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 * Calls to fetch an X event from the event queue are blocking. Due reading
10 * status text from standard input, a select()-driven main loop has been
11 * implemented which selects for reads on the X connection and STDIN_FILENO to
12 * handle all data smoothly. The event handlers of dwm are organized in an
13 * array which is accessed whenever a new event has been fetched. This allows
14 * event dispatching in O(1) time.
16 * Each child of the root window is called a client, except windows which have
17 * set the override_redirect flag. Clients are organized in a global
18 * doubly-linked client list, the focus history is remembered through a global
19 * stack list. Each client contains an array of Bools of the same size as the
20 * global tags array to indicate the tags of a client.
22 * Keys and tagging rules are organized as arrays and defined in config.h.
24 * To understand everything else, start reading main().
33 #include <sys/select.h>
34 #include <sys/types.h>
37 #include <X11/cursorfont.h>
38 #include <X11/keysym.h>
39 #include <X11/Xatom.h>
41 #include <X11/Xproto.h>
42 #include <X11/Xutil.h>
44 #include <X11/extensions/Xinerama.h>
48 #define BUTTONMASK (ButtonPressMask | ButtonReleaseMask)
49 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
50 #define LENGTH(x) (sizeof x / sizeof x[0])
52 #define MOUSEMASK (BUTTONMASK | PointerMotionMask)
56 enum { BarTop, BarBot, BarOff }; /* bar position */
57 enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
58 enum { ColBorder, ColFG, ColBG, ColLast }; /* color */
59 enum { NetSupported, NetWMName, NetLast }; /* EWMH atoms */
60 enum { WMProtocols, WMDelete, WMName, WMState, WMLast };/* default atoms */
63 typedef struct Client Client;
67 int basew, baseh, incw, inch, maxw, maxh, minw, minh;
68 int minax, maxax, minay, maxay;
70 unsigned int border, oldborder;
71 Bool isbanned, isfixed, isfloating, isurgent;
82 unsigned long norm[ColLast];
83 unsigned long sel[ColLast];
93 } DC; /* draw context */
98 void (*func)(const char *arg);
104 void (*arrange)(void);
121 int sx, sy, sw, sh, wax, way, wah, waw;
128 /* function declarations */
129 void applyrules(Client *c);
131 void attach(Client *c);
132 void attachstack(Client *c);
134 void buttonpress(XEvent *e);
135 void checkotherwm(void);
137 void compileregs(void);
138 void configure(Client *c);
139 void configurenotify(XEvent *e);
140 void configurerequest(XEvent *e);
141 void destroynotify(XEvent *e);
142 void detach(Client *c);
143 void detachstack(Client *c);
145 void drawsquare(Monitor *, Bool filled, Bool empty, Bool invert, unsigned long col[ColLast]);
146 void drawtext(Monitor *, const char *text, unsigned long col[ColLast], Bool invert);
147 void *emallocz(unsigned int size);
148 void enternotify(XEvent *e);
149 void eprint(const char *errstr, ...);
150 void expose(XEvent *e);
151 void floating(void); /* default floating layout */
152 void focus(Client *c);
153 void focusin(XEvent *e);
154 void focusnext(const char *arg);
155 void focusprev(const char *arg);
156 Client *getclient(Window w);
157 unsigned long getcolor(const char *colstr);
158 long getstate(Window w);
159 Bool gettextprop(Window w, Atom atom, char *text, unsigned int size);
160 void grabbuttons(Client *c, Bool focused);
162 unsigned int idxoftag(const char *tag);
163 void initfont(const char *fontstr);
164 Bool isoccupied(unsigned int monitor, unsigned int t);
165 Bool isprotodel(Client *c);
166 Bool isurgent(unsigned int monitor, unsigned int t);
167 Bool isvisible(Client *c, int monitor);
168 void keypress(XEvent *e);
169 void killclient(const char *arg);
170 void manage(Window w, XWindowAttributes *wa);
171 void mappingnotify(XEvent *e);
172 void maprequest(XEvent *e);
173 void movemouse(Client *c);
174 Client *nexttiled(Client *c, int monitor);
175 void propertynotify(XEvent *e);
176 void quit(const char *arg);
177 void reapply(const char *arg);
178 void resize(Client *c, int x, int y, int w, int h, Bool sizehints);
179 void resizemouse(Client *c);
183 void setclientstate(Client *c, long state);
184 void setlayout(const char *arg);
185 void setmwfact(const char *arg);
187 void spawn(const char *arg);
188 void tag(const char *arg);
189 unsigned int textnw(const char *text, unsigned int len);
190 unsigned int textw(const char *text);
192 void togglebar(const char *arg);
193 void togglefloating(const char *arg);
194 void toggletag(const char *arg);
195 void toggleview(const char *arg);
196 void unban(Client *c);
197 void unmanage(Client *c);
198 void unmapnotify(XEvent *e);
199 void updatebarpos(Monitor *m);
200 void updatesizehints(Client *c);
201 void updatetitle(Client *c);
202 void updatewmhints(Client *c);
203 void view(const char *arg);
204 void viewprevtag(const char *arg); /* views previous selected tags */
205 int xerror(Display *dpy, XErrorEvent *ee);
206 int xerrordummy(Display *dsply, XErrorEvent *ee);
207 int xerrorstart(Display *dsply, XErrorEvent *ee);
208 void zoom(const char *arg);
210 void movetomonitor(const char *arg);
211 void selectmonitor(const char *arg);
218 int (*xerrorxlib)(Display *, XErrorEvent *);
219 unsigned int bh, bpos;
220 unsigned int blw = 0;
221 unsigned int numlockmask = 0;
222 void (*handler[LASTEvent]) (XEvent *) = {
223 [ButtonPress] = buttonpress,
224 [ConfigureRequest] = configurerequest,
225 [ConfigureNotify] = configurenotify,
226 [DestroyNotify] = destroynotify,
227 [EnterNotify] = enternotify,
230 [KeyPress] = keypress,
231 [MappingNotify] = mappingnotify,
232 [MapRequest] = maprequest,
233 [PropertyNotify] = propertynotify,
234 [UnmapNotify] = unmapnotify
236 Atom wmatom[WMLast], netatom[NetLast];
237 Bool isxinerama = False;
238 Bool domwfact = True;
240 Bool otherwm, readin;
242 Client *clients = NULL;
244 Client *stack = NULL;
245 Cursor cursor[CurLast];
252 /* configuration, allows nested code to access above variables */
255 //Bool prevtags[LENGTH(tags)];
257 /* function implementations */
259 applyrules(Client *c) {
260 static char buf[512];
263 Bool matched_tag = False;
264 Bool matched_monitor = False;
265 XClassHint ch = { 0 };
268 XGetClassHint(dpy, c->win, &ch);
269 snprintf(buf, sizeof buf, "%s:%s:%s",
270 ch.res_class ? ch.res_class : "",
271 ch.res_name ? ch.res_name : "", c->name);
272 for(i = 0; i < LENGTH(rules); i++)
273 if(regs[i].propregex && !regexec(regs[i].propregex, buf, 1, &tmp, 0)) {
274 if (rules[i].monitor >= 0 && rules[i].monitor < mcount) {
275 matched_monitor = True;
276 c->monitor = rules[i].monitor;
279 c->isfloating = rules[i].isfloating;
280 for(j = 0; regs[i].tagregex && j < LENGTH(tags); j++) {
281 if(!regexec(regs[i].tagregex, tags[j], 1, &tmp, 0)) {
292 memcpy(c->tags, monitors[monitorat()].seltags, sizeof initags);
293 if (!matched_monitor)
294 c->monitor = monitorat();
301 for(c = clients; c; c = c->next)
302 if(isvisible(c, c->monitor))
307 monitors[selmonitor].layout->arrange();
321 attachstack(Client *c) {
330 XMoveWindow(dpy, c->win, c->x + 3 * monitors[c->monitor].sw, c->y);
335 buttonpress(XEvent *e) {
338 XButtonPressedEvent *ev = &e->xbutton;
340 Monitor *m = &monitors[monitorat()];
342 if(ev->window == m->barwin) {
344 for(i = 0; i < LENGTH(tags); i++) {
347 if(ev->button == Button1) {
348 if(ev->state & MODKEY)
353 else if(ev->button == Button3) {
354 if(ev->state & MODKEY)
362 if((ev->x < x + blw) && ev->button == Button1)
365 else if((c = getclient(ev->window))) {
367 if(CLEANMASK(ev->state) != MODKEY)
369 if(ev->button == Button1) {
373 else if(ev->button == Button2) {
374 if((floating != m->layout->arrange) && c->isfloating)
375 togglefloating(NULL);
379 else if(ev->button == Button3 && !c->isfixed) {
389 XSetErrorHandler(xerrorstart);
391 /* this causes an error if some other window manager is running */
392 XSelectInput(dpy, DefaultRootWindow(dpy), SubstructureRedirectMask);
395 eprint("dwm: another window manager is already running\n");
397 XSetErrorHandler(NULL);
398 xerrorxlib = XSetErrorHandler(xerror);
411 XFreeFontSet(dpy, dc.font.set);
413 XFreeFont(dpy, dc.font.xfont);
415 XUngrabKey(dpy, AnyKey, AnyModifier, root);
416 XFreePixmap(dpy, dc.drawable);
418 XFreeCursor(dpy, cursor[CurNormal]);
419 XFreeCursor(dpy, cursor[CurResize]);
420 XFreeCursor(dpy, cursor[CurMove]);
421 for(i = 0; i < mcount; i++)
422 XDestroyWindow(dpy, monitors[i].barwin);
424 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
434 regs = emallocz(LENGTH(rules) * sizeof(Regs));
435 for(i = 0; i < LENGTH(rules); i++) {
437 reg = emallocz(sizeof(regex_t));
438 if(regcomp(reg, rules[i].prop, REG_EXTENDED))
441 regs[i].propregex = reg;
444 reg = emallocz(sizeof(regex_t));
445 if(regcomp(reg, rules[i].tags, REG_EXTENDED))
448 regs[i].tagregex = reg;
454 configure(Client *c) {
457 ce.type = ConfigureNotify;
465 ce.border_width = c->border;
467 ce.override_redirect = False;
468 XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce);
472 configurenotify(XEvent *e) {
473 XConfigureEvent *ev = &e->xconfigure;
474 Monitor *m = &monitors[selmonitor];
476 if(ev->window == root && (ev->width != m->sw || ev->height != m->sh)) {
477 /* TODO -- update Xinerama dimensions here */
480 XFreePixmap(dpy, dc.drawable);
481 dc.drawable = XCreatePixmap(dpy, root, DisplayWidth(root, screen), bh, DefaultDepth(dpy, screen));
482 XResizeWindow(dpy, m->barwin, m->sw, bh);
489 configurerequest(XEvent *e) {
491 XConfigureRequestEvent *ev = &e->xconfigurerequest;
494 if((c = getclient(ev->window))) {
495 Monitor *m = &monitors[c->monitor];
496 if(ev->value_mask & CWBorderWidth)
497 c->border = ev->border_width;
498 if(c->isfixed || c->isfloating || (floating == m->layout->arrange)) {
499 if(ev->value_mask & CWX)
501 if(ev->value_mask & CWY)
503 if(ev->value_mask & CWWidth)
505 if(ev->value_mask & CWHeight)
507 if((c->x - m->sx + c->w) > m->sw && c->isfloating)
508 c->x = m->sx + (m->sw / 2 - c->w / 2); /* center in x direction */
509 if((c->y - m->sy + c->h) > m->sh && c->isfloating)
510 c->y = m->sy + (m->sh / 2 - c->h / 2); /* center in y direction */
511 if((ev->value_mask & (CWX | CWY))
512 && !(ev->value_mask & (CWWidth | CWHeight)))
514 if(isvisible(c, monitorat()))
515 XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
523 wc.width = ev->width;
524 wc.height = ev->height;
525 wc.border_width = ev->border_width;
526 wc.sibling = ev->above;
527 wc.stack_mode = ev->detail;
528 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
534 destroynotify(XEvent *e) {
536 XDestroyWindowEvent *ev = &e->xdestroywindow;
538 if((c = getclient(ev->window)))
545 c->prev->next = c->next;
547 c->next->prev = c->prev;
550 c->next = c->prev = NULL;
554 detachstack(Client *c) {
557 for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
566 for(i = 0; i < mcount; i++) {
567 Monitor *m = &monitors[i];
569 for(c = stack; c && !isvisible(c, i); c = c->snext);
570 fprintf(stderr, "m%d %s\n", i, c ? c->name : "NIL");
571 for(j = 0; j < LENGTH(tags); j++) {
572 dc.w = textw(tags[j]);
574 drawtext(m, tags[j], dc.sel, isurgent(i, j));
575 drawsquare(m, c && c->tags[j] && c->monitor == i,
576 isoccupied(i, j), isurgent(i, j), dc.sel);
579 drawtext(m, tags[j], dc.norm, isurgent(i, j));
580 drawsquare(m, c && c->tags[j] && c->monitor == i,
581 isoccupied(i, j), isurgent(i, j), dc.norm);
586 drawtext(m, m->layout->symbol, dc.norm, False);
588 if(i == selmonitor) {
595 drawtext(m, stext, dc.norm, False);
599 if((dc.w = dc.x - x) > bh) {
602 drawtext(m, c->name, dc.sel, False);
603 drawsquare(m, False, c->isfloating, False, dc.sel);
606 drawtext(m, NULL, dc.norm, False);
608 XCopyArea(dpy, dc.drawable, m->barwin, dc.gc, 0, 0, m->sw, bh, 0, 0);
614 drawsquare(Monitor *m, Bool filled, Bool empty, Bool invert, unsigned long col[ColLast]) {
617 XRectangle r = { dc.x, dc.y, dc.w, dc.h };
619 gcv.foreground = col[invert ? ColBG : ColFG];
620 XChangeGC(dpy, dc.gc, GCForeground, &gcv);
621 x = (dc.font.ascent + dc.font.descent + 2) / 4;
625 r.width = r.height = x + 1;
626 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
629 r.width = r.height = x;
630 XDrawRectangles(dpy, dc.drawable, dc.gc, &r, 1);
635 drawtext(Monitor *m, const char *text, unsigned long col[ColLast], Bool invert) {
637 static char buf[256];
638 unsigned int len, olen;
639 XRectangle r = { dc.x, dc.y, dc.w, dc.h };
641 XSetForeground(dpy, dc.gc, col[invert ? ColFG : ColBG]);
642 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
646 olen = len = strlen(text);
647 if(len >= sizeof buf)
648 len = sizeof buf - 1;
649 memcpy(buf, text, len);
651 h = dc.font.ascent + dc.font.descent;
652 y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
654 /* shorten text if necessary */
655 while(len && (w = textnw(buf, len)) > dc.w - h)
666 return; /* too long */
667 XSetForeground(dpy, dc.gc, col[invert ? ColBG : ColFG]);
669 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
671 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
675 emallocz(unsigned int size) {
676 void *res = calloc(1, size);
679 eprint("fatal: could not malloc() %u bytes\n", size);
684 enternotify(XEvent *e) {
686 XCrossingEvent *ev = &e->xcrossing;
688 if(ev->mode != NotifyNormal || ev->detail == NotifyInferior) {
689 if(!isxinerama || ev->window != root)
692 if((c = getclient(ev->window)))
695 selmonitor = monitorat();
696 fprintf(stderr, "updating selmonitor %d\n", selmonitor);
702 eprint(const char *errstr, ...) {
705 va_start(ap, errstr);
706 vfprintf(stderr, errstr, ap);
713 XExposeEvent *ev = &e->xexpose;
716 if(ev->window == monitors[selmonitor].barwin)
722 floating(void) { /* default floating layout */
725 domwfact = dozoom = False;
726 for(c = clients; c; c = c->next)
727 if(isvisible(c, selmonitor))
728 resize(c, c->x, c->y, c->w, c->h, True);
736 selmonitor = c->monitor;
737 m = &monitors[selmonitor];
738 if(!c || (c && !isvisible(c, selmonitor)))
739 for(c = stack; c && !isvisible(c, c->monitor); c = c->snext);
740 if(sel && sel != c) {
741 grabbuttons(sel, False);
742 XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
747 grabbuttons(c, True);
752 XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
753 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
754 selmonitor = c->monitor;
757 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
763 focusin(XEvent *e) { /* there are some broken focus acquiring clients */
764 XFocusChangeEvent *ev = &e->xfocus;
766 if(sel && ev->window != sel->win)
767 XSetInputFocus(dpy, sel->win, RevertToPointerRoot, CurrentTime);
771 focusnext(const char *arg) {
776 for(c = sel->next; c && !isvisible(c, selmonitor); c = c->next);
778 for(c = clients; c && !isvisible(c, selmonitor); c = c->next);
786 focusprev(const char *arg) {
791 for(c = sel->prev; c && !isvisible(c, selmonitor); c = c->prev);
793 for(c = clients; c && c->next; c = c->next);
794 for(; c && !isvisible(c, selmonitor); c = c->prev);
803 getclient(Window w) {
806 for(c = clients; c && c->win != w; c = c->next);
811 getcolor(const char *colstr) {
812 Colormap cmap = DefaultColormap(dpy, screen);
815 if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
816 eprint("error, cannot allocate color '%s'\n", colstr);
824 unsigned char *p = NULL;
825 unsigned long n, extra;
828 status = XGetWindowProperty(dpy, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState],
829 &real, &format, &n, &extra, (unsigned char **)&p);
830 if(status != Success)
839 gettextprop(Window w, Atom atom, char *text, unsigned int size) {
844 if(!text || size == 0)
847 XGetTextProperty(dpy, w, &name, atom);
850 if(name.encoding == XA_STRING)
851 strncpy(text, (char *)name.value, size - 1);
853 if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
855 strncpy(text, *list, size - 1);
856 XFreeStringList(list);
859 text[size - 1] = '\0';
865 grabbuttons(Client *c, Bool focused) {
866 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
869 XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
870 GrabModeAsync, GrabModeSync, None, None);
871 XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,
872 GrabModeAsync, GrabModeSync, None, None);
873 XGrabButton(dpy, Button1, MODKEY | numlockmask, c->win, False, BUTTONMASK,
874 GrabModeAsync, GrabModeSync, None, None);
875 XGrabButton(dpy, Button1, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
876 GrabModeAsync, GrabModeSync, None, None);
878 XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
879 GrabModeAsync, GrabModeSync, None, None);
880 XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK,
881 GrabModeAsync, GrabModeSync, None, None);
882 XGrabButton(dpy, Button2, MODKEY | numlockmask, c->win, False, BUTTONMASK,
883 GrabModeAsync, GrabModeSync, None, None);
884 XGrabButton(dpy, Button2, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
885 GrabModeAsync, GrabModeSync, None, None);
887 XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
888 GrabModeAsync, GrabModeSync, None, None);
889 XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK,
890 GrabModeAsync, GrabModeSync, None, None);
891 XGrabButton(dpy, Button3, MODKEY | numlockmask, c->win, False, BUTTONMASK,
892 GrabModeAsync, GrabModeSync, None, None);
893 XGrabButton(dpy, Button3, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
894 GrabModeAsync, GrabModeSync, None, None);
897 XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
898 GrabModeAsync, GrabModeSync, None, None);
905 XModifierKeymap *modmap;
907 /* init modifier map */
908 modmap = XGetModifierMapping(dpy);
909 for(i = 0; i < 8; i++)
910 for(j = 0; j < modmap->max_keypermod; j++) {
911 if(modmap->modifiermap[i * modmap->max_keypermod + j] == XKeysymToKeycode(dpy, XK_Num_Lock))
912 numlockmask = (1 << i);
914 XFreeModifiermap(modmap);
916 XUngrabKey(dpy, AnyKey, AnyModifier, root);
917 for(i = 0; i < LENGTH(keys); i++) {
918 code = XKeysymToKeycode(dpy, keys[i].keysym);
919 XGrabKey(dpy, code, keys[i].mod, root, True,
920 GrabModeAsync, GrabModeAsync);
921 XGrabKey(dpy, code, keys[i].mod | LockMask, root, True,
922 GrabModeAsync, GrabModeAsync);
923 XGrabKey(dpy, code, keys[i].mod | numlockmask, root, True,
924 GrabModeAsync, GrabModeAsync);
925 XGrabKey(dpy, code, keys[i].mod | numlockmask | LockMask, root, True,
926 GrabModeAsync, GrabModeAsync);
931 idxoftag(const char *tag) {
934 for(i = 0; (i < LENGTH(tags)) && (tags[i] != tag); i++);
935 return (i < LENGTH(tags)) ? i : 0;
939 initfont(const char *fontstr) {
940 char *def, **missing;
945 XFreeFontSet(dpy, dc.font.set);
946 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
949 fprintf(stderr, "dwm: missing fontset: %s\n", missing[n]);
950 XFreeStringList(missing);
953 XFontSetExtents *font_extents;
954 XFontStruct **xfonts;
956 dc.font.ascent = dc.font.descent = 0;
957 font_extents = XExtentsOfFontSet(dc.font.set);
958 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
959 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
960 if(dc.font.ascent < (*xfonts)->ascent)
961 dc.font.ascent = (*xfonts)->ascent;
962 if(dc.font.descent < (*xfonts)->descent)
963 dc.font.descent = (*xfonts)->descent;
969 XFreeFont(dpy, dc.font.xfont);
970 dc.font.xfont = NULL;
971 if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
972 && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
973 eprint("error, cannot load font: '%s'\n", fontstr);
974 dc.font.ascent = dc.font.xfont->ascent;
975 dc.font.descent = dc.font.xfont->descent;
977 dc.font.height = dc.font.ascent + dc.font.descent;
981 isoccupied(unsigned int monitor, unsigned int t) {
984 for(c = clients; c; c = c->next)
985 if(c->tags[t] && c->monitor == monitor)
991 isprotodel(Client *c) {
996 if(XGetWMProtocols(dpy, c->win, &protocols, &n)) {
997 for(i = 0; !ret && i < n; i++)
998 if(protocols[i] == wmatom[WMDelete])
1006 isurgent(unsigned int monitor, unsigned int t) {
1009 for(c = clients; c; c = c->next)
1010 if(c->monitor == monitor && c->isurgent && c->tags[t])
1016 isvisible(Client *c, int monitor) {
1019 if(c->monitor != monitor)
1021 for(i = 0; i < LENGTH(tags); i++)
1022 if(c->tags[i] && monitors[c->monitor].seltags[i])
1028 keypress(XEvent *e) {
1034 keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
1035 for(i = 0; i < LENGTH(keys); i++)
1036 if(keysym == keys[i].keysym
1037 && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state))
1040 keys[i].func(keys[i].arg);
1045 killclient(const char *arg) {
1050 if(isprotodel(sel)) {
1051 ev.type = ClientMessage;
1052 ev.xclient.window = sel->win;
1053 ev.xclient.message_type = wmatom[WMProtocols];
1054 ev.xclient.format = 32;
1055 ev.xclient.data.l[0] = wmatom[WMDelete];
1056 ev.xclient.data.l[1] = CurrentTime;
1057 XSendEvent(dpy, sel->win, False, NoEventMask, &ev);
1060 XKillClient(dpy, sel->win);
1064 manage(Window w, XWindowAttributes *wa) {
1065 Client *c, *t = NULL;
1071 c = emallocz(sizeof(Client));
1072 c->tags = emallocz(sizeof initags);
1077 m = &monitors[c->monitor];
1079 c->x = wa->x + m->sx;
1080 c->y = wa->y + m->sy;
1083 c->oldborder = wa->border_width;
1085 if(c->w == m->sw && c->h == m->sh) {
1088 c->border = wa->border_width;
1091 if(c->x + c->w + 2 * c->border > m->wax + m->waw)
1092 c->x = m->wax + m->waw - c->w - 2 * c->border;
1093 if(c->y + c->h + 2 * c->border > m->way + m->wah)
1094 c->y = m->way + m->wah - c->h - 2 * c->border;
1099 c->border = BORDERPX;
1101 wc.border_width = c->border;
1102 XConfigureWindow(dpy, w, CWBorderWidth, &wc);
1103 XSetWindowBorder(dpy, w, dc.norm[ColBorder]);
1104 configure(c); /* propagates border_width, if size doesn't change */
1106 XSelectInput(dpy, w, EnterWindowMask | FocusChangeMask | PropertyChangeMask | StructureNotifyMask);
1107 grabbuttons(c, False);
1109 if((rettrans = XGetTransientForHint(dpy, w, &trans) == Success))
1110 for(t = clients; t && t->win != trans; t = t->next);
1112 memcpy(c->tags, t->tags, sizeof initags);
1114 c->isfloating = (rettrans == Success) || c->isfixed;
1117 XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h); /* some windows require this */
1119 XMapWindow(dpy, c->win);
1120 setclientstate(c, NormalState);
1125 mappingnotify(XEvent *e) {
1126 XMappingEvent *ev = &e->xmapping;
1128 XRefreshKeyboardMapping(ev);
1129 if(ev->request == MappingKeyboard)
1134 maprequest(XEvent *e) {
1135 static XWindowAttributes wa;
1136 XMapRequestEvent *ev = &e->xmaprequest;
1138 if(!XGetWindowAttributes(dpy, ev->window, &wa))
1140 if(wa.override_redirect)
1142 if(!getclient(ev->window))
1143 manage(ev->window, &wa);
1152 XQueryPointer(dpy, root, &win, &win, &x, &y, &i, &i, &mask);
1153 for(i = 0; i < mcount; i++) {
1154 if((x >= monitors[i].sx && x < monitors[i].sx + monitors[i].sw)
1155 && (y >= monitors[i].sy && y < monitors[i].sy + monitors[i].sh)) {
1163 movemouse(Client *c) {
1164 int x1, y1, ocx, ocy, di, nx, ny;
1172 m = &monitors[c->monitor];
1173 if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
1174 None, cursor[CurMove], CurrentTime) != GrabSuccess)
1176 XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
1178 XMaskEvent(dpy, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
1181 XUngrabPointer(dpy, CurrentTime);
1183 case ConfigureRequest:
1186 handler[ev.type](&ev);
1190 nx = ocx + (ev.xmotion.x - x1);
1191 ny = ocy + (ev.xmotion.y - y1);
1192 if(abs(m->wax - nx) < SNAP)
1194 else if(abs((m->wax + m->waw) - (nx + c->w + 2 * c->border)) < SNAP)
1195 nx = m->wax + m->waw - c->w - 2 * c->border;
1196 if(abs(m->way - ny) < SNAP)
1198 else if(abs((m->way + m->wah) - (ny + c->h + 2 * c->border)) < SNAP)
1199 ny = m->way + m->wah - c->h - 2 * c->border;
1200 if((m->layout->arrange != floating) && (abs(nx - c->x) > SNAP || abs(ny - c->y) > SNAP))
1201 togglefloating(NULL);
1202 if((m->layout->arrange == floating) || c->isfloating)
1203 resize(c, nx, ny, c->w, c->h, False);
1210 nexttiled(Client *c, int monitor) {
1211 for(; c && (c->isfloating || !isvisible(c, monitor)); c = c->next);
1216 propertynotify(XEvent *e) {
1219 XPropertyEvent *ev = &e->xproperty;
1221 if(ev->state == PropertyDelete)
1222 return; /* ignore */
1223 if((c = getclient(ev->window))) {
1226 case XA_WM_TRANSIENT_FOR:
1227 XGetTransientForHint(dpy, c->win, &trans);
1228 if(!c->isfloating && (c->isfloating = (getclient(trans) != NULL)))
1231 case XA_WM_NORMAL_HINTS:
1239 if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
1248 quit(const char *arg) {
1249 readin = running = False;
1253 reapply(const char *arg) {
1254 static Bool zerotags[LENGTH(tags)] = { 0 };
1257 for(c = clients; c; c = c->next) {
1258 memcpy(c->tags, zerotags, sizeof zerotags);
1265 resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
1267 //Monitor scr = monitors[monitorat()];
1268 // c->monitor = monitorat();
1271 /* set minimum possible */
1277 /* temporarily remove base dimensions */
1281 /* adjust for aspect limits */
1282 if (c->minay > 0 && c->maxay > 0 && c->minax > 0 && c->maxax > 0) {
1283 if (w * c->maxay > h * c->maxax)
1284 w = h * c->maxax / c->maxay;
1285 else if (w * c->minay < h * c->minax)
1286 h = w * c->minay / c->minax;
1289 /* adjust for increment value */
1295 /* restore base dimensions */
1299 if(c->minw > 0 && w < c->minw)
1301 if(c->minh > 0 && h < c->minh)
1303 if(c->maxw > 0 && w > c->maxw)
1305 if(c->maxh > 0 && h > c->maxh)
1308 if(w <= 0 || h <= 0)
1310 /* TODO: offscreen appearance fixes */
1313 x = scr.sw - w - 2 * c->border;
1315 y = scr.sh - h - 2 * c->border;
1316 if(x + w + 2 * c->border < scr.sx)
1318 if(y + h + 2 * c->border < scr.sy)
1321 if(c->x != x || c->y != y || c->w != w || c->h != h) {
1324 c->w = wc.width = w;
1325 c->h = wc.height = h;
1326 wc.border_width = c->border;
1327 XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
1334 resizemouse(Client *c) {
1342 m = &monitors[c->monitor];
1343 if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
1344 None, cursor[CurResize], CurrentTime) != GrabSuccess)
1346 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->border - 1, c->h + c->border - 1);
1348 XMaskEvent(dpy, MOUSEMASK | ExposureMask | SubstructureRedirectMask , &ev);
1351 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0,
1352 c->w + c->border - 1, c->h + c->border - 1);
1353 XUngrabPointer(dpy, CurrentTime);
1354 while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
1356 case ConfigureRequest:
1359 handler[ev.type](&ev);
1363 if((nw = ev.xmotion.x - ocx - 2 * c->border + 1) <= 0)
1365 if((nh = ev.xmotion.y - ocy - 2 * c->border + 1) <= 0)
1367 if((m->layout->arrange != floating) && (abs(nw - c->w) > SNAP || abs(nh - c->h) > SNAP))
1368 togglefloating(NULL);
1369 if((m->layout->arrange == floating) || c->isfloating)
1370 resize(c, c->x, c->y, nw, nh, True);
1386 if(sel->isfloating || (monitors[selmonitor].layout->arrange == floating))
1387 XRaiseWindow(dpy, sel->win);
1388 if(monitors[selmonitor].layout->arrange != floating) {
1389 wc.stack_mode = Below;
1390 wc.sibling = monitors[selmonitor].barwin;
1391 if(!sel->isfloating) {
1392 XConfigureWindow(dpy, sel->win, CWSibling | CWStackMode, &wc);
1393 wc.sibling = sel->win;
1395 for(i = 0; i < mcount; i++) {
1396 for(c = nexttiled(clients, i); c; c = nexttiled(c->next, i)) {
1399 XConfigureWindow(dpy, c->win, CWSibling | CWStackMode, &wc);
1400 wc.sibling = c->win;
1405 while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
1411 char buf[sizeof stext];
1414 unsigned int len, offset;
1417 /* main event loop, also reads status text from stdin */
1419 xfd = ConnectionNumber(dpy);
1422 len = sizeof stext - 1;
1423 buf[len] = stext[len] = '\0'; /* 0-terminator is never touched */
1427 FD_SET(STDIN_FILENO, &rd);
1429 if(select(xfd + 1, &rd, NULL, NULL, NULL) == -1) {
1432 eprint("select failed\n");
1434 if(FD_ISSET(STDIN_FILENO, &rd)) {
1435 switch((r = read(STDIN_FILENO, buf + offset, len - offset))) {
1437 strncpy(stext, strerror(errno), len);
1441 strncpy(stext, "EOF", 4);
1445 for(p = buf + offset; r > 0; p++, r--, offset++)
1446 if(*p == '\n' || *p == '\0') {
1448 strncpy(stext, buf, len);
1449 p += r - 1; /* p is buf + offset + r - 1 */
1450 for(r = 0; *(p - r) && *(p - r) != '\n'; r++);
1453 memmove(buf, p - r + 1, r);
1460 while(XPending(dpy)) {
1461 XNextEvent(dpy, &ev);
1462 if(handler[ev.type])
1463 (handler[ev.type])(&ev); /* call handler */
1470 unsigned int i, num;
1471 Window *wins, d1, d2;
1472 XWindowAttributes wa;
1475 if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
1476 for(i = 0; i < num; i++) {
1477 if(!XGetWindowAttributes(dpy, wins[i], &wa)
1478 || wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
1480 if(wa.map_state == IsViewable || getstate(wins[i]) == IconicState)
1481 manage(wins[i], &wa);
1483 for(i = 0; i < num; i++) { /* now the transients */
1484 if(!XGetWindowAttributes(dpy, wins[i], &wa))
1486 if(XGetTransientForHint(dpy, wins[i], &d1)
1487 && (wa.map_state == IsViewable || getstate(wins[i]) == IconicState))
1488 manage(wins[i], &wa);
1496 setclientstate(Client *c, long state) {
1497 long data[] = {state, None};
1499 XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
1500 PropModeReplace, (unsigned char *)data, 2);
1504 setlayout(const char *arg) {
1506 Monitor *m = &monitors[monitorat()];
1510 if(m->layout == &layouts[LENGTH(layouts)])
1511 m->layout = &layouts[0];
1514 for(i = 0; i < LENGTH(layouts); i++)
1515 if(!strcmp(arg, layouts[i].symbol))
1517 if(i == LENGTH(layouts))
1519 m->layout = &layouts[i];
1528 setmwfact(const char *arg) {
1531 Monitor *m = &monitors[monitorat()];
1535 /* arg handling, manipulate mwfact */
1538 else if(sscanf(arg, "%lf", &delta) == 1) {
1539 if(arg[0] == '+' || arg[0] == '-')
1545 else if(m->mwfact > 0.9)
1555 XSetWindowAttributes wa;
1556 XineramaScreenInfo *info = NULL;
1559 wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
1560 wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
1561 wmatom[WMName] = XInternAtom(dpy, "WM_NAME", False);
1562 wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False);
1563 netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
1564 netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
1567 wa.cursor = cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
1568 cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
1569 cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
1571 // init screens/monitors first
1573 if((isxinerama = XineramaIsActive(dpy)))
1574 info = XineramaQueryScreens(dpy, &mcount);
1575 monitors = emallocz(mcount * sizeof(Monitor));
1577 screen = DefaultScreen(dpy);
1578 root = RootWindow(dpy, screen);
1580 /* init appearance */
1581 dc.norm[ColBorder] = getcolor(NORMBORDERCOLOR);
1582 dc.norm[ColBG] = getcolor(NORMBGCOLOR);
1583 dc.norm[ColFG] = getcolor(NORMFGCOLOR);
1584 dc.sel[ColBorder] = getcolor(SELBORDERCOLOR);
1585 dc.sel[ColBG] = getcolor(SELBGCOLOR);
1586 dc.sel[ColFG] = getcolor(SELFGCOLOR);
1588 dc.h = bh = dc.font.height + 2;
1589 dc.drawable = XCreatePixmap(dpy, root, DisplayWidth(dpy, screen), bh, DefaultDepth(dpy, screen));
1590 dc.gc = XCreateGC(dpy, root, 0, 0);
1591 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
1593 XSetFont(dpy, dc.gc, dc.font.xfont->fid);
1595 for(blw = i = 0; i < LENGTH(layouts); i++) {
1596 i = textw(layouts[i].symbol);
1600 for(i = 0; i < mcount; i++) {
1604 if (mcount != 1 && isxinerama) {
1605 m->sx = info[i].x_org;
1606 m->sy = info[i].y_org;
1607 m->sw = info[i].width;
1608 m->sh = info[i].height;
1609 fprintf(stderr, "monitor[%d]: %d,%d,%d,%d\n", i, m->sx, m->sy, m->sw, m->sh);
1614 m->sw = DisplayWidth(dpy, screen);
1615 m->sh = DisplayHeight(dpy, screen);
1618 m->seltags = emallocz(sizeof initags);
1619 m->prevtags = emallocz(sizeof initags);
1621 memcpy(m->seltags, initags, sizeof initags);
1622 memcpy(m->prevtags, initags, sizeof initags);
1626 m->layout = &layouts[0];
1628 // TODO: bpos per screen?
1630 wa.override_redirect = 1;
1631 wa.background_pixmap = ParentRelative;
1632 wa.event_mask = ButtonPressMask | ExposureMask;
1635 m->barwin = XCreateWindow(dpy, root, m->sx, m->sy, m->sw, bh, 0,
1636 DefaultDepth(dpy, screen), CopyFromParent, DefaultVisual(dpy, screen),
1637 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
1638 XDefineCursor(dpy, m->barwin, cursor[CurNormal]);
1640 XMapRaised(dpy, m->barwin);
1641 strcpy(stext, "dwm-"VERSION);
1643 /* EWMH support per monitor */
1644 XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
1645 PropModeReplace, (unsigned char *) netatom, NetLast);
1647 /* select for events */
1648 wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask
1649 | EnterWindowMask | LeaveWindowMask | StructureNotifyMask;
1650 XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
1651 XSelectInput(dpy, root, wa.event_mask);
1662 selmonitor = monitorat();
1663 fprintf(stderr, "selmonitor == %d\n", selmonitor);
1667 spawn(const char *arg) {
1668 static char *shell = NULL;
1670 if(!shell && !(shell = getenv("SHELL")))
1674 /* The double-fork construct avoids zombie processes and keeps the code
1675 * clean from stupid signal handlers. */
1679 close(ConnectionNumber(dpy));
1681 execl(shell, shell, "-c", arg, (char *)NULL);
1682 fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg);
1691 tag(const char *arg) {
1696 for(i = 0; i < LENGTH(tags); i++)
1697 sel->tags[i] = (NULL == arg);
1698 sel->tags[idxoftag(arg)] = True;
1703 textnw(const char *text, unsigned int len) {
1707 XmbTextExtents(dc.font.set, text, len, NULL, &r);
1710 return XTextWidth(dc.font.xfont, text, len);
1714 textw(const char *text) {
1715 return textnw(text, strlen(text)) + dc.font.height;
1720 unsigned int i, j, n, nx, ny, nw, nh, mw, th;
1723 domwfact = dozoom = True;
1725 nx = ny = nw = 0; /* gcc stupidity requires this */
1727 for (i = 0; i < mcount; i++) {
1728 Monitor *m = &monitors[i];
1730 for(n = 0, c = nexttiled(clients, i); c; c = nexttiled(c->next, i))
1734 mw = (n == 1) ? m->waw : m->mwfact * m->waw;
1735 th = (n > 1) ? m->wah / (n - 1) : 0;
1736 if(n > 1 && th < bh)
1739 for(j = 0, c = mc = nexttiled(clients, i); c; c = nexttiled(c->next, i)) {
1740 if(j == 0) { /* master */
1743 nw = mw - 2 * c->border;
1744 nh = m->wah - 2 * c->border;
1746 else { /* tile window */
1749 nx += mc->w + 2 * mc->border;
1750 nw = m->waw - mw - 2 * c->border;
1752 if(j + 1 == n) /* remainder */
1753 nh = (m->way + m->wah) - ny - 2 * c->border;
1755 nh = th - 2 * c->border;
1757 fprintf(stderr, "tile(%d, %d, %d, %d)\n", nx, ny, nw, nh);
1758 resize(c, nx, ny, nw, nh, RESIZEHINTS);
1759 if((RESIZEHINTS) && ((c->h < bh) || (c->h > nh) || (c->w < bh) || (c->w > nw)))
1760 /* client doesn't accept size constraints */
1761 resize(c, nx, ny, nw, nh, False);
1762 if(n > 1 && th != m->wah)
1763 ny = c->y + c->h + 2 * c->border;
1768 fprintf(stderr, "done\n");
1771 togglebar(const char *arg) {
1773 bpos = (BARPOS == BarOff) ? BarTop : BARPOS;
1776 updatebarpos(&monitors[monitorat()]);
1781 togglefloating(const char *arg) {
1784 sel->isfloating = !sel->isfloating;
1786 resize(sel, sel->x, sel->y, sel->w, sel->h, True);
1791 toggletag(const char *arg) {
1797 sel->tags[i] = !sel->tags[i];
1798 for(j = 0; j < LENGTH(tags) && !sel->tags[j]; j++);
1799 if(j == LENGTH(tags))
1800 sel->tags[i] = True; /* at least one tag must be enabled */
1805 toggleview(const char *arg) {
1808 Monitor *m = &monitors[monitorat()];
1811 m->seltags[i] = !m->seltags[i];
1812 for(j = 0; j < LENGTH(tags) && !m->seltags[j]; j++);
1813 if(j == LENGTH(tags))
1814 m->seltags[i] = True; /* at least one tag must be viewed */
1822 XMoveWindow(dpy, c->win, c->x, c->y);
1823 c->isbanned = False;
1827 unmanage(Client *c) {
1830 wc.border_width = c->oldborder;
1831 /* The server grab construct avoids race conditions. */
1833 XSetErrorHandler(xerrordummy);
1834 XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */
1839 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
1840 setclientstate(c, WithdrawnState);
1844 XSetErrorHandler(xerror);
1850 unmapnotify(XEvent *e) {
1852 XUnmapEvent *ev = &e->xunmap;
1854 if((c = getclient(ev->window)))
1859 updatebarpos(Monitor *m) {
1870 XMoveWindow(dpy, m->barwin, m->sx, m->sy);
1874 XMoveWindow(dpy, m->barwin, m->sx, m->sy + m->wah);
1877 XMoveWindow(dpy, m->barwin, m->sx, m->sy - bh);
1881 while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
1885 updatesizehints(Client *c) {
1889 if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
1891 c->flags = size.flags;
1892 if(c->flags & PBaseSize) {
1893 c->basew = size.base_width;
1894 c->baseh = size.base_height;
1896 else if(c->flags & PMinSize) {
1897 c->basew = size.min_width;
1898 c->baseh = size.min_height;
1901 c->basew = c->baseh = 0;
1902 if(c->flags & PResizeInc) {
1903 c->incw = size.width_inc;
1904 c->inch = size.height_inc;
1907 c->incw = c->inch = 0;
1908 if(c->flags & PMaxSize) {
1909 c->maxw = size.max_width;
1910 c->maxh = size.max_height;
1913 c->maxw = c->maxh = 0;
1914 if(c->flags & PMinSize) {
1915 c->minw = size.min_width;
1916 c->minh = size.min_height;
1918 else if(c->flags & PBaseSize) {
1919 c->minw = size.base_width;
1920 c->minh = size.base_height;
1923 c->minw = c->minh = 0;
1924 if(c->flags & PAspect) {
1925 c->minax = size.min_aspect.x;
1926 c->maxax = size.max_aspect.x;
1927 c->minay = size.min_aspect.y;
1928 c->maxay = size.max_aspect.y;
1931 c->minax = c->maxax = c->minay = c->maxay = 0;
1932 c->isfixed = (c->maxw && c->minw && c->maxh && c->minh
1933 && c->maxw == c->minw && c->maxh == c->minh);
1937 updatetitle(Client *c) {
1938 if(!gettextprop(c->win, netatom[NetWMName], c->name, sizeof c->name))
1939 gettextprop(c->win, wmatom[WMName], c->name, sizeof c->name);
1943 updatewmhints(Client *c) {
1946 if((wmh = XGetWMHints(dpy, c->win))) {
1947 c->isurgent = (wmh->flags & XUrgencyHint) ? True : False;
1952 /* There's no way to check accesses to destroyed windows, thus those cases are
1953 * ignored (especially on UnmapNotify's). Other types of errors call Xlibs
1954 * default error handler, which may call exit. */
1956 xerror(Display *dpy, XErrorEvent *ee) {
1957 if(ee->error_code == BadWindow
1958 || (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch)
1959 || (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable)
1960 || (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable)
1961 || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable)
1962 || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch)
1963 || (ee->request_code == X_GrabKey && ee->error_code == BadAccess)
1964 || (ee->request_code == X_CopyArea && ee->error_code == BadDrawable))
1966 fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",
1967 ee->request_code, ee->error_code);
1968 return xerrorxlib(dpy, ee); /* may call exit */
1972 xerrordummy(Display *dsply, XErrorEvent *ee) {
1976 /* Startup Error handler to check if another window manager
1977 * is already running. */
1979 xerrorstart(Display *dsply, XErrorEvent *ee) {
1985 view(const char *arg) {
1987 Bool tmp[LENGTH(tags)];
1988 Monitor *m = &monitors[monitorat()];
1990 for(i = 0; i < LENGTH(tags); i++)
1991 tmp[i] = (NULL == arg);
1992 tmp[idxoftag(arg)] = True;
1993 if(memcmp(m->seltags, tmp, sizeof initags) != 0) {
1994 memcpy(m->prevtags, m->seltags, sizeof initags);
1995 memcpy(m->seltags, tmp, sizeof initags);
2001 viewprevtag(const char *arg) {
2002 static Bool tmp[LENGTH(tags)];
2004 Monitor *m = &monitors[monitorat()];
2006 memcpy(tmp, m->seltags, sizeof initags);
2007 memcpy(m->seltags, m->prevtags, sizeof initags);
2008 memcpy(m->prevtags, tmp, sizeof initags);
2013 zoom(const char *arg) {
2016 if(!sel || !dozoom || sel->isfloating)
2018 if((c = sel) == nexttiled(clients, c->monitor))
2019 if(!(c = nexttiled(c->next, c->monitor)))
2028 movetomonitor(const char *arg) {
2030 sel->monitor = arg ? atoi(arg) : (sel->monitor+1) % mcount;
2032 memcpy(sel->tags, monitors[sel->monitor].seltags, sizeof initags);
2033 resize(sel, monitors[sel->monitor].wax, monitors[sel->monitor].way, sel->w, sel->h, True);
2039 selectmonitor(const char *arg) {
2040 Monitor *m = &monitors[arg ? atoi(arg) : (monitorat()+1) % mcount];
2042 XWarpPointer(dpy, None, root, 0, 0, 0, 0, m->wax+m->waw/2, m->way+m->wah/2);
2048 main(int argc, char *argv[]) {
2049 if(argc == 2 && !strcmp("-v", argv[1]))
2050 eprint("dwm-"VERSION", © 2006-2007 Anselm R. Garbe, Sander van Dijk, "
2051 "Jukka Salmi, Premysl Hruby, Szabolcs Nagy, Christof Musik\n");
2053 eprint("usage: dwm [-v]\n");
2055 setlocale(LC_CTYPE, "");
2056 if(!(dpy = XOpenDisplay(0)))
2057 eprint("dwm: cannot open display\n");