As documented here: http://standards.freedesktop.org/wm-spec/wm-spec-1.3.html#idm140130317670464 ---
I developed this in the hopes that it would fix issues with feh running fullscreen. It didn't help with that (feh using the innacurate _MOTIF_WM_HINTS method) but it should at least stop gtk+ 3.3.8+ from polling regularly for WM features. The change to gtk+ is discussed here: https://bugzilla.gnome.org/show_bug.cgi?id=666921 dwm.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/dwm.c b/dwm.c index 169adcb..1e53a68 100644 --- a/dwm.c +++ b/dwm.c @@ -62,7 +62,7 @@ enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */ enum { SchemeNorm, SchemeSel, SchemeLast }; /* color schemes */ enum { NetSupported, NetWMName, NetWMState, NetWMFullscreen, NetActiveWindow, NetWMWindowType, - NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */ + NetWMWindowTypeDialog, NetClientList, NetSupportingWMCheck, NetLast }; /* EWMH atoms */ enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */ enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle, ClkClientWin, ClkRootWin, ClkLast }; /* clicks */ @@ -1526,6 +1526,7 @@ 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); + netatom[NetSupportingWMCheck] = XInternAtom(dpy, "_NET_SUPPORTING_WM_CHECK", False); /* init cursors */ cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr); cursor[CurResize] = drw_cur_create(drw, XC_sizing); @@ -1744,6 +1745,12 @@ updatebars(void) { m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen), CopyFromParent, DefaultVisual(dpy, screen), CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa); + XChangeProperty(dpy, root, netatom[NetSupportingWMCheck], XA_WINDOW, 32, + PropModeReplace, (unsigned char *) &(m->barwin), 1); + XChangeProperty(dpy, m->barwin, netatom[NetSupportingWMCheck], XA_WINDOW, 32, + PropModeReplace, (unsigned char *) &(m->barwin), 1); + XChangeProperty(dpy, m->barwin, netatom[NetWMName], XA_STRING, 8, + PropModeReplace, (unsigned char *) "dwm", 3); XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor); XMapRaised(dpy, m->barwin); } -- 2.1.4
