WM_CLASS is a standard ICCCM property which is used to identify windows. Window managers and compositors use it to allow per-application configurable behavior. --- Thanks, Devin, that's much cleaner.
dmenu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/dmenu.c b/dmenu.c index d605ab4..85e5060 100644 --- a/dmenu.c +++ b/dmenu.c @@ -545,6 +545,7 @@ setup(void) XIM xim; Window w, dw, *dws; XWindowAttributes wa; + XClassHint ch = {"dmenu", "dmenu"}; #ifdef XINERAMA XineramaScreenInfo *info; Window pw; @@ -613,6 +614,7 @@ setup(void) win = XCreateWindow(dpy, parentwin, x, y, mw, mh, 0, CopyFromParent, CopyFromParent, CopyFromParent, CWOverrideRedirect | CWBackPixel | CWEventMask, &swa); + XSetClassHint(dpy, win, &ch); /* open input methods */ xim = XOpenIM(dpy, NULL, NULL, NULL); -- 2.15.0