--- /dev/null
+diff --git a/config.def.h b/config.def.h
+index 7054c06..8393a58 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -13,6 +13,10 @@ 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 systraypinning = 0; /* 0: sloppy systray follows selected monitor, >0: pin systray to monitor X */
++static const unsigned int systrayspacing = 2; /* systray spacing */
++static const int systraypinningfailfirst = 1; /* 1: if pinning fails, display systray on the first monitor, 0: 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 */
+
+diff --git a/dwm.c b/dwm.c
+index ff7e096..cf0b3a9 100644
+--- a/dwm.c
++++ b/dwm.c
+@@ -57,12 +57,30 @@
+ #define TAGMASK ((1 << LENGTH(tags)) - 1)
+ #define TEXTW(X) (drw_text(drw, 0, 0, 0, 0, (X), 0) + drw->fonts[0]->h)
+
++#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 { SchemeNorm, SchemeSel, SchemeLast }; /* color schemes */
+-enum { NetSupported, NetWMName, NetWMState,
+- NetWMFullscreen, NetActiveWindow, NetWMWindowType,
+- NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
++enum { NetSupported, NetSystemTray, NetSystemTrayOP, NetSystemTrayOrientation,
++ NetWMName, NetWMState, NetWMFullscreen, 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 */
+@@ -141,6 +159,12 @@ typedef struct {
+ int monitor;
+ } Rule;
+
++typedef struct Systray Systray;
++struct Systray {
++ Window win;
++ Client *icons;
++};
++
+ /* function declarations */
+ static void applyrules(Client *c);
+ static int applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact);
+@@ -170,8 +194,10 @@ static void focus(Client *c);
+ static void focusin(XEvent *e);
+ static void focusmon(const Arg *arg);
+ static void focusstack(const Arg *arg);
++static Atom getatomprop(Client *c, Atom prop);
+ static int getrootptr(int *x, int *y);
+ static long getstate(Window w);
++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);
+@@ -189,13 +215,16 @@ 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, 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);
+@@ -206,6 +235,7 @@ static void setup(void);
+ static void showhide(Client *c);
+ static void sigchld(int unused);
+ 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 *);
+@@ -223,18 +253,24 @@ static void updateclientlist(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;
+@@ -256,9 +292,10 @@ 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 ClrScheme scheme[SchemeLast];
+@@ -479,6 +516,11 @@ 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 < SchemeLast; i++) {
+@@ -524,9 +566,50 @@ 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 color */
++ swa.background_pixel = scheme[SchemeNorm].bg->pix;
++ 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]) {
+@@ -581,7 +664,7 @@ configurenotify(XEvent *e)
+ for (c = m->clients; c; c = c->next)
+ if (c->isfullscreen)
+ 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);
+@@ -666,6 +749,11 @@ destroynotify(XEvent *e)
+
+ if ((c = wintoclient(ev->window)))
+ unmanage(c, 1);
++ else if ((c = wintosystrayicon(ev->window))) {
++ removesystrayicon(c);
++ resizebarwin(selmon);
++ updatesystray();
++ }
+ }
+
+ void
+@@ -715,6 +803,7 @@ drawbar(Monitor *m)
+
+ dx = (drw->fonts[0]->ascent + drw->fonts[0]->descent + 2) / 4;
+
++ resizebarwin(m);
+ for (c = m->clients; c; c = c->next) {
+ occ |= c->tags;
+ if (c->isurgent)
+@@ -737,6 +826,9 @@ drawbar(Monitor *m)
+ if (m == selmon) { /* status is only drawn on selected monitor */
+ w = TEXTW(stext);
+ x = m->ww - w;
++ if (showsystray && m == systraytomon(m)) {
++ x -= getsystraywidth();
++ }
+ if (x < xx) {
+ x = xx;
+ w = m->ww - xx;
+@@ -765,6 +857,7 @@ drawbars(void)
+
+ for (m = mons; m; m = m->next)
+ drawbar(m);
++ updatesystray();
+ }
+
+ void
+@@ -792,8 +885,11 @@ 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();
++ }
+ }
+
+ void
+@@ -880,10 +976,17 @@ 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;
+@@ -917,6 +1020,15 @@ 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;
++}
++
+ int
+ gettextprop(Window w, Atom atom, char *text, unsigned int size)
+ {
+@@ -1023,7 +1135,7 @@ 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);
+@@ -1110,6 +1222,12 @@ 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;
+@@ -1237,6 +1355,16 @@ 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)
+@@ -1288,6 +1416,19 @@ 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))
+@@ -1295,6 +1436,14 @@ 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))
++ 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;
+@@ -1367,6 +1516,18 @@ 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;
+@@ -1455,26 +1616,36 @@ 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;
+ }
+@@ -1488,7 +1659,7 @@ 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
+@@ -1574,12 +1745,18 @@ 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);
+ 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);
+@@ -1591,6 +1768,8 @@ setup(void)
+ scheme[SchemeSel].border = drw_clr_create(drw, selbordercolor);
+ scheme[SchemeSel].bg = drw_clr_create(drw, selbgcolor);
+ scheme[SchemeSel].fg = drw_clr_create(drw, selfgcolor);
++ /* init system tray */
++ updatesystray();
+ /* init bars */
+ updatebars();
+ updatestatus();
+@@ -1650,6 +1829,22 @@ spawn(const Arg *arg)
+ }
+ }
+
++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
+ tag(const Arg *arg)
+ {
+@@ -1699,7 +1894,18 @@ togglebar(const Arg *arg)
+ {
+ selmon->showbar = !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);
+ }
+
+@@ -1795,11 +2001,17 @@ unmapnotify(XEvent *e)
+ else
+ unmanage(c, 0);
+ }
++ else if ((c = wintosystrayicon(ev->window))) {
++ removesystrayicon(c);
++ resizebarwin(selmon);
++ updatesystray();
++ }
+ }
+
+ void
+ updatebars(void)
+ {
++ unsigned int w;
+ Monitor *m;
+ XSetWindowAttributes wa = {
+ .override_redirect = True,
+@@ -1809,10 +2021,15 @@ 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);
+ }
+ }
+@@ -2003,6 +2220,117 @@ updatestatus(void)
+ }
+
+ 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;
++ XWindowChanges wc;
++ Client *i;
++ Monitor *m = systraytomon(NULL);
++ unsigned int x = m->mx + m->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, m->by, w, bh, 0, 0, scheme[SchemeSel].bg->pix);
++ wa.event_mask = ButtonPressMask | ExposureMask;
++ wa.override_redirect = True;
++ wa.background_pixel = scheme[SchemeNorm].bg->pix;
++ 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) {
++ /* make sure the background color stays the same */
++ wa.background_pixel = scheme[SchemeNorm].bg->pix;
++ 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].bg->pix);
++ XFillRectangle(dpy, systray->win, drw->gc, 0, 0, w, bh);
++ XSync(dpy, False);
++}
++
++void
+ updatewindowtype(Client *c)
+ {
+ Atom state = getatomprop(c, netatom[NetWMState]);
+@@ -2075,6 +2403,16 @@ 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. */
projects / proto / iwe.git / commitdiff