+void
+lower(Client *c)
+{
+ XLowerWindow(dpy, c->title);
+ XLowerWindow(dpy, c->win);
+}
+
+void
+manage(Window w, XWindowAttributes *wa)
+{
+ int diff;
+ Client *c;
+ XSetWindowAttributes twa;
+ Window trans;
+
+ c = emallocz(sizeof(Client));
+ c->win = w;
+ c->bx = c->fx = c->tx = wa->x;
+ c->by = c->fy = c->ty = wa->y;
+ c->bw = c->fw = c->tw = wa->width;
+ c->fh = c->th = wa->height;
+ c->bh = bh;
+
+ diff = sw - c->fw;
+ c->fx = random() % (diff ? diff : 1);
+ diff = sh - c->fh - bh;
+ c->fy = random() % (diff ? diff : 1);
+
+ if(c->fy < bh)
+ c->by = c->fy = c->ty = bh;
+
+ c->border = 1;
+ c->proto = getproto(c->win);
+ setsize(c);
+ XSelectInput(dpy, c->win,
+ StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
+ XGetTransientForHint(dpy, c->win, &trans);
+ twa.override_redirect = 1;
+ twa.background_pixmap = ParentRelative;
+ twa.event_mask = ExposureMask;
+
+ c->title = XCreateWindow(dpy, root, c->bx, c->by, c->bw, c->bh,
+ 0, DefaultDepth(dpy, screen), CopyFromParent,
+ DefaultVisual(dpy, screen),
+ CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
+
+ settags(c);
+
+ c->next = clients;
+ clients = c;
+
+ XGrabButton(dpy, Button1, ControlMask, c->win, False, ButtonPressMask,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button1, Mod1Mask, c->win, False, ButtonPressMask,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button2, Mod1Mask, c->win, False, ButtonPressMask,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button3, Mod1Mask, c->win, False, ButtonPressMask,
+ GrabModeAsync, GrabModeSync, None, None);
+
+ if(!c->isfloat)
+ c->isfloat = trans
+ || ((c->maxw == c->minw) && (c->maxh == c->minh));
+
+ setgeom(c);
+ settitle(c);
+
+ arrange(NULL);
+
+ /* mapping the window now prevents flicker */
+ if(c->tags[tsel]) {
+ XMapRaised(dpy, c->win);
+ XMapRaised(dpy, c->title);
+ focus(c);
+ }
+ else {
+ ban(c);
+ XMapRaised(dpy, c->win);
+ XMapRaised(dpy, c->title);
+ XSync(dpy, False);
+ }
+}
+
+void
+maximize(Arg *arg)
+{
+ if(!sel)
+ return;
+ *sel->x = sx;
+ *sel->y = sy + bh;
+ *sel->w = sw - 2 * sel->border;
+ *sel->h = sh - 2 * sel->border - bh;
+ higher(sel);
+ resize(sel, False, TopLeft);
+}
+
+void
+pop(Client *c)
+{
+ Client **l;
+ for(l = &clients; *l && *l != c; l = &(*l)->next);
+ *l = c->next;
+
+ c->next = clients; /* pop */
+ clients = c;
+ arrange(NULL);
+}
+
+void
+resize(Client *c, Bool inc, Corner sticky)
+{
+ XConfigureEvent e;
+ int right = *c->x + *c->w;
+ int bottom = *c->y + *c->h;
+
+ if(inc) {
+ if(c->incw)
+ *c->w -= (*c->w - c->basew) % c->incw;
+ if(c->inch)
+ *c->h -= (*c->h - c->baseh) % c->inch;
+ }
+ if(*c->x > sw) /* might happen on restart */
+ *c->x = sw - *c->w;
+ if(*c->y > sh)
+ *c->y = sh - *c->h;
+ if(c->minw && *c->w < c->minw)
+ *c->w = c->minw;
+ if(c->minh && *c->h < c->minh)
+ *c->h = c->minh;
+ if(c->maxw && *c->w > c->maxw)
+ *c->w = c->maxw;
+ if(c->maxh && *c->h > c->maxh)
+ *c->h = c->maxh;
+ if(sticky == TopRight || sticky == BottomRight)
+ *c->x = right - *c->w;
+ if(sticky == BottomLeft || sticky == BottomRight)
+ *c->y = bottom - *c->h;
+ resizetitle(c);
+ XSetWindowBorderWidth(dpy, c->win, 1);
+ XMoveResizeWindow(dpy, c->win, *c->x, *c->y, *c->w, *c->h);