} Layout;
struct Monitor {
+ const char *ltsymbol;
float mfact;
int num;
int by; /* bar geometry */
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 */
showhide(m->stack);
focus(NULL);
for(m = mons; m; m = m->next) {
+ m->ltsymbol = m->lt[m->sellt]->symbol;
if(m->lt[m->sellt]->arrange)
m->lt[m->sellt]->arrange(m);
restack(m);
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
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();
+ }
}
}
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);
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;
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
void
monocle(Monitor *m) {
+ static char ntext[8];
+ 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(ntext, sizeof ntext, "[%d]", n);
+ m->ltsymbol = ntext;
+ }
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);
}
}
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
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);
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));
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;
+ newtags = selmon->sel->tags ^ (arg->ui & TAGMASK);
+ if(newtags) {
+ selmon->sel->tags = newtags;
arrange();
}
}
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;
+ if(newtagset) {
+ selmon->tagset[selmon->seltags] = newtagset;
arrange();
}
}
}
void
-unmanage(Client *c) {
+unmanage(Client *c, Bool destroyed) {
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();
}
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, nn;
+ int i, j, nn = 1, n = 1;
Client *c;
Monitor *newmons = NULL, *m = NULL, *tm;
#ifdef XINERAMA
XineramaScreenInfo *info = NULL;
+ Bool *flags = NULL;
if(XineramaIsActive(dpy))
info = XineramaQueryScreens(dpy, &n);
- for(i = 1, nn = n; i < n; i++)
- if(info[i - 1].x_org == info[i].x_org && info[i - 1].y_org == info[i].y_org
- && info[i - 1].width == info[i].width && info[i - 1].height == info[i].height)
- --nn;
- n = nn; /* we only consider unique geometrys as separate screens */
+ flags = (Bool *)malloc(sizeof(Bool) * n);
+ for(i = 0; i < n; i++)
+ flags[i] = False;
+ /* next double-loop seeks any combination of retrieved Xinerama info
+ * with existing monitors, this is used to avoid unnecessary
+ * re-allocations of monitor structs */
+ for(i = 0, nn = n; i < n; i++)
+ for(j = 0, m = mons; m; m = m->next, j++)
+ if(!flags[j]) {
+ if((flags[j] = (
+ info[i].x_org == m->mx
+ && info[i].y_org == m->my
+ && info[i].width == m->mw
+ && info[i].height == m->mh)
+ ))
+ --nn;
+ }
+ if(nn == 0) { /* no need to re-allocate monitors */
+ j = 0;
+ for(i = 0, m = mons; m; m = m->next, i++) {
+ m->num = info[i].screen_number;
+ if(info[i].x_org != m->mx
+ || info[i].y_org != m->my
+ || info[i].width != m->mw
+ || info[i].height != m->mh)
+ {
+ 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;
+ updatebarpos(m);
+ j++;
+ }
+ }
+ XFree(info);
+ free(flags);
+ return j > 0;
+ }
+ /* next algorithm only considers unique geometries as separate screens */
+ for(i = 0; i < n; i++)
+ flags[i] = False; /* used for ignoring certain monitors */
+ for(i = 0, nn = n; i < n; i++)
+ for(j = 0; j < n; j++)
+ if(i != j && !flags[i]) {
+ if((flags[i] = (
+ info[i].x_org == info[j].x_org
+ && info[i].y_org == info[j].y_org
+ && info[i].width == info[j].width
+ && info[i].height == info[j].height)
+ ))
+ --nn;
+ }
#endif /* XINERAMA */
/* allocate monitor(s) for the new geometry setup */
- for(i = 0; i < n; i++) {
+ for(i = 0; i < nn; i++) {
if(!(m = (Monitor *)malloc(sizeof(Monitor))))
die("fatal: could not malloc() %u bytes\n", sizeof(Monitor));
m->next = newmons;
/* 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;
+ for(i = 0, m = newmons; m && i < n; i++) {
+ if(!flags[i]) { /* only use screens that aren't dublettes */
+ 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;
+ m = m->next;
+ }
}
XFree(info);
+ free(flags);
}
else
#endif /* XINERAMA */
m->topbar = topbar;
m->lt[0] = &layouts[0];
m->lt[1] = &layouts[1 % LENGTH(layouts)];
+ m->ltsymbol = layouts[0].symbol;
updatebarpos(m);
}
/* reassign left over clients of disappeared monitors */
cleanupmons();
selmon = mons = newmons;
selmon = wintomon(root);
+ return True;
}
void
Got questions, comments, patches, etc.? Contact Jason Woofenden