dwm-git-20130119-systray.diff (20248B)
1 Author: Jan Christoph Ebersbach <jceb@e-jc.de>, inspired by http://code.google.com/p/dwm-plus 2 URL: http://dwm.suckless.org/patches/systray 3 Implements a system tray for dwm. 4 5 diff -r c794a9f5ae5e config.def.h 6 --- a/config.def.h Sun Jul 08 09:45:53 2012 +0200 7 +++ b/config.def.h Sat Aug 18 13:28:31 2012 +0200 8 @@ -10,6 +10,8 @@ 9 static const char selfgcolor[] = "#eeeeee"; 10 static const unsigned int borderpx = 1; /* border pixel of windows */ 11 static const unsigned int snap = 32; /* snap pixel */ 12 +static const unsigned int systrayspacing = 2; /* systray spacing */ 13 +static const Bool showsystray = True; /* False means no systray */ 14 static const Bool showbar = True; /* False means no bar */ 15 static const Bool topbar = True; /* False means bottom bar */ 16 17 diff -r c794a9f5ae5e dwm.c 18 --- a/dwm.c Sun Jul 08 09:45:53 2012 +0200 19 +++ b/dwm.c Sat Aug 18 13:28:31 2012 +0200 20 @@ -56,12 +56,30 @@ 21 #define TAGMASK ((1 << LENGTH(tags)) - 1) 22 #define TEXTW(X) (textnw(X, strlen(X)) + dc.font.height) 23 24 +#define SYSTEM_TRAY_REQUEST_DOCK 0 25 +#define _NET_SYSTEM_TRAY_ORIENTATION_HORZ 0 26 + 27 +/* XEMBED messages */ 28 +#define XEMBED_EMBEDDED_NOTIFY 0 29 +#define XEMBED_WINDOW_ACTIVATE 1 30 +#define XEMBED_FOCUS_IN 4 31 +#define XEMBED_MODALITY_ON 10 32 + 33 +#define XEMBED_MAPPED (1 << 0) 34 +#define XEMBED_WINDOW_ACTIVATE 1 35 +#define XEMBED_WINDOW_DEACTIVATE 2 36 + 37 +#define VERSION_MAJOR 0 38 +#define VERSION_MINOR 0 39 +#define XEMBED_EMBEDDED_VERSION (VERSION_MAJOR << 16) | VERSION_MINOR 40 + 41 /* enums */ 42 enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */ 43 enum { ColBorder, ColFG, ColBG, ColLast }; /* color */ 44 -enum { NetSupported, NetWMName, NetWMState, 45 - NetWMFullscreen, NetActiveWindow, NetWMWindowType, 46 - NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */ 47 +enum { NetSupported, NetSystemTray, NetSystemTrayOP, NetSystemTrayOrientation, 48 + NetWMName, NetWMState, NetWMFullscreen, NetActiveWindow, NetWMWindowType, 49 + NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */ 50 +enum { Manager, Xembed, XembedInfo, XLast }; /* Xembed atoms */ 51 enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */ 52 enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle, 53 ClkClientWin, ClkRootWin, ClkLast }; /* clicks */ 54 @@ -155,6 +173,12 @@ 55 int monitor; 56 } Rule; 57 58 +typedef struct Systray Systray; 59 +struct Systray { 60 + Window win; 61 + Client *icons; 62 +}; 63 + 64 /* function declarations */ 65 static void applyrules(Client *c); 66 static Bool applysizehints(Client *c, int *x, int *y, int *w, int *h, Bool interact); 67 @@ -187,9 +211,11 @@ 68 static void focusin(XEvent *e); 69 static void focusmon(const Arg *arg); 70 static void focusstack(const Arg *arg); 71 +static Atom getatomprop(Client *c, Atom prop); 72 static unsigned long getcolor(const char *colstr); 73 static Bool getrootptr(int *x, int *y); 74 static long getstate(Window w); 75 +static unsigned int getsystraywidth(); 76 static Bool gettextprop(Window w, Atom atom, char *text, unsigned int size); 77 static void grabbuttons(Client *c, Bool focused); 78 static void grabkeys(void); 79 @@ -208,13 +234,16 @@ 80 static void propertynotify(XEvent *e); 81 static void quit(const Arg *arg); 82 static Monitor *recttomon(int x, int y, int w, int h); 83 +static void removesystrayicon(Client *i); 84 static void resize(Client *c, int x, int y, int w, int h, Bool interact); 85 +static void resizebarwin(Monitor *m); 86 static void resizeclient(Client *c, int x, int y, int w, int h); 87 static void resizemouse(const Arg *arg); 88 +static void resizerequest(XEvent *e); 89 static void restack(Monitor *m); 90 static void run(void); 91 static void scan(void); 92 -static Bool sendevent(Client *c, Atom proto); 93 +static Bool sendevent(Window w, Atom proto, int m, long d0, long d1, long d2, long d3, long d4); 94 static void sendmon(Client *c, Monitor *m); 95 static void setclientstate(Client *c, long state); 96 static void setfocus(Client *c); 97 @@ -243,18 +272,24 @@ 98 static void updatenumlockmask(void); 99 static void updatesizehints(Client *c); 100 static void updatestatus(void); 101 +static void updatesystray(void); 102 +static void updatesystrayicongeom(Client *i, int w, int h); 103 +static void updatesystrayiconstate(Client *i, XPropertyEvent *ev); 104 static void updatewindowtype(Client *c); 105 static void updatetitle(Client *c); 106 static void updatewmhints(Client *c); 107 static void view(const Arg *arg); 108 static Client *wintoclient(Window w); 109 static Monitor *wintomon(Window w); 110 +static Client *wintosystrayicon(Window w); 111 static int xerror(Display *dpy, XErrorEvent *ee); 112 static int xerrordummy(Display *dpy, XErrorEvent *ee); 113 static int xerrorstart(Display *dpy, XErrorEvent *ee); 114 static void zoom(const Arg *arg); 115 116 /* variables */ 117 +static Systray *systray = NULL; 118 +static unsigned long systrayorientation = _NET_SYSTEM_TRAY_ORIENTATION_HORZ; 119 static const char broken[] = "broken"; 120 static char stext[256]; 121 static int screen; 122 @@ -276,9 +311,10 @@ 123 [MapRequest] = maprequest, 124 [MotionNotify] = motionnotify, 125 [PropertyNotify] = propertynotify, 126 + [ResizeRequest] = resizerequest, 127 [UnmapNotify] = unmapnotify 128 }; 129 -static Atom wmatom[WMLast], netatom[NetLast]; 130 +static Atom wmatom[WMLast], netatom[NetLast], xatom[XLast]; 131 static Bool running = True; 132 static Cursor cursor[CurLast]; 133 static Display *dpy; 134 @@ -499,6 +535,11 @@ 135 XFreeCursor(dpy, cursor[CurMove]); 136 while(mons) 137 cleanupmon(mons); 138 + if(showsystray) { 139 + XUnmapWindow(dpy, systray->win); 140 + XDestroyWindow(dpy, systray->win); 141 + free(systray); 142 + } 143 XSync(dpy, False); 144 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime); 145 XDeleteProperty(dpy, root, netatom[NetActiveWindow]); 146 @@ -533,9 +575,49 @@ 147 148 void 149 clientmessage(XEvent *e) { 150 + XWindowAttributes wa; 151 + XSetWindowAttributes swa; 152 XClientMessageEvent *cme = &e->xclient; 153 Client *c = wintoclient(cme->window); 154 155 + if(showsystray && cme->window == systray->win && cme->message_type == netatom[NetSystemTrayOP]) { 156 + /* add systray icons */ 157 + if(cme->data.l[1] == SYSTEM_TRAY_REQUEST_DOCK) { 158 + if(!(c = (Client *)calloc(1, sizeof(Client)))) 159 + die("fatal: could not malloc() %u bytes\n", sizeof(Client)); 160 + c->win = cme->data.l[2]; 161 + c->mon = selmon; 162 + c->next = systray->icons; 163 + systray->icons = c; 164 + XGetWindowAttributes(dpy, c->win, &wa); 165 + c->x = c->oldx = c->y = c->oldy = 0; 166 + c->w = c->oldw = wa.width; 167 + c->h = c->oldh = wa.height; 168 + c->oldbw = wa.border_width; 169 + c->bw = 0; 170 + c->isfloating = True; 171 + /* reuse tags field as mapped status */ 172 + c->tags = 1; 173 + updatesizehints(c); 174 + updatesystrayicongeom(c, wa.width, wa.height); 175 + XAddToSaveSet(dpy, c->win); 176 + XSelectInput(dpy, c->win, StructureNotifyMask | PropertyChangeMask | ResizeRedirectMask); 177 + XReparentWindow(dpy, c->win, systray->win, 0, 0); 178 + /* use parents background pixmap */ 179 + swa.background_pixmap = ParentRelative; 180 + swa.background_pixel = dc.norm[ColBG]; 181 + XChangeWindowAttributes(dpy, c->win, CWBackPixmap|CWBackPixel, &swa); 182 + sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_EMBEDDED_NOTIFY, 0 , systray->win, XEMBED_EMBEDDED_VERSION); 183 + /* FIXME not sure if I have to send these events, too */ 184 + sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_FOCUS_IN, 0 , systray->win, XEMBED_EMBEDDED_VERSION); 185 + sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_WINDOW_ACTIVATE, 0 , systray->win, XEMBED_EMBEDDED_VERSION); 186 + sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_MODALITY_ON, 0 , systray->win, XEMBED_EMBEDDED_VERSION); 187 + resizebarwin(selmon); 188 + updatesystray(); 189 + setclientstate(c, NormalState); 190 + } 191 + return; 192 + } 193 if(!c) 194 return; 195 if(cme->message_type == netatom[NetWMState]) { 196 @@ -587,7 +667,7 @@ 197 dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen)); 198 updatebars(); 199 for(m = mons; m; m = m->next) 200 - XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh); 201 + resizebarwin(m); 202 focus(NULL); 203 arrange(NULL); 204 } 205 @@ -671,6 +751,11 @@ 206 207 if((c = wintoclient(ev->window))) 208 unmanage(c, True); 209 + else if((c = wintosystrayicon(ev->window))) { 210 + removesystrayicon(c); 211 + resizebarwin(selmon); 212 + updatesystray(); 213 + } 214 } 215 216 void 217 @@ -726,6 +811,7 @@ 218 unsigned long *col; 219 Client *c; 220 221 + resizebarwin(m); 222 for(c = m->clients; c; c = c->next) { 223 occ |= c->tags; 224 if(c->isurgent) 225 @@ -747,6 +833,9 @@ 226 if(m == selmon) { /* status is only drawn on selected monitor */ 227 dc.w = TEXTW(stext); 228 dc.x = m->ww - dc.w; 229 + if(showsystray && m == selmon) { 230 + dc.x -= getsystraywidth(); 231 + } 232 if(dc.x < x) { 233 dc.x = x; 234 dc.w = m->ww - x; 235 @@ -775,6 +864,7 @@ 236 237 for(m = mons; m; m = m->next) 238 drawbar(m); 239 + updatesystray(); 240 } 241 242 void 243 @@ -924,10 +1014,17 @@ 244 unsigned long dl; 245 unsigned char *p = NULL; 246 Atom da, atom = None; 247 + /* FIXME getatomprop should return the number of items and a pointer to 248 + * the stored data instead of this workaround */ 249 + Atom req = XA_ATOM; 250 + if(prop == xatom[XembedInfo]) 251 + req = xatom[XembedInfo]; 252 253 - if(XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, XA_ATOM, 254 + if(XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, req, 255 &da, &di, &dl, &dl, &p) == Success && p) { 256 atom = *(Atom *)p; 257 + if(da == xatom[XembedInfo] && dl == 2) 258 + atom = ((Atom *)p)[1]; 259 XFree(p); 260 } 261 return atom; 262 @@ -969,6 +1066,15 @@ 263 return result; 264 } 265 266 +unsigned int 267 +getsystraywidth() { 268 + unsigned int w = 0; 269 + Client *i; 270 + if(showsystray) 271 + for(i = systray->icons; i; w += i->w + systrayspacing, i = i->next) ; 272 + return w ? w + systrayspacing : 1; 273 +} 274 + 275 Bool 276 gettextprop(Window w, Atom atom, char *text, unsigned int size) { 277 char **list = NULL; 278 @@ -1103,7 +1209,7 @@ 279 killclient(const Arg *arg) { 280 if(!selmon->sel) 281 return; 282 - if(!sendevent(selmon->sel, wmatom[WMDelete])) { 283 + if(!sendevent(selmon->sel->win, wmatom[WMDelete], NoEventMask, wmatom[WMDelete], CurrentTime, 0 , 0, 0)) { 284 XGrabServer(dpy); 285 XSetErrorHandler(xerrordummy); 286 XSetCloseDownMode(dpy, DestroyAll); 287 @@ -1189,6 +1295,12 @@ 288 maprequest(XEvent *e) { 289 static XWindowAttributes wa; 290 XMapRequestEvent *ev = &e->xmaprequest; 291 + Client *i; 292 + if((i = wintosystrayicon(ev->window))) { 293 + sendevent(i->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_WINDOW_ACTIVATE, 0, systray->win, XEMBED_EMBEDDED_VERSION); 294 + resizebarwin(selmon); 295 + updatesystray(); 296 + } 297 298 if(!XGetWindowAttributes(dpy, ev->window, &wa)) 299 return; 300 @@ -1305,6 +1417,16 @@ 301 Window trans; 302 XPropertyEvent *ev = &e->xproperty; 303 304 + if((c = wintosystrayicon(ev->window))) { 305 + if(ev->atom == XA_WM_NORMAL_HINTS) { 306 + updatesizehints(c); 307 + updatesystrayicongeom(c, c->w, c->h); 308 + } 309 + else 310 + updatesystrayiconstate(c, ev); 311 + resizebarwin(selmon); 312 + updatesystray(); 313 + } 314 if((ev->window == root) && (ev->atom == XA_WM_NAME)) 315 updatestatus(); 316 else if(ev->state == PropertyDelete) 317 @@ -1354,12 +1476,33 @@ 318 } 319 320 void 321 +removesystrayicon(Client *i) { 322 + Client **ii; 323 + 324 + if(!showsystray || !i) 325 + return; 326 + for(ii = &systray->icons; *ii && *ii != i; ii = &(*ii)->next); 327 + if(ii) 328 + *ii = i->next; 329 + free(i); 330 +} 331 + 332 + 333 +void 334 resize(Client *c, int x, int y, int w, int h, Bool interact) { 335 if(applysizehints(c, &x, &y, &w, &h, interact)) 336 resizeclient(c, x, y, w, h); 337 } 338 339 void 340 +resizebarwin(Monitor *m) { 341 + unsigned int w = m->ww; 342 + if(showsystray && m == selmon) 343 + w -= getsystraywidth(); 344 + XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, w, bh); 345 +} 346 + 347 +void 348 resizeclient(Client *c, int x, int y, int w, int h) { 349 XWindowChanges wc; 350 351 @@ -1426,6 +1569,18 @@ 352 } 353 354 void 355 +resizerequest(XEvent *e) { 356 + XResizeRequestEvent *ev = &e->xresizerequest; 357 + Client *i; 358 + 359 + if((i = wintosystrayicon(ev->window))) { 360 + updatesystrayicongeom(i, ev->width, ev->height); 361 + resizebarwin(selmon); 362 + updatesystray(); 363 + } 364 +} 365 + 366 +void 367 restack(Monitor *m) { 368 Client *c; 369 XEvent ev; 370 @@ -1509,25 +1664,35 @@ 371 } 372 373 Bool 374 -sendevent(Client *c, Atom proto) { 375 +sendevent(Window w, Atom proto, int mask, long d0, long d1, long d2, long d3, long d4) { 376 int n; 377 - Atom *protocols; 378 + Atom *protocols, mt; 379 Bool exists = False; 380 XEvent ev; 381 382 - if(XGetWMProtocols(dpy, c->win, &protocols, &n)) { 383 - while(!exists && n--) 384 - exists = protocols[n] == proto; 385 - XFree(protocols); 386 + if(proto == wmatom[WMTakeFocus] || proto == wmatom[WMDelete]) { 387 + mt = wmatom[WMProtocols]; 388 + if(XGetWMProtocols(dpy, w, &protocols, &n)) { 389 + while(!exists && n--) 390 + exists = protocols[n] == proto; 391 + XFree(protocols); 392 + } 393 + } 394 + else { 395 + exists = True; 396 + mt = proto; 397 } 398 if(exists) { 399 ev.type = ClientMessage; 400 - ev.xclient.window = c->win; 401 - ev.xclient.message_type = wmatom[WMProtocols]; 402 + ev.xclient.window = w; 403 + ev.xclient.message_type = mt; 404 ev.xclient.format = 32; 405 - ev.xclient.data.l[0] = proto; 406 - ev.xclient.data.l[1] = CurrentTime; 407 - XSendEvent(dpy, c->win, False, NoEventMask, &ev); 408 + ev.xclient.data.l[0] = d0; 409 + ev.xclient.data.l[1] = d1; 410 + ev.xclient.data.l[2] = d2; 411 + ev.xclient.data.l[3] = d3; 412 + ev.xclient.data.l[4] = d4; 413 + XSendEvent(dpy, w, False, mask, &ev); 414 } 415 return exists; 416 } 417 @@ -1540,7 +1705,7 @@ 418 XA_WINDOW, 32, PropModeReplace, 419 (unsigned char *) &(c->win), 1); 420 } 421 - sendevent(c, wmatom[WMTakeFocus]); 422 + sendevent(c->win, wmatom[WMTakeFocus], NoEventMask, wmatom[WMTakeFocus], CurrentTime, 0, 0, 0); 423 } 424 425 void 426 @@ -1620,12 +1785,18 @@ 427 wmatom[WMTakeFocus] = XInternAtom(dpy, "WM_TAKE_FOCUS", False); 428 netatom[NetActiveWindow] = XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False); 429 netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False); 430 + netatom[NetSystemTray] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_S0", False); 431 + netatom[NetSystemTrayOP] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_OPCODE", False); 432 + netatom[NetSystemTrayOrientation] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION", False); 433 netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); 434 netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False); 435 netatom[NetWMFullscreen] = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False); 436 netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False); 437 netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False); 438 netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False); 439 + xatom[Manager] = XInternAtom(dpy, "MANAGER", False); 440 + xatom[Xembed] = XInternAtom(dpy, "_XEMBED", False); 441 + xatom[XembedInfo] = XInternAtom(dpy, "_XEMBED_INFO", False); 442 /* init cursors */ 443 cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr); 444 cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing); 445 @@ -1642,6 +1813,8 @@ 446 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter); 447 if(!dc.font.set) 448 XSetFont(dpy, dc.gc, dc.font.xfont->fid); 449 + /* init system tray */ 450 + updatesystray(); 451 /* init bars */ 452 updatebars(); 453 updatestatus(); 454 @@ -1751,7 +1924,18 @@ 455 togglebar(const Arg *arg) { 456 selmon->showbar = !selmon->showbar; 457 updatebarpos(selmon); 458 - XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh); 459 + resizebarwin(selmon); 460 + if(showsystray) { 461 + XWindowChanges wc; 462 + if(!selmon->showbar) 463 + wc.y = -bh; 464 + else if(selmon->showbar) { 465 + wc.y = 0; 466 + if(!selmon->topbar) 467 + wc.y = selmon->mh - bh; 468 + } 469 + XConfigureWindow(dpy, systray->win, CWY, &wc); 470 + } 471 arrange(selmon); 472 } 473 474 @@ -1841,11 +2025,18 @@ 475 else 476 unmanage(c, False); 477 } 478 + else if((c = wintosystrayicon(ev->window))) { 479 + removesystrayicon(c); 480 + resizebarwin(selmon); 481 + updatesystray(); 482 + } 483 } 484 485 void 486 updatebars(void) { 487 + unsigned int w; 488 Monitor *m; 489 + 490 XSetWindowAttributes wa = { 491 .override_redirect = True, 492 .background_pixmap = ParentRelative, 493 @@ -1854,10 +2045,15 @@ 494 for(m = mons; m; m = m->next) { 495 if (m->barwin) 496 continue; 497 - m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen), 498 + w = m->ww; 499 + if(showsystray && m == selmon) 500 + w -= getsystraywidth(); 501 + m->barwin = XCreateWindow(dpy, root, m->wx, m->by, w, bh, 0, DefaultDepth(dpy, screen), 502 CopyFromParent, DefaultVisual(dpy, screen), 503 CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa); 504 XDefineCursor(dpy, m->barwin, cursor[CurNormal]); 505 + if(showsystray && m == selmon) 506 + XMapRaised(dpy, systray->win); 507 XMapRaised(dpy, m->barwin); 508 } 509 } 510 @@ -2051,6 +2250,107 @@ 511 } 512 513 void 514 +updatesystrayicongeom(Client *i, int w, int h) { 515 + if(i) { 516 + i->h = bh; 517 + if(w == h) 518 + i->w = bh; 519 + else if(h == bh) 520 + i->w = w; 521 + else 522 + i->w = (int) ((float)bh * ((float)w / (float)h)); 523 + applysizehints(i, &(i->x), &(i->y), &(i->w), &(i->h), False); 524 + /* force icons into the systray dimenons if they don't want to */ 525 + if(i->h > bh) { 526 + if(i->w == i->h) 527 + i->w = bh; 528 + else 529 + i->w = (int) ((float)bh * ((float)i->w / (float)i->h)); 530 + i->h = bh; 531 + } 532 + } 533 +} 534 + 535 +void 536 +updatesystrayiconstate(Client *i, XPropertyEvent *ev) { 537 + long flags; 538 + int code = 0; 539 + 540 + if(!showsystray || !i || ev->atom != xatom[XembedInfo] || 541 + !(flags = getatomprop(i, xatom[XembedInfo]))) 542 + return; 543 + 544 + if(flags & XEMBED_MAPPED && !i->tags) { 545 + i->tags = 1; 546 + code = XEMBED_WINDOW_ACTIVATE; 547 + XMapRaised(dpy, i->win); 548 + setclientstate(i, NormalState); 549 + } 550 + else if(!(flags & XEMBED_MAPPED) && i->tags) { 551 + i->tags = 0; 552 + code = XEMBED_WINDOW_DEACTIVATE; 553 + XUnmapWindow(dpy, i->win); 554 + setclientstate(i, WithdrawnState); 555 + } 556 + else 557 + return; 558 + sendevent(i->win, xatom[Xembed], StructureNotifyMask, CurrentTime, code, 0, 559 + systray->win, XEMBED_EMBEDDED_VERSION); 560 +} 561 + 562 +void 563 +updatesystray(void) { 564 + XSetWindowAttributes wa; 565 + Client *i; 566 + unsigned int x = selmon->mx + selmon->mw; 567 + unsigned int w = 1; 568 + 569 + if(!showsystray) 570 + return; 571 + if(!systray) { 572 + /* init systray */ 573 + if(!(systray = (Systray *)calloc(1, sizeof(Systray)))) 574 + die("fatal: could not malloc() %u bytes\n", sizeof(Systray)); 575 + systray->win = XCreateSimpleWindow(dpy, root, x, selmon->by, w, bh, 0, 0, dc.sel[ColBG]); 576 + wa.event_mask = ButtonPressMask | ExposureMask; 577 + wa.override_redirect = True; 578 + wa.background_pixmap = ParentRelative; 579 + wa.background_pixel = dc.norm[ColBG]; 580 + XSelectInput(dpy, systray->win, SubstructureNotifyMask); 581 + XChangeProperty(dpy, systray->win, netatom[NetSystemTrayOrientation], XA_CARDINAL, 32, 582 + PropModeReplace, (unsigned char *)&systrayorientation, 1); 583 + XChangeWindowAttributes(dpy, systray->win, CWEventMask|CWOverrideRedirect|CWBackPixel|CWBackPixmap, &wa); 584 + XMapRaised(dpy, systray->win); 585 + XSetSelectionOwner(dpy, netatom[NetSystemTray], systray->win, CurrentTime); 586 + if(XGetSelectionOwner(dpy, netatom[NetSystemTray]) == systray->win) { 587 + sendevent(root, xatom[Manager], StructureNotifyMask, CurrentTime, netatom[NetSystemTray], systray->win, 0, 0); 588 + XSync(dpy, False); 589 + } 590 + else { 591 + fprintf(stderr, "dwm: unable to obtain system tray.\n"); 592 + free(systray); 593 + systray = NULL; 594 + return; 595 + } 596 + } 597 + for(w = 0, i = systray->icons; i; i = i->next) { 598 + XMapRaised(dpy, i->win); 599 + w += systrayspacing; 600 + XMoveResizeWindow(dpy, i->win, (i->x = w), 0, i->w, i->h); 601 + w += i->w; 602 + if(i->mon != selmon) 603 + i->mon = selmon; 604 + } 605 + w = w ? w + systrayspacing : 1; 606 + x -= w; 607 + XMoveResizeWindow(dpy, systray->win, x, selmon->by, w, bh); 608 + /* redraw background */ 609 + XSetForeground(dpy, dc.gc, dc.norm[ColBG]); 610 + XFillRectangle(dpy, systray->win, dc.gc, 0, 0, w, bh); 611 + XSync(dpy, False); 612 +} 613 + 614 +void 615 updatewindowtype(Client *c) { 616 Atom state = getatomprop(c, netatom[NetWMState]); 617 Atom wtype = getatomprop(c, netatom[NetWMWindowType]); 618 @@ -2119,6 +2413,16 @@ 619 return selmon; 620 } 621 622 +Client * 623 +wintosystrayicon(Window w) { 624 + Client *i = NULL; 625 + 626 + if(!showsystray || !w) 627 + return i; 628 + for(i = systray->icons; i && i->win != w; i = i->next) ; 629 + return i; 630 +} 631 + 632 /* There's no way to check accesses to destroyed windows, thus those cases are 633 * ignored (especially on UnmapNotify's). Other types of errors call Xlibs 634 * default error handler, which may call exit. */