From 28c51a1abe36b8c947eb821f5c921e5a09ce4557 Mon Sep 17 00:00:00 2001 From: _N0x Date: Thu, 8 Apr 2021 22:30:10 +0200 Subject: [PATCH] Added systray support to dwm --- dwm-6.2/dwm.c | 403 +++++++++- .../patches/dwm-systray-20200914-61bb8b2.diff | 727 ++++++++++++++++++ 2 files changed, 1104 insertions(+), 26 deletions(-) create mode 100644 dwm-6.2/patches/dwm-systray-20200914-61bb8b2.diff diff --git a/dwm-6.2/dwm.c b/dwm-6.2/dwm.c index d80d2b5..b9dbbb3 100644 --- a/dwm-6.2/dwm.c +++ b/dwm-6.2/dwm.c @@ -58,12 +58,30 @@ #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 */ @@ -143,6 +161,12 @@ 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); @@ -173,6 +197,7 @@ static void focusmon(const Arg *arg); static void focusstack(const Arg *arg); 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); @@ -190,14 +215,17 @@ 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 runautostart(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); @@ -210,6 +238,7 @@ 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 *); @@ -227,18 +256,23 @@ 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 autostartblocksh[] = "autostart_blocking.sh"; static const char autostartsh[] = "autostart.sh"; static const char broken[] = "broken"; @@ -265,9 +299,10 @@ 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; @@ -447,7 +482,7 @@ buttonpress(XEvent *e) arg.ui = 1 << i; } else if (ev->x < x + blw) click = ClkLtSymbol; - else if (ev->x > selmon->ww - TEXTW(stext)) + else if (ev->x > selmon->ww - (int)TEXTW(stext) - getsystraywidth()) click = ClkStatusText; else click = ClkWinTitle; @@ -490,6 +525,11 @@ 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 < LENGTH(colors); i++) @@ -520,9 +560,57 @@ 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]) { @@ -575,7 +663,7 @@ 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); @@ -661,6 +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 @@ -704,19 +797,23 @@ dirtomon(int dir) void drawbar(Monitor *m) { - int x, w, sw = 0; + int x, w, sw = 0, stw = 0; int boxs = drw->fonts->h / 9; int boxw = drw->fonts->h / 6 + 2; unsigned int i, occ = 0, urg = 0; Client *c; + if(showsystray && m == systraytomon(m)) + 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]); - sw = TEXTW(stext) - lrpad + 2; /* 2px right padding */ - drw_text(drw, m->ww - sw, 0, sw, bh, 0, stext, 0); + sw = TEXTW(stext) - lrpad / 2 + 2; /* 2px right padding */ + drw_text(drw, m->ww - sw - stw, 0, sw, bh, lrpad / 2 - 2, stext, 0); } + resizebarwin(m); for (c = m->clients; c; c = c->next) { occ |= c->tags; if (c->isurgent) @@ -737,7 +834,7 @@ 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 - sw - x) > bh) { + if ((w = m->ww - sw - 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); @@ -748,7 +845,7 @@ 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 @@ -785,8 +882,11 @@ 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 @@ -871,10 +971,17 @@ 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; @@ -908,6 +1015,16 @@ 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) { @@ -1012,7 +1129,7 @@ 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); @@ -1100,6 +1217,12 @@ 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; @@ -1224,6 +1347,16 @@ 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) @@ -1274,6 +1407,20 @@ 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) { @@ -1281,6 +1428,14 @@ 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)) + w -= getsystraywidth(); + XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, w, bh); +} + void resizeclient(Client *c, int x, int y, int w, int h) { @@ -1353,6 +1508,19 @@ 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) { @@ -1519,26 +1687,36 @@ 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; } @@ -1552,7 +1730,7 @@ 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 @@ -1651,6 +1829,10 @@ setup(void) wmatom[WMTakeFocus] = XInternAtom(dpy, "WM_TAKE_FOCUS", False); netatom[NetActiveWindow] = XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False); netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False); + netatom[NetSystemTray] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_S0", False); + netatom[NetSystemTrayOP] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_OPCODE", False); + netatom[NetSystemTrayOrientation] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION", False); + netatom[NetSystemTrayOrientationHorz] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION_HORZ", False); netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False); netatom[NetWMCheck] = XInternAtom(dpy, "_NET_SUPPORTING_WM_CHECK", False); @@ -1658,6 +1840,9 @@ setup(void) netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False); netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False); netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False); + xatom[Manager] = XInternAtom(dpy, "MANAGER", False); + xatom[Xembed] = XInternAtom(dpy, "_XEMBED", False); + xatom[XembedInfo] = XInternAtom(dpy, "_XEMBED_INFO", False); /* init cursors */ cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr); cursor[CurResize] = drw_cur_create(drw, XC_sizing); @@ -1666,6 +1851,8 @@ 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(); @@ -1797,7 +1984,18 @@ 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); } @@ -1892,11 +2090,18 @@ 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, @@ -1907,10 +2112,15 @@ 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); } @@ -2086,6 +2296,121 @@ 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 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][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 @@ -2153,6 +2478,16 @@ 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) { @@ -2206,6 +2541,22 @@ 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) { diff --git a/dwm-6.2/patches/dwm-systray-20200914-61bb8b2.diff b/dwm-6.2/patches/dwm-systray-20200914-61bb8b2.diff new file mode 100644 index 0000000..b2a4d57 --- /dev/null +++ b/dwm-6.2/patches/dwm-systray-20200914-61bb8b2.diff @@ -0,0 +1,727 @@ +diff --git a/config.def.h b/config.def.h +index 1c0b587..2d824d1 100644 +--- a/config.def.h ++++ b/config.def.h +@@ -3,6 +3,10 @@ + /* appearance */ + 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, 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" }; +diff --git a/dwm.c b/dwm.c +index 664c527..abce13d 100644 +--- a/dwm.c ++++ b/dwm.c +@@ -57,12 +57,30 @@ + #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 +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); +@@ -172,6 +196,7 @@ 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 +214,16 @@ 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 +235,7 @@ 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 +253,23 @@ 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 +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 Clr **scheme; +@@ -440,7 +475,7 @@ 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; +@@ -483,6 +518,11 @@ 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 < LENGTH(colors); i++) +@@ -513,9 +553,57 @@ 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 +@@ -696,19 +789,23 @@ 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; + Client *c; + ++ if(showsystray && m == systraytomon(m)) ++ 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 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) +@@ -729,7 +826,7 @@ 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); +@@ -740,7 +837,7 @@ 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 +@@ -777,8 +874,11 @@ 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 +@@ -863,10 +963,17 @@ 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; +@@ -900,6 +1007,16 @@ 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) + { +@@ -1004,7 +1121,7 @@ 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); +@@ -1092,6 +1209,12 @@ 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; +@@ -1216,6 +1339,16 @@ 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) +@@ -1266,6 +1399,20 @@ 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) + { +@@ -1273,6 +1420,14 @@ 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)) ++ w -= getsystraywidth(); ++ XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, w, bh); ++} ++ + void + resizeclient(Client *c, int x, int y, int w, int h) + { +@@ -1345,6 +1500,19 @@ 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) + { +@@ -1434,26 +1602,36 @@ 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; + } +@@ -1467,7 +1645,7 @@ 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 +@@ -1556,6 +1734,10 @@ setup(void) + wmatom[WMTakeFocus] = XInternAtom(dpy, "WM_TAKE_FOCUS", False); + netatom[NetActiveWindow] = XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False); + netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False); ++ netatom[NetSystemTray] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_S0", False); ++ netatom[NetSystemTrayOP] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_OPCODE", False); ++ netatom[NetSystemTrayOrientation] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION", False); ++ netatom[NetSystemTrayOrientationHorz] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION_HORZ", False); + netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); + netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False); + netatom[NetWMCheck] = XInternAtom(dpy, "_NET_SUPPORTING_WM_CHECK", False); +@@ -1563,6 +1745,9 @@ setup(void) + netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False); + netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False); + netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False); ++ xatom[Manager] = XInternAtom(dpy, "MANAGER", False); ++ xatom[Xembed] = XInternAtom(dpy, "_XEMBED", False); ++ xatom[XembedInfo] = XInternAtom(dpy, "_XEMBED_INFO", False); + /* init cursors */ + cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr); + cursor[CurResize] = drw_cur_create(drw, XC_sizing); +@@ -1571,6 +1756,8 @@ 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(); +@@ -1704,7 +1891,18 @@ 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); + } + +@@ -1799,11 +1997,18 @@ 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, +@@ -1814,10 +2019,15 @@ 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); + } +@@ -1993,6 +2203,121 @@ 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 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][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 +@@ -2060,6 +2385,16 @@ 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) + { +@@ -2113,6 +2448,22 @@ 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) + {