Adding shiftviewclients files

patch/shiftviewclients.c

@@ -0,0 +1,24 @@
+void
+shiftviewclients(const Arg *arg)
+{
+	Arg shifted;
+	Client *c;
+	unsigned int tagmask = 0;
+
+	for (c = selmon->clients; c; c = c->next)
+		tagmask = tagmask | c->tags;
+
+	shifted.ui = selmon->tagset[selmon->seltags];
+	if (arg->i > 0) // left circular shift
+		do {
+			shifted.ui = (shifted.ui << arg->i)
+			   | (shifted.ui >> (LENGTH(tags) - arg->i));
+		} while (tagmask && !(shifted.ui & tagmask));
+	else // right circular shift
+		do {
+			shifted.ui = (shifted.ui >> (- arg->i)
+			   | shifted.ui << (LENGTH(tags) + arg->i));
+		} while (tagmask && !(shifted.ui & tagmask));
+
+	view(&shifted);
+}

patch/shiftviewclients.h

@@ -0,0 +1 @@
+static void shiftviewclients(const Arg *arg);