added the new dotile as described on ml

config.arg.h

@@ -36,6 +36,8 @@ static Key key[] = { \
 	{ MODKEY,			XK_j,		focusnext,	{ 0 } }, \
 	{ MODKEY,			XK_k,		focusprev,	{ 0 } }, \
 	{ MODKEY,			XK_Return,	zoom,		{ 0 } }, \
+	{ MODKEY,			XK_b,		togglestackpos,	{ 0 } }, \
+	{ MODKEY,			XK_d,		togglestackdir,	{ 0 } }, \
 	{ MODKEY,			XK_g,		resizecol,	{ .i = 20 } }, \
 	{ MODKEY,			XK_s,		resizecol,	{ .i = -20 } }, \
 	{ MODKEY|ShiftMask,		XK_1,		tag,		{ .i = 0 } }, \

config.default.h

@@ -30,6 +30,8 @@ static Key key[] = { \
 	{ MODKEY,			XK_Tab,		focusnext,	{ 0 } }, \
 	{ MODKEY|ShiftMask,		XK_Tab,		focusprev,	{ 0 } }, \
 	{ MODKEY,			XK_Return,	zoom,		{ 0 } }, \
+	{ MODKEY,			XK_b,		togglestackpos,	{ 0 } }, \
+	{ MODKEY,			XK_d,		togglestackdir,	{ 0 } }, \
 	{ MODKEY,			XK_g,		resizecol,	{ .i = 20 } }, \
 	{ MODKEY,			XK_s,		resizecol,	{ .i = -20 } }, \
 	{ MODKEY|ShiftMask,		XK_1,		tag,		{ .i = 0 } }, \

dwm.h

@@ -102,7 +102,7 @@ struct Client {
 extern const char *tags[];			/* all tags */
 extern char stext[1024];			/* status text */
 extern int bx, by, bw, bh, bmw;			/* bar geometry, bar mode label width */
-extern int master, screen, sx, sy, sw, sh;	/* screen geometry, master width */
+extern int master, screen, sx, sy, sw, sh;	/* screen geometry, master dimension*/
 extern unsigned int ntags, numlockmask;		/* number of tags, dynamic lock mask */
 extern void (*handler[LASTEvent])(XEvent *);	/* event handler */
 extern void (*arrange)(Arg *);			/* arrange function, indicates mode  */
@@ -170,10 +170,13 @@ extern void dotile(Arg *arg);			/* arranges all windows, arg is ignored */
 extern void focusnext(Arg *arg);		/* focuses next visible client, arg is ignored  */
 extern void focusprev(Arg *arg);		/* focuses previous visible client, arg is ignored */
 extern Bool isvisible(Client *c);		/* returns True if client is visible */
-extern void resizecol(Arg *arg);		/* resizes the master width with arg's index value */
+extern void resizecol(Arg *arg);		/* resizes the master dimension with arg's index value */
 extern void restack(void);			/* restores z layers of all clients */
+extern void togglestackdir(Arg *arg);		/* toggles stack direction */
+extern void togglestackpos(Arg *arg);		/* toggles stack position */
 extern void togglemode(Arg *arg);		/* toggles global arrange function (dotile/dofloat) */
 extern void toggleview(Arg *arg);		/* toggles the tag with arg's index (in)visible */
+extern void updatemaster(void);			/* updates master dimension */
 extern void view(Arg *arg);			/* views the tag with arg's index */
 extern void viewall(Arg *arg);			/* views all tags, arg is ignored */
-extern void zoom(Arg *arg);			/* zooms the focused client to master column, arg is ignored */
+extern void zoom(Arg *arg);			/* zooms the focused client to master area, arg is ignored */

event.c

@@ -177,8 +177,9 @@ configurerequest(XEvent *e) {
 			configure(c);
 		XSync(dpy, False);
 		if(c->isfloat) {
-			if(isvisible(c))
-				resize(c, False, TopLeft);
+			resize(c, False, TopLeft);
+			if(!isvisible(c))
+				ban(c);
 		}
 		else
 			arrange(NULL);

main.c

@@ -133,7 +133,7 @@ setup(void) {
 	sx = sy = 0;
 	sw = DisplayWidth(dpy, screen);
 	sh = DisplayHeight(dpy, screen);
-	master = ((stackpos == StackBottom ? sh - bh : sw) * MASTER) / 100;
+	updatemaster();
 
 	bx = by = 0;
 	bw = sw;

view.c

@@ -148,52 +148,93 @@ dotile(Arg *arg) {
 				c->h = sh - 2 * BORDERPX - bh;
 			}
 			else if(i == 0) { /* master window */
-				c->x = sx;
-				if(stackpos == StackLeft)
-					c->x += master;
-				c->y = sy + bh;
-				if(isvertical) {
+				switch(stackpos) {
+				case StackLeft:
+					c->x = sx + stackw;
+					c->y = sy + bh;
 					c->w = master - 2 * BORDERPX;
-					c->h = sh - 2 * BORDERPX - bh;
-				}
-				else {
-					c->w = sw;
+					c->h = sh - bh - 2 * BORDERPX;
+					break;
+				case StackBottom:
+					c->x = sx;
+					c->y = sy + bh;
+					c->w = sw - 2 * BORDERPX;
 					c->h = master - 2 * BORDERPX;
+					break;
+				case StackRight:
+					c->x = sx;
+					c->y = sy + bh;
+					c->w = master - 2 * BORDERPX;
+					c->h = sh - bh - 2 * BORDERPX;
+					break;
 				}
 			}
 			else if((isvertical && th > bh) || (!isvertical && tw > MINW)) {
 				/* tile window */
-				c->x = sx;
-				if(isvertical)
-					c->y = sy + (i - 1) * th + bh;
-				else
-					c->y = sy + bh;
-				if(stackpos == StackRight)
-					c->x += master;
-				else if(stackpos == StackBottom)
-					c->y += master;
 				c->w = tw - 2 * BORDERPX;
 				c->h = th - 2 * BORDERPX;
-				if(i + 1 == n) { /* fixes for last tile to take up rest space */
-					if(isvertical)
-						c->h = sh - c->y - 2 * BORDERPX;
+				switch(stackpos) {
+				case StackLeft:
+					if(isvertical) {
+						c->x = sx;
+						c->y = sy + (i - 1) * th + bh;
+						if(i + 1 == n)
+							c->h = sh - c->y - 2 * BORDERPX;
+					}
 					else {
-						if(stackpos == StackLeft)
-							c->w = master - c->x - 2 * BORDERPX;
-						else
+						c->x = sx + (i - 1) * tw;
+						c->y = sy + bh;
+						if(i + 1 == n)
+							c->w = sx + stackw - c->x - 2 * BORDERPX;
+					}
+					break;
+				case StackBottom:
+					if(isvertical) {
+						c->x = sx;
+						c->y = sy + master + (i - 1) * th + bh;
+						if(i + 1 == n)
+							c->h = sh - c->y - 2 * BORDERPX;
+					}
+					else {
+						c->x = sx + (i - 1) * tw;
+						c->y = sy + bh + master;
+						if(i + 1 == n)
 							c->w = sw - c->x - 2 * BORDERPX;
 					}
+					break;
+				case StackRight:
+					if(isvertical) {
+						c->x = sx + master;
+						c->y = sy + (i - 1) * th + bh;
+						if(i + 1 == n)
+							c->h = sh - c->y - 2 * BORDERPX;
+					}
+					else {
+						c->x = sx + master + (i - 1) * tw;
+						c->y = sy + bh;
+						if(i + 1 == n)
+							c->w = sx + stackw - c->x - 2 * BORDERPX;
+					}
+					break;
 				}
 			}
 			else { /* fallback if th < bh resp. tw < MINW */
-				c->x = sx;
-				c->y = sy + bh;
-				if(stackpos == StackRight)
-					c->x += master;
-				else if(stackpos == StackBottom)
-					c->y += master;
 				c->w = stackw - 2 * BORDERPX;
 				c->h = stackh - 2 * BORDERPX;
+				switch(stackpos) {
+				case StackLeft:
+					c->x = sx;
+					c->y = sy + bh;
+					break;
+				case StackBottom:
+					c->x = sx;
+					c->y = sy + master;
+					break;
+				case StackRight:
+					c->x = sx + master;
+					c->y = sy + bh;
+					break;
+				}
 			}
 			resize(c, False, TopLeft);
 			i++;
@@ -318,6 +359,31 @@ toggleview(Arg *arg) {
 	arrange(NULL);
 }
 
+void
+togglestackdir(Arg *arg) {
+	if(arrange == dofloat)
+		return;
+	isvertical = !isvertical;
+	arrange(NULL);
+}
+
+void
+togglestackpos(Arg *arg) {
+	if(arrange == dofloat)
+		return;
+	if(stackpos == StackBottom)
+		stackpos = STACKPOS;
+	else
+		stackpos = StackBottom;
+	updatemaster();
+	arrange(NULL);
+}
+
+void
+updatemaster(void) {
+	master = ((stackpos == StackBottom ? sh - bh : sw) * MASTER) / 100;
+}
+
 void
 view(Arg *arg) {
 	unsigned int i;
@@ -339,6 +405,8 @@ viewall(Arg *arg) {
 	arrange(NULL);
 }
 
+
+
 void
 zoom(Arg *arg) {
 	unsigned int n;