Added gaps and tile master window count

* Added gaps patch
* Made a modification so that layout symbol for tile shows master window
  count

.gitignore

@@ -0,0 +1,2 @@
+*.o
+dwm

config.def.h

@@ -2,6 +2,7 @@
 
 /* appearance */
 static const unsigned int borderpx  = 1;        /* border pixel of windows */
+static const unsigned int gappx     = 1;        /* gap pixel between windows */
 static const unsigned int snap      = 32;       /* snap pixel */
 static const int showbar            = 1;        /* 0 means no bar */
 static const int topbar             = 1;        /* 0 means bottom bar */

config.h

@@ -0,0 +1,123 @@
+/* See LICENSE file for copyright and license details. */
+
+/* appearance */
+static const unsigned int borderpx  = 0;        /* border pixel of windows */
+static const unsigned int gappx     = 1;        /* gap pixel between windows */
+static const unsigned int snap      = 32;       /* snap pixel */
+static const int showbar            = 1;        /* 0 means no bar */
+static const int topbar             = 1;        /* 0 means bottom bar */
+static const char *fonts[]          = {
+  "Iosevka Term:style=Regular:size=9",
+  "Monaco:size=7"
+};
+static const char dmenufont[]       = "Iosevka Term:style=Regular:size=9";
+static const char col_gray1[]       = "#222222";
+static const char col_gray2[]       = "#444444";
+static const char col_gray3[]       = "#bbbbbb";
+static const char col_gray4[]       = "#eeeeee";
+static const char col_cyan[]        = "#005577";
+static const char *colors[][3]      = {
+	/*               fg         bg         border   */
+	[SchemeNorm] = { col_gray3, col_gray1, col_gray2 },
+	[SchemeSel]  = { col_gray4, col_cyan,  col_cyan  },
+};
+
+/* tagging */
+static const char *tags[] = { "1", "2", "3", "4", "5", "6", "Media", "Tenor", "Root" };
+
+static const Rule rules[] = {
+	/* xprop(1):
+	 *	WM_CLASS(STRING) = instance, class
+	 *	WM_NAME(STRING) = title
+	 */
+	/* class      instance    title       tags mask     isfloating   monitor */
+	{ "Gimp",     NULL,       NULL,       0,            1,           -1 },
+	{ "Firefox",  NULL,       NULL,       1 << 8,       0,           -1 },
+};
+
+/* layout(s) */
+static const float mfact     = 0.55; /* factor of master area size [0.05..0.95] */
+static const int nmaster     = 1;    /* number of clients in master area */
+static const int resizehints = 1;    /* 1 means respect size hints in tiled resizals */
+
+static const Layout layouts[] = {
+	/* symbol     arrange function */
+	{ "[]=",      tile },    /* first entry is default */
+	{ "><>",      NULL },    /* no layout function means floating behavior */
+	{ "[M]",      monocle },
+};
+
+/* key definitions */
+#define MODKEY Mod1Mask
+#define TAGKEYS(KEY,TAG) \
+	{ MODKEY,                       KEY,      view,           {.ui = 1 << TAG} }, \
+	{ MODKEY|ControlMask,           KEY,      toggleview,     {.ui = 1 << TAG} }, \
+	{ MODKEY|ShiftMask,             KEY,      tag,            {.ui = 1 << TAG} }, \
+	{ MODKEY|ControlMask|ShiftMask, KEY,      toggletag,      {.ui = 1 << TAG} },
+
+/* helper for spawning shell commands in the pre dwm-5.0 fashion */
+#define SHCMD(cmd) { .v = (const char*[]){ "/bin/sh", "-c", cmd, NULL } }
+
+/* commands */
+static char dmenumon[2] = "0"; /* component of dmenucmd, manipulated in spawn() */
+static const char *dmenucmd[] = { "dmenu_run", "-m", dmenumon, "-fn", dmenufont, "-nb", col_gray1, "-nf", col_gray3, "-sb", col_cyan, "-sf", col_gray4, NULL };
+static const char *termcmd[]  = { "/home/mahesh/bin/dwm_term", NULL };
+static const char *webcmd[]  = { "/home/mahesh/bin/dwm_web", NULL };
+static const char *exitcmd[]  = { "/home/mahesh/bin/leave_session", NULL };
+
+static Key keys[] = {
+	/* modifier                     key        function        argument */
+	{ MODKEY,                       XK_p,      spawn,          {.v = dmenucmd } },
+	{ MODKEY|ShiftMask,             XK_Return, spawn,          {.v = termcmd } },
+	{ MODKEY|ShiftMask,             XK_w,      spawn,          {.v = webcmd} },
+	{ MODKEY|ShiftMask,             XK_e,      spawn,          {.v = exitcmd} },
+	{ MODKEY,                       XK_b,      togglebar,      {0} },
+	{ MODKEY,                       XK_j,      focusstack,     {.i = +1 } },
+	{ MODKEY,                       XK_k,      focusstack,     {.i = -1 } },
+	{ MODKEY,                       XK_i,      incnmaster,     {.i = +1 } },
+	{ MODKEY,                       XK_d,      incnmaster,     {.i = -1 } },
+	{ MODKEY,                       XK_h,      setmfact,       {.f = -0.05} },
+	{ MODKEY,                       XK_l,      setmfact,       {.f = +0.05} },
+	{ MODKEY,                       XK_Return, zoom,           {0} },
+	{ MODKEY,                       XK_Tab,    view,           {0} },
+	{ MODKEY|ShiftMask,             XK_c,      killclient,     {0} },
+	{ MODKEY,                       XK_t,      setlayout,      {.v = &layouts[0]} },
+	{ MODKEY,                       XK_f,      setlayout,      {.v = &layouts[1]} },
+	{ MODKEY,                       XK_m,      setlayout,      {.v = &layouts[2]} },
+	{ MODKEY,                       XK_space,  setlayout,      {0} },
+	{ MODKEY|ShiftMask,             XK_space,  togglefloating, {0} },
+	{ MODKEY,                       XK_0,      view,           {.ui = ~0 } },
+	{ MODKEY|ShiftMask,             XK_0,      tag,            {.ui = ~0 } },
+	{ MODKEY,                       XK_comma,  focusmon,       {.i = -1 } },
+	{ MODKEY,                       XK_period, focusmon,       {.i = +1 } },
+	{ MODKEY|ShiftMask,             XK_comma,  tagmon,         {.i = -1 } },
+	{ MODKEY|ShiftMask,             XK_period, tagmon,         {.i = +1 } },
+	TAGKEYS(                        XK_1,                      0)
+	TAGKEYS(                        XK_2,                      1)
+	TAGKEYS(                        XK_3,                      2)
+	TAGKEYS(                        XK_4,                      3)
+	TAGKEYS(                        XK_5,                      4)
+	TAGKEYS(                        XK_6,                      5)
+	TAGKEYS(                        XK_7,                      6)
+	TAGKEYS(                        XK_8,                      7)
+	TAGKEYS(                        XK_9,                      8)
+	{ MODKEY|ShiftMask,             XK_q,      quit,           {0} },
+};
+
+/* button definitions */
+/* click can be ClkLtSymbol, ClkStatusText, ClkWinTitle, ClkClientWin, or ClkRootWin */
+static Button buttons[] = {
+	/* click                event mask      button          function        argument */
+	{ ClkLtSymbol,          0,              Button1,        setlayout,      {0} },
+	{ ClkLtSymbol,          0,              Button3,        setlayout,      {.v = &layouts[2]} },
+	{ ClkWinTitle,          0,              Button2,        zoom,           {0} },
+	{ ClkStatusText,        0,              Button2,        spawn,          {.v = termcmd } },
+	{ ClkClientWin,         MODKEY,         Button1,        movemouse,      {0} },
+	{ ClkClientWin,         MODKEY,         Button2,        togglefloating, {0} },
+	{ ClkClientWin,         MODKEY,         Button3,        resizemouse,    {0} },
+	{ ClkTagBar,            0,              Button1,        view,           {0} },
+	{ ClkTagBar,            0,              Button3,        toggleview,     {0} },
+	{ ClkTagBar,            MODKEY,         Button1,        tag,            {0} },
+	{ ClkTagBar,            MODKEY,         Button3,        toggletag,      {0} },
+};
+

config.mk

@@ -4,15 +4,16 @@ VERSION = 6.1
 # Customize below to fit your system
 
 # paths
-PREFIX = /usr/local
+# PREFIX = /usr/local
+PREFIX = /home/mahesh/apps
 MANPREFIX = ${PREFIX}/share/man
 
 X11INC = /usr/X11R6/include
 X11LIB = /usr/X11R6/lib
 
 # Xinerama, comment if you don't want it
-XINERAMALIBS  = -lXinerama
+# XINERAMALIBS  = -lXinerama
-XINERAMAFLAGS = -DXINERAMA
+# XINERAMAFLAGS = -DXINERAMA
 
 # freetype
 FREETYPELIBS = -lfontconfig -lXft
@@ -28,7 +29,7 @@ LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS}
 CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_C_SOURCE=2 -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
 #CFLAGS   = -g -std=c99 -pedantic -Wall -O0 ${INCS} ${CPPFLAGS}
 CFLAGS   = -std=c99 -pedantic -Wall -Wno-deprecated-declarations -Os ${INCS} ${CPPFLAGS}
-LDFLAGS  = ${LIBS}
+LDFLAGS  = -s ${LIBS}
 
 # Solaris
 #CFLAGS = -fast ${INCS} -DVERSION=\"${VERSION}\"

dwm.c

@@ -1673,7 +1673,7 @@ tagmon(const Arg *arg)
 void
 tile(Monitor *m)
 {
-	unsigned int i, n, h, mw, my, ty;
+	unsigned int i, n, h, r, g = 0, mw, my, ty;
 	Client *c;
 
 	for (n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++);
@@ -1681,19 +1681,23 @@ tile(Monitor *m)
 		return;
 
 	if (n > m->nmaster)
-		mw = m->nmaster ? m->ww * m->mfact : 0;
+		mw = m->nmaster ? (m->ww - (g = gappx)) * m->mfact : 0;
 	else
 		mw = m->ww;
 	for (i = my = ty = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++)
 		if (i < m->nmaster) {
-			h = (m->wh - my) / (MIN(n, m->nmaster) - i);
+			r = MIN(n, m->nmaster) - i;
+			h = (m->wh - my - gappx * (r - 1)) / r;
 			resize(c, m->wx, m->wy + my, mw - (2*c->bw), h - (2*c->bw), 0);
-			my += HEIGHT(c);
+			my += HEIGHT(c) + gappx;
 		} else {
-			h = (m->wh - ty) / (n - i);
+			r = n - i;
-			resize(c, m->wx + mw, m->wy + ty, m->ww - mw - (2*c->bw), h - (2*c->bw), 0);
+			h = (m->wh - ty - gappx * (r - 1)) / r;
-			ty += HEIGHT(c);
+			resize(c, m->wx + mw + g, m->wy + ty, m->ww - mw - g - (2*c->bw), h - (2*c->bw), False);
+			ty += HEIGHT(c) + gappx;
 		}
+	if (n > 0) /* override layout symbol */
+		snprintf(m->ltsymbol, sizeof m->ltsymbol, "[%d]=", m->nmaster);
 }
 
 void