dwm 6.0 patch

gistfile1

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..37b1c60
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+dwm
+dwm.o
diff --git a/config.def.h b/config.def.h
index 77ff358..d22ce99 100644
--- a/config.def.h
+++ b/config.def.h
@@ -1,7 +1,7 @@
 /* See LICENSE file for copyright and license details. */
 
 /* appearance */
-static const char font[]            = "-*-terminus-medium-r-*-*-16-*-*-*-*-*-*-*";
+static const char font[]            = "Sans 8";
 static const char normbordercolor[] = "#444444";
 static const char normbgcolor[]     = "#222222";
 static const char normfgcolor[]     = "#bbbbbb";
@@ -10,6 +10,8 @@ static const char selbgcolor[]      = "#005577";
 static const char selfgcolor[]      = "#eeeeee";
 static const unsigned int borderpx  = 1;        /* border pixel of windows */
 static const unsigned int snap      = 32;       /* snap pixel */
+static const unsigned int systrayspacing = 2;   /* systray spacing */
+static const Bool showsystray       = True;     /* False means no systray */
 static const Bool showbar           = True;     /* False means no bar */
 static const Bool topbar            = True;     /* False means bottom bar */
 
diff --git a/config.h b/config.h
new file mode 100644
index 0000000..6888099
--- /dev/null
+++ b/config.h
@@ -0,0 +1,126 @@
+/* See LICENSE file for copyright and license details. */
+
+#include "push.c"
+#include <X11/XF86keysym.h>
+
+/* appearance */
+static const char font[]            = "Monaco 8";
+static const char normbordercolor[] = "#444444";
+static const char normbgcolor[]     = "#222222";
+static const char normfgcolor[]     = "#bbbbbb";
+static const char selbordercolor[]  = "#005577";
+static const char selbgcolor[]      = "#005577";
+static const char selfgcolor[]      = "#eeeeee";
+static const unsigned int borderpx  = 1;        /* border pixel of windows */
+static const unsigned int snap      = 32;       /* snap pixel */
+static const unsigned int systrayspacing = 2;   /* systray spacing */
+static const Bool showsystray       = True;     /* False means no systray */
+static const Bool showbar           = True;     /* False means no bar */
+static const Bool topbar            = True;     /* False means bottom bar */
+
+/* tagging */
+static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
+
+static const Rule rules[] = {
+	/* class      instance    title       tags mask     isfloating   monitor */
+	{ "URxvt",    NULL,       NULL,       5,            False,       -1 },
+	{ "Chromium", NULL,       NULL,       6,            False,       -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 Bool resizehints = False; /* True 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 Mod4Mask
+#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 } }
+#define VOLCMD(cmd) { .v = (const char*[]){ "amixer", "-q", "-c", "0", "sset", "Master", cmd, NULL } }
+
+/* commands */
+static const char *dmenucmd[] = { "dmenu_run", "-fn", font, "-nb", normbgcolor, "-nf", normfgcolor, "-sb", selbgcolor, "-sf", selfgcolor, NULL };
+static const char *termcmd[]  = { "urxvtc", NULL };
+static const char *browsercmd[]  = { "chromium", NULL };
+static const char *filecmd[]  = { "thunar", NULL };
+static const char *sleepcmd[] = { "sudo", "pm-suspend", NULL };
+static const char *screensaver[] = { "xscreensaver-command", "-lock", NULL };
+
+static Key keys[] = {
+	/* modifier                     key        function        argument */
+	{ MODKEY,                       XK_space,  spawn,          {.v = dmenucmd } },
+	{ MODKEY,                       XK_Return, spawn,          {.v = termcmd } },
+	{ MODKEY,                       XK_BackSpace, spawn,       {.v = browsercmd } },
+	{ MODKEY,                       XK_b,      togglebar,      {0} },
+	{ MODKEY,                       XK_j,      focusstack,     {.i = +1 } },
+	{ MODKEY|ShiftMask,             XK_j,      pushdown,       {0} },
+	{ MODKEY,                       XK_k,      focusstack,     {.i = -1 } },
+	{ MODKEY|ShiftMask,             XK_k,      pushup,         {0} },
+	{ 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|ShiftMask,             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_p,      setlayout,      {0} },
+	{ MODKEY|ShiftMask,             XK_p,      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} },
+	/* Function Keys */
+	{0,                             XF86XK_AudioMute,        spawn, VOLCMD("toggle")},
+	{0,                             XF86XK_AudioRaiseVolume, spawn, VOLCMD("5%+")},
+	{0,                             XF86XK_AudioLowerVolume, spawn, VOLCMD("5%-")},
+	{0,                             XF86XK_Launch1,          spawn, {.v = filecmd} },
+	{0,                             XF86XK_ScreenSaver,      spawn, {.v = screensaver} },
+	{0,                             XF86XK_Sleep,            spawn, {.v = sleepcmd } },
+
+};
+
+/* 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} },
+};
+
diff --git a/config.mk b/config.mk
index 484554a..48264b9 100644
--- a/config.mk
+++ b/config.mk
@@ -4,7 +4,7 @@ VERSION = 6.0
 # Customize below to fit your system
 
 # paths
-PREFIX = /usr/local
+PREFIX = /home/menski/.local/
 MANPREFIX = ${PREFIX}/share/man
 
 X11INC = /usr/X11R6/include
@@ -15,8 +15,8 @@ XINERAMALIBS = -L${X11LIB} -lXinerama
 XINERAMAFLAGS = -DXINERAMA
 
 # includes and libs
-INCS = -I. -I/usr/include -I${X11INC}
-LIBS = -L/usr/lib -lc -L${X11LIB} -lX11 ${XINERAMALIBS}
+INCS = -I. -I/usr/include -I${X11INC} `pkg-config --cflags xft pango pangoxft`
+LIBS = -L/usr/lib -lc -L${X11LIB} -lX11 ${XINERAMALIBS} `pkg-config --libs xft pango pangoxft`
 
 # flags
 CPPFLAGS = -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
diff --git a/dwm.c b/dwm.c
index 1d78655..4a34faa 100644
--- a/dwm.c
+++ b/dwm.c
@@ -36,6 +36,10 @@
 #include <X11/Xlib.h>
 #include <X11/Xproto.h>
 #include <X11/Xutil.h>
+#include <X11/Xft/Xft.h>
+#include <pango/pango.h>
+#include <pango/pangoxft.h>
+#include <pango/pango-font.h>
 #ifdef XINERAMA
 #include <X11/extensions/Xinerama.h>
 #endif /* XINERAMA */
@@ -47,20 +51,42 @@
                                * MAX(0, MIN((y)+(h),(m)->wy+(m)->wh) - MAX((y),(m)->wy)))
 #define ISVISIBLE(C)            ((C->tags & C->mon->tagset[C->mon->seltags]))
 #define LENGTH(X)               (sizeof X / sizeof X[0])
-#define MAX(A, B)               ((A) > (B) ? (A) : (B))
+#ifndef MAX
+#define MAX(A, B)		((A) > (B) ? (A) : (B))
+#endif
+#ifndef MIN
 #define MIN(A, B)               ((A) < (B) ? (A) : (B))
+#endif
 #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)                (textnw(X, strlen(X)) + dc.font.height)
 
+#define SYSTEM_TRAY_REQUEST_DOCK    0
+#define _NET_SYSTEM_TRAY_ORIENTATION_HORZ 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 { ColBorder, ColFG, ColBG, ColLast };              /* color */
-enum { NetSupported, NetWMName, NetWMState,
-       NetWMFullscreen, NetActiveWindow, NetWMWindowType,
-       NetWMWindowTypeDialog, NetLast };     /* EWMH atoms */
+enum { NetSupported, NetSystemTray, NetSystemTrayOP, NetSystemTrayOrientation,
+	   NetWMName, NetWMState, NetWMFullscreen, NetActiveWindow, NetWMWindowType,
+	   NetWMWindowTypeDialog, 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 */
@@ -103,12 +129,19 @@ typedef struct {
 	unsigned long sel[ColLast];
 	Drawable drawable;
 	GC gc;
+
+	XftColor  xftnorm[ColLast];
+	XftColor  xftsel[ColLast];
+	XftDraw  *xftdrawable;
+
+	PangoContext *pgc;
+	PangoLayout  *plo;
+	PangoFontDescription *pfd;
+
 	struct {
 		int ascent;
 		int descent;
 		int height;
-		XFontSet set;
-		XFontStruct *xfont;
 	} font;
 } DC; /* draw context */
 
@@ -124,6 +157,7 @@ typedef struct {
 	void (*arrange)(Monitor *);
 } Layout;
 
+typedef struct Pertag Pertag;
 struct Monitor {
 	char ltsymbol[16];
 	float mfact;
@@ -143,6 +177,7 @@ struct Monitor {
 	Monitor *next;
 	Window barwin;
 	const Layout *lt[2];
+	Pertag *pertag;
 };
 
 typedef struct {
@@ -154,6 +189,12 @@ typedef struct {
 	int monitor;
 } Rule;
 
+typedef struct Systray   Systray;
+struct Systray {
+	Window win;
+	Client *icons;
+};
+
 /* function declarations */
 static void applyrules(Client *c);
 static Bool applysizehints(Client *c, int *x, int *y, int *w, int *h, Bool interact);
@@ -186,9 +227,11 @@ static void focus(Client *c);
 static void focusin(XEvent *e);
 static void focusmon(const Arg *arg);
 static void focusstack(const Arg *arg);
-static unsigned long getcolor(const char *colstr);
+static Atom getatomprop(Client *c, Atom prop);
+//static unsigned long getcolor(const char *colstr);
 static Bool getrootptr(int *x, int *y);
 static long getstate(Window w);
+static unsigned int getsystraywidth();
 static Bool gettextprop(Window w, Atom atom, char *text, unsigned int size);
 static void grabbuttons(Client *c, Bool focused);
 static void grabkeys(void);
@@ -207,13 +250,16 @@ static void pop(Client *);
 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, Bool 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 Bool sendevent(Client *c, Atom proto);
+static Bool 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);
@@ -241,18 +287,24 @@ static void updatebars(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 updatewindowtype(Client *c);
 static void updatetitle(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);
 
 /* variables */
+static Systray *systray = NULL;
+static unsigned long systrayorientation = _NET_SYSTEM_TRAY_ORIENTATION_HORZ;
 static const char broken[] = "broken";
 static char stext[256];
 static int screen;
@@ -274,9 +326,10 @@ 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 Bool running = True;
 static Cursor cursor[CurLast];
 static Display *dpy;
@@ -287,6 +340,15 @@ static Window root;
 /* configuration, allows nested code to access above variables */
 #include "config.h"
 
+struct Pertag {
+	unsigned int curtag, prevtag; /* current and previous tag */
+	int nmasters[LENGTH(tags) + 1]; /* number of windows in master area */
+	float mfacts[LENGTH(tags) + 1]; /* mfacts per tag */
+	unsigned int sellts[LENGTH(tags) + 1]; /* selected layouts */
+	const Layout *ltidxs[LENGTH(tags) + 1][2]; /* matrix of tags and layouts indexes  */
+	Bool showbars[LENGTH(tags) + 1]; /* display bar for the current tag */
+};
+
 /* compile-time check if all tags fit into an unsigned int bit array. */
 struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; };
 
@@ -485,10 +547,6 @@ cleanup(void) {
 	for(m = mons; m; m = m->next)
 		while(m->stack)
 			unmanage(m->stack, False);
-	if(dc.font.set)
-		XFreeFontSet(dpy, dc.font.set);
-	else
-		XFreeFont(dpy, dc.font.xfont);
 	XUngrabKey(dpy, AnyKey, AnyModifier, root);
 	XFreePixmap(dpy, dc.drawable);
 	XFreeGC(dpy, dc.gc);
@@ -497,6 +555,11 @@ cleanup(void) {
 	XFreeCursor(dpy, cursor[CurMove]);
 	while(mons)
 		cleanupmon(mons);
+	if(showsystray) {
+		XUnmapWindow(dpy, systray->win);
+		XDestroyWindow(dpy, systray->win);
+		free(systray);
+	}
 	XSync(dpy, False);
 	XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
 }
@@ -530,9 +593,48 @@ clearurgent(Client *c) {
 
 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));
+			c->win = cme->data.l[2];
+			c->mon = selmon;
+			c->next = systray->icons;
+			systray->icons = c;
+			XGetWindowAttributes(dpy, c->win, &wa);
+			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 pixmap */
+			swa.background_pixmap = ParentRelative;
+			XChangeWindowAttributes(dpy, c->win, CWBackPixmap, &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);
+			resizebarwin(selmon);
+			updatesystray();
+			setclientstate(c, NormalState);
+		}
+		return;
+	}
 	if(!c)
 		return;
 	if(cme->message_type == netatom[NetWMState]) {
@@ -581,9 +683,10 @@ configurenotify(XEvent *e) {
 			if(dc.drawable != 0)
 				XFreePixmap(dpy, dc.drawable);
 			dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
+			XftDrawChange(dc.xftdrawable, dc.drawable);
 			updatebars();
 			for(m = mons; m; m = m->next)
-				XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh);
+				resizebarwin(m);
 			focus(NULL);
 			arrange(NULL);
 		}
@@ -646,6 +749,7 @@ configurerequest(XEvent *e) {
 Monitor *
 createmon(void) {
 	Monitor *m;
+	int i;
 
 	if(!(m = (Monitor *)calloc(1, sizeof(Monitor))))
 		die("fatal: could not malloc() %u bytes\n", sizeof(Monitor));
@@ -657,6 +761,24 @@ createmon(void) {
 	m->lt[0] = &layouts[0];
 	m->lt[1] = &layouts[1 % LENGTH(layouts)];
 	strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol);
+	if(!(m->pertag = (Pertag *)calloc(1, sizeof(Pertag))))
+		die("fatal: could not malloc() %u bytes\n", sizeof(Pertag));
+	m->pertag->curtag = m->pertag->prevtag = 1;
+	for(i=0; i <= LENGTH(tags); i++) {
+		/* init nmaster */
+		m->pertag->nmasters[i] = m->nmaster;
+
+		/* init mfacts */
+		m->pertag->mfacts[i] = m->mfact;
+
+		/* init layouts */
+		m->pertag->ltidxs[i][0] = m->lt[0];
+		m->pertag->ltidxs[i][1] = m->lt[1];
+		m->pertag->sellts[i] = m->sellt;
+
+		/* init showbar */
+		m->pertag->showbars[i] = m->showbar;
+	}
 	return m;
 }
 
@@ -667,6 +789,11 @@ destroynotify(XEvent *e) {
 
 	if((c = wintoclient(ev->window)))
 		unmanage(c, True);
+	else if((c = wintosystrayicon(ev->window))) {
+		removesystrayicon(c);
+		resizebarwin(selmon);
+		updatesystray();
+	}
 }
 
 void
@@ -722,6 +849,7 @@ drawbar(Monitor *m) {
 	unsigned long *col;
 	Client *c;
 
+	resizebarwin(m);
 	for(c = m->clients; c; c = c->next) {
 		occ |= c->tags;
 		if(c->isurgent)
@@ -740,17 +868,16 @@ drawbar(Monitor *m) {
 	drawtext(m->ltsymbol, dc.norm, False);
 	dc.x += dc.w;
 	x = dc.x;
-	if(m == selmon) { /* status is only drawn on selected monitor */
-		dc.w = TEXTW(stext);
-		dc.x = m->ww - dc.w;
-		if(dc.x < x) {
-			dc.x = x;
-			dc.w = m->ww - x;
-		}
-		drawtext(stext, dc.norm, False);
+	dc.w = TEXTW(stext);
+	dc.x = m->ww - dc.w;
+	if(showsystray && m == selmon) {
+		dc.x -= getsystraywidth();
 	}
-	else
-		dc.x = m->ww;
+	if(dc.x < x) {
+		dc.x = x;
+		dc.w = m->ww - x;
+	}
+	drawtext(stext, dc.norm, False);
 	if((dc.w = dc.x - x) > bh) {
 		dc.x = x;
 		if(m->sel) {
@@ -771,6 +898,7 @@ drawbars(void) {
 
 	for(m = mons; m; m = m->next)
 		drawbar(m);
+	updatesystray();
 }
 
 void
@@ -796,7 +924,7 @@ drawtext(const char *text, unsigned long col[ColLast], Bool invert) {
 		return;
 	olen = strlen(text);
 	h = dc.font.ascent + dc.font.descent;
-	y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
+	y = dc.y;
 	x = dc.x + (h / 2);
 	/* shorten text if necessary */
 	for(len = MIN(olen, sizeof buf); len && textnw(text, len) > dc.w - h; len--);
@@ -805,11 +933,8 @@ drawtext(const char *text, unsigned long col[ColLast], Bool invert) {
 	memcpy(buf, text, len);
 	if(len < olen)
 		for(i = len; i && i > len - 3; buf[--i] = '.');
-	XSetForeground(dpy, dc.gc, col[invert ? ColBG : ColFG]);
-	if(dc.font.set)
-		XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
-	else
-		XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
+	pango_layout_set_text(dc.plo, text, len);
+	pango_xft_render_layout(dc.xftdrawable, (col==dc.norm?dc.xftnorm:dc.xftsel)+(invert?ColBG:ColFG), dc.plo, x * PANGO_SCALE, y * PANGO_SCALE);
 }
 
 void
@@ -917,23 +1042,30 @@ getatomprop(Client *c, Atom prop) {
 	unsigned long dl;
 	unsigned char *p = NULL;
 	Atom da, atom = None;
+	/* 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, XA_ATOM,
+	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 long
-getcolor(const char *colstr) {
+getcolor(const char *colstr, XftColor *color) {
 	Colormap cmap = DefaultColormap(dpy, screen);
-	XColor color;
+	Visual *vis = DefaultVisual(dpy, screen);
 
-	if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
+	if(!XftColorAllocName(dpy,vis,cmap,colstr, color))
 		die("error, cannot allocate color '%s'\n", colstr);
-	return color.pixel;
+	return color->pixel;
 }
 
 Bool
@@ -962,6 +1094,15 @@ getstate(Window w) {
 	return result;
 }
 
+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;
+}
+
 Bool
 gettextprop(Window w, Atom atom, char *text, unsigned int size) {
 	char **list = NULL;
@@ -1028,41 +1169,25 @@ grabkeys(void) {
 
 void
 incnmaster(const Arg *arg) {
-	selmon->nmaster = MAX(selmon->nmaster + arg->i, 0);
+	selmon->nmaster = selmon->pertag->nmasters[selmon->pertag->curtag] = MAX(selmon->nmaster + arg->i, 0);
 	arrange(selmon);
 }
 
 void
 initfont(const char *fontstr) {
-	char *def, **missing;
-	int n;
+	PangoFontMetrics *metrics;
 
-	dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
-	if(missing) {
-		while(n--)
-			fprintf(stderr, "dwm: missing fontset: %s\n", missing[n]);
-		XFreeStringList(missing);
-	}
-	if(dc.font.set) {
-		XFontStruct **xfonts;
-		char **font_names;
-
-		dc.font.ascent = dc.font.descent = 0;
-		XExtentsOfFontSet(dc.font.set);
-		n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
-		while(n--) {
-			dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent);
-			dc.font.descent = MAX(dc.font.descent,(*xfonts)->descent);
-			xfonts++;
-		}
-	}
-	else {
-		if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
-		&& !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
-			die("error, cannot load font: '%s'\n", fontstr);
-		dc.font.ascent = dc.font.xfont->ascent;
-		dc.font.descent = dc.font.xfont->descent;
-	}
+	dc.pgc = pango_xft_get_context(dpy, screen);
+	dc.pfd = pango_font_description_from_string(fontstr);
+
+	metrics = pango_context_get_metrics(dc.pgc, dc.pfd, pango_language_from_string(setlocale(LC_CTYPE, "")));
+	dc.font.ascent = pango_font_metrics_get_ascent(metrics) / PANGO_SCALE;
+	dc.font.descent = pango_font_metrics_get_descent(metrics) / PANGO_SCALE;
+
+	pango_font_metrics_unref(metrics);
+
+	dc.plo = pango_layout_new(dc.pgc);
+	pango_layout_set_font_description(dc.plo, dc.pfd);
 	dc.font.height = dc.font.ascent + dc.font.descent;
 }
 
@@ -1096,7 +1221,7 @@ void
 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);
@@ -1180,6 +1305,12 @@ void
 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))
 		return;
@@ -1293,6 +1424,16 @@ 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)
@@ -1342,12 +1483,33 @@ 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, Bool interact) {
 	if(applysizehints(c, &x, &y, &w, &h, interact))
 		resizeclient(c, x, y, w, h);
 }
 
 void
+resizebarwin(Monitor *m) {
+	unsigned int w = m->ww;
+	if(showsystray && m == selmon)
+		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;
 
@@ -1412,6 +1574,18 @@ resizemouse(const Arg *arg) {
 }
 
 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
 restack(Monitor *m) {
 	Client *c;
 	XEvent ev;
@@ -1495,25 +1669,35 @@ setclientstate(Client *c, long state) {
 }
 
 Bool
-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;
 	Bool exists = False;
 	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;
 }
@@ -1522,7 +1706,7 @@ void
 setfocus(Client *c) {
 	if(!c->neverfocus)
 		XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
-	sendevent(c, wmatom[WMTakeFocus]);
+	sendevent(c->win, wmatom[WMTakeFocus], NoEventMask, wmatom[WMTakeFocus], CurrentTime, 0, 0, 0);
 }
 
 void
@@ -1555,10 +1739,13 @@ setfullscreen(Client *c, Bool fullscreen) {
 
 void
 setlayout(const Arg *arg) {
-	if(!arg || !arg->v || arg->v != selmon->lt[selmon->sellt])
-		selmon->sellt ^= 1;
+	if(!arg || !arg->v || arg->v != selmon->lt[selmon->sellt]) {
+		selmon->pertag->sellts[selmon->pertag->curtag] ^= 1;
+		selmon->sellt = selmon->pertag->sellts[selmon->pertag->curtag];
+	}
 	if(arg && arg->v)
-		selmon->lt[selmon->sellt] = (Layout *)arg->v;
+		selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt] = (Layout *)arg->v;
+	selmon->lt[selmon->sellt] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt];
 	strncpy(selmon->ltsymbol, selmon->lt[selmon->sellt]->symbol, sizeof selmon->ltsymbol);
 	if(selmon->sel)
 		arrange(selmon);
@@ -1576,7 +1763,7 @@ setmfact(const Arg *arg) {
 	f = arg->f < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0;
 	if(f < 0.1 || f > 0.9)
 		return;
-	selmon->mfact = f;
+	selmon->mfact = selmon->pertag->mfacts[selmon->pertag->curtag] = f;
 	arrange(selmon);
 }
 
@@ -1602,28 +1789,41 @@ 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[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
 	netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False);
 	netatom[NetWMFullscreen] = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False);
 	netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
 	netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False);
+	xatom[Manager] = XInternAtom(dpy, "MANAGER", False);
+	xatom[Xembed] = XInternAtom(dpy, "_XEMBED", False);
+	xatom[XembedInfo] = XInternAtom(dpy, "_XEMBED_INFO", False);
 	/* init cursors */
 	cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
 	cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
 	cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
+
 	/* init appearance */
-	dc.norm[ColBorder] = getcolor(normbordercolor);
-	dc.norm[ColBG] = getcolor(normbgcolor);
-	dc.norm[ColFG] = getcolor(normfgcolor);
-	dc.sel[ColBorder] = getcolor(selbordercolor);
-	dc.sel[ColBG] = getcolor(selbgcolor);
-	dc.sel[ColFG] = getcolor(selfgcolor);
+        dc.norm[ColBorder] = getcolor(normbordercolor, dc.xftnorm+ColBorder);
+        dc.norm[ColBG] = getcolor(normbgcolor, dc.xftnorm+ColBG);
+        dc.norm[ColFG] = getcolor(normfgcolor, dc.xftnorm+ColFG);
+        dc.sel[ColBorder] = getcolor(selbordercolor, dc.xftsel+ColBorder);
+        dc.sel[ColBG] = getcolor(selbgcolor, dc.xftsel+ColBG);
+        dc.sel[ColFG] = getcolor(selfgcolor, dc.xftsel+ColFG);
+
 	dc.drawable = XCreatePixmap(dpy, root, DisplayWidth(dpy, screen), bh, DefaultDepth(dpy, screen));
 	dc.gc = XCreateGC(dpy, root, 0, NULL);
 	XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
-	if(!dc.font.set)
-		XSetFont(dpy, dc.gc, dc.font.xfont->fid);
-	/* init bars */
+
+        dc.xftdrawable = XftDrawCreate(dpy, dc.drawable, DefaultVisual(dpy,screen), DefaultColormap(dpy,screen));
+        if(!dc.xftdrawable)
+	        printf("error, cannot create drawable\n");
+
+	/* init system tray */
+	updatesystray();
+	/* init bar */
 	updatebars();
 	updatestatus();
 	/* EWMH support per view */
@@ -1692,13 +1892,10 @@ tagmon(const Arg *arg) {
 
 int
 textnw(const char *text, unsigned int len) {
-	XRectangle r;
-
-	if(dc.font.set) {
-		XmbTextExtents(dc.font.set, text, len, NULL, &r);
-		return r.width;
-	}
-	return XTextWidth(dc.font.xfont, text, len);
+	PangoRectangle r;
+	pango_layout_set_text(dc.plo, text, len);
+	pango_layout_get_extents(dc.plo, &r, 0);
+	return r.width / PANGO_SCALE;
 }
 
 void
@@ -1729,9 +1926,20 @@ tile(Monitor *m) {
 
 void
 togglebar(const Arg *arg) {
-	selmon->showbar = !selmon->showbar;
+	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);
 }
 
@@ -1763,9 +1971,29 @@ toggletag(const Arg *arg) {
 void
 toggleview(const Arg *arg) {
 	unsigned int newtagset = selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK);
+	int i;
 
 	if(newtagset) {
+		if(newtagset == ~0) {
+			selmon->pertag->prevtag = selmon->pertag->curtag;
+			selmon->pertag->curtag = 0;
+		}
+		/* test if the user did not select the same tag */
+		if(!(newtagset & 1 << (selmon->pertag->curtag - 1))) {
+			selmon->pertag->prevtag = selmon->pertag->curtag;
+			for (i=0; !(newtagset & 1 << i); i++) ;
+			selmon->pertag->curtag = i + 1;
+		}
 		selmon->tagset[selmon->seltags] = newtagset;
+
+		/* apply settings for this view */
+		selmon->nmaster = selmon->pertag->nmasters[selmon->pertag->curtag];
+		selmon->mfact = selmon->pertag->mfacts[selmon->pertag->curtag];
+		selmon->sellt = selmon->pertag->sellts[selmon->pertag->curtag];
+		selmon->lt[selmon->sellt] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt];
+		selmon->lt[selmon->sellt^1] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt^1];
+		if (selmon->showbar != selmon->pertag->showbars[selmon->pertag->curtag])
+			togglebar(NULL);
 		focus(NULL);
 		arrange(selmon);
 	}
@@ -1816,18 +2044,28 @@ unmapnotify(XEvent *e) {
 		else
 			unmanage(c, False);
 	}
+	else if((c = wintosystrayicon(ev->window))) {
+		removesystrayicon(c);
+		resizebarwin(selmon);
+		updatesystray();
+	}
 }
 
 void
 updatebars(void) {
+	unsigned int w;
 	Monitor *m;
+
 	XSetWindowAttributes wa = {
 		.override_redirect = True,
 		.background_pixmap = ParentRelative,
 		.event_mask = ButtonPressMask|ExposureMask
 	};
 	for(m = mons; m; m = m->next) {
-		m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen),
+		w = m->ww;
+		if(showsystray && m == selmon)
+			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]);
@@ -2005,9 +2243,109 @@ updatetitle(Client *c) {
 
 void
 updatestatus(void) {
+	Monitor* m;
 	if(!gettextprop(root, XA_WM_NAME, stext, sizeof(stext)))
 		strcpy(stext, "dwm-"VERSION);
-	drawbar(selmon);
+	for(m = mons; m; m = m->next)
+		drawbar(m);
+}
+
+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 dimenons 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;
+	Client *i;
+	unsigned int x = selmon->mx + selmon->mw;
+	unsigned int w = 1;
+
+	if(!showsystray)
+		return;
+	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, selmon->by, w, bh, 0, 0, dc.sel[ColBG]);
+		wa.event_mask        = ButtonPressMask | ExposureMask;
+		wa.override_redirect = True;
+		wa.background_pixmap = ParentRelative;
+		wa.background_pixel  = dc.norm[ColBG];
+		XSelectInput(dpy, systray->win, SubstructureNotifyMask);
+		XChangeProperty(dpy, systray->win, netatom[NetSystemTrayOrientation], XA_CARDINAL, 32,
+				PropModeReplace, (unsigned char *)&systrayorientation, 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) {
+		XMapRaised(dpy, i->win);
+		w += systrayspacing;
+		XMoveResizeWindow(dpy, i->win, (i->x = w), 0, i->w, i->h);
+		w += i->w;
+		if(i->mon != selmon)
+			i->mon = selmon;
+	}
+	w = w ? w + systrayspacing : 1;
+	x -= w;
+	XMoveResizeWindow(dpy, systray->win, x, selmon->by, w, bh);
+	XSync(dpy, False);
 }
 
 void
@@ -2043,11 +2381,33 @@ updatewmhints(Client *c) {
 
 void
 view(const Arg *arg) {
+	int i;
+	unsigned int tmptag;
+
 	if((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])
 		return;
 	selmon->seltags ^= 1; /* toggle sel tagset */
-	if(arg->ui & TAGMASK)
+	if(arg->ui & TAGMASK) {
+		selmon->pertag->prevtag = selmon->pertag->curtag;
 		selmon->tagset[selmon->seltags] = arg->ui & TAGMASK;
+		if(arg->ui == ~0)
+			selmon->pertag->curtag = 0;
+		else {
+			for (i=0; !(arg->ui & 1 << i); i++) ;
+			selmon->pertag->curtag = i + 1;
+		}
+	} else {
+		tmptag = selmon->pertag->prevtag;
+		selmon->pertag->prevtag = selmon->pertag->curtag;
+		selmon->pertag->curtag = tmptag;
+	}
+	selmon->nmaster = selmon->pertag->nmasters[selmon->pertag->curtag];
+	selmon->mfact = selmon->pertag->mfacts[selmon->pertag->curtag];
+	selmon->sellt = selmon->pertag->sellts[selmon->pertag->curtag];
+	selmon->lt[selmon->sellt] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt];
+	selmon->lt[selmon->sellt^1] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt^1];
+	if (selmon->showbar != selmon->pertag->showbars[selmon->pertag->curtag])
+		togglebar(NULL);
 	focus(NULL);
 	arrange(selmon);
 }
@@ -2080,6 +2440,16 @@ wintomon(Window w) {
 	return selmon;
 }
 
+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;
+}
+
 /* There's no way to check accesses to destroyed windows, thus those cases are
  * ignored (especially on UnmapNotify's).  Other types of errors call Xlibs
  * default error handler, which may call exit.  */
diff --git a/push.c b/push.c
new file mode 100644
index 0000000..493613c
--- /dev/null
+++ b/push.c
@@ -0,0 +1,58 @@
+static Client *
+prevtiled(Client *c) {
+	Client *p, *r;
+
+	for(p = selmon->clients, r = NULL; p && p != c; p = p->next)
+		if(!p->isfloating && ISVISIBLE(p))
+			r = p;
+	return r;
+}
+
+static void
+pushup(const Arg *arg) {
+	Client *sel = selmon->sel;
+	Client *c;
+
+	if(!sel || sel->isfloating)
+		return;
+	if((c = prevtiled(sel))) {
+		/* attach before c */
+		detach(sel);
+		sel->next = c;
+		if(selmon->clients == c)
+			selmon->clients = sel;
+		else {
+			for(c = selmon->clients; c->next != sel->next; c = c->next);
+			c->next = sel;
+		}
+	} else {
+		/* move to the end */
+		for(c = sel; c->next; c = c->next);
+		detach(sel);
+		sel->next = NULL;
+		c->next = sel;
+	}
+	focus(sel);
+	arrange(selmon);
+}
+
+static void
+pushdown(const Arg *arg) {
+	Client *sel = selmon->sel;
+	Client *c;
+
+	if(!sel || sel->isfloating)
+		return;
+	if((c = nexttiled(sel->next))) {
+		/* attach after c */
+		detach(sel);
+		sel->next = c->next;
+		c->next = sel;
+	} else {
+		/* move to the front */
+		detach(sel);
+		attach(sel);
+	}
+	focus(sel);
+	arrange(selmon);
+}