04-attachaside.diff

--- dwm-6.0-original/dwm.c	2014-01-23 19:17:20.742417045 +0100
+++ dwm-6.0/dwm.c	2014-01-23 19:24:21.754048536 +0100
@@ -160,6 +160,7 @@ static Bool applysizehints(Client *c, in
 static void arrange(Monitor *m);
 static void arrangemon(Monitor *m);
 static void attach(Client *c);
+static void attachaside(Client *c);
 static void attachstack(Client *c);
 static void buttonpress(XEvent *e);
 static void checkotherwm(void);
@@ -418,6 +419,17 @@ attach(Client *c) {
 }
 
 void
+attachaside(Client *c) {
+	Client *at = nexttiled(c->mon->clients);
+	if (c->mon->sel == NULL || c->mon->sel->isfloating || !at) {
+		attach(c);
+		return;
+	}
+	c->next = at->next;
+	at->next = c;
+}
+
+void
 attachstack(Client *c) {
 	c->snext = c->mon->stack;
 	c->mon->stack = c;
@@ -1155,7 +1167,7 @@ manage(Window w, XWindowAttributes *wa)
 		c->isfloating = c->oldstate = trans != None || c->isfixed;
 	if(c->isfloating)
 		XRaiseWindow(dpy, c->win);
-	attach(c);
+	attachaside(c);
 	attachstack(c);
 	XMoveResizeWindow(dpy, c->win, c->x + 2 * sw, c->y, c->w, c->h); /* some windows require this */
 	setclientstate(c, NormalState);