commit 5c05494a47e31ed9cb0844bb4de62fe8696775fb
parent 91d5cd5d9d7dce34e10bb0fe2c45034a5b094276
Author: Rodolfo Olivieri <rolivier@redhat.com>
Date: Fri, 14 Jan 2022 16:59:27 -0300
Update dwm-systray patch to version 6.3
The latest systray patch (dwm-systray-20210418-67d76bd.diff) was broken in the
dwm version 6.3.
Diffstat:
1 file changed, 764 insertions(+), 0 deletions(-)
diff --git a/dwm.suckless.org/patches/systray/dwm-systray-6.3.diff b/dwm.suckless.org/patches/systray/dwm-systray-6.3.diff
@@ -0,0 +1,764 @@
+diff --git a/config.def.h b/config.def.h
+index a2ac963..4be4c06 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -2,9 +2,14 @@
+
+ /* appearance */
+ static const unsigned int borderpx = 1; /* border pixel of windows */
+-static const unsigned int snap = 32; /* snap pixel */
+-static const int showbar = 1; /* 0 means no bar */
+-static const int topbar = 1; /* 0 means bottom bar */
++static const unsigned int snap = 32; /* snap pixel */:wq
++static const unsigned int systraypinning = 0; /* 0: sloppy systray follows selected monitor, >0: pin systray to monitor X */
++static const unsigned int systrayonleft = 0; /* 0: systray in the right corner, >0: systray on left of status text */
++static const unsigned int systrayspacing = 2; /* systray spacing */
++static const int systraypinningfailfirst = 1; /* 1: if pinning fails, display systray on the first monitor, False: display systray on the last monitor*/
++static const int showsystray = 1; /* 0 means no systray */
++static const int showbar = 1; /* 0 means no bar */
++static const int topbar = 1; /* 0 means bottom bar */
+ static const char *fonts[] = { "monospace:size=10" };
+ static const char dmenufont[] = "monospace:size=10";
+ static const char col_gray1[] = "#222222";
+@@ -101,8 +106,8 @@ static Key keys[] = {
+ /* click can be ClkTagBar, 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]} },
++ { ClkTagBar, MODKEY, Button1, tag, {0} },
++ { ClkTagBar, MODKEY, Button3, toggletag, {0} },
+ { ClkWinTitle, 0, Button2, zoom, {0} },
+ { ClkStatusText, 0, Button2, spawn, {.v = termcmd } },
+ { ClkClientWin, MODKEY, Button1, movemouse, {0} },
+diff --git a/dwm.c b/dwm.c
+index a96f33c..b241aee 100644
+--- a/dwm.c
++++ b/dwm.c
+@@ -57,12 +57,27 @@
+ #define TAGMASK ((1 << LENGTH(tags)) - 1)
+ #define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
+
++#define SYSTEM_TRAY_REQUEST_DOCK 0
++/* XEMBED messages */
++#define XEMBED_EMBEDDED_NOTIFY 0
++#define XEMBED_WINDOW_ACTIVATE 1
++#define XEMBED_FOCUS_IN 4
++#define XEMBED_MODALITY_ON 10
++#define XEMBED_MAPPED (1 << 0)
++#define XEMBED_WINDOW_ACTIVATE 1
++#define XEMBED_WINDOW_DEACTIVATE 2
++#define VERSION_MAJOR 0
++#define VERSION_MINOR 0
++#define XEMBED_EMBEDDED_VERSION (VERSION_MAJOR << 16) | VERSION_MINOR
++
+ /* enums */
+ enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
+ enum { SchemeNorm, SchemeSel }; /* color schemes */
+ enum { NetSupported, NetWMName, NetWMState, NetWMCheck,
++ NetSystemTray, NetSystemTrayOP, NetSystemTrayOrientation, NetSystemTrayOrientationHorz,
+ NetWMFullscreen, 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 +156,12 @@ 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);
+@@ -172,6 +193,7 @@ 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 +211,16 @@ 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);
+@@ -207,6 +232,7 @@ static void seturgent(Client *c, int urg);
+ 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 *);
+@@ -224,18 +250,23 @@ static int updategeom(void);
+ static void updatenumlockmask(void);
+ static void updatesizehints(Client *c);
+ static void updatestatus(void);
++static void updatesystray(void);
++static void updatesystrayicongeom(Client *i, int w, int h);
++static void updatesystrayiconstate(Client *i, XPropertyEvent *ev);
+ static void updatetitle(Client *c);
+ static void updatewindowtype(Client *c);
+ static void updatewmhints(Client *c);
+ static void view(const Arg *arg);
+ static Client *wintoclient(Window w);
+ static Monitor *wintomon(Window w);
++static Client *wintosystrayicon(Window w);
+ static int xerror(Display *dpy, XErrorEvent *ee);
+ static int xerrordummy(Display *dpy, XErrorEvent *ee);
+ static int xerrorstart(Display *dpy, XErrorEvent *ee);
+ static void zoom(const Arg *arg);
+
+ /* variables */
++static Systray *systray = NULL;
+ static const char broken[] = "broken";
+ static char stext[256];
+ static int screen;
+@@ -258,9 +289,10 @@ static void (*handler[LASTEvent]) (XEvent *) = {
+ [MapRequest] = maprequest,
+ [MotionNotify] = motionnotify,
+ [PropertyNotify] = propertynotify,
++ [ResizeRequest] = resizerequest,
+ [UnmapNotify] = unmapnotify
+ };
+-static Atom wmatom[WMLast], netatom[NetLast];
++static Atom wmatom[WMLast], netatom[NetLast], xatom[XLast];
+ static int running = 1;
+ static Cur *cursor[CurLast];
+ static Clr **scheme;
+@@ -440,7 +472,7 @@ buttonpress(XEvent *e)
+ arg.ui = 1 << i;
+ } else if (ev->x < x + blw)
+ click = ClkLtSymbol;
+- else if (ev->x > selmon->ww - (int)TEXTW(stext))
++ else if (ev->x > selmon->ww - (int)TEXTW(stext) - getsystraywidth())
+ click = ClkStatusText;
+ else
+ click = ClkWinTitle;
+@@ -483,7 +515,14 @@ cleanup(void)
+ XUngrabKey(dpy, AnyKey, AnyModifier, root);
+ while (mons)
+ cleanupmon(mons);
+- for (i = 0; i < CurLast; i++)
++
++ if (showsystray) {
++ XUnmapWindow(dpy, systray->win);
++ XDestroyWindow(dpy, systray->win);
++ free(systray);
++ }
++
++ for (i = 0; i < CurLast; i++)
+ drw_cur_free(drw, cursor[i]);
+ for (i = 0; i < LENGTH(colors); i++)
+ free(scheme[i]);
+@@ -513,9 +552,58 @@ cleanupmon(Monitor *mon)
+ void
+ clientmessage(XEvent *e)
+ {
++ XWindowAttributes wa;
++ XSetWindowAttributes swa;
+ XClientMessageEvent *cme = &e->xclient;
+ Client *c = wintoclient(cme->window);
+
++ if (showsystray && cme->window == systray->win && cme->message_type == netatom[NetSystemTrayOP]) {
++ /* add systray icons */
++ if (cme->data.l[1] == SYSTEM_TRAY_REQUEST_DOCK) {
++ if (!(c = (Client *)calloc(1, sizeof(Client))))
++ die("fatal: could not malloc() %u bytes\n", sizeof(Client));
++ if (!(c->win = cme->data.l[2])) {
++ free(c);
++ return;
++ }
++ c->mon = selmon;
++ c->next = systray->icons;
++ systray->icons = c;
++ if (!XGetWindowAttributes(dpy, c->win, &wa)) {
++ /* use sane defaults */
++ wa.width = bh;
++ wa.height = bh;
++ wa.border_width = 0;
++ }
++ c->x = c->oldx = c->y = c->oldy = 0;
++ c->w = c->oldw = wa.width;
++ c->h = c->oldh = wa.height;
++ c->oldbw = wa.border_width;
++ c->bw = 0;
++ c->isfloating = True;
++ /* reuse tags field as mapped status */
++ c->tags = 1;
++ updatesizehints(c);
++ updatesystrayicongeom(c, wa.width, wa.height);
++ XAddToSaveSet(dpy, c->win);
++ XSelectInput(dpy, c->win, StructureNotifyMask | PropertyChangeMask | ResizeRedirectMask);
++ XReparentWindow(dpy, c->win, systray->win, 0, 0);
++ /* use parents background color */
++ swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
++ XChangeWindowAttributes(dpy, c->win, CWBackPixel, &swa);
++ sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_EMBEDDED_NOTIFY, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
++ /* FIXME not sure if I have to send these events, too */
++ sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_FOCUS_IN, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
++ sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_WINDOW_ACTIVATE, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
++ sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_MODALITY_ON, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
++ XSync(dpy, False);
++ resizebarwin(selmon);
++ updatesystray();
++ setclientstate(c, NormalState);
++ }
++ return;
++ }
++
+ if (!c)
+ return;
+ if (cme->message_type == netatom[NetWMState]) {
+@@ -568,7 +656,7 @@ 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);
+@@ -653,6 +741,11 @@ destroynotify(XEvent *e)
+
+ if ((c = wintoclient(ev->window)))
+ unmanage(c, 1);
++ else if ((c = wintosystrayicon(ev->window))) {
++ removesystrayicon(c);
++ resizebarwin(selmon);
++ updatesystray();
++ }
+ }
+
+ void
+@@ -696,7 +789,7 @@ dirtomon(int dir)
+ void
+ drawbar(Monitor *m)
+ {
+- int x, w, tw = 0;
++ int x, w, tw = 0, stw = 0;
+ int boxs = drw->fonts->h / 9;
+ int boxw = drw->fonts->h / 6 + 2;
+ unsigned int i, occ = 0, urg = 0;
+@@ -705,13 +798,17 @@ drawbar(Monitor *m)
+ if (!m->showbar)
+ return;
+
++ if(showsystray && m == systraytomon(m) && !systrayonleft)
++ stw = getsystraywidth();
++
+ /* draw status first so it can be overdrawn by tags later */
+ if (m == selmon) { /* status is only drawn on selected monitor */
+ drw_setscheme(drw, scheme[SchemeNorm]);
+- tw = TEXTW(stext) - lrpad + 2; /* 2px right padding */
+- drw_text(drw, m->ww - tw, 0, tw, bh, 0, stext, 0);
++ tw = TEXTW(stext) - lrpad / 2 + 2; /* 2px extra right padding */
++ drw_text(drw, m->ww - tw - stw, 0, tw, bh, lrpad / 2 - 2, stext, 0);
+ }
+
++ resizebarwin(m);
+ for (c = m->clients; c; c = c->next) {
+ occ |= c->tags;
+ if (c->isurgent)
+@@ -732,7 +829,7 @@ drawbar(Monitor *m)
+ drw_setscheme(drw, scheme[SchemeNorm]);
+ x = drw_text(drw, x, 0, w, bh, lrpad / 2, m->ltsymbol, 0);
+
+- if ((w = m->ww - tw - x) > bh) {
++ if ((w = m->ww - tw - stw - x) > bh) {
+ if (m->sel) {
+ drw_setscheme(drw, scheme[m == selmon ? SchemeSel : SchemeNorm]);
+ drw_text(drw, x, 0, w, bh, lrpad / 2, m->sel->name, 0);
+@@ -743,7 +840,7 @@ drawbar(Monitor *m)
+ drw_rect(drw, x, 0, w, bh, 1, 1);
+ }
+ }
+- drw_map(drw, m->barwin, 0, 0, m->ww, bh);
++ drw_map(drw, m->barwin, 0, 0, m->ww - stw, bh);
+ }
+
+ void
+@@ -780,8 +877,11 @@ expose(XEvent *e)
+ Monitor *m;
+ XExposeEvent *ev = &e->xexpose;
+
+- if (ev->count == 0 && (m = wintomon(ev->window)))
+- drawbar(m);
++ if (ev->count == 0 && (m = wintomon(ev->window))) {
++ drawbar(m);
++ if (m == selmon)
++ updatesystray();
++ }
+ }
+
+ void
+@@ -867,9 +967,17 @@ getatomprop(Client *c, Atom prop)
+ unsigned char *p = NULL;
+ Atom da, atom = None;
+
+- if (XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, XA_ATOM,
++ /* FIXME getatomprop should return the number of items and a pointer to
++ * the stored data instead of this workaround */
++ Atom req = XA_ATOM;
++ if (prop == xatom[XembedInfo])
++ req = xatom[XembedInfo];
++
++ if (XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, req,
+ &da, &di, &dl, &dl, &p) == Success && p) {
+ atom = *(Atom *)p;
++ if (da == xatom[XembedInfo] && dl == 2)
++ atom = ((Atom *)p)[1];
+ XFree(p);
+ }
+ return atom;
+@@ -903,6 +1011,16 @@ 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)
+ {
+@@ -1007,7 +1125,8 @@ killclient(const Arg *arg)
+ {
+ if (!selmon->sel)
+ return;
+- if (!sendevent(selmon->sel, wmatom[WMDelete])) {
++
++ if (!sendevent(selmon->sel->win, wmatom[WMDelete], NoEventMask, wmatom[WMDelete], CurrentTime, 0 , 0, 0)) {
+ XGrabServer(dpy);
+ XSetErrorHandler(xerrordummy);
+ XSetCloseDownMode(dpy, DestroyAll);
+@@ -1096,6 +1215,13 @@ maprequest(XEvent *e)
+ static XWindowAttributes wa;
+ XMapRequestEvent *ev = &e->xmaprequest;
+
++ Client *i;
++ if ((i = wintosystrayicon(ev->window))) {
++ sendevent(i->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_WINDOW_ACTIVATE, 0, systray->win, XEMBED_EMBEDDED_VERSION);
++ resizebarwin(selmon);
++ updatesystray();
++ }
++
+ if (!XGetWindowAttributes(dpy, ev->window, &wa))
+ return;
+ if (wa.override_redirect)
+@@ -1219,7 +1345,18 @@ propertynotify(XEvent *e)
+ Window trans;
+ XPropertyEvent *ev = &e->xproperty;
+
+- if ((ev->window == root) && (ev->atom == XA_WM_NAME))
++ 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)
+ return; /* ignore */
+@@ -1269,6 +1406,19 @@ recttomon(int x, int y, int w, int h)
+ return r;
+ }
+
++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)
+ {
+@@ -1276,6 +1426,14 @@ resize(Client *c, int x, int y, int w, int h, int interact)
+ resizeclient(c, x, y, w, h);
+ }
+
++void
++resizebarwin(Monitor *m) {
++ unsigned int w = m->ww;
++ if (showsystray && m == systraytomon(m) && !systrayonleft)
++ w -= getsystraywidth();
++ XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, w, bh);
++}
++
+ void
+ resizeclient(Client *c, int x, int y, int w, int h)
+ {
+@@ -1348,6 +1506,19 @@ 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)
+ {
+@@ -1437,26 +1608,37 @@ setclientstate(Client *c, long state)
+ }
+
+ int
+-sendevent(Client *c, Atom proto)
++sendevent(Window w, Atom proto, int mask, long d0, long d1, long d2, long d3, long d4)
+ {
+ int n;
+- Atom *protocols;
++ Atom *protocols, mt;
+ int exists = 0;
+ XEvent ev;
+
+- if (XGetWMProtocols(dpy, c->win, &protocols, &n)) {
+- while (!exists && n--)
+- exists = protocols[n] == proto;
+- XFree(protocols);
++ if (proto == wmatom[WMTakeFocus] || proto == wmatom[WMDelete]) {
++ mt = wmatom[WMProtocols];
++ if (XGetWMProtocols(dpy, w, &protocols, &n)) {
++ while (!exists && n--)
++ exists = protocols[n] == proto;
++ XFree(protocols);
++ }
+ }
++ else {
++ exists = True;
++ mt = proto;
++ }
++
+ if (exists) {
+ ev.type = ClientMessage;
+- ev.xclient.window = c->win;
+- ev.xclient.message_type = wmatom[WMProtocols];
++ ev.xclient.window = w;
++ ev.xclient.message_type = mt;
+ ev.xclient.format = 32;
+- ev.xclient.data.l[0] = proto;
+- ev.xclient.data.l[1] = CurrentTime;
+- XSendEvent(dpy, c->win, False, NoEventMask, &ev);
++ ev.xclient.data.l[0] = d0;
++ ev.xclient.data.l[1] = d1;
++ ev.xclient.data.l[2] = d2;
++ ev.xclient.data.l[3] = d3;
++ ev.xclient.data.l[4] = d4;
++ XSendEvent(dpy, w, False, mask, &ev);
+ }
+ return exists;
+ }
+@@ -1470,7 +1652,7 @@ 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
+@@ -1558,15 +1740,22 @@ setup(void)
+ wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False);
+ wmatom[WMTakeFocus] = XInternAtom(dpy, "WM_TAKE_FOCUS", False);
+ netatom[NetActiveWindow] = XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False);
+- netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
+- netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
++ netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
++ netatom[NetSystemTray] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_S0", False);
++ netatom[NetSystemTrayOP] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_OPCODE", False);
++ netatom[NetSystemTrayOrientation] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION", False);
++ netatom[NetSystemTrayOrientationHorz] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION_HORZ", False);
++ netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
+ netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False);
+ netatom[NetWMCheck] = XInternAtom(dpy, "_NET_SUPPORTING_WM_CHECK", False);
+ 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);
+- /* init cursors */
++ 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);
+ cursor[CurMove] = drw_cur_create(drw, XC_fleur);
+@@ -1574,6 +1763,8 @@ setup(void)
+ scheme = ecalloc(LENGTH(colors), sizeof(Clr *));
+ for (i = 0; i < LENGTH(colors); i++)
+ scheme[i] = drw_scm_create(drw, colors[i], 3);
++ /* init system tray */
++ updatesystray();
+ /* init bars */
+ updatebars();
+ updatestatus();
+@@ -1707,7 +1898,18 @@ 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);
+ }
+
+@@ -1802,11 +2004,18 @@ unmapnotify(XEvent *e)
+ else
+ unmanage(c, 0);
+ }
++ else if ((c = wintosystrayicon(ev->window))) {
++ /* KLUDGE! sometimes icons occasionally unmap their windows, but do
++ * _not_ destroy them. We map those windows back */
++ XMapRaised(dpy, c->win);
++ updatesystray();
++ }
+ }
+
+ void
+ updatebars(void)
+ {
++ unsigned int w;
+ Monitor *m;
+ XSetWindowAttributes wa = {
+ .override_redirect = True,
+@@ -1817,10 +2026,15 @@ updatebars(void)
+ for (m = mons; m; m = m->next) {
+ if (m->barwin)
+ continue;
+- m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen),
++ w = m->ww;
++ if (showsystray && m == systraytomon(m))
++ w -= getsystraywidth();
++ m->barwin = XCreateWindow(dpy, root, m->wx, m->by, w, bh, 0, DefaultDepth(dpy, screen),
+ CopyFromParent, DefaultVisual(dpy, screen),
+ CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
+ XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor);
++ if (showsystray && m == systraytomon(m))
++ XMapRaised(dpy, systray->win);
+ XMapRaised(dpy, m->barwin);
+ XSetClassHint(dpy, m->barwin, &ch);
+ }
+@@ -1996,6 +2210,125 @@ updatestatus(void)
+ if (!gettextprop(root, XA_WM_NAME, stext, sizeof(stext)))
+ strcpy(stext, "dwm-"VERSION);
+ drawbar(selmon);
++ updatesystray();
++}
++
++
++void
++updatesystrayicongeom(Client *i, int w, int h)
++{
++ if (i) {
++ i->h = bh;
++ if (w == h)
++ i->w = bh;
++ else if (h == bh)
++ i->w = w;
++ else
++ i->w = (int) ((float)bh * ((float)w / (float)h));
++ applysizehints(i, &(i->x), &(i->y), &(i->w), &(i->h), False);
++ /* force icons into the systray dimensions if they don't want to */
++ if (i->h > bh) {
++ if (i->w == i->h)
++ i->w = bh;
++ else
++ i->w = (int) ((float)bh * ((float)i->w / (float)i->h));
++ i->h = bh;
++ }
++ }
++}
++
++void
++updatesystrayiconstate(Client *i, XPropertyEvent *ev)
++{
++ long flags;
++ int code = 0;
++
++ if (!showsystray || !i || ev->atom != xatom[XembedInfo] ||
++ !(flags = getatomprop(i, xatom[XembedInfo])))
++ return;
++
++ if (flags & XEMBED_MAPPED && !i->tags) {
++ i->tags = 1;
++ code = XEMBED_WINDOW_ACTIVATE;
++ XMapRaised(dpy, i->win);
++ setclientstate(i, NormalState);
++ }
++ else if (!(flags & XEMBED_MAPPED) && i->tags) {
++ i->tags = 0;
++ code = XEMBED_WINDOW_DEACTIVATE;
++ XUnmapWindow(dpy, i->win);
++ setclientstate(i, WithdrawnState);
++ }
++ else
++ return;
++ sendevent(i->win, xatom[Xembed], StructureNotifyMask, CurrentTime, code, 0,
++ systray->win, XEMBED_EMBEDDED_VERSION);
++}
++
++void
++updatesystray(void)
++{
++ XSetWindowAttributes wa;
++ XWindowChanges wc;
++ Client *i;
++ Monitor *m = systraytomon(NULL);
++ unsigned int x = m->mx + m->mw;
++ unsigned int sw = TEXTW(stext) - lrpad + systrayspacing;
++ unsigned int w = 1;
++
++ if (!showsystray)
++ return;
++ if (systrayonleft)
++ x -= sw + lrpad / 2;
++ if (!systray) {
++ /* init systray */
++ if (!(systray = (Systray *)calloc(1, sizeof(Systray))))
++ die("fatal: could not malloc() %u bytes\n", sizeof(Systray));
++ systray->win = XCreateSimpleWindow(dpy, root, x, m->by, w, bh, 0, 0, scheme[SchemeSel][ColBg].pixel);
++ wa.event_mask = ButtonPressMask | ExposureMask;
++ wa.override_redirect = True;
++ wa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
++ XSelectInput(dpy, systray->win, SubstructureNotifyMask);
++ XChangeProperty(dpy, systray->win, netatom[NetSystemTrayOrientation], XA_CARDINAL, 32,
++ PropModeReplace, (unsigned char *)&netatom[NetSystemTrayOrientationHorz], 1);
++ XChangeWindowAttributes(dpy, systray->win, CWEventMask|CWOverrideRedirect|CWBackPixel, &wa);
++ XMapRaised(dpy, systray->win);
++ XSetSelectionOwner(dpy, netatom[NetSystemTray], systray->win, CurrentTime);
++ if (XGetSelectionOwner(dpy, netatom[NetSystemTray]) == systray->win) {
++ sendevent(root, xatom[Manager], StructureNotifyMask, CurrentTime, netatom[NetSystemTray], systray->win, 0, 0);
++ XSync(dpy, False);
++ }
++ else {
++ fprintf(stderr, "dwm: unable to obtain system tray.\n");
++ free(systray);
++ systray = NULL;
++ return;
++ }
++ }
++ for (w = 0, i = systray->icons; i; i = i->next) {
++ /* make sure the background color stays the same */
++ wa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
++ XChangeWindowAttributes(dpy, i->win, CWBackPixel, &wa);
++ XMapRaised(dpy, i->win);
++ w += systrayspacing;
++ i->x = w;
++ XMoveResizeWindow(dpy, i->win, i->x, 0, i->w, i->h);
++ w += i->w;
++ if (i->mon != m)
++ i->mon = m;
++ }
++ w = w ? w + systrayspacing : 1;
++ x -= w;
++ XMoveResizeWindow(dpy, systray->win, x, m->by, w, bh);
++ wc.x = x; wc.y = m->by; wc.width = w; wc.height = bh;
++ wc.stack_mode = Above; wc.sibling = m->barwin;
++ XConfigureWindow(dpy, systray->win, CWX|CWY|CWWidth|CWHeight|CWSibling|CWStackMode, &wc);
++ XMapWindow(dpy, systray->win);
++ XMapSubwindows(dpy, systray->win);
++ /* redraw background */
++ XSetForeground(dpy, drw->gc, scheme[SchemeNorm][ColBg].pixel);
++ XFillRectangle(dpy, systray->win, drw->gc, 0, 0, w, bh);
++ XSync(dpy, False);
+ }
+
+ void
+@@ -2063,6 +2396,16 @@ wintoclient(Window w)
+ return NULL;
+ }
+
++Client *
++wintosystrayicon(Window w) {
++ Client *i = NULL;
++
++ if (!showsystray || !w)
++ return i;
++ for (i = systray->icons; i && i->win != w; i = i->next) ;
++ return i;
++}
++
+ Monitor *
+ wintomon(Window w)
+ {
+@@ -2116,6 +2459,22 @@ xerrorstart(Display *dpy, XErrorEvent *ee)
+ return -1;
+ }
+
++Monitor *
++systraytomon(Monitor *m) {
++ Monitor *t;
++ int i, n;
++ if(!systraypinning) {
++ if(!m)
++ return selmon;
++ return m == selmon ? m : NULL;
++ }
++ for(n = 1, t = mons; t && t->next; n++, t = t->next) ;
++ for(i = 1, t = mons; t && t->next && i < systraypinning; i++, t = t->next) ;
++ if(systraypinningfailfirst && n < systraypinning)
++ return mons;
++ return t;
++}
++
+ void
+ zoom(const Arg *arg)
+ {
