applied Peter Hartlich's simplification patch of setmfact and his revival of MFACT, appliead Janness Hofmann's simplification of grabbuttons() -- thanks guys!
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				@ -20,7 +20,7 @@ Rule rules[] = {
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/* geometries, s{x,y,w,h} and bh are already initualized here */
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/*   func name  bx  by  bw  wx  wy  ww     wh  mx  my       mw  mh     tx  ty     tw  th  mox moy mow moh */
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double mfact = 0.55;
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#define MFACT			0.55	/* master width factor [0.1 .. 0.9] */
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DEFGEOM(single,  0,  0, sw,  0, bh, sw, sh-bh, wx, wy, mfact*sw, wh, mx+mw, wy, ww-mw, wh,  wx, wy, ww, wh)
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DEFGEOM(dual,    0,  0,1280, 0, bh, ww, wh-bh, wx, wy, 1280,800-bh,  1280,  0, ww-mw, sh,  mx, my, mw, mh)
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										64
									
								
								dwm.c
									
									
									
									
									
								
							
							
						
						
									
										64
									
								
								dwm.c
									
									
									
									
									
								
							@ -212,6 +212,7 @@ char stext[256], buf[256];
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int screen, sx, sy, sw, sh;
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int (*xerrorxlib)(Display *, XErrorEvent *);
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int bx, by, bw, bh, blw, bgw, mx, my, mw, mh, mox, moy, mow, moh, tx, ty, tw, th, wx, wy, ww, wh;
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double mfact;
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unsigned int numlockmask = 0;
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void (*handler[LASTEvent]) (XEvent *) = {
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	[ButtonPress] = buttonpress,
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@ -805,39 +806,20 @@ gettextprop(Window w, Atom atom, char *text, unsigned int size) {
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void
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grabbuttons(Client *c, Bool focused) {
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	int i, j;
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	unsigned int buttons[]   = { Button1, Button2, Button3 };
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	unsigned int modifiers[] = { MODKEY, MODKEY|LockMask, MODKEY|numlockmask,
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	                             MODKEY|numlockmask|LockMask} ;
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	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
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	if(focused) {
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		XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
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				GrabModeAsync, GrabModeSync, None, None);
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		XGrabButton(dpy, Button1, MODKEY|LockMask, c->win, False, BUTTONMASK,
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				GrabModeAsync, GrabModeSync, None, None);
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		XGrabButton(dpy, Button1, MODKEY|numlockmask, c->win, False, BUTTONMASK,
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				GrabModeAsync, GrabModeSync, None, None);
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		XGrabButton(dpy, Button1, MODKEY|numlockmask|LockMask, c->win, False, BUTTONMASK,
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				GrabModeAsync, GrabModeSync, None, None);
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		XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
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				GrabModeAsync, GrabModeSync, None, None);
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		XGrabButton(dpy, Button2, MODKEY|LockMask, c->win, False, BUTTONMASK,
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				GrabModeAsync, GrabModeSync, None, None);
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		XGrabButton(dpy, Button2, MODKEY|numlockmask, c->win, False, BUTTONMASK,
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				GrabModeAsync, GrabModeSync, None, None);
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		XGrabButton(dpy, Button2, MODKEY|numlockmask|LockMask, c->win, False, BUTTONMASK,
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				GrabModeAsync, GrabModeSync, None, None);
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		XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
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				GrabModeAsync, GrabModeSync, None, None);
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		XGrabButton(dpy, Button3, MODKEY|LockMask, c->win, False, BUTTONMASK,
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				GrabModeAsync, GrabModeSync, None, None);
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		XGrabButton(dpy, Button3, MODKEY|numlockmask, c->win, False, BUTTONMASK,
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				GrabModeAsync, GrabModeSync, None, None);
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		XGrabButton(dpy, Button3, MODKEY|numlockmask|LockMask, c->win, False, BUTTONMASK,
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				GrabModeAsync, GrabModeSync, None, None);
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	}
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	if(focused)
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		for(i = 0; i < LENGTH(buttons); i++)
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			for(j = 0; j < LENGTH(modifiers); j++)
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				XGrabButton(dpy, buttons[i], modifiers[j], c->win, False,
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				            BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
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	else
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		XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
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				GrabModeAsync, GrabModeSync, None, None);
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		XGrabButton(dpy, AnyButton, AnyModifier, c->win, False,
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		            BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
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}
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void
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@ -1467,20 +1449,19 @@ setlayout(const char *arg) {
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void
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setmfact(const char *arg) {
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	double delta;
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	double d;
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	if(!arg || lt->isfloating)
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	if(lt->isfloating)
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		return;
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	delta = strtod(arg, NULL);
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	if(arg[0] == '-' || arg[0] == '+') {
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		if(mfact + delta < 0.1 || mfact + delta > 0.9)
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			return;
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		mfact += delta;
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	}
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	if(!arg)
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		mfact = MFACT;
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	else {
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		if(delta < 0.1 || delta > 0.9)
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		d = strtod(arg, NULL);
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		if(arg[0] == '-' || arg[0] == '+')
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			d += mfact;
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		if(d < 0.1 || d > 0.9)
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			return;
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		mfact = delta;
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		mfact = d;
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	}
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	setgeom(geom->symbol);
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}
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@ -1501,6 +1482,7 @@ setup(void) {
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	sw = DisplayWidth(dpy, screen);
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	sh = DisplayHeight(dpy, screen);
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	bh = dc.font.height + 2;
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	mfact = MFACT;
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	geom = &geoms[0];
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	geom->apply();
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