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dwm-systray-6.6.diff (25814B)


      1 diff '--color=auto' -up dwm-6.6/config.def.h systray-dwm-6.6/config.def.h
      2 --- dwm-6.6/config.def.h	2025-08-09 15:00:55.740267680 +0200
      3 +++ systray-dwm-6.6/config.def.h	2025-11-18 16:26:31.581907543 +0100
      4 @@ -3,8 +3,15 @@
      5  /* appearance */
      6  static const unsigned int borderpx  = 1;        /* border pixel of windows */
      7  static const unsigned int snap      = 32;       /* snap pixel */
      8 +static const unsigned int systraypinning = 0;   /* 0: sloppy systray follows selected monitor, >0: pin systray to monitor X */
      9 +static const unsigned int systrayonleft = 0;    /* 0: systray in the right corner, >0: systray on left of status text */
     10 +static const unsigned int systrayspacing = 2;   /* systray spacing */
     11 +static const int systraypinningfailfirst = 1;   /* 1: if pinning fails, display systray on the first monitor, False: display systray on the last monitor*/
     12 +static const int showsystray        = 1;        /* 0 means no systray */
     13  static const int showbar            = 1;        /* 0 means no bar */
     14  static const int topbar             = 1;        /* 0 means bottom bar */
     15 +static const int vertpad            = 10;       /* vertical padding of bar */
     16 +static const int sidepad            = 10;       /* horizontal padding of bar */
     17  static const char *fonts[]          = { "monospace:size=10" };
     18  static const char dmenufont[]       = "monospace:size=10";
     19  static const char col_gray1[]       = "#222222";
     20 diff '--color=auto' -up dwm-6.6/dwm.c systray-dwm-6.6/dwm.c
     21 --- dwm-6.6/dwm.c	2025-08-09 15:00:55.740267680 +0200
     22 +++ systray-dwm-6.6/dwm.c	2025-11-18 16:35:53.062929489 +0100
     23 @@ -56,12 +56,27 @@
     24  #define TAGMASK                 ((1 << LENGTH(tags)) - 1)
     25  #define TEXTW(X)                (drw_fontset_getwidth(drw, (X)) + lrpad)
     26  
     27 +#define SYSTEM_TRAY_REQUEST_DOCK    0
     28 +/* XEMBED messages */
     29 +#define XEMBED_EMBEDDED_NOTIFY      0
     30 +#define XEMBED_WINDOW_ACTIVATE      1
     31 +#define XEMBED_FOCUS_IN             4
     32 +#define XEMBED_MODALITY_ON         10
     33 +#define XEMBED_MAPPED              (1 << 0)
     34 +#define XEMBED_WINDOW_ACTIVATE      1
     35 +#define XEMBED_WINDOW_DEACTIVATE    2
     36 +#define VERSION_MAJOR               0
     37 +#define VERSION_MINOR               0
     38 +#define XEMBED_EMBEDDED_VERSION (VERSION_MAJOR << 16) | VERSION_MINOR
     39 +
     40  /* enums */
     41  enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
     42  enum { SchemeNorm, SchemeSel }; /* color schemes */
     43  enum { NetSupported, NetWMName, NetWMState, NetWMCheck,
     44 +       NetSystemTray, NetSystemTrayOP, NetSystemTrayOrientation, NetSystemTrayOrientationHorz,
     45         NetWMFullscreen, NetActiveWindow, NetWMWindowType,
     46         NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
     47 +enum { Manager, Xembed, XembedInfo, XLast }; /* Xembed atoms */
     48  enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */
     49  enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
     50         ClkClientWin, ClkRootWin, ClkLast }; /* clicks */
     51 @@ -140,6 +155,12 @@ typedef struct {
     52  	int monitor;
     53  } Rule;
     54  
     55 +typedef struct Systray   Systray;
     56 +struct Systray {
     57 +	Window win;
     58 +	Client *icons;
     59 +};
     60 +
     61  /* function declarations */
     62  static void applyrules(Client *c);
     63  static int applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact);
     64 @@ -171,6 +192,7 @@ static void focusstack(const Arg *arg);
     65  static Atom getatomprop(Client *c, Atom prop);
     66  static int getrootptr(int *x, int *y);
     67  static long getstate(Window w);
     68 +static unsigned int getsystraywidth();
     69  static int gettextprop(Window w, Atom atom, char *text, unsigned int size);
     70  static void grabbuttons(Client *c, int focused);
     71  static void grabkeys(void);
     72 @@ -188,13 +210,16 @@ static void pop(Client *c);
     73  static void propertynotify(XEvent *e);
     74  static void quit(const Arg *arg);
     75  static Monitor *recttomon(int x, int y, int w, int h);
     76 +static void removesystrayicon(Client *i);
     77  static void resize(Client *c, int x, int y, int w, int h, int interact);
     78 +static void resizebarwin(Monitor *m);
     79  static void resizeclient(Client *c, int x, int y, int w, int h);
     80  static void resizemouse(const Arg *arg);
     81 +static void resizerequest(XEvent *e);
     82  static void restack(Monitor *m);
     83  static void run(void);
     84  static void scan(void);
     85 -static int sendevent(Client *c, Atom proto);
     86 +static int sendevent(Window w, Atom proto, int m, long d0, long d1, long d2, long d3, long d4);
     87  static void sendmon(Client *c, Monitor *m);
     88  static void setclientstate(Client *c, long state);
     89  static void setfocus(Client *c);
     90 @@ -205,6 +230,7 @@ static void setup(void);
     91  static void seturgent(Client *c, int urg);
     92  static void showhide(Client *c);
     93  static void spawn(const Arg *arg);
     94 +static Monitor *systraytomon(Monitor *m);
     95  static void tag(const Arg *arg);
     96  static void tagmon(const Arg *arg);
     97  static void tile(Monitor *m);
     98 @@ -222,24 +248,31 @@ static int updategeom(void);
     99  static void updatenumlockmask(void);
    100  static void updatesizehints(Client *c);
    101  static void updatestatus(void);
    102 +static void updatesystray(void);
    103 +static void updatesystrayicongeom(Client *i, int w, int h);
    104 +static void updatesystrayiconstate(Client *i, XPropertyEvent *ev);
    105  static void updatetitle(Client *c);
    106  static void updatewindowtype(Client *c);
    107  static void updatewmhints(Client *c);
    108  static void view(const Arg *arg);
    109  static Client *wintoclient(Window w);
    110  static Monitor *wintomon(Window w);
    111 +static Client *wintosystrayicon(Window w);
    112  static int xerror(Display *dpy, XErrorEvent *ee);
    113  static int xerrordummy(Display *dpy, XErrorEvent *ee);
    114  static int xerrorstart(Display *dpy, XErrorEvent *ee);
    115  static void zoom(const Arg *arg);
    116  
    117  /* variables */
    118 +static Systray *systray = NULL;
    119  static const char broken[] = "broken";
    120  static char stext[256];
    121  static int screen;
    122  static int sw, sh;           /* X display screen geometry width, height */
    123  static int bh;               /* bar height */
    124  static int lrpad;            /* sum of left and right padding for text */
    125 +static int vp;               /* vertical padding for bar */
    126 +static int sp;               /* side padding for bar */
    127  static int (*xerrorxlib)(Display *, XErrorEvent *);
    128  static unsigned int numlockmask = 0;
    129  static void (*handler[LASTEvent]) (XEvent *) = {
    130 @@ -256,9 +289,10 @@ static void (*handler[LASTEvent]) (XEven
    131  	[MapRequest] = maprequest,
    132  	[MotionNotify] = motionnotify,
    133  	[PropertyNotify] = propertynotify,
    134 +	[ResizeRequest] = resizerequest,
    135  	[UnmapNotify] = unmapnotify
    136  };
    137 -static Atom wmatom[WMLast], netatom[NetLast];
    138 +static Atom wmatom[WMLast], netatom[NetLast], xatom[XLast];
    139  static int running = 1;
    140  static Cur *cursor[CurLast];
    141  static Clr **scheme;
    142 @@ -440,7 +474,7 @@ buttonpress(XEvent *e)
    143  			arg.ui = 1 << i;
    144  		} else if (ev->x < x + TEXTW(selmon->ltsymbol))
    145  			click = ClkLtSymbol;
    146 -		else if (ev->x > selmon->ww - (int)TEXTW(stext))
    147 +		else if (ev->x > selmon->ww - (int)TEXTW(stext) - getsystraywidth())
    148  			click = ClkStatusText;
    149  		else
    150  			click = ClkWinTitle;
    151 @@ -483,6 +517,13 @@ cleanup(void)
    152  	XUngrabKey(dpy, AnyKey, AnyModifier, root);
    153  	while (mons)
    154  		cleanupmon(mons);
    155 +
    156 +	if (showsystray) {
    157 +		XUnmapWindow(dpy, systray->win);
    158 +		XDestroyWindow(dpy, systray->win);
    159 +		free(systray);
    160 +	}
    161 +
    162  	for (i = 0; i < CurLast; i++)
    163  		drw_cur_free(drw, cursor[i]);
    164  	for (i = 0; i < LENGTH(colors); i++)
    165 @@ -514,9 +555,58 @@ cleanupmon(Monitor *mon)
    166  void
    167  clientmessage(XEvent *e)
    168  {
    169 +	XWindowAttributes wa;
    170 +	XSetWindowAttributes swa;
    171  	XClientMessageEvent *cme = &e->xclient;
    172  	Client *c = wintoclient(cme->window);
    173  
    174 +	if (showsystray && cme->window == systray->win && cme->message_type == netatom[NetSystemTrayOP]) {
    175 +		/* add systray icons */
    176 +		if (cme->data.l[1] == SYSTEM_TRAY_REQUEST_DOCK) {
    177 +			if (!(c = (Client *)calloc(1, sizeof(Client))))
    178 +				die("fatal: could not malloc() %u bytes\n", sizeof(Client));
    179 +			if (!(c->win = cme->data.l[2])) {
    180 +				free(c);
    181 +				return;
    182 +			}
    183 +			c->mon = selmon;
    184 +			c->next = systray->icons;
    185 +			systray->icons = c;
    186 +			if (!XGetWindowAttributes(dpy, c->win, &wa)) {
    187 +				/* use sane defaults */
    188 +				wa.width = bh;
    189 +				wa.height = bh;
    190 +				wa.border_width = 0;
    191 +			}
    192 +			c->x = c->oldx = c->y = c->oldy = 0;
    193 +			c->w = c->oldw = wa.width;
    194 +			c->h = c->oldh = wa.height;
    195 +			c->oldbw = wa.border_width;
    196 +			c->bw = 0;
    197 +			c->isfloating = True;
    198 +			/* reuse tags field as mapped status */
    199 +			c->tags = 1;
    200 +			updatesizehints(c);
    201 +			updatesystrayicongeom(c, wa.width, wa.height);
    202 +			XAddToSaveSet(dpy, c->win);
    203 +			XSelectInput(dpy, c->win, StructureNotifyMask | PropertyChangeMask | ResizeRedirectMask);
    204 +			XReparentWindow(dpy, c->win, systray->win, 0, 0);
    205 +			/* use parents background color */
    206 +			swa.background_pixel  = scheme[SchemeNorm][ColBg].pixel;
    207 +			XChangeWindowAttributes(dpy, c->win, CWBackPixel, &swa);
    208 +			sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_EMBEDDED_NOTIFY, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
    209 +			/* FIXME not sure if I have to send these events, too */
    210 +			sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_FOCUS_IN, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
    211 +			sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_WINDOW_ACTIVATE, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
    212 +			sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_MODALITY_ON, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
    213 +			XSync(dpy, False);
    214 +			resizebarwin(selmon);
    215 +			updatesystray();
    216 +			setclientstate(c, NormalState);
    217 +		}
    218 +		return;
    219 +	}
    220 +
    221  	if (!c)
    222  		return;
    223  	if (cme->message_type == netatom[NetWMState]) {
    224 @@ -569,7 +659,7 @@ configurenotify(XEvent *e)
    225  				for (c = m->clients; c; c = c->next)
    226  					if (c->isfullscreen)
    227  						resizeclient(c, m->mx, m->my, m->mw, m->mh);
    228 -				XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh);
    229 +				resizebarwin(m);
    230  			}
    231  			focus(NULL);
    232  			arrange(NULL);
    233 @@ -654,6 +744,11 @@ destroynotify(XEvent *e)
    234  
    235  	if ((c = wintoclient(ev->window)))
    236  		unmanage(c, 1);
    237 +	else if ((c = wintosystrayicon(ev->window))) {
    238 +		removesystrayicon(c);
    239 +		resizebarwin(selmon);
    240 +		updatesystray();
    241 +	}
    242  }
    243  
    244  void
    245 @@ -697,7 +792,7 @@ dirtomon(int dir)
    246  void
    247  drawbar(Monitor *m)
    248  {
    249 -	int x, w, tw = 0;
    250 +	int x, w, tw = 0, stw = 0;
    251  	int boxs = drw->fonts->h / 9;
    252  	int boxw = drw->fonts->h / 6 + 2;
    253  	unsigned int i, occ = 0, urg = 0;
    254 @@ -706,13 +801,17 @@ drawbar(Monitor *m)
    255  	if (!m->showbar)
    256  		return;
    257  
    258 +	if(showsystray && m == systraytomon(m) && !systrayonleft)
    259 +		stw = getsystraywidth();
    260 +
    261  	/* draw status first so it can be overdrawn by tags later */
    262  	if (m == selmon) { /* status is only drawn on selected monitor */
    263  		drw_setscheme(drw, scheme[SchemeNorm]);
    264 -		tw = TEXTW(stext) - lrpad + 2; /* 2px right padding */
    265 -		drw_text(drw, m->ww - tw, 0, tw, bh, 0, stext, 0);
    266 +		tw = TEXTW(stext) - lrpad / 2 + 2; /* 2px right padding */
    267 +		drw_text(drw, m->ww - tw - stw - 2 * sp, 0, tw, bh, lrpad / 2 - 2, stext, 0);
    268  	}
    269  
    270 +	resizebarwin(m);
    271  	for (c = m->clients; c; c = c->next) {
    272  		occ |= c->tags;
    273  		if (c->isurgent)
    274 @@ -733,18 +832,18 @@ drawbar(Monitor *m)
    275  	drw_setscheme(drw, scheme[SchemeNorm]);
    276  	x = drw_text(drw, x, 0, w, bh, lrpad / 2, m->ltsymbol, 0);
    277  
    278 -	if ((w = m->ww - tw - x) > bh) {
    279 +	if ((w = m->ww - tw - stw - x) > bh) {
    280  		if (m->sel) {
    281  			drw_setscheme(drw, scheme[m == selmon ? SchemeSel : SchemeNorm]);
    282 -			drw_text(drw, x, 0, w, bh, lrpad / 2, m->sel->name, 0);
    283 +			drw_text(drw, x, 0, w - 2 * sp, bh, lrpad / 2, m->sel->name, 0);
    284  			if (m->sel->isfloating)
    285  				drw_rect(drw, x + boxs, boxs, boxw, boxw, m->sel->isfixed, 0);
    286  		} else {
    287  			drw_setscheme(drw, scheme[SchemeNorm]);
    288 -			drw_rect(drw, x, 0, w, bh, 1, 1);
    289 +			drw_rect(drw, x, 0, w - 2 * sp, bh, 1, 1);
    290  		}
    291  	}
    292 -	drw_map(drw, m->barwin, 0, 0, m->ww, bh);
    293 +	drw_map(drw, m->barwin, 0, 0, m->ww - stw, bh);
    294  }
    295  
    296  void
    297 @@ -781,8 +880,11 @@ expose(XEvent *e)
    298  	Monitor *m;
    299  	XExposeEvent *ev = &e->xexpose;
    300  
    301 -	if (ev->count == 0 && (m = wintomon(ev->window)))
    302 +	if (ev->count == 0 && (m = wintomon(ev->window))) {
    303  		drawbar(m);
    304 +		if (m == selmon)
    305 +			updatesystray();
    306 +	}
    307  }
    308  
    309  void
    310 @@ -868,14 +970,32 @@ getatomprop(Client *c, Atom prop)
    311  	unsigned char *p = NULL;
    312  	Atom da, atom = None;
    313  
    314 -	if (XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, XA_ATOM,
    315 +	/* FIXME getatomprop should return the number of items and a pointer to
    316 +	 * the stored data instead of this workaround */
    317 +	Atom req = XA_ATOM;
    318 +	if (prop == xatom[XembedInfo])
    319 +		req = xatom[XembedInfo];
    320 +
    321 +	if (XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, req,
    322  		&da, &di, &dl, &dl, &p) == Success && p) {
    323  		atom = *(Atom *)p;
    324 +		if (da == xatom[XembedInfo] && dl == 2)
    325 +			atom = ((Atom *)p)[1];
    326  		XFree(p);
    327  	}
    328  	return atom;
    329  }
    330  
    331 +unsigned int
    332 +getsystraywidth()
    333 +{
    334 +	unsigned int w = 0;
    335 +	Client *i;
    336 +	if(showsystray)
    337 +		for(i = systray->icons; i; w += i->w + systrayspacing, i = i->next) ;
    338 +	return w ? w + systrayspacing : 1;
    339 +}
    340 +
    341  int
    342  getrootptr(int *x, int *y)
    343  {
    344 @@ -1016,7 +1136,8 @@ killclient(const Arg *arg)
    345  {
    346  	if (!selmon->sel)
    347  		return;
    348 -	if (!sendevent(selmon->sel, wmatom[WMDelete])) {
    349 +
    350 +	if (!sendevent(selmon->sel->win, wmatom[WMDelete], NoEventMask, wmatom[WMDelete], CurrentTime, 0 , 0, 0)) {
    351  		XGrabServer(dpy);
    352  		XSetErrorHandler(xerrordummy);
    353  		XSetCloseDownMode(dpy, DestroyAll);
    354 @@ -1103,6 +1224,13 @@ maprequest(XEvent *e)
    355  	static XWindowAttributes wa;
    356  	XMapRequestEvent *ev = &e->xmaprequest;
    357  
    358 +	Client *i;
    359 +	if ((i = wintosystrayicon(ev->window))) {
    360 +		sendevent(i->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_WINDOW_ACTIVATE, 0, systray->win, XEMBED_EMBEDDED_VERSION);
    361 +		resizebarwin(selmon);
    362 +		updatesystray();
    363 +	}
    364 +
    365  	if (!XGetWindowAttributes(dpy, ev->window, &wa) || wa.override_redirect)
    366  		return;
    367  	if (!wintoclient(ev->window))
    368 @@ -1224,6 +1352,17 @@ propertynotify(XEvent *e)
    369  	Window trans;
    370  	XPropertyEvent *ev = &e->xproperty;
    371  
    372 +	if ((c = wintosystrayicon(ev->window))) {
    373 +		if (ev->atom == XA_WM_NORMAL_HINTS) {
    374 +			updatesizehints(c);
    375 +			updatesystrayicongeom(c, c->w, c->h);
    376 +		}
    377 +		else
    378 +			updatesystrayiconstate(c, ev);
    379 +		resizebarwin(selmon);
    380 +		updatesystray();
    381 +	}
    382 +
    383  	if ((ev->window == root) && (ev->atom == XA_WM_NAME))
    384  		updatestatus();
    385  	else if (ev->state == PropertyDelete)
    386 @@ -1275,6 +1414,19 @@ recttomon(int x, int y, int w, int h)
    387  }
    388  
    389  void
    390 +removesystrayicon(Client *i)
    391 +{
    392 +	Client **ii;
    393 +
    394 +	if (!showsystray || !i)
    395 +		return;
    396 +	for (ii = &systray->icons; *ii && *ii != i; ii = &(*ii)->next);
    397 +	if (ii)
    398 +		*ii = i->next;
    399 +	free(i);
    400 +}
    401 +
    402 +void
    403  resize(Client *c, int x, int y, int w, int h, int interact)
    404  {
    405  	if (applysizehints(c, &x, &y, &w, &h, interact))
    406 @@ -1282,6 +1434,14 @@ resize(Client *c, int x, int y, int w, i
    407  }
    408  
    409  void
    410 +resizebarwin(Monitor *m) {
    411 +	unsigned int w = m->ww;
    412 +	if (showsystray && m == systraytomon(m) && !systrayonleft)
    413 +		w -= getsystraywidth();
    414 +	XMoveResizeWindow(dpy, m->barwin, m->wx + sp, m->by + vp, w - 2 * sp, bh);
    415 +}
    416 +
    417 +void
    418  resizeclient(Client *c, int x, int y, int w, int h)
    419  {
    420  	XWindowChanges wc;
    421 @@ -1297,6 +1457,19 @@ resizeclient(Client *c, int x, int y, in
    422  }
    423  
    424  void
    425 +resizerequest(XEvent *e)
    426 +{
    427 +	XResizeRequestEvent *ev = &e->xresizerequest;
    428 +	Client *i;
    429 +
    430 +	if ((i = wintosystrayicon(ev->window))) {
    431 +		updatesystrayicongeom(i, ev->width, ev->height);
    432 +		resizebarwin(selmon);
    433 +		updatesystray();
    434 +	}
    435 +}
    436 +
    437 +void
    438  resizemouse(const Arg *arg)
    439  {
    440  	int ocx, ocy, nw, nh;
    441 @@ -1442,26 +1615,37 @@ setclientstate(Client *c, long state)
    442  }
    443  
    444  int
    445 -sendevent(Client *c, Atom proto)
    446 +sendevent(Window w, Atom proto, int mask, long d0, long d1, long d2, long d3, long d4)
    447  {
    448  	int n;
    449 -	Atom *protocols;
    450 +	Atom *protocols, mt;
    451  	int exists = 0;
    452  	XEvent ev;
    453  
    454 -	if (XGetWMProtocols(dpy, c->win, &protocols, &n)) {
    455 -		while (!exists && n--)
    456 -			exists = protocols[n] == proto;
    457 -		XFree(protocols);
    458 +	if (proto == wmatom[WMTakeFocus] || proto == wmatom[WMDelete]) {
    459 +		mt = wmatom[WMProtocols];
    460 +		if (XGetWMProtocols(dpy, w, &protocols, &n)) {
    461 +			while (!exists && n--)
    462 +				exists = protocols[n] == proto;
    463 +			XFree(protocols);
    464 +		}
    465  	}
    466 +	else {
    467 +		exists = True;
    468 +		mt = proto;
    469 +	}
    470 +
    471  	if (exists) {
    472  		ev.type = ClientMessage;
    473 -		ev.xclient.window = c->win;
    474 -		ev.xclient.message_type = wmatom[WMProtocols];
    475 +		ev.xclient.window = w;
    476 +		ev.xclient.message_type = mt;
    477  		ev.xclient.format = 32;
    478 -		ev.xclient.data.l[0] = proto;
    479 -		ev.xclient.data.l[1] = CurrentTime;
    480 -		XSendEvent(dpy, c->win, False, NoEventMask, &ev);
    481 +		ev.xclient.data.l[0] = d0;
    482 +		ev.xclient.data.l[1] = d1;
    483 +		ev.xclient.data.l[2] = d2;
    484 +		ev.xclient.data.l[3] = d3;
    485 +		ev.xclient.data.l[4] = d4;
    486 +		XSendEvent(dpy, w, False, mask, &ev);
    487  	}
    488  	return exists;
    489  }
    490 @@ -1475,7 +1659,7 @@ setfocus(Client *c)
    491  			XA_WINDOW, 32, PropModeReplace,
    492  			(unsigned char *) &(c->win), 1);
    493  	}
    494 -	sendevent(c, wmatom[WMTakeFocus]);
    495 +	sendevent(c->win, wmatom[WMTakeFocus], NoEventMask, wmatom[WMTakeFocus], CurrentTime, 0, 0, 0);
    496  }
    497  
    498  void
    499 @@ -1563,6 +1747,9 @@ setup(void)
    500  	lrpad = drw->fonts->h;
    501  	bh = drw->fonts->h + 2;
    502  	updategeom();
    503 +	sp = sidepad;
    504 +	vp = (topbar == 1) ? vertpad : - vertpad;
    505 +
    506  	/* init atoms */
    507  	utf8string = XInternAtom(dpy, "UTF8_STRING", False);
    508  	wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
    509 @@ -1571,6 +1758,10 @@ setup(void)
    510  	wmatom[WMTakeFocus] = XInternAtom(dpy, "WM_TAKE_FOCUS", False);
    511  	netatom[NetActiveWindow] = XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False);
    512  	netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
    513 +	netatom[NetSystemTray] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_S0", False);
    514 +	netatom[NetSystemTrayOP] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_OPCODE", False);
    515 +	netatom[NetSystemTrayOrientation] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION", False);
    516 +	netatom[NetSystemTrayOrientationHorz] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION_HORZ", False);
    517  	netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
    518  	netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False);
    519  	netatom[NetWMCheck] = XInternAtom(dpy, "_NET_SUPPORTING_WM_CHECK", False);
    520 @@ -1578,6 +1769,9 @@ setup(void)
    521  	netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
    522  	netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False);
    523  	netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False);
    524 +	xatom[Manager] = XInternAtom(dpy, "MANAGER", False);
    525 +	xatom[Xembed] = XInternAtom(dpy, "_XEMBED", False);
    526 +	xatom[XembedInfo] = XInternAtom(dpy, "_XEMBED_INFO", False);
    527  	/* init cursors */
    528  	cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr);
    529  	cursor[CurResize] = drw_cur_create(drw, XC_sizing);
    530 @@ -1586,9 +1780,12 @@ setup(void)
    531  	scheme = ecalloc(LENGTH(colors), sizeof(Clr *));
    532  	for (i = 0; i < LENGTH(colors); i++)
    533  		scheme[i] = drw_scm_create(drw, colors[i], 3);
    534 +	/* init system tray */
    535 +	updatesystray();
    536  	/* init bars */
    537  	updatebars();
    538  	updatestatus();
    539 +	updatebarpos(selmon);
    540  	/* supporting window for NetWMCheck */
    541  	wmcheckwin = XCreateSimpleWindow(dpy, root, 0, 0, 1, 1, 0, 0, 0);
    542  	XChangeProperty(dpy, wmcheckwin, netatom[NetWMCheck], XA_WINDOW, 32,
    543 @@ -1716,7 +1913,18 @@ togglebar(const Arg *arg)
    544  {
    545  	selmon->showbar = !selmon->showbar;
    546  	updatebarpos(selmon);
    547 -	XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh);
    548 +	resizebarwin(selmon);
    549 +	if (showsystray) {
    550 +		XWindowChanges wc;
    551 +		if (!selmon->showbar)
    552 +			wc.y = -bh;
    553 +		else if (selmon->showbar) {
    554 +			wc.y = 0;
    555 +			if (!selmon->topbar)
    556 +				wc.y = selmon->mh - bh;
    557 +		}
    558 +		XConfigureWindow(dpy, systray->win, CWY, &wc);
    559 +	}
    560  	arrange(selmon);
    561  }
    562  
    563 @@ -1812,11 +2020,18 @@ unmapnotify(XEvent *e)
    564  		else
    565  			unmanage(c, 0);
    566  	}
    567 +	else if ((c = wintosystrayicon(ev->window))) {
    568 +		/* KLUDGE! sometimes icons occasionally unmap their windows, but do
    569 +		 * _not_ destroy them. We map those windows back */
    570 +		XMapRaised(dpy, c->win);
    571 +		updatesystray();
    572 +	}
    573  }
    574  
    575  void
    576  updatebars(void)
    577  {
    578 +	unsigned int w;
    579  	Monitor *m;
    580  	XSetWindowAttributes wa = {
    581  		.override_redirect = True,
    582 @@ -1827,10 +2042,15 @@ updatebars(void)
    583  	for (m = mons; m; m = m->next) {
    584  		if (m->barwin)
    585  			continue;
    586 -		m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen),
    587 +		w = m->ww;
    588 +		if (showsystray && m == systraytomon(m))
    589 +			w -= getsystraywidth();
    590 +		m->barwin = XCreateWindow(dpy, root, m->wx + sp, m->by + vp, w - 2 * sp, bh, 0, DefaultDepth(dpy, screen),
    591  				CopyFromParent, DefaultVisual(dpy, screen),
    592  				CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
    593  		XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor);
    594 +		if (showsystray && m == systraytomon(m))
    595 +			XMapRaised(dpy, systray->win);
    596  		XMapRaised(dpy, m->barwin);
    597  		XSetClassHint(dpy, m->barwin, &ch);
    598  	}
    599 @@ -1842,11 +2062,11 @@ updatebarpos(Monitor *m)
    600  	m->wy = m->my;
    601  	m->wh = m->mh;
    602  	if (m->showbar) {
    603 -		m->wh -= bh;
    604 -		m->by = m->topbar ? m->wy : m->wy + m->wh;
    605 -		m->wy = m->topbar ? m->wy + bh : m->wy;
    606 +		m->wh = m->wh - vertpad - bh;
    607 +		m->by = m->topbar ? m->wy : m->wy + m->wh + vertpad;
    608 +		m->wy = m->topbar ? m->wy + bh + vp : m->wy;
    609  	} else
    610 -		m->by = -bh;
    611 +		m->by = -bh - vp;
    612  }
    613  
    614  void
    615 @@ -2007,6 +2227,126 @@ updatestatus(void)
    616  	if (!gettextprop(root, XA_WM_NAME, stext, sizeof(stext)))
    617  		strcpy(stext, "dwm-"VERSION);
    618  	drawbar(selmon);
    619 +	updatesystray();
    620 +}
    621 +
    622 +
    623 +void
    624 +updatesystrayicongeom(Client *i, int w, int h)
    625 +{
    626 +	if (i) {
    627 +		i->h = bh;
    628 +		if (w == h)
    629 +			i->w = bh;
    630 +		else if (h == bh)
    631 +			i->w = w;
    632 +		else
    633 +			i->w = (int) ((float)bh * ((float)w / (float)h));
    634 +		applysizehints(i, &(i->x), &(i->y), &(i->w), &(i->h), False);
    635 +		/* force icons into the systray dimensions if they don't want to */
    636 +		if (i->h > bh) {
    637 +			if (i->w == i->h)
    638 +				i->w = bh;
    639 +			else
    640 +				i->w = (int) ((float)bh * ((float)i->w / (float)i->h));
    641 +			i->h = bh;
    642 +		}
    643 +	}
    644 +}
    645 +
    646 +void
    647 +updatesystrayiconstate(Client *i, XPropertyEvent *ev)
    648 +{
    649 +	long flags;
    650 +	int code = 0;
    651 +
    652 +	if (!showsystray || !i || ev->atom != xatom[XembedInfo] ||
    653 +			!(flags = getatomprop(i, xatom[XembedInfo])))
    654 +		return;
    655 +
    656 +	if (flags & XEMBED_MAPPED && !i->tags) {
    657 +		i->tags = 1;
    658 +		code = XEMBED_WINDOW_ACTIVATE;
    659 +		XMapRaised(dpy, i->win);
    660 +		setclientstate(i, NormalState);
    661 +	}
    662 +	else if (!(flags & XEMBED_MAPPED) && i->tags) {
    663 +		i->tags = 0;
    664 +		code = XEMBED_WINDOW_DEACTIVATE;
    665 +		XUnmapWindow(dpy, i->win);
    666 +		setclientstate(i, WithdrawnState);
    667 +	}
    668 +	else
    669 +		return;
    670 +	sendevent(i->win, xatom[Xembed], StructureNotifyMask, CurrentTime, code, 0,
    671 +			systray->win, XEMBED_EMBEDDED_VERSION);
    672 +}
    673 +
    674 +void
    675 +updatesystray(void)
    676 +{
    677 +	XSetWindowAttributes wa;
    678 +	XWindowChanges wc;
    679 +	Client *i;
    680 +	Monitor *m = systraytomon(NULL);
    681 +	unsigned int x = m->mx + m->mw - vp;
    682 +	unsigned int y = m->by + sp;
    683 +	unsigned int sw = TEXTW(stext) - lrpad + systrayspacing;
    684 +	unsigned int w = 1;
    685 +
    686 +	if (!showsystray)
    687 +		return;
    688 +	if (systrayonleft)
    689 +		x -= sw + lrpad / 2;
    690 +	if (!systray) {
    691 +		/* init systray */
    692 +		if (!(systray = (Systray *)calloc(1, sizeof(Systray))))
    693 +			die("fatal: could not malloc() %u bytes\n", sizeof(Systray));
    694 +		systray->win = XCreateSimpleWindow(dpy, root, x, y, w, bh, 0, 0, scheme[SchemeSel][ColBg].pixel);
    695 +		wa.event_mask        = ButtonPressMask | ExposureMask;
    696 +		wa.override_redirect = True;
    697 +		wa.background_pixel  = scheme[SchemeNorm][ColBg].pixel;
    698 +		XSelectInput(dpy, systray->win, SubstructureNotifyMask);
    699 +		XChangeProperty(dpy, systray->win, netatom[NetSystemTrayOrientation], XA_CARDINAL, 32,
    700 +				PropModeReplace, (unsigned char *)&netatom[NetSystemTrayOrientationHorz], 1);
    701 +		XChangeWindowAttributes(dpy, systray->win, CWEventMask|CWOverrideRedirect|CWBackPixel, &wa);
    702 +		XMapRaised(dpy, systray->win);
    703 +		XSetSelectionOwner(dpy, netatom[NetSystemTray], systray->win, CurrentTime);
    704 +		if (XGetSelectionOwner(dpy, netatom[NetSystemTray]) == systray->win) {
    705 +			sendevent(root, xatom[Manager], StructureNotifyMask, CurrentTime, netatom[NetSystemTray], systray->win, 0, 0);
    706 +			XSync(dpy, False);
    707 +		}
    708 +		else {
    709 +			fprintf(stderr, "dwm: unable to obtain system tray.\n");
    710 +			free(systray);
    711 +			systray = NULL;
    712 +			return;
    713 +		}
    714 +	}
    715 +	for (w = 0, i = systray->icons; i; i = i->next) {
    716 +		/* make sure the background color stays the same */
    717 +		wa.background_pixel  = scheme[SchemeNorm][ColBg].pixel;
    718 +		XChangeWindowAttributes(dpy, i->win, CWBackPixel, &wa);
    719 +		XMapRaised(dpy, i->win);
    720 +		w += systrayspacing;
    721 +		i->x = w;
    722 +		XMoveResizeWindow(dpy, i->win, i->x, y - sp, i->w, i->h);
    723 +		w += i->w;
    724 +		if (i->mon != m)
    725 +			i->mon = m;
    726 +	}
    727 +	w = w ? w + systrayspacing : 1;
    728 +	x -= w;
    729 +	XMoveResizeWindow(dpy, systray->win, x, y, w, bh);
    730 +	wc.x = x; wc.y = y; wc.width = w; wc.height = bh;
    731 +	wc.stack_mode = Above; wc.sibling = m->barwin;
    732 +	XConfigureWindow(dpy, systray->win, CWX|CWY|CWWidth|CWHeight|CWSibling|CWStackMode, &wc);
    733 +	XMapWindow(dpy, systray->win);
    734 +	XMapSubwindows(dpy, systray->win);
    735 +	/* redraw background */
    736 +	XSetForeground(dpy, drw->gc, scheme[SchemeNorm][ColBg].pixel);
    737 +	XFillRectangle(dpy, systray->win, drw->gc, 0, 0, w, bh);
    738 +	XSync(dpy, False);
    739  }
    740  
    741  void
    742 @@ -2074,6 +2414,16 @@ wintoclient(Window w)
    743  	return NULL;
    744  }
    745  
    746 +Client *
    747 +wintosystrayicon(Window w) {
    748 +	Client *i = NULL;
    749 +
    750 +	if (!showsystray || !w)
    751 +		return i;
    752 +	for (i = systray->icons; i && i->win != w; i = i->next) ;
    753 +	return i;
    754 +}
    755 +
    756  Monitor *
    757  wintomon(Window w)
    758  {
    759 @@ -2127,6 +2477,22 @@ xerrorstart(Display *dpy, XErrorEvent *e
    760  	return -1;
    761  }
    762  
    763 +Monitor *
    764 +systraytomon(Monitor *m) {
    765 +	Monitor *t;
    766 +	int i, n;
    767 +	if(!systraypinning) {
    768 +		if(!m)
    769 +			return selmon;
    770 +		return m == selmon ? m : NULL;
    771 +	}
    772 +	for(n = 1, t = mons; t && t->next; n++, t = t->next) ;
    773 +	for(i = 1, t = mons; t && t->next && i < systraypinning; i++, t = t->next) ;
    774 +	if(systraypinningfailfirst && n < systraypinning)
    775 +		return mons;
    776 +	return t;
    777 +}
    778 +
    779  void
    780  zoom(const Arg *arg)
    781  {
    782 @@ -2162,3 +2528,4 @@ main(int argc, char *argv[])
    783  	XCloseDisplay(dpy);
    784  	return EXIT_SUCCESS;
    785  }
    786 +