Adding rotatestack patch

patch/include.c

@@ -18,6 +18,10 @@
 #include "pertag.c"
 #endif
 
+#if ROTATESTACK_PATCH
+#include "rotatestack.c"
+#endif
+
 #if SYSTRAY_PATCH
 #include "systray.c"
 #endif

patch/include.h

@@ -12,7 +12,11 @@
 
 #if CYCLELAYOUTS_PATCH
 #include "cyclelayouts.h"
-#endif // CYCLELAYOUTS_PATCH
+#endif
+
+#if ROTATESTACK_PATCH
+#include "rotatestack.h"
+#endif
 
 #if SYSTRAY_PATCH
 #include "systray.h"

patch/rotatestack.c

@@ -0,0 +1,52 @@
+void
+enqueue(Client *c)
+{
+	Client *l;
+	for (l = c->mon->clients; l && l->next; l = l->next);
+	if (l) {
+		l->next = c;
+		c->next = NULL;
+	}
+}
+
+void
+enqueuestack(Client *c)
+{
+	Client *l;
+	for (l = c->mon->stack; l && l->snext; l = l->snext);
+	if (l) {
+		l->snext = c;
+		c->snext = NULL;
+	}
+}
+
+void
+rotatestack(const Arg *arg)
+{
+	Client *c = NULL, *f;
+
+	if (!selmon->sel)
+		return;
+	f = selmon->sel;
+	if (arg->i > 0) {
+		for (c = nexttiled(selmon->clients); c && nexttiled(c->next); c = nexttiled(c->next));
+		if (c){
+			detach(c);
+			attach(c);
+			detachstack(c);
+			attachstack(c);
+		}
+	} else {
+		if ((c = nexttiled(selmon->clients))){
+			detach(c);
+			enqueue(c);
+			detachstack(c);
+			enqueuestack(c);
+		}
+	}
+	if (c){
+		arrange(selmon);
+		focus(f);
+		restack(selmon);
+	}
+}

patch/rotatestack.h

@@ -0,0 +1,3 @@
+static void enqueue(Client *c);
+static void enqueuestack(Client *c);
+static void rotatestack(const Arg *arg);