[n].width == info->width && unique[n].height == info->height)
983 #endif /* XINERAMA */
993 keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
994 for (i = 0; i < LENGTH(keys); i++)
995 if (keysym == keys[i].keysym
996 && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
998 keys[i].func(&(keys[i].arg));
1002 killclient(const Arg *arg)
1006 if (!sendevent(selmon->sel, wmatom[WMDelete])) {
1008 XSetErrorHandler(xerrordummy);
1009 XSetCloseDownMode(dpy, DestroyAll);
1010 XKillClient(dpy, selmon->sel->win);
1012 XSetErrorHandler(xerror);
1018 manage(Window w, XWindowAttributes *wa)
1020 Client *c, *t = NULL;
1021 Window trans = None;
1024 c = ecalloc(1, sizeof(Client));
1027 c->x = c->oldx = wa->x;
1028 c->y = c->oldy = wa->y;
1029 c->w = c->oldw = wa->width;
1030 c->h = c->oldh = wa->height;
1031 c->oldbw = wa->border_width;
1034 if (XGetTransientForHint(dpy, w, &trans) && (t = wintoclient(trans))) {
1042 if (c->x + WIDTH(c) > c->mon->mx + c->mon->mw)
1043 c->x = c->mon->mx + c->mon->mw - WIDTH(c);
1044 if (c->y + HEIGHT(c) > c->mon->my + c->mon->mh)
1045 c->y = c->mon->my + c->mon->mh - HEIGHT(c);
1046 c->x = MAX(c->x, c->mon->mx);
1047 /* only fix client y-offset, if the client center might cover the bar */
1048 c->y = MAX(c->y, ((c->mon->by == c->mon->my) && (c->x + (c->w / 2) >= c->mon->wx)
1049 && (c->x + (c->w / 2) < c->mon->wx + c->mon->ww)) ? bh : c->mon->my);
1052 wc.border_width = c->bw;
1053 XConfigureWindow(dpy, w, CWBorderWidth, &wc);
1054 XSetWindowBorder(dpy, w, scheme[SchemeNorm][ColBorder].pixel);
1055 configure(c); /* propagates border_width, if size doesn't change */
1056 updatewindowtype(c);
1059 XSelectInput(dpy, w, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask);
1062 c->isfloating = c->oldstate = trans != None || c->isfixed;
1064 XRaiseWindow(dpy, c->win);
1067 XChangeProperty(dpy, root, netatom[NetClientList], XA_WINDOW, 32, PropModeAppend,
1068 (unsigned char *) &(c->win), 1);
1069 XMoveResizeWindow(dpy, c->win, c->x + 2 * sw, c->y, c->w, c->h); /* some windows require this */
1070 setclientstate(c, NormalState);
1071 if (c->mon == selmon)
1072 unfocus(selmon->sel, 0);
1075 XMapWindow(dpy, c->win);
1080 mappingnotify(XEvent *e)
1082 XMappingEvent *ev = &e->xmapping;
1084 XRefreshKeyboardMapping(ev);
1085 if (ev->request == MappingKeyboard)
1090 maprequest(XEvent *e)
1092 static XWindowAttributes wa;
1093 XMapRequestEvent *ev = &e->xmaprequest;
1095 if (!XGetWindowAttributes(dpy, ev->window, &wa))
1097 if (wa.override_redirect)
1099 if (!wintoclient(ev->window))
1100 manage(ev->window, &wa);
1109 for (c = m->clients; c; c = c->next)
1112 if (n > 0) /* override layout symbol */
1113 snprintf(m->ltsymbol, sizeof m->ltsymbol, "[%d]", n);
1114 for (c = nexttiled(m->clients); c; c = nexttiled(c->next))
1115 resize(c, m->wx, m->wy, m->ww - 2 * c->bw, m->wh - 2 * c->bw, 0);
1119 motionnotify(XEvent *e)
1121 static Monitor *mon = NULL;
1123 XMotionEvent *ev = &e->xmotion;
1125 if (ev->window != root)
1127 if ((m = recttomon(ev->x_root, ev->y_root, 1, 1)) != mon && mon) {
1128 unfocus(selmon->sel, 1);
1136 movemouse(const Arg *arg)
1138 int x, y, ocx, ocy, nx, ny;
1144 if (!(c = selmon->sel))
1146 if (c->isfullscreen) /* no support moving fullscreen windows by mouse */
1151 if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
1152 None, cursor[CurMove]->cursor, CurrentTime) != GrabSuccess)
1154 if (!getrootptr(&x, &y))
1157 XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
1159 case ConfigureRequest:
1162 handler[ev.type](&ev);
1165 if ((ev.xmotion.time - lasttime) <= (1000 / 60))
1167 lasttime = ev.xmotion.time;
1169 nx = ocx + (ev.xmotion.x - x);
1170 ny = ocy + (ev.xmotion.y - y);
1171 if (abs(selmon->wx - nx) < snap)
1173 else if (abs((selmon->wx + selmon->ww) - (nx + WIDTH(c))) < snap)
1174 nx = selmon->wx + selmon->ww - WIDTH(c);
1175 if (abs(selmon->wy - ny) < snap)
1177 else if (abs((selmon->wy + selmon->wh) - (ny + HEIGHT(c))) < snap)
1178 ny = selmon->wy + selmon->wh - HEIGHT(c);
1179 if (!c->isfloating && selmon->lt[selmon->sellt]->arrange
1180 && (abs(nx - c->x) > snap || abs(ny - c->y) > snap))
1181 togglefloating(NULL);
1182 if (!selmon->lt[selmon->sellt]->arrange || c->isfloating)
1183 resize(c, nx, ny, c->w, c->h, 1);
1186 } while (ev.type != ButtonRelease);
1187 XUngrabPointer(dpy, CurrentTime);
1188 if ((m = recttomon(c->x, c->y, c->w, c->h)) != selmon) {
1196 nexttiled(Client *c)
1198 for (; c && (c->isfloating || !ISVISIBLE(c)); c = c->next);
1212 propertynotify(XEvent *e)
1216 XPropertyEvent *ev = &e->xproperty;
1218 if ((ev->window == root) && (ev->atom == XA_WM_NAME))
1220 else if (ev->state == PropertyDelete)
1221 return; /* ignore */
1222 else if ((c = wintoclient(ev->window))) {
1225 case XA_WM_TRANSIENT_FOR:
1226 if (!c->isfloating && (XGetTransientForHint(dpy, c->win, &trans)) &&
1227 (c->isfloating = (wintoclient(trans)) != NULL))
1230 case XA_WM_NORMAL_HINTS:
1238 if (ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
1240 if (c == c->mon->sel)
1243 if (ev->atom == netatom[NetWMWindowType])
1244 updatewindowtype(c);
1249 quit(const Arg *arg)
1255 recttomon(int x, int y, int w, int h)
1257 Monitor *m, *r = selmon;
1260 for (m = mons; m; m = m->next)
1261 if ((a = INTERSECT(x, y, w, h, m)) > area) {
1269 resize(Client *c, int x, int y, int w, int h, int interact)
1271 if (applysizehints(c, &x, &y, &w, &h, interact))
1272 resizeclient(c, x, y, w, h);
1276 resizeclient(Client *c, int x, int y, int w, int h)
1280 c->oldx = c->x; c->x = wc.x = x;
1281 c->oldy = c->y; c->y = wc.y = y;
1282 c->oldw = c->w; c->w = wc.width = w;
1283 c->oldh = c->h; c->h = wc.height = h;
1284 wc.border_width = c->bw;
1285 XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);
1291 resizemouse(const Arg *arg)
1293 int ocx, ocy, nw, nh;
1299 if (!(c = selmon->sel))
1301 if (c->isfullscreen) /* no support resizing fullscreen windows by mouse */
1306 if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
1307 None, cursor[CurResize]->cursor, CurrentTime) != GrabSuccess)
1309 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
1311 XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
1313 case ConfigureRequest:
1316 handler[ev.type](&ev);
1319 if ((ev.xmotion.time - lasttime) <= (1000 / 60))
1321 lasttime = ev.xmotion.time;
1323 nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1);
1324 nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1);
1325 if (c->mon->wx + nw >= selmon->wx && c->mon->wx + nw <= selmon->wx + selmon->ww
1326 && c->mon->wy + nh >= selmon->wy && c->mon->wy + nh <= selmon->wy + selmon->wh)
1328 if (!c->isfloating && selmon->lt[selmon->sellt]->arrange
1329 && (abs(nw - c->w) > snap || abs(nh - c->h) > snap))
1330 togglefloating(NULL);
1332 if (!selmon->lt[selmon->sellt]->arrange || c->isfloating)
1333 resize(c, c->x, c->y, nw, nh, 1);
1336 } while (ev.type != ButtonRelease);
1337 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
1338 XUngrabPointer(dpy, CurrentTime);
1339 while (XCheckMaskEvent(dpy, EnterWindowMask, &ev));
1340 if ((m = recttomon(c->x, c->y, c->w, c->h)) != selmon) {
1357 if (m->sel->isfloating || !m->lt[m->sellt]->arrange)
1358 XRaiseWindow(dpy, m->sel->win);
1359 if (m->lt[m->sellt]->arrange) {
1360 wc.stack_mode = Below;
1361 wc.sibling = m->barwin;
1362 for (c = m->stack; c; c = c->snext)
1363 if (!c->isfloating && ISVISIBLE(c)) {
1364 XConfigureWindow(dpy, c->win, CWSibling|CWStackMode, &wc);
1365 wc.sibling = c->win;
1369 while (XCheckMaskEvent(dpy, EnterWindowMask, &ev));
1376 /* main event loop */
1378 while (running && !XNextEvent(dpy, &ev))
1379 if (handler[ev.type])
1380 handler[ev.type](&ev); /* call handler */
1386 unsigned int i, num;
1387 Window d1, d2, *wins = NULL;
1388 XWindowAttributes wa;
1390 if (XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
1391 for (i = 0; i < num; i++) {
1392 if (!XGetWindowAttributes(dpy, wins[i], &wa)
1393 || wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
1395 if (wa.map_state == IsViewable || getstate(wins[i]) == IconicState)
1396 manage(wins[i], &wa);
1398 for (i = 0; i < num; i++) { /* now the transients */
1399 if (!XGetWindowAttributes(dpy, wins[i], &wa))
1401 if (XGetTransientForHint(dpy, wins[i], &d1)
1402 && (wa.map_state == IsViewable || getstate(wins[i]) == IconicState))
1403 manage(wins[i], &wa);
1411 sendmon(Client *c, Monitor *m)
1419 c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */
1427 setclientstate(Client *c, long state)
1429 long data[] = { state, None };
1431 XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
1432 PropModeReplace, (unsigned char *)data, 2);
1436 sendevent(Client *c, Atom proto)
1443 if (XGetWMProtocols(dpy, c->win, &protocols, &n)) {
1444 while (!exists && n--)
1445 exists = protocols[n] == proto;
1449 ev.type = ClientMessage;
1450 ev.xclient.window = c->win;
1451 ev.xclient.message_type = wmatom[WMProtocols];
1452 ev.xclient.format = 32;
1453 ev.xclient.data.l[0] = proto;
1454 ev.xclient.data.l[1] = CurrentTime;
1455 XSendEvent(dpy, c->win, False, NoEventMask, &ev);
1463 if (!c->neverfocus) {
1464 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
1465 XChangeProperty(dpy, root, netatom[NetActiveWindow],
1466 XA_WINDOW, 32, PropModeReplace,
1467 (unsigned char *) &(c->win), 1);
1469 sendevent(c, wmatom[WMTakeFocus]);
1473 setfullscreen(Client *c, int fullscreen)
1475 if (fullscreen && !c->isfullscreen) {
1476 XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32,
1477 PropModeReplace, (unsigned char*)&netatom[NetWMFullscreen], 1);
1478 c->isfullscreen = 1;
1479 c->oldstate = c->isfloating;
1483 resizeclient(c, c->mon->mx, c->mon->my, c->mon->mw, c->mon->mh);
1484 XRaiseWindow(dpy, c->win);
1485 } else if (!fullscreen && c->isfullscreen){
1486 XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32,
1487 PropModeReplace, (unsigned char*)0, 0);
1488 c->isfullscreen = 0;
1489 c->isfloating = c->oldstate;
1495 resizeclient(c, c->x, c->y, c->w, c->h);
1501 setlayout(const Arg *arg)
1503 if (!arg || !arg->v || arg->v != selmon->lt[selmon->sellt])
1506 selmon->lt[selmon->sellt] = (Layout *)arg->v;
1507 strncpy(selmon->ltsymbol, selmon->lt[selmon->sellt]->symbol, sizeof selmon->ltsymbol);
1514 /* arg > 1.0 will set mfact absolutely */
1516 setmfact(const Arg *arg)
1520 if (!arg || !selmon->lt[selmon->sellt]->arrange)
1522 f = arg->f < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0;
1523 if (f < 0.1 || f > 0.9)
1533 XSetWindowAttributes wa;
1536 /* clean up any zombies immediately */
1540 screen = DefaultScreen(dpy);
1541 sw = DisplayWidth(dpy, screen);
1542 sh = DisplayHeight(dpy, screen);
1543 root = RootWindow(dpy, screen);
1544 drw = drw_create(dpy, screen, root, sw, sh);
1545 if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
1546 die("no fonts could be loaded.");
1547 lrpad = drw->fonts->h;
1548 bh = drw->fonts->h + 2;
1551 utf8string = XInternAtom(dpy, "UTF8_STRING", False);
1552 wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
1553 wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
1554 wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False);
1555 wmatom[WMTakeFocus] = XInternAtom(dpy, "WM_TAKE_FOCUS", False);
1556 netatom[NetActiveWindow] = XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False);
1557 netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
1558 netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
1559 netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False);
1560 netatom[NetWMCheck] = XInternAtom(dpy, "_NET_SUPPORTING_WM_CHECK", False);
1561 netatom[NetWMFullscreen] = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False);
1562 netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
1563 netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False);
1564 netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False);
1566 cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr);
1567 cursor[CurResize] = drw_cur_create(drw, XC_sizing);
1568 cursor[CurMove] = drw_cur_create(drw, XC_fleur);
1569 /* init appearance */
1570 scheme = ecalloc(LENGTH(colors), sizeof(Clr *));
1571 for (i = 0; i < LENGTH(colors); i++)
1572 scheme[i] = drw_scm_create(drw, colors[i], 3);
1576 /* supporting window for NetWMCheck */
1577 wmcheckwin = XCreateSimpleWindow(dpy, root, 0, 0, 1, 1, 0, 0, 0);
1578 XChangeProperty(dpy, wmcheckwin, netatom[NetWMCheck], XA_WINDOW, 32,
1579 PropModeReplace, (unsigned char *) &wmcheckwin, 1);
1580 XChangeProperty(dpy, wmcheckwin, netatom[NetWMName], utf8string, 8,
1581 PropModeReplace, (unsigned char *) "dwm", 3);
1582 XChangeProperty(dpy, root, netatom[NetWMCheck], XA_WINDOW, 32,
1583 PropModeReplace, (unsigned char *) &wmcheckwin, 1);
1584 /* EWMH support per view */
1585 XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
1586 PropModeReplace, (unsigned char *) netatom, NetLast);
1587 XDeleteProperty(dpy, root, netatom[NetClientList]);
1589 wa.cursor = cursor[CurNormal]->cursor;
1590 wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask
1591 |ButtonPressMask|PointerMotionMask|EnterWindowMask
1592 |LeaveWindowMask|StructureNotifyMask|PropertyChangeMask;
1593 XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa);
1594 XSelectInput(dpy, root, wa.event_mask);
1601 seturgent(Client *c, int urg)
1606 if (!(wmh = XGetWMHints(dpy, c->win)))
1608 wmh->flags = urg ? (wmh->flags | XUrgencyHint) : (wmh->flags & ~XUrgencyHint);
1609 XSetWMHints(dpy, c->win, wmh);
1619 /* show clients top down */
1620 XMoveWindow(dpy, c->win, c->x, c->y);
1621 if ((!c->mon->lt[c->mon->sellt]->arrange || c->isfloating) && !c->isfullscreen)
1622 resize(c, c->x, c->y, c->w, c->h, 0);
1625 /* hide clients bottom up */
1627 XMoveWindow(dpy, c->win, WIDTH(c) * -2, c->y);
1634 if (signal(SIGCHLD, sigchld) == SIG_ERR)
1635 die("can't install SIGCHLD handler:");
1636 while (0 < waitpid(-1, NULL, WNOHANG));
1640 spawn(const Arg *arg)
1642 if (arg->v == dmenucmd)
1643 dmenumon[0] = '0' + selmon->num;
1646 close(ConnectionNumber(dpy));
1648 execvp(((char **)arg->v)[0], (char **)arg->v);
1649 fprintf(stderr, "dwm: execvp %s", ((char **)arg->v)[0]);
1658 if (selmon->sel && arg->ui & TAGMASK) {
1659 selmon->sel->tags = arg->ui & TAGMASK;
1666 tagmon(const Arg *arg)
1668 if (!selmon->sel || !mons->next)
1670 sendmon(selmon->sel, dirtomon(arg->i));
1676 unsigned int i, n, h, mw, my, ty;
1679 for (n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++);
1684 mw = m->nmaster ? m->ww * m->mfact : 0;
1687 for (i = my = ty = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++)
1688 if (i < m->nmaster) {
1689 h = (m->wh - my) / (MIN(n, m->nmaster) - i);
1690 resize(c, m->wx, m->wy + my, mw - (2*c->bw), h - (2*c->bw), 0);
1693 h = (m->wh - ty) / (n - i);
1694 resize(c, m->wx + mw, m->wy + ty, m->ww - mw - (2*c->bw), h - (2*c->bw), 0);
1700 togglebar(const Arg *arg)
1702 selmon->showbar = !selmon->showbar;
1703 updatebarpos(selmon);
1704 XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh);
1709 togglefloating(const Arg *arg)
1713 if (selmon->sel->isfullscreen) /* no support for fullscreen windows */
1715 selmon->sel->isfloating = !selmon->sel->isfloating || selmon->sel->isfixed;
1716 if (selmon->sel->isfloating)
1717 resize(selmon->sel, selmon->sel->x, selmon->sel->y,
1718 selmon->sel->w, selmon->sel->h, 0);
1723 toggletag(const Arg *arg)
1725 unsigned int newtags;
1729 newtags = selmon->sel->tags ^ (arg->ui & TAGMASK);
1731 selmon->sel->tags = newtags;
1738 toggleview(const Arg *arg)
1740 unsigned int newtagset = selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK);
1743 selmon->tagset[selmon->seltags] = newtagset;
1750 unfocus(Client *c, int setfocus)
1755 XSetWindowBorder(dpy, c->win, scheme[SchemeNorm][ColBorder].pixel);
1757 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
1758 XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
1763 unmanage(Client *c, int destroyed)
1765 Monitor *m = c->mon;
1771 wc.border_width = c->oldbw;
1772 XGrabServer(dpy); /* avoid race conditions */
1773 XSetErrorHandler(xerrordummy);
1774 XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */
1775 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
1776 setclientstate(c, WithdrawnState);
1778 XSetErrorHandler(xerror);
1788 unmapnotify(XEvent *e)
1791 XUnmapEvent *ev = &e->xunmap;
1793 if ((c = wintoclient(ev->window))) {
1795 setclientstate(c, WithdrawnState);
1805 XSetWindowAttributes wa = {
1806 .override_redirect = True,
1807 .background_pixmap = ParentRelative,
1808 .event_mask = ButtonPressMask|ExposureMask
1810 XClassHint ch = {"dwm", "dwm"};
1811 for (m = mons; m; m = m->next) {
1814 m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen),
1815 CopyFromParent, DefaultVisual(dpy, screen),
1816 CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
1817 XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor);
1818 XMapRaised(dpy, m->barwin);
1819 XSetClassHint(dpy, m->barwin, &ch);
1824 updatebarpos(Monitor *m)
1830 m->by = m->topbar ? m->wy : m->wy + m->wh;
1831 m->wy = m->topbar ? m->wy + bh : m->wy;
1842 XDeleteProperty(dpy, root, netatom[NetClientList]);
1843 for (m = mons; m; m = m->next)
1844 for (c = m->clients; c; c = c->next)
1845 XChangeProperty(dpy, root, netatom[NetClientList],
1846 XA_WINDOW, 32, PropModeAppend,
1847 (unsigned char *) &(c->win), 1);
1856 if (XineramaIsActive(dpy)) {
1860 XineramaScreenInfo *info = XineramaQueryScreens(dpy, &nn);
1861 XineramaScreenInfo *unique = NULL;
1863 for (n = 0, m = mons; m; m = m->next, n++);
1864 /* only consider unique geometries as separate screens */
1865 unique = ecalloc(nn, sizeof(XineramaScreenInfo));
1866 for (i = 0, j = 0; i < nn; i++)
1867 if (isuniquegeom(unique, j, &info[i]))
1868 memcpy(&unique[j++], &info[i], sizeof(XineramaScreenInfo));
1871 if (n <= nn) { /* new monitors available */
1872 for (i = 0; i < (nn - n); i++) {
1873 for (m = mons; m && m->next; m = m->next);
1875 m->next = createmon();
1879 for (i = 0, m = mons; i < nn && m; m = m->next, i++)
1881 || unique[i].x_org != m->mx || unique[i].y_org != m->my
1882 || unique[i].width != m->mw || unique[i].height != m->mh)
1886 m->mx = m->wx = unique[i].x_org;
1887 m->my = m->wy = unique[i].y_org;
1888 m->mw = m->ww = unique[i].width;
1889 m->mh = m->wh = unique[i].height;
1892 } else { /* less monitors available nn < n */
1893 for (i = nn; i < n; i++) {
1894 for (m = mons; m && m->next; m = m->next);
1895 while ((c = m->clients)) {
1897 m->clients = c->next;
1910 #endif /* XINERAMA */
1911 { /* default monitor setup */
1914 if (mons->mw != sw || mons->mh != sh) {
1916 mons->mw = mons->ww = sw;
1917 mons->mh = mons->wh = sh;
1923 selmon = wintomon(root);
1929 updatenumlockmask(void)
1932 XModifierKeymap *modmap;
1935 modmap = XGetModifierMapping(dpy);
1936 for (i = 0; i < 8; i++)
1937 for (j = 0; j < modmap->max_keypermod; j++)
1938 if (modmap->modifiermap[i * modmap->max_keypermod + j]
1939 == XKeysymToKeycode(dpy, XK_Num_Lock))
1940 numlockmask = (1 << i);
1941 XFreeModifiermap(modmap);
1945 updatesizehints(Client *c)
1950 if (!XGetWMNormalHints(dpy, c->win, &size, &msize))
1951 /* size is uninitialized, ensure that size.flags aren't used */
1953 if (size.flags & PBaseSize) {
1954 c->basew = size.base_width;
1955 c->baseh = size.base_height;
1956 } else if (size.flags & PMinSize) {
1957 c->basew = size.min_width;
1958 c->baseh = size.min_height;
1960 c->basew = c->baseh = 0;
1961 if (size.flags & PResizeInc) {
1962 c->incw = size.width_inc;
1963 c->inch = size.height_inc;
1965 c->incw = c->inch = 0;
1966 if (size.flags & PMaxSize) {
1967 c->maxw = size.max_width;
1968 c->maxh = size.max_height;
1970 c->maxw = c->maxh = 0;
1971 if (size.flags & PMinSize) {
1972 c->minw = size.min_width;
1973 c->minh = size.min_height;
1974 } else if (size.flags & PBaseSize) {
1975 c->minw = size.base_width;
1976 c->minh = size.base_height;
1978 c->minw = c->minh = 0;
1979 if (size.flags & PAspect) {
1980 c->mina = (float)size.min_aspect.y / size.min_aspect.x;
1981 c->maxa = (float)size.max_aspect.x / size.max_aspect.y;
1983 c->maxa = c->mina = 0.0;
1984 c->isfixed = (c->maxw && c->maxh && c->maxw == c->minw && c->maxh == c->minh);
1990 if (!gettextprop(root, XA_WM_NAME, stext, sizeof(stext)))
1991 strcpy(stext, "dwm-"VERSION);
1996 updatetitle(Client *c)
1998 if (!gettextprop(c->win, netatom[NetWMName], c->name, sizeof c->name))
1999 gettextprop(c->win, XA_WM_NAME, c->name, sizeof c->name);
2000 if (c->name[0] == '\0') /* hack to mark broken clients */
2001 strcpy(c->name, broken);
2005 updatewindowtype(Client *c)
2007 Atom state = getatomprop(c, netatom[NetWMState]);
2008 Atom wtype = getatomprop(c, netatom[NetWMWindowType]);
2010 if (state == netatom[NetWMFullscreen])
2011 setfullscreen(c, 1);
2012 if (wtype == netatom[NetWMWindowTypeDialog])
2017 updatewmhints(Client *c)
2021 if ((wmh = XGetWMHints(dpy, c->win))) {
2022 if (c == selmon->sel && wmh->flags & XUrgencyHint) {
2023 wmh->flags &= ~XUrgencyHint;
2024 XSetWMHints(dpy, c->win, wmh);
2026 c->isurgent = (wmh->flags & XUrgencyHint) ? 1 : 0;
2027 if (wmh->flags & InputHint)
2028 c->neverfocus = !wmh->input;
2036 view(const Arg *arg)
2038 if ((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])
2040 selmon->seltags ^= 1; /* toggle sel tagset */
2041 if (arg->ui & TAGMASK)
2042 selmon->tagset[selmon->seltags] = arg->ui & TAGMASK;
2048 wintoclient(Window w)
2053 for (m = mons; m; m = m->next)
2054 for (c = m->clients; c; c = c->next)
2067 if (w == root && getrootptr(&x, &y))
2068 return recttomon(x, y, 1, 1);
2069 for (m = mons; m; m = m->next)
2072 if ((c = wintoclient(w)))
2077 /* There's no way to check accesses to destroyed windows, thus those cases are
2078 * ignored (especially on UnmapNotify's). Other types of errors call Xlibs
2079 * default error handler, which may call exit. */
2081 xerror(Display *dpy, XErrorEvent *ee)
2083 if (ee->error_code == BadWindow
2084 || (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch)
2085 || (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable)
2086 || (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable)
2087 || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable)
2088 || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch)
2089 || (ee->request_code == X_GrabButton && ee->error_code == BadAccess)
2090 || (ee->request_code == X_GrabKey && ee->error_code == BadAccess)
2091 || (ee->request_code == X_CopyArea && ee->error_code == BadDrawable))
2093 fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",
2094 ee->request_code, ee->error_code);
2095 return xerrorxlib(dpy, ee); /* may call exit */
2099 xerrordummy(Display *dpy, XErrorEvent *ee)
2104 /* Startup Error handler to check if another window manager
2105 * is already running. */
2107 xerrorstart(Display *dpy, XErrorEvent *ee)
2109 die("dwm: another window manager is already running");
2114 zoom(const Arg *arg)
2116 Client *c = selmon->sel;
2118 if (!selmon->lt[selmon->sellt]->arrange
2119 || (selmon->sel && selmon->sel->isfloating))
2121 if (c == nexttiled(selmon->clients))
2122 if (!c || !(c = nexttiled(c->next)))
2128 main(int argc, char *argv[])
2130 if (argc == 2 && !strcmp("-v", argv[1]))
2133 die("usage: dwm [-v]");
2134 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
2135 fputs("warning: no locale support\n", stderr);
2136 if (!(dpy = XOpenDisplay(NULL)))
2137 die("dwm: cannot open display");
2144 return EXIT_SUCCESS;