experimental version which allows master clients being increased/decreased

config.arg.h

@@ -19,6 +19,7 @@ const char *tags[] = { "dev", "work", "net", "fnord", NULL };
 
 #define MASTER			600		/* per thousand */
 #define MODKEY			Mod1Mask
+#define NMASTER			1		/* clients in master area */
 #define SNAP			40		/* pixel */
 
 #define KEYS \
@@ -30,10 +31,12 @@ static Key key[] = { \
 		{ .cmd = "exe=\"$(lsx `echo $PATH | sed 's/:/ /g'` | sort -u " \
 			" | dmenu -fn '"FONT"' -nb '"NORMBGCOLOR"' -nf '"NORMFGCOLOR"' " \
 			"-sb '"SELBGCOLOR"' -sf '"SELFGCOLOR"')\" && exec $exe" } }, \
+	{ MODKEY,			XK_d,		incnmaster,	{ .i = -1 } }, \
 	{ MODKEY,			XK_j,		focusnext,	{ 0 } }, \
 	{ MODKEY,			XK_k,		focusprev,	{ 0 } }, \
 	{ MODKEY,			XK_Return,	zoom,		{ 0 } }, \
 	{ MODKEY,			XK_g,		resizemaster,	{ .i = 15 } }, \
+	{ MODKEY,			XK_i,		incnmaster,	{ .i = 1 } }, \
 	{ MODKEY,			XK_s,		resizemaster,	{ .i = -15 } }, \
 	{ MODKEY|ShiftMask,		XK_0,		tag,		{ .i = -1 } }, \
 	{ MODKEY|ShiftMask,		XK_1,		tag,		{ .i = 0 } }, \

config.default.h

@@ -19,6 +19,7 @@ const char *tags[] = { "1", "2", "3", "4", "5", NULL };
 
 #define MASTER			600		/* per thousand */
 #define MODKEY			Mod1Mask
+#define NMASTER			1		/* clients in master area */
 #define SNAP			20		/* pixel */
 
 #define KEYS \

config.mk

@@ -17,8 +17,8 @@ LIBS = -L/usr/lib -lc -L${X11LIB} -lX11
 # flags
 CFLAGS = -Os ${INCS} -DVERSION=\"${VERSION}\"
 LDFLAGS = ${LIBS}
-#CFLAGS = -g -Wall -O2 ${INCS} -DVERSION=\"${VERSION}\"
+CFLAGS = -g -Wall -O2 ${INCS} -DVERSION=\"${VERSION}\"
-#LDFLAGS = -g ${LIBS}
+LDFLAGS = -g ${LIBS}
 
 # Solaris
 #CFLAGS = -fast ${INCS} -DVERSION=\"${VERSION}\"

dwm.h

@@ -96,7 +96,8 @@ extern char stext[1024];			/* status text */
 extern int bx, by, bw, bh, bmw;			/* bar geometry, bar mode label width */
 extern int screen, sx, sy, sw, sh;		/* screen geometry */
 extern int wax, way, wah, waw;			/* windowarea geometry */
-extern unsigned int master, ntags, numlockmask;	/* master percent, number of tags, dynamic lock mask */
+extern unsigned int master, nmaster;		/* master percent, number of master clients */
+extern unsigned int ntags, numlockmask;		/* number of tags, dynamic lock mask */
 extern void (*handler[LASTEvent])(XEvent *);	/* event handler */
 extern void (*arrange)(void);			/* arrange function, indicates mode  */
 extern Atom wmatom[WMLast], netatom[NetLast];
@@ -159,6 +160,7 @@ extern void dofloat(void);			/* arranges all windows floating */
 extern void dotile(void);			/* arranges all windows tiled */
 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 void incnmaster(Arg *arg);		/* increments nmaster with arg's index value */
 extern Bool isvisible(Client *c);		/* returns True if client is visible */
 extern void resizemaster(Arg *arg);		/* resizes the master percent with arg's index value */
 extern void restack(void);			/* restores z layers of all clients */

main.c

@@ -20,7 +20,7 @@
 char stext[1024];
 Bool *seltag;
 int bx, by, bw, bh, bmw, masterd, screen, sx, sy, sw, sh, wax, way, waw, wah;
-unsigned int master, ntags, numlockmask;
+unsigned int master, nmaster, ntags, numlockmask;
 Atom wmatom[WMLast], netatom[NetLast];
 Bool running = True;
 Bool issel = True;
@@ -133,6 +133,7 @@ setup(void) {
 	sw = DisplayWidth(dpy, screen);
 	sh = DisplayHeight(dpy, screen);
 	master = MASTER;
+	nmaster = NMASTER;
 	/* bar */
 	bx = sx;
 	by = sy;

view.c

@@ -69,12 +69,16 @@ dofloat(void) {
 
 void
 dotile(void) {
-	unsigned int i, n, mpw, th;
+	unsigned int i, n, mw, mh, tw, th;
 	Client *c;
 
 	for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
 		n++;
-	mpw = (waw * master) / 1000;
+	/* window geoms */
+	mw = (n > nmaster) ? (waw * master) / 1000 : waw;
+	mh = (n > nmaster) ? wah / nmaster : wah / (n > 0 ? n : 1);
+	tw = waw - mw;
+	th = (n > nmaster) ? wah / (n - nmaster) : 0;
 
 	for(i = 0, c = clients; c; c = c->next)
 		if(isvisible(c)) {
@@ -85,20 +89,16 @@ dotile(void) {
 			c->ismax = False;
 			c->x = wax;
 			c->y = way;
-			if(n == 1) { /* only 1 window */
+			if(i < nmaster) {
-				c->w = waw - 2 * BORDERPX;
+				c->y += i * mh;
-				c->h = wah - 2 * BORDERPX;
+				c->w = mw - 2 * BORDERPX;
-			}
+				c->h = mh - 2 * BORDERPX;
-			else if(i == 0) { /* master window */
-				c->w = mpw - 2 * BORDERPX;
-				c->h = wah - 2 * BORDERPX;
-				th = wah / (n - 1);
 			}
 			else {  /* tile window */
-				c->x += mpw;
+				c->x += mw;
-				c->w = (waw - mpw) - 2 * BORDERPX;
+				c->w = tw - 2 * BORDERPX;
 				if(th > bh) {
-					c->y += (i - 1) * th;
+					c->y += (i - nmaster) * th;
 					c->h = th - 2 * BORDERPX;
 				}
 				else /* fallback if th < bh */
@@ -147,6 +147,14 @@ focusprev(Arg *arg) {
 	}
 }
 
+void
+incnmaster(Arg *arg) {
+	if(nmaster + arg->i < 1)
+		return;
+	nmaster += arg->i;
+	arrange();
+}
+
 Bool
 isvisible(Client *c) {
 	unsigned int i;
@@ -240,7 +248,7 @@ view(Arg *arg) {
 
 void
 zoom(Arg *arg) {
-	unsigned int n;
+	unsigned int i, n;
 	Client *c;
 
 	if(!sel)
@@ -249,14 +257,19 @@ zoom(Arg *arg) {
 		togglemax(sel);
 		return;
 	}
-	for(n = 0, c = clients; c; c = c->next)
+	for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
-		if(isvisible(c) && !c->isfloat)
+		n++;
-			n++;
+	if(n <= nmaster || (arrange == dofloat))
-	if(n < 2 || (arrange == dofloat))
 		return;
-	if((c = sel) == nexttiled(clients))
+
-		if(!(c = nexttiled(c->next)))
+	for(c = nexttiled(clients), i = 0; c && (c != sel) && i < nmaster; c = nexttiled(c->next))
-			return;
+		i++;
+	if(c == sel && i < nmaster)
+		for(; c && i < nmaster; c = nexttiled(c->next))
+			i++;
+	if(!c)
+		return;
+
 	detach(c);
 	if(clients)
 		clients->prev = c;