/* enums */
enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
enum { ColBorder, ColFG, ColBG, ColLast }; /* color */
-enum { NetSupported, NetWMName, NetLast }; /* EWMH atoms */
+enum { NetSupported, NetWMName, NetWMState,
+ NetWMFullscreen, NetLast }; /* EWMH atoms */
enum { WMProtocols, WMDelete, WMState, WMLast }; /* default atoms */
enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
ClkClientWin, ClkRootWin, ClkLast }; /* clicks */
} Layout;
struct Monitor {
+ char ltsymbol[16];
float mfact;
int num;
int by; /* bar geometry */
/* function declarations */
static void applyrules(Client *c);
static Bool applysizehints(Client *c, int *x, int *y, int *w, int *h, Bool interact);
-static void arrange(void);
+static void arrange(Monitor *m);
+static void arrangemon(Monitor *m);
static void attach(Client *c);
static void attachstack(Client *c);
static void buttonpress(XEvent *e);
static void checkotherwm(void);
static void cleanup(void);
-static void cleanupmons(void);
+static void cleanupmon(Monitor *mon);
static void clearurgent(Client *c);
+static void clientmessage(XEvent *e);
static void configure(Client *c);
static void configurenotify(XEvent *e);
static void configurerequest(XEvent *e);
+static Monitor *createmon(void);
static void destroynotify(XEvent *e);
static void detach(Client *c);
static void detachstack(Client *c);
static void setmfact(const Arg *arg);
static void setup(void);
static void showhide(Client *c);
-static void sigchld(int signal);
+static void sigchld(int unused);
static void spawn(const Arg *arg);
static void tag(const Arg *arg);
static void tagmon(const Arg *arg);
static void toggletag(const Arg *arg);
static void toggleview(const Arg *arg);
static void unfocus(Client *c);
-static void unmanage(Client *c);
+static void unmanage(Client *c, Bool destroyed);
static void unmapnotify(XEvent *e);
-static void updategeom(void);
+static Bool updategeom(void);
static void updatebarpos(Monitor *m);
static void updatebars(void);
static void updatenumlockmask(void);
/* variables */
static const char broken[] = "broken";
-static char stext[256], ntext[8];
+static char stext[256];
static int screen;
static int sw, sh; /* X display screen geometry width, height */
static int bh, blw = 0; /* bar geometry */
static unsigned int numlockmask = 0;
static void (*handler[LASTEvent]) (XEvent *) = {
[ButtonPress] = buttonpress,
+ [ClientMessage] = clientmessage,
[ConfigureRequest] = configurerequest,
[ConfigureNotify] = configurenotify,
[DestroyNotify] = destroynotify,
/* adjust for aspect limits */
if(c->mina > 0 && c->maxa > 0) {
if(c->maxa < (float)*w / *h)
- *w = *h * c->maxa + 0.5; /* -Os double upcast workaround */
+ *w = *h * c->maxa + 0.5;
else if(c->mina < (float)*h / *w)
- *h = *w * c->mina + 0.5; /* -Os double upcast workaround */
+ *h = *w * c->mina + 0.5;
}
if(baseismin) { /* increment calculation requires this */
*w -= c->basew;
}
void
-arrange(void) {
- Monitor *m;
-
- for(m = mons; m; m = m->next)
+arrange(Monitor *m) {
+ if(m)
+ showhide(m->stack);
+ else for(m = mons; m; m = m->next)
showhide(m->stack);
focus(NULL);
- for(m = mons; m; m = m->next) {
- if(m->lt[m->sellt]->arrange)
- m->lt[m->sellt]->arrange(m);
- restack(m);
- }
+ if(m)
+ arrangemon(m);
+ else for(m = mons; m; m = m->next)
+ arrangemon(m);
+}
+
+void
+arrangemon(Monitor *m) {
+ strncpy(m->ltsymbol, m->lt[m->sellt]->symbol, sizeof m->ltsymbol);
+ if(m->lt[m->sellt]->arrange)
+ m->lt[m->sellt]->arrange(m);
+ restack(m);
}
void
selmon->lt[selmon->sellt] = &foo;
for(m = mons; m; m = m->next)
while(m->stack)
- unmanage(m->stack);
+ unmanage(m->stack, False);
if(dc.font.set)
XFreeFontSet(dpy, dc.font.set);
else
XFreeCursor(dpy, cursor[CurNormal]);
XFreeCursor(dpy, cursor[CurResize]);
XFreeCursor(dpy, cursor[CurMove]);
- cleanupmons();
+ while(mons)
+ cleanupmon(mons);
XSync(dpy, False);
XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
}
void
-cleanupmons(void) {
+cleanupmon(Monitor *mon) {
Monitor *m;
- while(mons) {
- m = mons->next;
- XUnmapWindow(dpy, mons->barwin);
- XDestroyWindow(dpy, mons->barwin);
- free(mons);
- mons = m;
+ if(mon == mons)
+ mons = mons->next;
+ else {
+ for(m = mons; m && m->next != mon; m = m->next);
+ m->next = mon->next;
}
+ XUnmapWindow(dpy, mon->barwin);
+ XDestroyWindow(dpy, mon->barwin);
+ free(mon);
}
void
Monitor *m;
XConfigureEvent *ev = &e->xconfigure;
- if(ev->window == root && (ev->width != sw || ev->height != sh)) {
+ if(ev->window == root) {
sw = ev->width;
sh = ev->height;
- updategeom();
- if(dc.drawable != 0)
- XFreePixmap(dpy, dc.drawable);
- dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
- updatebars();
- for(m = mons; m; m = m->next)
- XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh);
- arrange();
+ if(updategeom()) {
+ if(dc.drawable != 0)
+ XFreePixmap(dpy, dc.drawable);
+ dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
+ updatebars();
+ for(m = mons; m; m = m->next)
+ XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh);
+ arrange(NULL);
+ }
}
}
c->w = ev->width;
if(ev->value_mask & CWHeight)
c->h = ev->height;
- if((c->x - m->mx + c->w) > m->mw && c->isfloating)
+ if((c->x + c->w) > m->mx + m->mw && c->isfloating)
c->x = m->mx + (m->mw / 2 - c->w / 2); /* center in x direction */
- if((c->y - m->my + c->h) > m->mh && c->isfloating)
+ if((c->y + c->h) > m->my + m->mh && c->isfloating)
c->y = m->my + (m->mh / 2 - c->h / 2); /* center in y direction */
if((ev->value_mask & (CWX|CWY)) && !(ev->value_mask & (CWWidth|CWHeight)))
configure(c);
XSync(dpy, False);
}
+Monitor *
+createmon(void) {
+ Monitor *m;
+
+ if(!(m = (Monitor *)calloc(1, sizeof(Monitor))))
+ die("fatal: could not malloc() %u bytes\n", sizeof(Monitor));
+ m->tagset[0] = m->tagset[1] = 1;
+ m->mfact = mfact;
+ m->showbar = showbar;
+ m->topbar = topbar;
+ m->lt[0] = &layouts[0];
+ m->lt[1] = &layouts[1 % LENGTH(layouts)];
+ strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol);
+ return m;
+}
+
void
destroynotify(XEvent *e) {
Client *c;
XDestroyWindowEvent *ev = &e->xdestroywindow;
if((c = wintoclient(ev->window)))
- unmanage(c);
+ unmanage(c, True);
}
void
void
drawbar(Monitor *m) {
int x;
- unsigned int i, n = 0, occ = 0, urg = 0;
+ unsigned int i, occ = 0, urg = 0;
unsigned long *col;
Client *c;
for(c = m->clients; c; c = c->next) {
- if(ISVISIBLE(c))
- n++;
occ |= c->tags;
if(c->isurgent)
urg |= c->tags;
occ & 1 << i, urg & 1 << i, col);
dc.x += dc.w;
}
- if(blw > 0) {
- dc.w = blw;
- drawtext(m->lt[m->sellt]->symbol, dc.norm, False);
- dc.x += dc.w;
- }
- snprintf(ntext, sizeof ntext, "%u", n);
- dc.w = TEXTW(ntext);
- drawtext(ntext, dc.norm, False);
- x = (dc.x += dc.w);
+ dc.w = blw = TEXTW(m->ltsymbol);
+ drawtext(m->ltsymbol, dc.norm, False);
+ dc.x += dc.w;
+ x = dc.x;
if(m == selmon) { /* status is only drawn on selected monitor */
dc.w = TEXTW(stext);
dc.x = m->ww - dc.w;
if(!mons->next)
return;
- m = dirtomon(arg->i);
+ if((m = dirtomon(arg->i)) == selmon)
+ return;
unfocus(selmon->sel);
selmon = m;
focus(NULL);
return ret;
}
+#ifdef XINERAMA
+static Bool
+isuniquegeom(XineramaScreenInfo *unique, size_t len, XineramaScreenInfo *info) {
+ unsigned int i;
+
+ for(i = 0; i < len; i++)
+ if(unique[i].x_org == info->x_org && unique[i].y_org == info->y_org
+ && unique[i].width == info->width && unique[i].height == info->height)
+ return False;
+ return True;
+}
+#endif /* XINERAMA */
+
void
keypress(XEvent *e) {
unsigned int i;
ev.xclient.data.l[1] = CurrentTime;
XSendEvent(dpy, selmon->sel->win, False, NoEventMask, &ev);
}
- else
+ else {
+ XGrabServer(dpy);
+ XSetErrorHandler(xerrordummy);
+ XSetCloseDownMode(dpy, DestroyAll);
XKillClient(dpy, selmon->sel->win);
+ XSync(dpy, False);
+ XSetErrorHandler(xerror);
+ XUngrabServer(dpy);
+ }
}
void
XMoveResizeWindow(dpy, c->win, c->x + 2 * sw, c->y, c->w, c->h); /* some windows require this */
XMapWindow(dpy, c->win);
setclientstate(c, NormalState);
- arrange();
+ arrange(c->mon);
}
void
void
monocle(Monitor *m) {
+ unsigned int n = 0;
Client *c;
+ for(c = m->clients; c; c = c->next)
+ if(ISVISIBLE(c))
+ n++;
+ if(n > 0) /* override layout symbol */
+ snprintf(m->ltsymbol, sizeof m->ltsymbol, "[%d]", n);
for(c = nexttiled(m->clients); c; c = nexttiled(c->next))
resize(c, m->wx, m->wy, m->ww - 2 * c->bw, m->wh - 2 * c->bw, False);
}
case XA_WM_TRANSIENT_FOR:
XGetTransientForHint(dpy, c->win, &trans);
if(!c->isfloating && (c->isfloating = (wintoclient(trans) != NULL)))
- arrange();
+ arrange(c->mon);
break;
case XA_WM_NORMAL_HINTS:
updatesizehints(c);
}
if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
updatetitle(c);
- if(c == selmon->sel)
- drawbars();
+ if(c == c->mon->sel)
+ drawbar(c->mon);
}
}
}
+void
+clientmessage(XEvent *e) {
+ XClientMessageEvent *cme = &e->xclient;
+
+ if(cme->message_type == netatom[NetWMState] && cme->data.l[1] == netatom[NetWMFullscreen]) {
+ if(cme->data.l[0])
+ XChangeProperty(dpy, cme->window, netatom[NetWMState], XA_ATOM, 32,
+ PropModeReplace, (unsigned char*)&netatom[NetWMFullscreen], 1);
+ else
+ XChangeProperty(dpy, cme->window, netatom[NetWMState], XA_ATOM, 32,
+ PropModeReplace, (unsigned char*)0, 0);
+ }
+}
+
void
quit(const Arg *arg) {
running = False;
XEvent ev;
XWindowChanges wc;
- drawbars();
+ drawbar(m);
if(!m->sel)
return;
if(m->sel->isfloating || !m->lt[m->sellt]->arrange)
void
run(void) {
XEvent ev;
-
/* main event loop */
XSync(dpy, False);
- while(running && !XNextEvent(dpy, &ev))
+ while(running && !XNextEvent(dpy, &ev)) {
if(handler[ev.type])
handler[ev.type](&ev); /* call handler */
+ }
}
void
attach(c);
attachstack(c);
focus(NULL);
- arrange();
+ arrange(NULL);
}
void
selmon->sellt ^= 1;
if(arg && arg->v)
selmon->lt[selmon->sellt] = (Layout *)arg->v;
+ strncpy(selmon->ltsymbol, selmon->lt[selmon->sellt]->symbol, sizeof selmon->ltsymbol);
if(selmon->sel)
- arrange();
+ arrange(selmon);
else
- drawbars();
+ drawbar(selmon);
}
/* arg > 1.0 will set mfact absolutly */
if(f < 0.1 || f > 0.9)
return;
selmon->mfact = f;
- arrange();
+ arrange(selmon);
}
void
setup(void) {
- unsigned int i;
- int w;
XSetWindowAttributes wa;
+ /* clean up any zombies immediately */
+ sigchld(0);
+
/* init screen */
screen = DefaultScreen(dpy);
root = RootWindow(dpy, screen);
wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False);
netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
+ netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False);
+ netatom[NetWMFullscreen] = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False);
/* init cursors */
cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
if(!dc.font.set)
XSetFont(dpy, dc.gc, dc.font.xfont->fid);
/* init bars */
- for(blw = i = 0; LENGTH(layouts) > 1 && i < LENGTH(layouts); i++) {
- w = TEXTW(layouts[i].symbol);
- blw = MAX(blw, w);
- }
updatebars();
updatestatus();
/* EWMH support per view */
void
-sigchld(int signal) {
+sigchld(int unused) {
+ if(signal(SIGCHLD, sigchld) == SIG_ERR)
+ die("Can't install SIGCHLD handler");
while(0 < waitpid(-1, NULL, WNOHANG));
}
void
spawn(const Arg *arg) {
- signal(SIGCHLD, sigchld);
if(fork() == 0) {
if(dpy)
close(ConnectionNumber(dpy));
tag(const Arg *arg) {
if(selmon->sel && arg->ui & TAGMASK) {
selmon->sel->tags = arg->ui & TAGMASK;
- arrange();
+ arrange(selmon);
}
}
selmon->showbar = !selmon->showbar;
updatebarpos(selmon);
XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh);
- arrange();
+ arrange(selmon);
}
void
if(selmon->sel->isfloating)
resize(selmon->sel, selmon->sel->x, selmon->sel->y,
selmon->sel->w, selmon->sel->h, False);
- arrange();
+ arrange(selmon);
}
void
toggletag(const Arg *arg) {
- unsigned int mask;
+ unsigned int newtags;
if(!selmon->sel)
return;
- mask = selmon->sel->tags ^ (arg->ui & TAGMASK);
- if(mask) {
- selmon->sel->tags = mask;
- arrange();
+ newtags = selmon->sel->tags ^ (arg->ui & TAGMASK);
+ if(newtags) {
+ selmon->sel->tags = newtags;
+ arrange(selmon);
}
}
void
toggleview(const Arg *arg) {
- unsigned int mask = selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK);
+ unsigned int newtagset = selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK);
- if(mask) {
- selmon->tagset[selmon->seltags] = mask;
- arrange();
+ if(newtagset) {
+ selmon->tagset[selmon->seltags] = newtagset;
+ arrange(selmon);
}
}
}
void
-unmanage(Client *c) {
+unmanage(Client *c, Bool destroyed) {
+ Monitor *m = c->mon;
XWindowChanges wc;
- wc.border_width = c->oldbw;
/* The server grab construct avoids race conditions. */
- XGrabServer(dpy);
- XSetErrorHandler(xerrordummy);
- XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */
detach(c);
detachstack(c);
- XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
- setclientstate(c, WithdrawnState);
+ if(!destroyed) {
+ wc.border_width = c->oldbw;
+ XGrabServer(dpy);
+ XSetErrorHandler(xerrordummy);
+ XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */
+ XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
+ setclientstate(c, WithdrawnState);
+ XSync(dpy, False);
+ XSetErrorHandler(xerror);
+ XUngrabServer(dpy);
+ }
free(c);
- XSync(dpy, False);
- XSetErrorHandler(xerror);
- XUngrabServer(dpy);
focus(NULL);
- arrange();
+ arrange(m);
}
void
XUnmapEvent *ev = &e->xunmap;
if((c = wintoclient(ev->window)))
- unmanage(c);
+ unmanage(c, False);
}
void
m->by = -bh;
}
-void
+Bool
updategeom(void) {
- int i, n = 1;
- Client *c;
- Monitor *newmons = NULL, *m = NULL, *tm;
-
-#ifdef XINERAMA
- XineramaScreenInfo *info = NULL;
+ Bool dirty = False;
- if(XineramaIsActive(dpy))
- info = XineramaQueryScreens(dpy, &n);
-#endif /* XINERAMA */
- /* allocate monitor(s) for the new geometry setup */
- for(i = 0; i < n; i++) {
- if(!(m = (Monitor *)malloc(sizeof(Monitor))))
- die("fatal: could not malloc() %u bytes\n", sizeof(Monitor));
- m->next = newmons;
- newmons = m;
- }
- /* initialise monitor(s) */
#ifdef XINERAMA
if(XineramaIsActive(dpy)) {
- for(i = 0, m = newmons; m; m = m->next, i++) {
- m->num = info[i].screen_number;
- m->mx = m->wx = info[i].x_org;
- m->my = m->wy = info[i].y_org;
- m->mw = m->ww = info[i].width;
- m->mh = m->wh = info[i].height;
- }
+ int i, j, n, nn;
+ Client *c;
+ Monitor *m;
+ XineramaScreenInfo *info = XineramaQueryScreens(dpy, &nn);
+ XineramaScreenInfo *unique = NULL;
+
+ info = XineramaQueryScreens(dpy, &nn);
+ for(n = 0, m = mons; m; m = m->next, n++);
+ /* only consider unique geometries as separate screens */
+ if(!(unique = (XineramaScreenInfo *)malloc(sizeof(XineramaScreenInfo) * nn)))
+ die("fatal: could not malloc() %u bytes\n", sizeof(XineramaScreenInfo) * nn);
+ for(i = 0, j = 0; i < nn; i++)
+ if(isuniquegeom(unique, j, &info[i]))
+ memcpy(&unique[j++], &info[i], sizeof(XineramaScreenInfo));
XFree(info);
+ nn = j;
+ if(n <= nn) {
+ for(i = 0; i < (nn - n); i++) { /* new monitors available */
+ for(m = mons; m && m->next; m = m->next);
+ if(m)
+ m->next = createmon();
+ else
+ mons = createmon();
+ }
+ for(i = 0, m = mons; i < nn && m; m = m->next, i++)
+ if(i >= n
+ || (unique[i].x_org != m->mx || unique[i].y_org != m->my
+ || unique[i].width != m->mw || unique[i].height != m->mh))
+ {
+ dirty = True;
+ m->num = i;
+ m->mx = m->wx = unique[i].x_org;
+ m->my = m->wy = unique[i].y_org;
+ m->mw = m->ww = unique[i].width;
+ m->mh = m->wh = unique[i].height;
+ updatebarpos(m);
+ }
+ }
+ else { /* less monitors available nn < n */
+ for(i = nn; i < n; i++) {
+ for(m = mons; m && m->next; m = m->next);
+ while(m->clients) {
+ dirty = True;
+ c = m->clients;
+ m->clients = c->next;
+ detachstack(c);
+ c->mon = mons;
+ attach(c);
+ attachstack(c);
+ }
+ if(m == selmon)
+ selmon = mons;
+ cleanupmon(m);
+ }
+ }
+ free(unique);
}
else
#endif /* XINERAMA */
/* default monitor setup */
{
- m->num = 0;
- m->mx = m->wx = 0;
- m->my = m->wy = 0;
- m->mw = m->ww = sw;
- m->mh = m->wh = sh;
- }
- /* bar geometry setup */
- for(m = newmons; m; m = m->next) {
- m->sel = m->stack = m->clients = NULL;
- m->seltags = 0;
- m->sellt = 0;
- m->tagset[0] = m->tagset[1] = 1;
- m->mfact = mfact;
- m->showbar = showbar;
- m->topbar = topbar;
- m->lt[0] = &layouts[0];
- m->lt[1] = &layouts[1 % LENGTH(layouts)];
- updatebarpos(m);
- }
- /* reassign left over clients of disappeared monitors */
- for(tm = mons; tm; tm = tm->next)
- while(tm->clients) {
- c = tm->clients;
- tm->clients = c->next;
- detachstack(c);
- c->mon = newmons;
- attach(c);
- attachstack(c);
+ if(!mons)
+ mons = createmon();
+ if(mons->mw != sw || mons->mh != sh) {
+ dirty = True;
+ mons->mw = mons->ww = sw;
+ mons->mh = mons->wh = sh;
+ updatebarpos(mons);
}
- /* select focused monitor */
- cleanupmons();
- selmon = mons = newmons;
- selmon = wintomon(root);
+ }
+ if(dirty) {
+ selmon = mons;
+ selmon = wintomon(root);
+ }
+ return dirty;
}
void
selmon->seltags ^= 1; /* toggle sel tagset */
if(arg->ui & TAGMASK)
selmon->tagset[selmon->seltags] = arg->ui & TAGMASK;
- arrange();
+ arrange(selmon);
}
Client *
detach(c);
attach(c);
focus(c);
- arrange();
+ arrange(c->mon);
}
int
main(int argc, char *argv[]) {
if(argc == 2 && !strcmp("-v", argv[1]))
- die("dwm-"VERSION", © 2006-2009 dwm engineers, see LICENSE for details\n");
+ die("dwm-"VERSION", © 2006-2010 dwm engineers, see LICENSE for details\n");
else if(argc != 1)
die("usage: dwm [-v]\n");
if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())