applied Sanders max_and_focus.patch

client.c

@@ -82,22 +82,29 @@ ban(Client *c)
 void
 focus(Client *c)
 {
-	Client *old = sel;
+	Client *old;
 
 	if(!issel)
 		return;
 	if(!sel)
 		sel = c;
 	else if(sel != c) {
-		if(sel->ismax)
+		if(maximized)
 			togglemax(NULL);
+		old = sel;
 		sel = c;
-		grabbuttons(old, False);
-		drawtitle(old);
+		if(old) {
+			grabbuttons(old, False);
+			drawtitle(old);
+		}
+	}
+	if(c) {
+		grabbuttons(c, True);
+		drawtitle(c);
+		XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
 	}
-	grabbuttons(c, True);
-	drawtitle(c);
-	XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
+	else
+		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
 }
 
 Client *
@@ -247,8 +254,6 @@ manage(Window w, XWindowAttributes *wa)
 	clients = c;
 
 	settitle(c);
-	if(isvisible(c))
-		sel = c;
 	arrange(NULL);
 	XMapWindow(dpy, c->win);
 	XMapWindow(dpy, c->twin);
@@ -366,12 +371,13 @@ void
 togglemax(Arg *arg)
 {
 	int ox, oy, ow, oh;
+	Client *c;
 	XEvent ev;
 
 	if(!sel)
 		return;
 
-	if((sel->ismax = !sel->ismax)) {
+	if((maximized = !maximized)) {
 		ox = sel->x;
 		oy = sel->y;
 		ow = sel->w;
@@ -382,6 +388,9 @@ togglemax(Arg *arg)
 		sel->h = sh - 2 - bh;
 
 		restack();
+		for(c = getnext(clients); c; c = getnext(c->next))
+			if(c != sel)
+				ban(c);
 		resize(sel, arrange == dofloat, TopLeft);
 
 		sel->x = ox;
@@ -390,37 +399,36 @@ togglemax(Arg *arg)
 		sel->h = oh;
 	}
 	else
-		resize(sel, False, TopLeft);
+		arrange(NULL);
 	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
 }
 
 void
 unmanage(Client *c)
 {
-	Client *tc;
+	Client *tc, *fc;
 	Window trans;
 	XGrabServer(dpy);
 	XSetErrorHandler(xerrordummy);
 
-	XGetTransientForHint(dpy, c->win, &trans);
-
-	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
-	XDestroyWindow(dpy, c->twin);
-
 	detach(c);
 	if(sel == c) {
+		XGetTransientForHint(dpy, c->win, &trans);
 		if(trans && (tc = getclient(trans)) && isvisible(tc))
-			sel = tc;
+			fc = tc;
 		else
-			sel = getnext(clients);
+			fc = getnext(clients);
+		focus(fc);
 	}
+
+	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
+	XDestroyWindow(dpy, c->twin);
+
 	free(c->tags);
 	free(c);
 
 	XSync(dpy, False);
 	XSetErrorHandler(xerror);
 	XUngrabServer(dpy);
-	if(sel)
-		focus(sel);
 	arrange(NULL);
 }

dwm.h

@@ -58,7 +58,6 @@ struct Client {
 	long flags; 
 	unsigned int border, weight;
 	Bool isfloat;
-	Bool ismax;
 	Bool *tags;
 	Client *next;
 	Client *prev;
@@ -73,7 +72,7 @@ extern unsigned int ntags, numlockmask;
 extern void (*handler[LASTEvent])(XEvent *);
 extern void (*arrange)(Arg *);
 extern Atom wmatom[WMLast], netatom[NetLast];
-extern Bool running, issel, *seltag;
+extern Bool running, issel, maximized, *seltag;
 extern Client *clients, *sel;
 extern Cursor cursor[CurLast];
 extern DC dc;

event.c

@@ -131,15 +131,15 @@ buttonpress(XEvent *e)
 	}
 	else if((c = getclient(ev->window))) {
 		focus(c);
-		if(c->ismax || CLEANMASK(ev->state) != MODKEY)
+		if(maximized || CLEANMASK(ev->state) != MODKEY)
 			return;
-		if((ev->button == Button1) && ((arrange == dofloat) || c->isfloat)) {
+		if(ev->button == Button1 && (arrange == dofloat || c->isfloat)) {
 			restack(c);
 			movemouse(c);
 		}
 		else if(ev->button == Button2)
 			zoom(NULL);
-		else if(ev->button == Button3 && ((arrange == dofloat) || c->isfloat)) {
+		else if(ev->button == Button3 && (arrange == dofloat || c->isfloat)) {
 			restack(c);
 			resizemouse(c);
 		}
@@ -173,7 +173,7 @@ configurerequest(XEvent *e)
 	XWindowChanges wc;
 
 	if((c = getclient(ev->window))) {
-		if(!c->isfloat && (arrange != dofloat) && c->ismax) {
+		if((c == sel) && !c->isfloat && (arrange != dofloat) && maximized) {
 			synconfig(c, sx, sy + bh, sw - 2, sh - 2 - bh, ev->border_width);
 			XSync(dpy, False);
 			return;

main.c

@@ -24,6 +24,7 @@ unsigned int ntags, numlockmask;
 Atom wmatom[WMLast], netatom[NetLast];
 Bool running = True;
 Bool issel = True;
+Bool maximized = False;
 Client *clients = NULL;
 Client *sel = NULL;
 Cursor cursor[CurLast];

view.c

@@ -57,22 +57,20 @@ detach(Client *c)
 void
 dofloat(Arg *arg)
 {
-	Client *c;
+	Client *c, *fc;
+
+	maximized = False;
 
 	for(c = clients; c; c = c->next) {
-		c->ismax = False;
 		if(isvisible(c)) {
 			resize(c, True, TopLeft);
 		}
 		else
 			ban(c);
 	}
-	if(!sel || !isvisible(sel))
-		sel = getnext(clients);
-	if(sel)
-		focus(sel);
-	else
-		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
+	if(!(fc = sel) || !isvisible(fc))
+		fc = getnext(clients);
+	focus(fc);
 	restack();
 }
 
@@ -80,7 +78,9 @@ void
 dotile(Arg *arg)
 {
 	int h, i, n, w;
-	Client *c;
+	Client *c, *fc;
+
+	maximized = False;
 
 	w = sw - mw;
 	for(n = 0, c = clients; c; c = c->next)
@@ -93,7 +93,6 @@ dotile(Arg *arg)
 		h = sh - bh;
 
 	for(i = 0, c = clients; c; c = c->next) {
-		c->ismax = False;
 		if(isvisible(c)) {
 			if(c->isfloat) {
 				resize(c, True, TopLeft);
@@ -132,12 +131,9 @@ dotile(Arg *arg)
 		else
 			ban(c);
 	}
-	if(!sel || !isvisible(sel))
-		sel = getnext(clients);
-	if(sel)
-		focus(sel);
-	else
-		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
+	if(!(fc = sel) || !isvisible(fc))
+		fc = getnext(clients);
+	focus(fc);
 	restack();
 }
 
@@ -289,7 +285,7 @@ zoom(Arg *arg)
 {
 	Client *c = sel;
 
-	if(!c || (arrange != dotile) || c->isfloat || c->ismax)
+	if(!c || (arrange != dotile) || c->isfloat || maximized)
 		return;
 
 	if(c == getnext(clients))