bump to 6.6 and added systray

9 files changed, 722 insertions, 521 deletions

diff --git a/Makefile b/Makefile
index 77bcbc0..ffa69b4 100644
--- a/Makefile
+++ b/Makefile
@@ -6,13 +6,7 @@ include config.mk
 SRC = drw.c dwm.c util.c
 OBJ = ${SRC:.c=.o}
 
-all: options dwm
-
-options:
-	@echo dwm build options:
-	@echo "CFLAGS   = ${CFLAGS}"
-	@echo "LDFLAGS  = ${LDFLAGS}"
-	@echo "CC       = ${CC}"
+all: dwm
 
 .c.o:
 	${CC} -c ${CFLAGS} $<
@@ -48,4 +42,4 @@ uninstall:
 	rm -f ${DESTDIR}${PREFIX}/bin/dwm\
 		${DESTDIR}${MANPREFIX}/man1/dwm.1
 
-.PHONY: all options clean dist install uninstall
+.PHONY: all clean dist install uninstall
diff --git a/README b/README
index e3e2782..ae95706 100644
--- a/README
+++ b/README
@@ -47,6 +47,6 @@ Configuration
 The configuration of dwm is done by creating a custom config.h
 and (re)compiling the source code.
 
-Patches applied
----------------
-zoomswap - scratchpad - sticky - statuscmd - pertag - noborder - movestack - hide vacant tags - actualfullscreen - bar height - alpha monocle layout - alternativetags - bidi - togglefakefullscreen - swallow - moveresize
+Patches
+-------
+systray - zoomswap - scratchpad - sticky - pertag - noborder - movestack - hide vacant tags - bar height - actualfullscreen - alpha monocle layout - bidi - fakefullscreenclient - moveresize - statuscmd
diff --git a/config.h b/config.h
index 9e959c2..4c20a6e 100644
--- a/config.h
+++ b/config.h
@@ -3,13 +3,18 @@
 /* appearance */
 static const unsigned int borderpx  = 4;        /* border pixel of windows */
 static const unsigned int snap      = 32;       /* snap pixel */
-static const int swallowfloating    = 0;        /* 1 means swallow floating windows by default */
+static const unsigned int systraypinning = 0;   /* 0: sloppy systray follows selected monitor, >0: pin systray to monitor X */
+static const unsigned int systrayonleft = 0;    /* 0: systray in the right corner, >0: systray on left of status text */
+static const unsigned int systrayspacing = 2;   /* systray spacing */
+static const int systraypinningfailfirst = 1;   /* 1: if pinning fails, display systray on the first monitor, False: display systray on the last monitor*/
+static const int showsystray        = 1;        /* 0 means no systray */
 static const int showbar            = 1;        /* 0 means no bar */
 static const int topbar             = 1;        /* 0 means bottom bar */
 static const int user_bh            = 2;        /* 2 is the default spacing around the bar's font */
-
-static const char *fonts[] = { "monospace:size=11",
-    "Noto Color Emoji:pixelsize=11:antialias=true:autohint=true"};
+static const char *fonts[] = { 
+	"monospace:size=11",
+    "Noto Color Emoji:pixelsize=11:antialias=true:autohint=true"
+};
 static const char dmenufont[]             = "monospace:size=12";
 static const char normbgcolor[]           = "#222222";
 static const char normbordercolor[]       = "#444444";
@@ -23,15 +28,14 @@ static const char *colors[][3]      = {
 	[SchemeSel]  = { selfgcolor , selbgcolor ,  selbordercolor  },
 };
 
-#include "movestack.c"
 #include <X11/XF86keysym.h>
+
 /* volume control */
 static const char *inc_vol[] = {"/home/mouad/.local/bin/volume/inc_vol", NULL};
 static const char *dec_vol[] = {"/home/mouad/.local/bin/volume/dec_vol", NULL};
 static const char *toggle_vol[] = {"/home/mouad/.local/bin/volume/toggle_vol", NULL};
 
 static const char *wallpaper[] = {"/home/mouad/.local/bin/background", NULL};
-
 static const char *turnoff[] = {"/home/mouad/.local/bin/turnoff", NULL};
 
 /* brightness control */
@@ -46,20 +50,20 @@ static const Rule rules[] = {
 	 *	WM_CLASS(STRING) = instance, class
 	 *	WM_NAME(STRING) = title
 	 */
-	/* class	instance  title       tags mask     isfloating	isterminal  noswallow   monitor */
-	{ "zoom",       NULL,     NULL,       1 << 0,       0,		0,	    0,		-1 },
-	{ "discord",	NULL,     NULL,       1 << 3,       0,		0,	    0,		-1 },
-	{ NULL,		NULL,     "Steam",    1 << 4,       0,		0,	    0,		-1 },
-	{ "qgis",	NULL,     NULL,       1 << 7,       0,		0,	    0,		-1 },
-	{ "Slack",	NULL,     NULL,       1 << 8,       0,		0,	    0,		-1 },
-	{ NULL,		NULL,     "st",       0,	    0,		1,	    0,		-1 },
-	{ NULL,		NULL,     "Event Tester", 0,        0,		0,	    1,		-1 }, /* xev */
+	/* class      instance    title       tags mask     isfloating   monitor */
+	{ "discord",  NULL,       NULL,       1 << 3,       0,           -1 },
+	{ NULL,	      NULL,       "Steam",    1 << 4,       0,           -1 },
+	{ "Gimp",	  NULL,       NULL,       1 << 5,       0,           -1 },
+	{ "qgis",	  NULL,       NULL,       1 << 7,       0,           -1 },
+	{ "Slack",	  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 int lockfullscreen = 0; /* 1 will force focus on the fullscreen window */
+static const int lockfullscreen = 1; /* 1 will force focus on the fullscreen window */
+static const int refreshrate = 120;  /* refresh rate (per second) for client move/resize */
 
 static const Layout layouts[] = {
 	/* symbol     arrange function */
@@ -87,11 +91,12 @@ static const char *termcmd[]  = { "st", NULL };
 static const char scratchpadname[]  = { "scratchpad" };
 static const char *scratchpadcmd[] = { "/home/mouad/.local/bin/scratch.sh", NULL };
 
+#include "movestack.c"
 static const Key keys[] = {
 	/* modifier                     key        function        argument */
 	{ MODKEY,                       XK_d,      spawn,          {.v = dmenucmd } },
-	{ MODKEY,			XK_Return, spawn,          {.v = termcmd } },
-	{ MODKEY,                       XK_a,	   togglescratch,  {.v = scratchpadcmd } },
+	{ MODKEY,						XK_a,	   togglescratch,  {.v = scratchpadcmd } },
+	{ MODKEY,						XK_Return, spawn,          {.v = termcmd } },
 	{ MODKEY,                       XK_b,      togglebar,      {0} },
 	{ MODKEY,                       XK_j,      focusstack,     {.i = +1 } },
 	{ MODKEY,                       XK_k,      focusstack,     {.i = -1 } },
@@ -99,70 +104,69 @@ static const Key keys[] = {
 	{ MODKEY,                       XK_p,      incnmaster,     {.i = -1 } },
 	{ MODKEY,                       XK_h,      setmfact,       {.f = -0.02} },
 	{ MODKEY,                       XK_l,      setmfact,       {.f = +0.02} },
-	{ MODKEY|ShiftMask,             XK_j,      movestack,      {.i = +1 } },
-	{ MODKEY|ShiftMask,             XK_k,      movestack,      {.i = -1 } },
+    { MODKEY|ShiftMask,             XK_j,      movestack,      {.i = +1 } },
+    { MODKEY|ShiftMask,             XK_k,      movestack,      {.i = -1 } },
 	{ MODKEY|ShiftMask,             XK_f,	   zoom,           {0} },
 	{ MODKEY,                       XK_Tab,    view,           {0} },
 	{ MODKEY|ShiftMask,             XK_q,      killclient,     {0} },
+	{ MODKEY,                       XK_s,      togglesticky,   {0} },
 	{ MODKEY,                       XK_t,      setlayout,      {.v = &layouts[0]} },
 	{ MODKEY,                       XK_m,      setlayout,      {.v = &layouts[1]} },
 	{ MODKEY|ShiftMask,             XK_space,  togglefloating, {0} },
-	{ MODKEY,			XK_f,      togglefullscr,  {0} },
+	{ MODKEY,						XK_f,      togglefullscr,  {0} },
 	{ MODKEY|ShiftMask,             XK_t,      togglefakefullscreen, {0} },
+	{ Mod1Mask|ControlMask,         XK_j,      moveresize,     {.v = "0x 25y 0w 0h" } },
+	{ Mod1Mask|ControlMask,         XK_k,	   moveresize,     {.v = "0x -25y 0w 0h" } },
+	{ Mod1Mask|ControlMask,         XK_l,	   moveresize,     {.v = "25x 0y 0w 0h" } },
+	{ Mod1Mask|ControlMask,         XK_h,      moveresize,     {.v = "-25x 0y 0w 0h" } },
+	{ Mod1Mask|ShiftMask,           XK_j,      moveresize,     {.v = "0x 0y 0w 25h" } },
+	{ Mod1Mask|ShiftMask,           XK_k,      moveresize,     {.v = "0x 0y 0w -25h" } },
+	{ Mod1Mask|ShiftMask,           XK_l,      moveresize,     {.v = "0x 0y 25w 0h" } },
+	{ Mod1Mask|ShiftMask,           XK_h,      moveresize,     {.v = "0x 0y -25w 0h" } },
+	{ MODKEY|ControlMask,           XK_Up,     moveresizeedge, {.v = "t"} },
+	{ MODKEY|ControlMask,           XK_Down,   moveresizeedge, {.v = "b"} },
+	{ MODKEY|ControlMask,           XK_Left,   moveresizeedge, {.v = "l"} },
+	{ MODKEY|ControlMask,           XK_Right,  moveresizeedge, {.v = "r"} },
+	{ MODKEY|ControlMask|ShiftMask, XK_Up,     moveresizeedge, {.v = "T"} },
+	{ MODKEY|ControlMask|ShiftMask, XK_Down,   moveresizeedge, {.v = "B"} },
+	{ MODKEY|ControlMask|ShiftMask, XK_Left,   moveresizeedge, {.v = "L"} },
+	{ MODKEY|ControlMask|ShiftMask, XK_Right,  moveresizeedge, {.v = "R"} },
 	{ 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 } }, 
-	{MODKEY,			XK_s,	   togglesticky,   {0}},
-	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)
-	/* Custom commands */
+	{ 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_o, spawn, {.v = turnoff}},
 	{MODKEY | ShiftMask, XK_l, spawn, SHCMD("slock")},
 
-
 	/* keyboard layout */
 	{Mod1Mask | ShiftMask, XK_e, spawn, SHCMD("setxkbmap -option caps:escape && setxkbmap -layout us && kill -45 $(pidof dwmblocks) && xmodmap /home/mouad/.Xmodmap")},
 	{Mod1Mask | ShiftMask, XK_f, spawn, SHCMD("setxkbmap -option caps:escape && setxkbmap -layout fr && kill -45 $(pidof dwmblocks) && xmodmap /home/mouad/.Xmodmap")},
 
-
 	/* dunst control */
-	{ControlMask, XK_7, spawn, SHCMD("dunstctl history-pop")},
-	{ControlMask, XK_space, spawn, SHCMD("dunstctl close")},
+	{ControlMask,			  XK_7,		spawn, SHCMD("dunstctl history-pop")},
+	{ControlMask,			  XK_space, spawn, SHCMD("dunstctl close")},
 	{ControlMask | ShiftMask, XK_space, spawn, SHCMD("dunstctl close-all")},
 
-	{ Mod1Mask|ControlMask,           XK_j,      moveresize,     {.v = "0x 25y 0w 0h" } },
-	{ Mod1Mask|ControlMask,           XK_k,		moveresize,     {.v = "0x -25y 0w 0h" } },
-	{ Mod1Mask|ControlMask,           XK_l,		moveresize,     {.v = "25x 0y 0w 0h" } },
-	{ Mod1Mask|ControlMask,           XK_h,      moveresize,     {.v = "-25x 0y 0w 0h" } },
-	{ Mod1Mask|ShiftMask,             XK_j,         moveresize,     {.v = "0x 0y 0w 25h" } },
-	{ Mod1Mask|ShiftMask,             XK_k,         moveresize,     {.v = "0x 0y 0w -25h" } },
-	{ Mod1Mask|ShiftMask,             XK_l,         moveresize,     {.v = "0x 0y 25w 0h" } },
-	{ Mod1Mask|ShiftMask,             XK_h,         moveresize,     {.v = "0x 0y -25w 0h" } },
-
-	{0, XF86XK_MonBrightnessUp, spawn, {.v = inc_bright}},
-	{0, XF86XK_MonBrightnessDown, spawn, {.v = dec_bright}},
-
-	{0, XF86XK_AudioRaiseVolume, spawn, {.v = inc_vol}},
-	{0, XF86XK_AudioLowerVolume, spawn, {.v = dec_vol}},
-	{0, XF86XK_AudioMute, spawn, {.v = toggle_vol}},
+	{0, XF86XK_MonBrightnessUp,		spawn, {.v = inc_bright}},
+	{0, XF86XK_MonBrightnessDown,	spawn, {.v = dec_bright}},
+	{0, XF86XK_AudioRaiseVolume,	spawn, {.v = inc_vol}},
+	{0, XF86XK_AudioLowerVolume,	spawn, {.v = dec_vol}},
+	{0, XF86XK_AudioMute,			spawn, {.v = toggle_vol}},
 
 	{MODKEY, XK_r, spawn, {.v = wallpaper}},
 
-	{MODKEY, XK_F1, spawn, {.v = dec_vol}},
-	{MODKEY, XK_F2, spawn, {.v = inc_vol}},
-	{MODKEY, XK_F3, spawn, {.v = toggle_vol}},
-
 	{Mod1Mask, XK_F1, spawn, SHCMD("mpc prev")},
 	{Mod1Mask, XK_F2, spawn, SHCMD("mpc toggle")},
 	{Mod1Mask, XK_F3, spawn, SHCMD("mpc next")},
@@ -188,8 +192,6 @@ static const Button buttons[] = {
 	{ ClkStatusText,        0,              Button1,        sigstatusbar,   {.i = 1} },
 	{ ClkStatusText,        0,              Button2,        sigstatusbar,   {.i = 2} },
 	{ ClkStatusText,        0,              Button3,        sigstatusbar,   {.i = 3} },
-	{ ClkStatusText,        0,              Button4,        sigstatusbar,   {.i = 4} },
-	{ ClkStatusText,        0,              Button5,        sigstatusbar,   {.i = 5} },
 	{ ClkClientWin,         MODKEY,         Button1,        movemouse,      {0} },
 	{ ClkClientWin,         MODKEY,         Button2,        togglefloating, {0} },
 	{ ClkClientWin,         MODKEY,         Button3,        resizemouse,    {0} },
diff --git a/config.mk b/config.mk
index f3ab392..b96cdb2 100644
--- a/config.mk
+++ b/config.mk
@@ -1,5 +1,5 @@
 # dwm version
-VERSION = 6.4
+VERSION = 6.6
 
 # Customize below to fit your system
 
@@ -22,13 +22,12 @@ FREETYPEINC = /usr/include/freetype2
 # OpenBSD (uncomment)
 #FREETYPEINC = ${X11INC}/freetype2
 #MANPREFIX = ${PREFIX}/man
-#KVMLIB = -lkvm
 
 BDLIBS = -lfribidi
 
 # includes and libs
 INCS = -I${X11INC} -I${FREETYPEINC} -I$(BDINC)
-LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS} $(BDLIBS) -lX11-xcb -lxcb -lxcb-res ${KVMLIB}
+LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS} $(BDLIBS)
 
 # flags
 CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_XOPEN_SOURCE=700L -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
diff --git a/drw.c b/drw.c
index a58a2b4..c41e6af 100644
--- a/drw.c
+++ b/drw.c
@@ -9,54 +9,40 @@
 #include "util.h"
 
 #define UTF_INVALID 0xFFFD
-#define UTF_SIZ     4
 
-static const unsigned char utfbyte[UTF_SIZ + 1] = {0x80,    0, 0xC0, 0xE0, 0xF0};
-static const unsigned char utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
-static const long utfmin[UTF_SIZ + 1] = {       0,    0,  0x80,  0x800,  0x10000};
-static const long utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
-
-static long
-utf8decodebyte(const char c, size_t *i)
-{
-	for (*i = 0; *i < (UTF_SIZ + 1); ++(*i))
-		if (((unsigned char)c & utfmask[*i]) == utfbyte[*i])
-			return (unsigned char)c & ~utfmask[*i];
-	return 0;
-}
-
-static size_t
-utf8validate(long *u, size_t i)
-{
-	if (!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
-		*u = UTF_INVALID;
-	for (i = 1; *u > utfmax[i]; ++i)
-		;
-	return i;
-}
-
-static size_t
-utf8decode(const char *c, long *u, size_t clen)
+static int
+utf8decode(const char *s_in, long *u, int *err)
 {
-	size_t i, j, len, type;
-	long udecoded;
-
+	static const unsigned char lens[] = {
+		/* 0XXXX */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+		/* 10XXX */ 0, 0, 0, 0, 0, 0, 0, 0,  /* invalid */
+		/* 110XX */ 2, 2, 2, 2,
+		/* 1110X */ 3, 3,
+		/* 11110 */ 4,
+		/* 11111 */ 0,  /* invalid */
+	};
+	static const unsigned char leading_mask[] = { 0x7F, 0x1F, 0x0F, 0x07 };
+	static const unsigned int overlong[] = { 0x0, 0x80, 0x0800, 0x10000 };
+
+	const unsigned char *s = (const unsigned char *)s_in;
+	int len = lens[*s >> 3];
 	*u = UTF_INVALID;
-	if (!clen)
-		return 0;
-	udecoded = utf8decodebyte(c[0], &len);
-	if (!BETWEEN(len, 1, UTF_SIZ))
+	*err = 1;
+	if (len == 0)
 		return 1;
-	for (i = 1, j = 1; i < clen && j < len; ++i, ++j) {
-		udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type);
-		if (type)
-			return j;
+
+	long cp = s[0] & leading_mask[len - 1];
+	for (int i = 1; i < len; ++i) {
+		if (s[i] == '\0' || (s[i] & 0xC0) != 0x80)
+			return i;
+		cp = (cp << 6) | (s[i] & 0x3F);
 	}
-	if (j < len)
-		return 0;
-	*u = udecoded;
-	utf8validate(u, len);
+	/* out of range, surrogate, overlong encoding */
+	if (cp > 0x10FFFF || (cp >> 11) == 0x1B || cp < overlong[len - 1])
+		return len;
 
+	*err = 0;
+	*u = cp;
 	return len;
 }
 
@@ -238,11 +224,11 @@ drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int
 int
 drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lpad, const char *text, int invert)
 {
-	int i, ty, ellipsis_x = 0;
-	unsigned int tmpw, ew, ellipsis_w = 0, ellipsis_len;
+	int ty, ellipsis_x = 0;
+	unsigned int tmpw, ew, ellipsis_w = 0, ellipsis_len, hash, h0, h1;
 	XftDraw *d = NULL;
 	Fnt *usedfont, *curfont, *nextfont;
-	int utf8strlen, utf8charlen, render = x || y || w || h;
+	int utf8strlen, utf8charlen, utf8err, render = x || y || w || h;
 	long utf8codepoint = 0;
 	const char *utf8str;
 	FcCharSet *fccharset;
@@ -251,9 +237,8 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
 	XftResult result;
 	int charexists = 0, overflow = 0;
 	/* keep track of a couple codepoints for which we have no match. */
-	enum { nomatches_len = 64 };
-	static struct { long codepoint[nomatches_len]; unsigned int idx; } nomatches;
-	static unsigned int ellipsis_width = 0;
+	static unsigned int nomatches[128], ellipsis_width, invalid_width;
+	static const char invalid[] = "�";
 
 	if (!drw || (render && (!drw->scheme || !w)) || !text || !drw->fonts)
 		return 0;
@@ -263,6 +248,8 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
 	} else {
 		XSetForeground(drw->dpy, drw->gc, drw->scheme[invert ? ColFg : ColBg].pixel);
 		XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
+		if (w < lpad)
+			return x + w;
 		d = XftDrawCreate(drw->dpy, drw->drawable,
 		                  DefaultVisual(drw->dpy, drw->screen),
 		                  DefaultColormap(drw->dpy, drw->screen));
@@ -273,12 +260,14 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
 	usedfont = drw->fonts;
 	if (!ellipsis_width && render)
 		ellipsis_width = drw_fontset_getwidth(drw, "...");
+	if (!invalid_width && render)
+		invalid_width = drw_fontset_getwidth(drw, invalid);
 	while (1) {
-		ew = ellipsis_len = utf8strlen = 0;
+		ew = ellipsis_len = utf8err = utf8charlen = utf8strlen = 0;
 		utf8str = text;
 		nextfont = NULL;
 		while (*text) {
-			utf8charlen = utf8decode(text, &utf8codepoint, UTF_SIZ);
+			utf8charlen = utf8decode(text, &utf8codepoint, &utf8err);
 			for (curfont = drw->fonts; curfont; curfont = curfont->next) {
 				charexists = charexists || XftCharExists(drw->dpy, curfont->xfont, utf8codepoint);
 				if (charexists) {
@@ -300,9 +289,9 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
 						else
 							utf8strlen = ellipsis_len;
 					} else if (curfont == usedfont) {
-						utf8strlen += utf8charlen;
 						text += utf8charlen;
-						ew += tmpw;
+						utf8strlen += utf8err ? 0 : utf8charlen;
+						ew += utf8err ? 0 : tmpw;
 					} else {
 						nextfont = curfont;
 					}
@@ -310,7 +299,7 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
 				}
 			}
 
-			if (overflow || !charexists || nextfont)
+			if (overflow || !charexists || nextfont || utf8err)
 				break;
 			else
 				charexists = 0;
@@ -325,6 +314,12 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
 			x += ew;
 			w -= ew;
 		}
+		if (utf8err && (!render || invalid_width < w)) {
+			if (render)
+				drw_text(drw, x, y, w, h, 0, invalid, invert);
+			x += invalid_width;
+			w -= invalid_width;
+		}
 		if (render && overflow)
 			drw_text(drw, ellipsis_x, y, ellipsis_w, h, 0, "...", invert);
 
@@ -338,11 +333,14 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
 			 * character must be drawn. */
 			charexists = 1;
 
-			for (i = 0; i < nomatches_len; ++i) {
-				/* avoid calling XftFontMatch if we know we won't find a match */
-				if (utf8codepoint == nomatches.codepoint[i])
-					goto no_match;
-			}
+			hash = (unsigned int)utf8codepoint;
+			hash = ((hash >> 16) ^ hash) * 0x21F0AAAD;
+			hash = ((hash >> 15) ^ hash) * 0xD35A2D97;
+			h0 = ((hash >> 15) ^ hash) % LENGTH(nomatches);
+			h1 = (hash >> 17) % LENGTH(nomatches);
+			/* avoid expensive XftFontMatch call when we know we won't find a match */
+			if (nomatches[h0] == utf8codepoint || nomatches[h1] == utf8codepoint)
+				goto no_match;
 
 			fccharset = FcCharSetCreate();
 			FcCharSetAddChar(fccharset, utf8codepoint);
@@ -371,7 +369,7 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
 					curfont->next = usedfont;
 				} else {
 					xfont_free(usedfont);
-					nomatches.codepoint[++nomatches.idx % nomatches_len] = utf8codepoint;
+					nomatches[nomatches[h0] ? h1 : h0] = utf8codepoint;
 no_match:
 					usedfont = drw->fonts;
 				}
diff --git a/dwm.c b/dwm.c
index cfda678..de11d51 100644
--- a/dwm.c
+++ b/dwm.c
@@ -41,12 +41,6 @@
 #include <X11/extensions/Xinerama.h>
 #endif /* XINERAMA */
 #include <X11/Xft/Xft.h>
-#include <X11/Xlib-xcb.h>
-#include <xcb/res.h>
-#ifdef __OpenBSD__
-#include <sys/sysctl.h>
-#include <kvm.h>
-#endif /* __OpenBSD */
 
 #include "drw.h"
 #include "util.h"
@@ -57,19 +51,33 @@
 #define INTERSECT(x,y,w,h,m)    (MAX(0, MIN((x)+(w),(m)->wx+(m)->ww) - MAX((x),(m)->wx)) \
                                * MAX(0, MIN((y)+(h),(m)->wy+(m)->wh) - MAX((y),(m)->wy)))
 #define ISVISIBLE(C)            ((C->tags & C->mon->tagset[C->mon->seltags]) || C->issticky)
-#define LENGTH(X)               (sizeof X / sizeof X[0])
 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 #define WIDTH(X)                ((X)->w + 2 * (X)->bw)
 #define HEIGHT(X)               ((X)->h + 2 * (X)->bw)
 #define TAGMASK                 ((1 << LENGTH(tags)) - 1)
 #define TEXTW(X)                (drw_fontset_getwidth(drw, (X)) + lrpad)
 
+#define SYSTEM_TRAY_REQUEST_DOCK    0
+/* XEMBED messages */
+#define XEMBED_EMBEDDED_NOTIFY      0
+#define XEMBED_WINDOW_ACTIVATE      1
+#define XEMBED_FOCUS_IN             4
+#define XEMBED_MODALITY_ON         10
+#define XEMBED_MAPPED              (1 << 0)
+#define XEMBED_WINDOW_ACTIVATE      1
+#define XEMBED_WINDOW_DEACTIVATE    2
+#define VERSION_MAJOR               0
+#define VERSION_MINOR               0
+#define XEMBED_EMBEDDED_VERSION (VERSION_MAJOR << 16) | VERSION_MINOR
+
 /* enums */
 enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
 enum { SchemeNorm, SchemeSel }; /* color schemes */
 enum { NetSupported, NetWMName, NetWMState, NetWMCheck,
+       NetSystemTray, NetSystemTrayOP, NetSystemTrayOrientation, NetSystemTrayOrientationHorz,
        NetWMFullscreen, NetWMSticky, NetActiveWindow, NetWMWindowType,
        NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
+enum { Manager, Xembed, XembedInfo, XLast }; /* Xembed atoms */
 enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */
 enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
        ClkClientWin, ClkRootWin, ClkLast }; /* clicks */
@@ -99,12 +107,10 @@ struct Client {
 	int basew, baseh, incw, inch, maxw, maxh, minw, minh, hintsvalid;
 	int bw, oldbw;
 	unsigned int tags;
-	int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen, issticky, isterminal, noswallow;
-	pid_t pid;
+	int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen, issticky;
 	int fakefullscreen;
 	Client *next;
 	Client *snext;
-	Client *swallowing;
 	Monitor *mon;
 	Window win;
 };
@@ -150,11 +156,15 @@ typedef struct {
 	const char *title;
 	unsigned int tags;
 	int isfloating;
-	int isterminal;
-	int noswallow;
 	int monitor;
 } Rule;
 
+typedef struct Systray   Systray;
+struct Systray {
+	Window win;
+	Client *icons;
+};
+
 /* function declarations */
 static void apply_fribidi(char *str);
 static void applyrules(Client *c);
@@ -189,6 +199,7 @@ static Atom getatomprop(Client *c, Atom prop);
 static int getrootptr(int *x, int *y);
 static long getstate(Window w);
 static pid_t getstatusbarpid();
+static unsigned int getsystraywidth();
 static int gettextprop(Window w, Atom atom, char *text, unsigned int size);
 static void grabbuttons(Client *c, int focused);
 static void grabkeys(void);
@@ -201,19 +212,21 @@ static void maprequest(XEvent *e);
 static void monocle(Monitor *m);
 static void motionnotify(XEvent *e);
 static void moveresize(const Arg *arg);
+static void moveresizeedge(const Arg *arg);
 static void movemouse(const Arg *arg);
 static Client *nexttiled(Client *c);
-/* static void pop(Client *c); */
 static void propertynotify(XEvent *e);
-/* static void quit(const Arg *arg); */
 static Monitor *recttomon(int x, int y, int w, int h);
+static void removesystrayicon(Client *i);
 static void resize(Client *c, int x, int y, int w, int h, int interact);
+static void resizebarwin(Monitor *m);
 static void resizeclient(Client *c, int x, int y, int w, int h);
 static void resizemouse(const Arg *arg);
+static void resizerequest(XEvent *e);
 static void restack(Monitor *m);
 static void run(void);
 static void scan(void);
-static int sendevent(Client *c, Atom proto);
+static int sendevent(Window w, Atom proto, int m, long d0, long d1, long d2, long d3, long d4);
 static void sendmon(Client *c, Monitor *m);
 static void setclientstate(Client *c, long state);
 static void setfocus(Client *c);
@@ -226,14 +239,15 @@ static void seturgent(Client *c, int urg);
 static void showhide(Client *c);
 static void sigstatusbar(const Arg *arg);
 static void spawn(const Arg *arg);
+static Monitor *systraytomon(Monitor *m);
 static void tag(const Arg *arg);
 static void tagmon(const Arg *arg);
 static void tile(Monitor *m);
 static void togglebar(const Arg *arg);
 static void togglefakefullscreen(const Arg *arg);
 static void togglefloating(const Arg *arg);
-static void togglesticky(const Arg *arg);
 static void togglefullscr(const Arg *arg);
+static void togglesticky(const Arg *arg);
 static void togglescratch(const Arg *arg);
 static void toggletag(const Arg *arg);
 static void toggleview(const Arg *arg);
@@ -247,25 +261,24 @@ static int updategeom(void);
 static void updatenumlockmask(void);
 static void updatesizehints(Client *c);
 static void updatestatus(void);
+static void updatesystray(void);
+static void updatesystrayicongeom(Client *i, int w, int h);
+static void updatesystrayiconstate(Client *i, XPropertyEvent *ev);
 static void updatetitle(Client *c);
 static void updatewindowtype(Client *c);
 static void updatewmhints(Client *c);
 static void view(const Arg *arg);
 static Client *wintoclient(Window w);
 static Monitor *wintomon(Window w);
+static Client *wintosystrayicon(Window w);
 static int xerror(Display *dpy, XErrorEvent *ee);
 static int xerrordummy(Display *dpy, XErrorEvent *ee);
 static int xerrorstart(Display *dpy, XErrorEvent *ee);
 static void zoom(const Arg *arg);
 
-static pid_t getparentprocess(pid_t p);
-static int isdescprocess(pid_t p, pid_t c);
-static Client *swallowingclient(Window w);
-static Client *termforwin(const Client *c);
-static pid_t winpid(Window w);
-
 /* variables */
 static Client *prevzoom = NULL;
+static Systray *systray = NULL;
 static const char broken[] = "broken";
 static char stext[256];
 static char fribidi_text[256];
@@ -292,9 +305,10 @@ static void (*handler[LASTEvent]) (XEvent *) = {
 	[MapRequest] = maprequest,
 	[MotionNotify] = motionnotify,
 	[PropertyNotify] = propertynotify,
+	[ResizeRequest] = resizerequest,
 	[UnmapNotify] = unmapnotify
 };
-static Atom wmatom[WMLast], netatom[NetLast];
+static Atom wmatom[WMLast], netatom[NetLast], xatom[XLast];
 static int running = 1;
 static Cur *cursor[CurLast];
 static Clr **scheme;
@@ -303,11 +317,11 @@ static Drw *drw;
 static Monitor *mons, *selmon;
 static Window root, wmcheckwin;
 
-static xcb_connection_t *xcon;
-
 /* configuration, allows nested code to access above variables */
 #include "config.h"
 
+static unsigned int scratchtag = 1 << LENGTH(tags);
+
 struct Pertag {
 	unsigned int curtag, prevtag; /* current and previous tag */
 	int nmasters[LENGTH(tags) + 1]; /* number of windows in master area */
@@ -317,8 +331,6 @@ struct Pertag {
 	int showbars[LENGTH(tags) + 1]; /* display bar for the current tag */
 };
 
-static unsigned int scratchtag = 1 << LENGTH(tags);
-
 /* compile-time check if all tags fit into an unsigned int bit array. */
 struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; };
 
@@ -360,8 +372,6 @@ applyrules(Client *c)
 		&& (!r->class || strstr(class, r->class))
 		&& (!r->instance || strstr(instance, r->instance)))
 		{
-			c->isterminal = r->isterminal;
-			c->noswallow  = r->noswallow;
 			c->isfloating = r->isfloating;
 			c->tags |= r->tags;
 			for (m = mons; m && m->num != r->monitor; m = m->next);
@@ -481,53 +491,6 @@ attachstack(Client *c)
 }
 
 void
-swallow(Client *p, Client *c)
-{
-
-	if (c->noswallow || c->isterminal)
-		return;
-	if (c->noswallow && !swallowfloating && c->isfloating)
-		return;
-
-	detach(c);
-	detachstack(c);
-
-	setclientstate(c, WithdrawnState);
-	XUnmapWindow(dpy, p->win);
-
-	p->swallowing = c;
-	c->mon = p->mon;
-
-	Window w = p->win;
-	p->win = c->win;
-	c->win = w;
-	updatetitle(p);
-	XMoveResizeWindow(dpy, p->win, p->x, p->y, p->w, p->h);
-	arrange(p->mon);
-	configure(p);
-	updateclientlist();
-}
-
-void
-unswallow(Client *c)
-{
-	c->win = c->swallowing->win;
-
-	free(c->swallowing);
-	c->swallowing = NULL;
-
-	/* unfullscreen the client */
-	setfullscreen(c, 0);
-	updatetitle(c);
-	arrange(c->mon);
-	XMapWindow(dpy, c->win);
-	XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
-	setclientstate(c, NormalState);
-	focus(NULL);
-	arrange(c->mon);
-}
-
-void
 buttonpress(XEvent *e)
 {
 	unsigned int i, x, click;
@@ -548,7 +511,7 @@ buttonpress(XEvent *e)
 		i = x = 0;
 		unsigned int occ = 0;
 		for(c = m->clients; c; c=c->next)
-			occ |= c->tags;
+			occ |= c->tags == TAGMASK ? 0 : c->tags;
 		do {
 			/* Do not reserve space for vacant tags */
 			if (!(occ & 1 << i || m->tagset[m->seltags] & 1 << i))
@@ -560,8 +523,9 @@ buttonpress(XEvent *e)
 			arg.ui = 1 << i;
 		} else if (ev->x < x + TEXTW(selmon->ltsymbol))
 			click = ClkLtSymbol;
-		else if (ev->x > selmon->ww - statusw) {
-			x = selmon->ww - statusw;
+		else if (ev->x > selmon->ww - statusw - getsystraywidth()) {
+			x = selmon->ww - statusw - getsystraywidth(); //This wasn't there before
+			// x = selmon->ww - statusw;
 			click = ClkStatusText;
 			statussig = 0;
 			for (text = s = stext; *s && x <= ev->x; s++) {
@@ -573,7 +537,11 @@ buttonpress(XEvent *e)
 					text = s + 1;
 					if (x >= ev->x)
 						break;
-					statussig = ch;
+					/* reset on matching signal raw byte */
+					if (ch == statussig)
+						statussig = 0;
+					else
+						statussig = ch;
 				}
 			}
 		} else
@@ -617,6 +585,13 @@ cleanup(void)
 	XUngrabKey(dpy, AnyKey, AnyModifier, root);
 	while (mons)
 		cleanupmon(mons);
+
+	if (showsystray) {
+		XUnmapWindow(dpy, systray->win);
+		XDestroyWindow(dpy, systray->win);
+		free(systray);
+	}
+
 	for (i = 0; i < CurLast; i++)
 		drw_cur_free(drw, cursor[i]);
 	for (i = 0; i < LENGTH(colors); i++)
@@ -648,9 +623,58 @@ cleanupmon(Monitor *mon)
 void
 clientmessage(XEvent *e)
 {
+	XWindowAttributes wa;
+	XSetWindowAttributes swa;
 	XClientMessageEvent *cme = &e->xclient;
 	Client *c = wintoclient(cme->window);
 
+	if (showsystray && cme->window == systray->win && cme->message_type == netatom[NetSystemTrayOP]) {
+		/* add systray icons */
+		if (cme->data.l[1] == SYSTEM_TRAY_REQUEST_DOCK) {
+			if (!(c = (Client *)calloc(1, sizeof(Client))))
+				die("fatal: could not malloc() %u bytes\n", sizeof(Client));
+			if (!(c->win = cme->data.l[2])) {
+				free(c);
+				return;
+			}
+			c->mon = selmon;
+			c->next = systray->icons;
+			systray->icons = c;
+			if (!XGetWindowAttributes(dpy, c->win, &wa)) {
+				/* use sane defaults */
+				wa.width = bh;
+				wa.height = bh;
+				wa.border_width = 0;
+			}
+			c->x = c->oldx = c->y = c->oldy = 0;
+			c->w = c->oldw = wa.width;
+			c->h = c->oldh = wa.height;
+			c->oldbw = wa.border_width;
+			c->bw = 0;
+			c->isfloating = True;
+			/* reuse tags field as mapped status */
+			c->tags = 1;
+			updatesizehints(c);
+			updatesystrayicongeom(c, wa.width, wa.height);
+			XAddToSaveSet(dpy, c->win);
+			XSelectInput(dpy, c->win, StructureNotifyMask | PropertyChangeMask | ResizeRedirectMask);
+			XReparentWindow(dpy, c->win, systray->win, 0, 0);
+			/* use parents background color */
+			swa.background_pixel  = scheme[SchemeNorm][ColBg].pixel;
+			XChangeWindowAttributes(dpy, c->win, CWBackPixel, &swa);
+			sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_EMBEDDED_NOTIFY, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
+			/* FIXME not sure if I have to send these events, too */
+			sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_FOCUS_IN, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
+			sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_WINDOW_ACTIVATE, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
+			sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_MODALITY_ON, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
+			XSync(dpy, False);
+			resizebarwin(selmon);
+			updatesystray();
+			setclientstate(c, NormalState);
+		}
+		return;
+	}
+
 	if (!c)
 		return;
 	if (cme->message_type == netatom[NetWMState]) {
@@ -707,7 +731,7 @@ configurenotify(XEvent *e)
 				for (c = m->clients; c; c = c->next)
 					if (c->isfullscreen && c->fakefullscreen != 1)
 						resizeclient(c, m->mx, m->my, m->mw, m->mh);
-				XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh);
+				resizebarwin(m);
 			}
 			focus(NULL);
 			arrange(NULL);
@@ -807,9 +831,11 @@ destroynotify(XEvent *e)
 
 	if ((c = wintoclient(ev->window)))
 		unmanage(c, 1);
-
-	else if ((c = swallowingclient(ev->window)))
-		unmanage(c->swallowing, 1);
+	else if ((c = wintosystrayicon(ev->window))) {
+		removesystrayicon(c);
+		resizebarwin(selmon);
+		updatesystray();
+	}
 }
 
 void
@@ -853,7 +879,7 @@ dirtomon(int dir)
 void
 drawbar(Monitor *m)
 {
-	int x, w, tw = 0;
+	int x, w, tw = 0, stw = 0;
 	int boxs = drw->fonts->h / 9;
 	int boxw = drw->fonts->h / 6 + 2;
 	unsigned int i, occ = 0, urg = 0;
@@ -862,6 +888,9 @@ drawbar(Monitor *m)
 	if (!m->showbar)
 		return;
 
+	if(showsystray && m == systraytomon(m) && !systrayonleft)
+		stw = getsystraywidth();
+
 	/* draw status first so it can be overdrawn by tags later */
 	if (m == selmon) { /* status is only drawn on selected monitor */
 		char *text, *s, ch;
@@ -873,19 +902,20 @@ drawbar(Monitor *m)
 				ch = *s;
 				*s = '\0';
 				tw = TEXTW(text) - lrpad;
-				drw_text(drw, m->ww - statusw + x, 0, tw, bh, 0, text, 0);
+				drw_text(drw, m->ww - statusw - stw + x, 0, tw, bh, 0, text, 0);
 				x += tw;
 				*s = ch;
 				text = s + 1;
 			}
 		}
 		tw = TEXTW(text) - lrpad + 2;
-		drw_text(drw, m->ww - statusw + x, 0, tw, bh, 0, text, 0);
+		drw_text(drw, m->ww - statusw - stw + x, 0, tw, bh, 0, text, 0);
 		tw = statusw;
 	}
 
+	resizebarwin(m);
 	for (c = m->clients; c; c = c->next) {
-		occ |= c->tags;
+		occ |= c->tags == TAGMASK ? 0 : c->tags;
 		if (c->isurgent)
 			urg |= c->tags;
 	}
@@ -903,7 +933,7 @@ drawbar(Monitor *m)
 	drw_setscheme(drw, scheme[SchemeNorm]);
 	x = drw_text(drw, x, 0, w, bh, lrpad / 2, m->ltsymbol, 0);
 
-	if ((w = m->ww - tw - x) > bh) {
+	if ((w = m->ww - tw - stw - x) > bh) {
 		if (m->sel) {
 			drw_setscheme(drw, scheme[m == selmon ? SchemeSel : SchemeNorm]);
 			apply_fribidi(m->sel->name);
@@ -915,7 +945,7 @@ drawbar(Monitor *m)
 			drw_rect(drw, x, 0, w, bh, 1, 1);
 		}
 	}
-	drw_map(drw, m->barwin, 0, 0, m->ww, bh);
+	drw_map(drw, m->barwin, 0, 0, m->ww - stw, bh);
 }
 
 void
@@ -952,8 +982,11 @@ expose(XEvent *e)
 	Monitor *m;
 	XExposeEvent *ev = &e->xexpose;
 
-	if (ev->count == 0 && (m = wintomon(ev->window)))
+	if (ev->count == 0 && (m = wintomon(ev->window))) {
 		drawbar(m);
+		if (m == selmon)
+			updatesystray();
+	}
 }
 
 Client *
@@ -966,7 +999,6 @@ findbefore(Client *c)
 	return tmp;
 }
 
-
 void
 focus(Client *c)
 {
@@ -1052,14 +1084,31 @@ getatomprop(Client *c, Atom prop)
 	unsigned char *p = NULL;
 	Atom da, atom = None;
 
-	if (XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, XA_ATOM,
+	/* FIXME getatomprop should return the number of items and a pointer to
+	 * the stored data instead of this workaround */
+	Atom req = XA_ATOM;
+	if (prop == xatom[XembedInfo])
+		req = xatom[XembedInfo];
+
+	if (XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, req,
 		&da, &di, &dl, &dl, &p) == Success && p) {
 		atom = *(Atom *)p;
+		if (da == xatom[XembedInfo] && dl == 2)
+			atom = ((Atom *)p)[1];
 		XFree(p);
 	}
 	return atom;
 }
 
+unsigned int
+getsystraywidth()
+{
+	unsigned int w = 0;
+	Client *i;
+	if(showsystray)
+		for(i = systray->icons; i; w += i->w + systrayspacing, i = i->next) ;
+	return w ? w + systrayspacing : 1;
+}
 
 pid_t
 getstatusbarpid()
@@ -1085,6 +1134,7 @@ getstatusbarpid()
 	return strtol(buf, NULL, 10);
 }
 
+
 int
 getrootptr(int *x, int *y)
 {
@@ -1225,7 +1275,8 @@ killclient(const Arg *arg)
 {
 	if (!selmon->sel)
 		return;
-	if (!sendevent(selmon->sel, wmatom[WMDelete])) {
+
+	if (!sendevent(selmon->sel->win, wmatom[WMDelete], NoEventMask, wmatom[WMDelete], CurrentTime, 0 , 0, 0)) {
 		XGrabServer(dpy);
 		XSetErrorHandler(xerrordummy);
 		XSetCloseDownMode(dpy, DestroyAll);
@@ -1239,13 +1290,12 @@ killclient(const Arg *arg)
 void
 manage(Window w, XWindowAttributes *wa)
 {
-	Client *c, *t = NULL, *term = NULL;
+	Client *c, *t = NULL;
 	Window trans = None;
 	XWindowChanges wc;
 
 	c = ecalloc(1, sizeof(Client));
 	c->win = w;
-	c->pid = winpid(w);
 	/* geometry */
 	c->x = c->oldx = wa->x;
 	c->y = c->oldy = wa->y;
@@ -1260,7 +1310,6 @@ manage(Window w, XWindowAttributes *wa)
 	} else {
 		c->mon = selmon;
 		applyrules(c);
-		term = termforwin(c);
 	}
 
 	if (c->x + WIDTH(c) > c->mon->wx + c->mon->ww)
@@ -1303,8 +1352,6 @@ manage(Window w, XWindowAttributes *wa)
 	c->mon->sel = c;
 	arrange(c->mon);
 	XMapWindow(dpy, c->win);
-	if (term)
-		swallow(term, c);
 	focus(NULL);
 }
 
@@ -1324,6 +1371,13 @@ maprequest(XEvent *e)
 	static XWindowAttributes wa;
 	XMapRequestEvent *ev = &e->xmaprequest;
 
+	Client *i;
+	if ((i = wintosystrayicon(ev->window))) {
+		sendevent(i->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_WINDOW_ACTIVATE, 0, systray->win, XEMBED_EMBEDDED_VERSION);
+		resizebarwin(selmon);
+		updatesystray();
+	}
+
 	if (!XGetWindowAttributes(dpy, ev->window, &wa) || wa.override_redirect)
 		return;
 	if (!wintoclient(ev->window))
@@ -1399,7 +1453,7 @@ movemouse(const Arg *arg)
 			handler[ev.type](&ev);
 			break;
 		case MotionNotify:
-			if ((ev.xmotion.time - lasttime) <= (1000 / 60))
+			if ((ev.xmotion.time - lasttime) <= (1000 / refreshrate))
 				continue;
 			lasttime = ev.xmotion.time;
 
@@ -1429,6 +1483,159 @@ movemouse(const Arg *arg)
 	}
 }
 
+void
+moveresize(const Arg *arg) {
+	/* only floating windows can be moved */
+	Client *c;
+	c = selmon->sel;
+	int x, y, w, h, nx, ny, nw, nh, ox, oy, ow, oh;
+	char xAbs, yAbs, wAbs, hAbs;
+	int msx, msy, dx, dy, nmx, nmy;
+	unsigned int dui;
+	Window dummy;
+
+	if (!c || !arg)
+		return;
+	if (selmon->lt[selmon->sellt]->arrange && !c->isfloating)
+		return;
+	if (sscanf((char *)arg->v, "%d%c %d%c %d%c %d%c", &x, &xAbs, &y, &yAbs, &w, &wAbs, &h, &hAbs) != 8)
+		return;
+
+	/* compute new window position; prevent window from be positioned outside the current monitor */
+	nw = c->w + w;
+	if (wAbs == 'W')
+		nw = w < selmon->mw - 2 * c->bw ? w : selmon->mw - 2 * c->bw;
+
+	nh = c->h + h;
+	if (hAbs == 'H')
+		nh = h < selmon->mh - 2 * c->bw ? h : selmon->mh - 2 * c->bw;
+
+	nx = c->x + x;
+	if (xAbs == 'X') {
+		if (x < selmon->mx)
+			nx = selmon->mx;
+		else if (x > selmon->mx + selmon->mw)
+			nx = selmon->mx + selmon->mw - nw - 2 * c->bw;
+		else
+			nx = x;
+	}
+
+	ny = c->y + y;
+	if (yAbs == 'Y') {
+		if (y < selmon->my)
+			ny = selmon->my;
+		else if (y > selmon->my + selmon->mh)
+			ny = selmon->my + selmon->mh - nh - 2 * c->bw;
+		else
+			ny = y;
+	}
+
+	ox = c->x;
+	oy = c->y;
+	ow = c->w;
+	oh = c->h;
+
+	XRaiseWindow(dpy, c->win);
+	Bool xqp = XQueryPointer(dpy, root, &dummy, &dummy, &msx, &msy, &dx, &dy, &dui);
+	resize(c, nx, ny, nw, nh, True);
+
+	/* move cursor along with the window to avoid problems caused by the sloppy focus */
+	if (xqp && ox <= msx && (ox + ow) >= msx && oy <= msy && (oy + oh) >= msy)
+	{
+		nmx = c->x - ox + c->w - ow;
+		nmy = c->y - oy + c->h - oh;
+		/* make sure the cursor stays inside the window */
+		if ((msx + nmx) > c->x && (msy + nmy) > c->y)
+			XWarpPointer(dpy, None, None, 0, 0, 0, 0, nmx, nmy);
+	}
+}
+
+void
+moveresizeedge(const Arg *arg) {
+	/* move or resize floating window to edge of screen */
+	Client *c;
+	c = selmon->sel;
+	char e;
+	int nx, ny, nw, nh, ox, oy, ow, oh, bp;
+	int msx, msy, dx, dy, nmx, nmy;
+	int starty;
+	unsigned int dui;
+	Window dummy;
+
+	nx = c->x;
+	ny = c->y;
+	nw = c->w;
+	nh = c->h;
+
+	starty = selmon->showbar && topbar ? bh : 0;
+	bp = selmon->showbar && !topbar ? bh : 0;
+
+	if (!c || !arg)
+		return;
+	if (selmon->lt[selmon->sellt]->arrange && !c->isfloating)
+		return;
+	if(sscanf((char *)arg->v, "%c", &e) != 1)
+		return;
+
+	if(e == 't')
+		ny = starty;
+
+	if(e == 'b')
+		ny = c->h > selmon->mh - 2 * c->bw ? c->h - bp : selmon->mh - c->h - 2 * c->bw - bp;
+
+	if(e == 'l')
+		nx = selmon->mx;
+
+	if(e == 'r')
+		nx = c->w > selmon->mw - 2 * c->bw ? selmon->mx + c->w : selmon->mx + selmon->mw - c->w - 2 * c->bw;
+
+	if(e == 'T') {
+		/* if you click to resize again, it will return to old size/position */
+		if(c->h + starty == c->oldh + c->oldy) {
+			nh = c->oldh;
+			ny = c->oldy;
+		} else {
+			nh = c->h + c->y - starty;
+			ny = starty;
+		}
+	}
+
+	if(e == 'B')
+		nh = c->h + c->y + 2 * c->bw + bp == selmon->mh ? c->oldh : selmon->mh - c->y - 2 * c->bw - bp;
+
+	if(e == 'L') {
+		if(selmon->mx + c->w == c->oldw + c->oldx) {
+			nw = c->oldw;
+			nx = c->oldx;
+		} else {
+			nw = c->w + c->x - selmon->mx;
+			nx = selmon->mx;
+		}
+	}
+
+	if(e == 'R')
+		nw = c->w + c->x + 2 * c->bw == selmon->mx + selmon->mw ? c->oldw : selmon->mx + selmon->mw - c->x - 2 * c->bw;
+
+	ox = c->x;
+	oy = c->y;
+	ow = c->w;
+	oh = c->h;
+
+	XRaiseWindow(dpy, c->win);
+	Bool xqp = XQueryPointer(dpy, root, &dummy, &dummy, &msx, &msy, &dx, &dy, &dui);
+	resizeclient(c, nx, ny, nw, nh);
+
+	/* move cursor along with the window to avoid problems caused by the sloppy focus */
+	if (xqp && ox <= msx && (ox + ow) >= msx && oy <= msy && (oy + oh) >= msy) {
+		nmx = c->x - ox + c->w - ow;
+		nmy = c->y - oy + c->h - oh;
+		/* make sure the cursor stays inside the window */
+		if ((msx + nmx) > c->x && (msy + nmy) > c->y)
+			XWarpPointer(dpy, None, None, 0, 0, 0, 0, nmx, nmy);
+	}
+}
+
+
 Client *
 nexttiled(Client *c)
 {
@@ -1436,15 +1643,6 @@ nexttiled(Client *c)
 	return c;
 }
 
-/* void */
-/* pop(Client *c) */
-/* { */
-/* 	detach(c); */
-/* 	attach(c); */
-/* 	focus(c); */
-/* 	arrange(c->mon); */
-/* } */
-
 void
 propertynotify(XEvent *e)
 {
@@ -1452,6 +1650,17 @@ propertynotify(XEvent *e)
 	Window trans;
 	XPropertyEvent *ev = &e->xproperty;
 
+	if ((c = wintosystrayicon(ev->window))) {
+		if (ev->atom == XA_WM_NORMAL_HINTS) {
+			updatesizehints(c);
+			updatesystrayicongeom(c, c->w, c->h);
+		}
+		else
+			updatesystrayiconstate(c, ev);
+		resizebarwin(selmon);
+		updatesystray();
+	}
+
 	if ((ev->window == root) && (ev->atom == XA_WM_NAME))
 		updatestatus();
 	else if (ev->state == PropertyDelete)
@@ -1482,12 +1691,6 @@ propertynotify(XEvent *e)
 	}
 }
 
-/* void */
-/* quit(const Arg *arg) */
-/* { */
-/* 	running = 0; */
-/* } */
-
 Monitor *
 recttomon(int x, int y, int w, int h)
 {
@@ -1503,6 +1706,19 @@ recttomon(int x, int y, int w, int h)
 }
 
 void
+removesystrayicon(Client *i)
+{
+	Client **ii;
+
+	if (!showsystray || !i)
+		return;
+	for (ii = &systray->icons; *ii && *ii != i; ii = &(*ii)->next);
+	if (ii)
+		*ii = i->next;
+	free(i);
+}
+
+void
 resize(Client *c, int x, int y, int w, int h, int interact)
 {
 	if (applysizehints(c, &x, &y, &w, &h, interact))
@@ -1510,6 +1726,14 @@ resize(Client *c, int x, int y, int w, int h, int interact)
 }
 
 void
+resizebarwin(Monitor *m) {
+	unsigned int w = m->ww;
+	if (showsystray && m == systraytomon(m) && !systrayonleft)
+		w -= getsystraywidth();
+	XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, w, bh);
+}
+
+void
 resizeclient(Client *c, int x, int y, int w, int h)
 {
 	XWindowChanges wc;
@@ -1536,6 +1760,19 @@ resizeclient(Client *c, int x, int y, int w, int h)
 }
 
 void
+resizerequest(XEvent *e)
+{
+	XResizeRequestEvent *ev = &e->xresizerequest;
+	Client *i;
+
+	if ((i = wintosystrayicon(ev->window))) {
+		updatesystrayicongeom(i, ev->width, ev->height);
+		resizebarwin(selmon);
+		updatesystray();
+	}
+}
+
+void
 resizemouse(const Arg *arg)
 {
 	int ocx, ocy, nw, nh;
@@ -1564,7 +1801,7 @@ resizemouse(const Arg *arg)
 			handler[ev.type](&ev);
 			break;
 		case MotionNotify:
-			if ((ev.xmotion.time - lasttime) <= (1000 / 60))
+			if ((ev.xmotion.time - lasttime) <= (1000 / refreshrate))
 				continue;
 			lasttime = ev.xmotion.time;
 
@@ -1681,26 +1918,37 @@ setclientstate(Client *c, long state)
 }
 
 int
-sendevent(Client *c, Atom proto)
+sendevent(Window w, Atom proto, int mask, long d0, long d1, long d2, long d3, long d4)
 {
 	int n;
-	Atom *protocols;
+	Atom *protocols, mt;
 	int exists = 0;
 	XEvent ev;
 
-	if (XGetWMProtocols(dpy, c->win, &protocols, &n)) {
-		while (!exists && n--)
-			exists = protocols[n] == proto;
-		XFree(protocols);
+	if (proto == wmatom[WMTakeFocus] || proto == wmatom[WMDelete]) {
+		mt = wmatom[WMProtocols];
+		if (XGetWMProtocols(dpy, w, &protocols, &n)) {
+			while (!exists && n--)
+				exists = protocols[n] == proto;
+			XFree(protocols);
+		}
 	}
+	else {
+		exists = True;
+		mt = proto;
+	}
+
 	if (exists) {
 		ev.type = ClientMessage;
-		ev.xclient.window = c->win;
-		ev.xclient.message_type = wmatom[WMProtocols];
+		ev.xclient.window = w;
+		ev.xclient.message_type = mt;
 		ev.xclient.format = 32;
-		ev.xclient.data.l[0] = proto;
-		ev.xclient.data.l[1] = CurrentTime;
-		XSendEvent(dpy, c->win, False, NoEventMask, &ev);
+		ev.xclient.data.l[0] = d0;
+		ev.xclient.data.l[1] = d1;
+		ev.xclient.data.l[2] = d2;
+		ev.xclient.data.l[3] = d3;
+		ev.xclient.data.l[4] = d4;
+		XSendEvent(dpy, w, False, mask, &ev);
 	}
 	return exists;
 }
@@ -1714,7 +1962,7 @@ setfocus(Client *c)
 			XA_WINDOW, 32, PropModeReplace,
 			(unsigned char *) &(c->win), 1);
 	}
-	sendevent(c, wmatom[WMTakeFocus]);
+	sendevent(c->win, wmatom[WMTakeFocus], NoEventMask, wmatom[WMTakeFocus], CurrentTime, 0, 0, 0);
 }
 
 void
@@ -1756,14 +2004,14 @@ setsticky(Client *c, int sticky)
 {
 
     if(sticky && !c->issticky) {
-        XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32,
-                PropModeReplace, (unsigned char *) &netatom[NetWMSticky], 1);
-        c->issticky = 1;
+   	 XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32,
+   			 PropModeReplace, (unsigned char *) &netatom[NetWMSticky], 1);
+   	 c->issticky = 1;
     } else if(!sticky && c->issticky){
-        XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32,
-                PropModeReplace, (unsigned char *)0, 0);
-        c->issticky = 0;
-        arrange(c->mon);
+   	 XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32,
+   			 PropModeReplace, (unsigned char *)0, 0);
+   	 c->issticky = 0;
+   	 arrange(c->mon);
     }
 }
 
@@ -1832,6 +2080,10 @@ setup(void)
 	wmatom[WMTakeFocus] = XInternAtom(dpy, "WM_TAKE_FOCUS", False);
 	netatom[NetActiveWindow] = XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False);
 	netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
+	netatom[NetSystemTray] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_S0", False);
+	netatom[NetSystemTrayOP] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_OPCODE", False);
+	netatom[NetSystemTrayOrientation] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION", False);
+	netatom[NetSystemTrayOrientationHorz] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION_HORZ", False);
 	netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
 	netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False);
 	netatom[NetWMCheck] = XInternAtom(dpy, "_NET_SUPPORTING_WM_CHECK", False);
@@ -1840,6 +2092,9 @@ setup(void)
 	netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
 	netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False);
 	netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False);
+	xatom[Manager] = XInternAtom(dpy, "MANAGER", False);
+	xatom[Xembed] = XInternAtom(dpy, "_XEMBED", False);
+	xatom[XembedInfo] = XInternAtom(dpy, "_XEMBED_INFO", False);
 	/* init cursors */
 	cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr);
 	cursor[CurResize] = drw_cur_create(drw, XC_sizing);
@@ -1848,6 +2103,8 @@ setup(void)
 	scheme = ecalloc(LENGTH(colors), sizeof(Clr *));
 	for (i = 0; i < LENGTH(colors); i++)
 		scheme[i] = drw_scm_create(drw, colors[i], 3);
+	/* init system tray */
+	updatesystray();
 	/* init bars */
 	updatebars();
 	updatestatus();
@@ -1993,7 +2250,18 @@ togglebar(const Arg *arg)
 {
 	selmon->showbar = selmon->pertag->showbars[selmon->pertag->curtag] = !selmon->showbar;
 	updatebarpos(selmon);
-	XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh);
+	resizebarwin(selmon);
+	if (showsystray) {
+		XWindowChanges wc;
+		if (!selmon->showbar)
+			wc.y = -bh;
+		else if (selmon->showbar) {
+			wc.y = 0;
+			if (!selmon->topbar)
+				wc.y = selmon->mh - bh;
+		}
+		XConfigureWindow(dpy, systray->win, CWY, &wc);
+	}
 	arrange(selmon);
 }
 
@@ -2048,22 +2316,6 @@ togglefloating(const Arg *arg)
 }
 
 void
-togglefullscr(const Arg *arg)
-{
-  if(selmon->sel)
-    setfullscreen(selmon->sel, !selmon->sel->isfullscreen);
-}
-
-void
-togglesticky(const Arg *arg)
-{
-	if (!selmon->sel)
-		return;
-    setsticky(selmon->sel, !selmon->sel->issticky);
-	arrange(selmon);
-}
-
-void
 togglescratch(const Arg *arg)
 {
 	Client *c;
@@ -2085,6 +2337,21 @@ togglescratch(const Arg *arg)
 		spawn(arg);
 }
 
+void
+togglesticky(const Arg *arg)
+{
+	if (!selmon->sel)
+		return;
+	setsticky(selmon->sel, !selmon->sel->issticky);
+	arrange(selmon);
+}
+ 
+void
+togglefullscr(const Arg *arg)
+{
+  if(selmon->sel)
+    setfullscreen(selmon->sel, !selmon->sel->isfullscreen);
+}
 
 void
 toggletag(const Arg *arg)
@@ -2156,20 +2423,6 @@ unmanage(Client *c, int destroyed)
 	Monitor *m = c->mon;
 	XWindowChanges wc;
 
-	if (c->swallowing) {
-		unswallow(c);
-		return;
-	}
-
-	Client *s = swallowingclient(c->win);
-	if (s) {
-		free(s->swallowing);
-		s->swallowing = NULL;
-		arrange(m);
-		focus(NULL);
-		return;
-	}
-
 	detach(c);
 	detachstack(c);
 	if (!destroyed) {
@@ -2185,13 +2438,9 @@ unmanage(Client *c, int destroyed)
 		XUngrabServer(dpy);
 	}
 	free(c);
-
-	if (!s) {
-		arrange(m);
-		focus(NULL);
-		updateclientlist();
-	}
-
+	focus(NULL);
+	updateclientlist();
+	arrange(m);
 }
 
 void
@@ -2206,11 +2455,18 @@ unmapnotify(XEvent *e)
 		else
 			unmanage(c, 0);
 	}
+	else if ((c = wintosystrayicon(ev->window))) {
+		/* KLUDGE! sometimes icons occasionally unmap their windows, but do
+		 * _not_ destroy them. We map those windows back */
+		XMapRaised(dpy, c->win);
+		updatesystray();
+	}
 }
 
 void
 updatebars(void)
 {
+	unsigned int w;
 	Monitor *m;
 	XSetWindowAttributes wa = {
 		.override_redirect = True,
@@ -2221,10 +2477,15 @@ updatebars(void)
 	for (m = mons; m; m = m->next) {
 		if (m->barwin)
 			continue;
-		m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen),
+		w = m->ww;
+		if (showsystray && m == systraytomon(m))
+			w -= getsystraywidth();
+		m->barwin = XCreateWindow(dpy, root, m->wx, m->by, w, bh, 0, DefaultDepth(dpy, screen),
 				CopyFromParent, DefaultVisual(dpy, screen),
 				CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
 		XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor);
+		if (showsystray && m == systraytomon(m))
+			XMapRaised(dpy, systray->win);
 		XMapRaised(dpy, m->barwin);
 		XSetClassHint(dpy, m->barwin, &ch);
 	}
@@ -2244,7 +2505,7 @@ updatebarpos(Monitor *m)
 }
 
 void
-updateclientlist()
+updateclientlist(void)
 {
 	Client *c;
 	Monitor *m;
@@ -2400,7 +2661,6 @@ updatestatus(void)
 {
 	if (!gettextprop(root, XA_WM_NAME, stext, sizeof(stext))) {
 		strcpy(stext, "dwm-"VERSION);
-
 		statusw = TEXTW(stext) - lrpad + 2;
 	} else {
 		char *text, *s, ch;
@@ -2419,6 +2679,125 @@ updatestatus(void)
 
 	}
 	drawbar(selmon);
+	updatesystray();
+}
+
+
+void
+updatesystrayicongeom(Client *i, int w, int h)
+{
+	if (i) {
+		i->h = bh;
+		if (w == h)
+			i->w = bh;
+		else if (h == bh)
+			i->w = w;
+		else
+			i->w = (int) ((float)bh * ((float)w / (float)h));
+		applysizehints(i, &(i->x), &(i->y), &(i->w), &(i->h), False);
+		/* force icons into the systray dimensions if they don't want to */
+		if (i->h > bh) {
+			if (i->w == i->h)
+				i->w = bh;
+			else
+				i->w = (int) ((float)bh * ((float)i->w / (float)i->h));
+			i->h = bh;
+		}
+	}
+}
+
+void
+updatesystrayiconstate(Client *i, XPropertyEvent *ev)
+{
+	long flags;
+	int code = 0;
+
+	if (!showsystray || !i || ev->atom != xatom[XembedInfo] ||
+			!(flags = getatomprop(i, xatom[XembedInfo])))
+		return;
+
+	if (flags & XEMBED_MAPPED && !i->tags) {
+		i->tags = 1;
+		code = XEMBED_WINDOW_ACTIVATE;
+		XMapRaised(dpy, i->win);
+		setclientstate(i, NormalState);
+	}
+	else if (!(flags & XEMBED_MAPPED) && i->tags) {
+		i->tags = 0;
+		code = XEMBED_WINDOW_DEACTIVATE;
+		XUnmapWindow(dpy, i->win);
+		setclientstate(i, WithdrawnState);
+	}
+	else
+		return;
+	sendevent(i->win, xatom[Xembed], StructureNotifyMask, CurrentTime, code, 0,
+			systray->win, XEMBED_EMBEDDED_VERSION);
+}
+
+void
+updatesystray(void)
+{
+	XSetWindowAttributes wa;
+	XWindowChanges wc;
+	Client *i;
+	Monitor *m = systraytomon(NULL);
+	unsigned int x = m->mx + m->mw;
+	unsigned int sw = TEXTW(stext) - lrpad + systrayspacing;
+	unsigned int w = 1;
+
+	if (!showsystray)
+		return;
+	if (systrayonleft)
+		x -= sw + lrpad / 2;
+	if (!systray) {
+		/* init systray */
+		if (!(systray = (Systray *)calloc(1, sizeof(Systray))))
+			die("fatal: could not malloc() %u bytes\n", sizeof(Systray));
+		systray->win = XCreateSimpleWindow(dpy, root, x, m->by, w, bh, 0, 0, scheme[SchemeSel][ColBg].pixel);
+		wa.event_mask        = ButtonPressMask | ExposureMask;
+		wa.override_redirect = True;
+		wa.background_pixel  = scheme[SchemeNorm][ColBg].pixel;
+		XSelectInput(dpy, systray->win, SubstructureNotifyMask);
+		XChangeProperty(dpy, systray->win, netatom[NetSystemTrayOrientation], XA_CARDINAL, 32,
+				PropModeReplace, (unsigned char *)&netatom[NetSystemTrayOrientationHorz], 1);
+		XChangeWindowAttributes(dpy, systray->win, CWEventMask|CWOverrideRedirect|CWBackPixel, &wa);
+		XMapRaised(dpy, systray->win);
+		XSetSelectionOwner(dpy, netatom[NetSystemTray], systray->win, CurrentTime);
+		if (XGetSelectionOwner(dpy, netatom[NetSystemTray]) == systray->win) {
+			sendevent(root, xatom[Manager], StructureNotifyMask, CurrentTime, netatom[NetSystemTray], systray->win, 0, 0);
+			XSync(dpy, False);
+		}
+		else {
+			fprintf(stderr, "dwm: unable to obtain system tray.\n");
+			free(systray);
+			systray = NULL;
+			return;
+		}
+	}
+	for (w = 0, i = systray->icons; i; i = i->next) {
+		/* make sure the background color stays the same */
+		wa.background_pixel  = scheme[SchemeNorm][ColBg].pixel;
+		XChangeWindowAttributes(dpy, i->win, CWBackPixel, &wa);
+		XMapRaised(dpy, i->win);
+		w += systrayspacing;
+		i->x = w;
+		XMoveResizeWindow(dpy, i->win, i->x, 0, i->w, i->h);
+		w += i->w;
+		if (i->mon != m)
+			i->mon = m;
+	}
+	w = w ? w + systrayspacing : 1;
+	x -= w;
+	XMoveResizeWindow(dpy, systray->win, x, m->by, w, bh);
+	wc.x = x; wc.y = m->by; wc.width = w; wc.height = bh;
+	wc.stack_mode = Above; wc.sibling = m->barwin;
+	XConfigureWindow(dpy, systray->win, CWX|CWY|CWWidth|CWHeight|CWSibling|CWStackMode, &wc);
+	XMapWindow(dpy, systray->win);
+	XMapSubwindows(dpy, systray->win);
+	/* redraw background */
+	XSetForeground(dpy, drw->gc, scheme[SchemeNorm][ColBg].pixel);
+	XFillRectangle(dpy, systray->win, drw->gc, 0, 0, w, bh);
+	XSync(dpy, False);
 }
 
 void
@@ -2436,13 +2815,13 @@ updatewindowtype(Client *c)
 	Atom state = getatomprop(c, netatom[NetWMState]);
 	Atom wtype = getatomprop(c, netatom[NetWMWindowType]);
 
-    if (state == netatom[NetWMFullscreen])
-        setfullscreen(c, 1);
-    if (state == netatom[NetWMSticky]) {
-        setsticky(c, 1);
-    }
-    if (wtype == netatom[NetWMWindowTypeDialog])
-        c->isfloating = 1;
+	if (state == netatom[NetWMFullscreen])
+		setfullscreen(c, 1);
+	if (state == netatom[NetWMSticky]) {
+		setsticky(c, 1);
+	}
+	if (wtype == netatom[NetWMWindowTypeDialog])
+		c->isfloating = 1;
 }
 
 void
@@ -2502,136 +2881,6 @@ view(const Arg *arg)
 	arrange(selmon);
 }
 
-pid_t
-winpid(Window w)
-{
-
-	pid_t result = 0;
-
-#ifdef __linux__
-	xcb_res_client_id_spec_t spec = {0};
-	spec.client = w;
-	spec.mask = XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID;
-
-	xcb_generic_error_t *e = NULL;
-	xcb_res_query_client_ids_cookie_t c = xcb_res_query_client_ids(xcon, 1, &spec);
-	xcb_res_query_client_ids_reply_t *r = xcb_res_query_client_ids_reply(xcon, c, &e);
-
-	if (!r)
-		return (pid_t)0;
-
-	xcb_res_client_id_value_iterator_t i = xcb_res_query_client_ids_ids_iterator(r);
-	for (; i.rem; xcb_res_client_id_value_next(&i)) {
-		spec = i.data->spec;
-		if (spec.mask & XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID) {
-			uint32_t *t = xcb_res_client_id_value_value(i.data);
-			result = *t;
-			break;
-		}
-	}
-
-	free(r);
-
-	if (result == (pid_t)-1)
-		result = 0;
-
-#endif /* __linux__ */
-
-#ifdef __OpenBSD__
-        Atom type;
-        int format;
-        unsigned long len, bytes;
-        unsigned char *prop;
-        pid_t ret;
-
-        if (XGetWindowProperty(dpy, w, XInternAtom(dpy, "_NET_WM_PID", 0), 0, 1, False, AnyPropertyType, &type, &format, &len, &bytes, &prop) != Success || !prop)
-               return 0;
-
-        ret = *(pid_t*)prop;
-        XFree(prop);
-        result = ret;
-
-#endif /* __OpenBSD__ */
-	return result;
-}
-
-pid_t
-getparentprocess(pid_t p)
-{
-	unsigned int v = 0;
-
-#ifdef __linux__
-	FILE *f;
-	char buf[256];
-	snprintf(buf, sizeof(buf) - 1, "/proc/%u/stat", (unsigned)p);
-
-	if (!(f = fopen(buf, "r")))
-		return 0;
-
-	fscanf(f, "%*u %*s %*c %u", &v);
-	fclose(f);
-#endif /* __linux__*/
-
-#ifdef __OpenBSD__
-	int n;
-	kvm_t *kd;
-	struct kinfo_proc *kp;
-
-	kd = kvm_openfiles(NULL, NULL, NULL, KVM_NO_FILES, NULL);
-	if (!kd)
-		return 0;
-
-	kp = kvm_getprocs(kd, KERN_PROC_PID, p, sizeof(*kp), &n);
-	v = kp->p_ppid;
-#endif /* __OpenBSD__ */
-
-	return (pid_t)v;
-}
-
-int
-isdescprocess(pid_t p, pid_t c)
-{
-	while (p != c && c != 0)
-		c = getparentprocess(c);
-
-	return (int)c;
-}
-
-Client *
-termforwin(const Client *w)
-{
-	Client *c;
-	Monitor *m;
-
-	if (!w->pid || w->isterminal)
-		return NULL;
-
-	for (m = mons; m; m = m->next) {
-		for (c = m->clients; c; c = c->next) {
-			if (c->isterminal && !c->swallowing && c->pid && isdescprocess(c->pid, w->pid))
-				return c;
-		}
-	}
-
-	return NULL;
-}
-
-Client *
-swallowingclient(Window w)
-{
-	Client *c;
-	Monitor *m;
-
-	for (m = mons; m; m = m->next) {
-		for (c = m->clients; c; c = c->next) {
-			if (c->swallowing && c->swallowing->win == w)
-				return c;
-		}
-	}
-
-	return NULL;
-}
-
 Client *
 wintoclient(Window w)
 {
@@ -2645,6 +2894,16 @@ wintoclient(Window w)
 	return NULL;
 }
 
+Client *
+wintosystrayicon(Window w) {
+	Client *i = NULL;
+
+	if (!showsystray || !w)
+		return i;
+	for (i = systray->icons; i && i->win != w; i = i->next) ;
+	return i;
+}
+
 Monitor *
 wintomon(Window w)
 {
@@ -2698,11 +2957,28 @@ xerrorstart(Display *dpy, XErrorEvent *ee)
 	return -1;
 }
 
+Monitor *
+systraytomon(Monitor *m) {
+	Monitor *t;
+	int i, n;
+	if(!systraypinning) {
+		if(!m)
+			return selmon;
+		return m == selmon ? m : NULL;
+	}
+	for(n = 1, t = mons; t && t->next; n++, t = t->next) ;
+	for(i = 1, t = mons; t && t->next && i < systraypinning; i++, t = t->next) ;
+	if(systraypinningfailfirst && n < systraypinning)
+		return mons;
+	return t;
+}
+
 void
 zoom(const Arg *arg)
 {
 	Client *c = selmon->sel;
 	Client *at = NULL, *cold, *cprevious = NULL;
+
 	if (!selmon->lt[selmon->sellt]->arrange || !c || c->isfloating)
 		return;
 	if (c == nexttiled(selmon->clients)) {
@@ -2734,7 +3010,6 @@ zoom(const Arg *arg)
 	arrange(c->mon);
 }
 
-
 int
 main(int argc, char *argv[])
 {
@@ -2746,12 +3021,10 @@ main(int argc, char *argv[])
 		fputs("warning: no locale support\n", stderr);
 	if (!(dpy = XOpenDisplay(NULL)))
 		die("dwm: cannot open display");
-	if (!(xcon = XGetXCBConnection(dpy)))
-		die("dwm: cannot get xcb connection\n");
 	checkotherwm();
 	setup();
 #ifdef __OpenBSD__
-	if (pledge("stdio rpath proc exec ps", NULL) == -1)
+	if (pledge("stdio rpath proc exec", NULL) == -1)
 		die("pledge");
 #endif /* __OpenBSD__ */
 	scan();
@@ -2760,70 +3033,3 @@ main(int argc, char *argv[])
 	XCloseDisplay(dpy);
 	return EXIT_SUCCESS;
 }
-
-void
-moveresize(const Arg *arg) {
-	/* only floating windows can be moved */
-	Client *c;
-	c = selmon->sel;
-	int x, y, w, h, nx, ny, nw, nh, ox, oy, ow, oh;
-	char xAbs, yAbs, wAbs, hAbs;
-	int msx, msy, dx, dy, nmx, nmy;
-	unsigned int dui;
-	Window dummy;
-
-	if (!c || !arg)
-		return;
-	if (selmon->lt[selmon->sellt]->arrange && !c->isfloating)
-		return;
-	if (sscanf((char *)arg->v, "%d%c %d%c %d%c %d%c", &x, &xAbs, &y, &yAbs, &w, &wAbs, &h, &hAbs) != 8)
-		return;
-
-	/* compute new window position; prevent window from be positioned outside the current monitor */
-	nw = c->w + w;
-	if (wAbs == 'W')
-		nw = w < selmon->mw - 2 * c->bw ? w : selmon->mw - 2 * c->bw;
-
-	nh = c->h + h;
-	if (hAbs == 'H')
-		nh = h < selmon->mh - 2 * c->bw ? h : selmon->mh - 2 * c->bw;
-
-	nx = c->x + x;
-	if (xAbs == 'X') {
-		if (x < selmon->mx)
-			nx = selmon->mx;
-		else if (x > selmon->mx + selmon->mw)
-			nx = selmon->mx + selmon->mw - nw - 2 * c->bw;
-		else
-			nx = x;
-	}
-
-	ny = c->y + y;
-	if (yAbs == 'Y') {
-		if (y < selmon->my)
-			ny = selmon->my;
-		else if (y > selmon->my + selmon->mh)
-			ny = selmon->my + selmon->mh - nh - 2 * c->bw;
-		else
-			ny = y;
-	}
-
-	ox = c->x;
-	oy = c->y;
-	ow = c->w;
-	oh = c->h;
-
-	XRaiseWindow(dpy, c->win);
-	Bool xqp = XQueryPointer(dpy, root, &dummy, &dummy, &msx, &msy, &dx, &dy, &dui);
-	resize(c, nx, ny, nw, nh, True);
-
-	/* move cursor along with the window to avoid problems caused by the sloppy focus */
-	if (xqp && ox <= msx && (ox + ow) >= msx && oy <= msy && (oy + oh) >= msy)
-	{
-		nmx = c->x - ox + c->w - ow;
-		nmy = c->y - oy + c->h - oh;
-		/* make sure the cursor stays inside the window */
-		if ((msx + nmx) > c->x && (msy + nmy) > c->y)
-			XWarpPointer(dpy, None, None, 0, 0, 0, 0, nmx, nmy);
-	}
-}
diff --git a/movestack.c b/movestack.c
index 520f4ae..8d22a6b 100644
--- a/movestack.c
+++ b/movestack.c
@@ -45,4 +45,4 @@ movestack(const Arg *arg) {
 
 		arrange(selmon);
 	}
-}
\ No newline at end of file
+}
diff --git a/util.c b/util.c
index 96b82c9..8e26a51 100644
--- a/util.c
+++ b/util.c
@@ -1,4 +1,5 @@
 /* See LICENSE file for copyright and license details. */
+#include <errno.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -10,17 +11,17 @@ void
 die(const char *fmt, ...)
 {
 	va_list ap;
+	int saved_errno;
+
+	saved_errno = errno;
 
 	va_start(ap, fmt);
 	vfprintf(stderr, fmt, ap);
 	va_end(ap);
 
-	if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
-		fputc(' ', stderr);
-		perror(NULL);
-	} else {
-		fputc('\n', stderr);
-	}
+	if (fmt[0] && fmt[strlen(fmt)-1] == ':')
+		fprintf(stderr, " %s", strerror(saved_errno));
+	fputc('\n', stderr);
 
 	exit(1);
 }
diff --git a/util.h b/util.h
index f633b51..c0a50d4 100644
--- a/util.h
+++ b/util.h
@@ -3,6 +3,7 @@
 #define MAX(A, B)               ((A) > (B) ? (A) : (B))
 #define MIN(A, B)               ((A) < (B) ? (A) : (B))
 #define BETWEEN(X, A, B)        ((A) <= (X) && (X) <= (B))
+#define LENGTH(X)               (sizeof (X) / sizeof (X)[0])
 
 void die(const char *fmt, ...);
 void *ecalloc(size_t nmemb, size_t size);