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-rw-r--r--calmwm.h3
-rw-r--r--client.c23
-rw-r--r--xutil.c1
3 files changed, 26 insertions, 1 deletions
diff --git a/calmwm.h b/calmwm.h
index 75f56ea..9885117 100644
--- a/calmwm.h
+++ b/calmwm.h
@@ -527,7 +527,8 @@ extern struct conf			 Conf;
 #define	_NET_SUPPORTING_WM_CHECK	 cwm_atoms[8]
 #define	_NET_WM_NAME			 cwm_atoms[9]
 #define	_NET_ACTIVE_WINDOW		 cwm_atoms[10]
-#define CWM_NO_ATOMS			 11
+#define _NET_CLIENT_LIST		 cwm_atoms[11]
+#define CWM_NO_ATOMS			 12
 #define CWM_NETWM_START			 7
 
 extern Atom				 cwm_atoms[CWM_NO_ATOMS];
diff --git a/client.c b/client.c
index fed35de..1d4118b 100644
--- a/client.c
+++ b/client.c
@@ -114,6 +114,9 @@ client_new(Window win, struct screen_ctx *sc, int mapped)
 
 	TAILQ_INSERT_TAIL(&sc->mruq, cc, mru_entry);
 	TAILQ_INSERT_TAIL(&Clientq, cc, entry);
+	/* append to the client list */
+	XChangeProperty(X_Dpy, sc->rootwin, _NET_CLIENT_LIST, XA_WINDOW, 32,
+	    PropModeAppend,  (unsigned char *)&cc->win, 1);
 
 	client_gethints(cc);
 	client_update(cc);
@@ -128,7 +131,10 @@ int
 client_delete(struct client_ctx *cc)
 {
 	struct screen_ctx	*sc = cc->sc;
+	struct client_ctx	*tcc;
 	struct winname		*wn;
+	Window			*winlist;
+	int			 i, j;
 
 	group_client_delete(cc);
 
@@ -141,6 +147,23 @@ client_delete(struct client_ctx *cc)
 
 	TAILQ_REMOVE(&sc->mruq, cc, mru_entry);
 	TAILQ_REMOVE(&Clientq, cc, entry);
+	/*
+	 * Sadly we can't remove just one entry from a property, so we must
+	 * redo the whole thing from scratch. this is the stupid way, the other
+	 * way incurs many roundtrips to the server.
+	 */
+	i = j = 0;
+	TAILQ_FOREACH(tcc, &Clientq, entry)
+		i++;
+	if (i > 0) {
+		winlist = xmalloc(i * sizeof(*winlist));
+		TAILQ_FOREACH(tcc, &Clientq, entry)
+			winlist[j++] = tcc->win;
+		XChangeProperty(X_Dpy, sc->rootwin, _NET_CLIENT_LIST,
+		    XA_WINDOW, 32, PropModeReplace,
+		    (unsigned char *)winlist, i);
+		xfree(winlist);
+	}
 
 	if (_curcc == cc)
 		client_none(sc);
diff --git a/xutil.c b/xutil.c
index d4e4f62..6b191ff 100644
--- a/xutil.c
+++ b/xutil.c
@@ -182,6 +182,7 @@ char 		*atoms[CWM_NO_ATOMS] = {
 	"_NET_SUPPORTING_WM_CHECK",
 	"_NET_WM_NAME",
 	"_NET_ACTIVE_WINDOW",
+	"_NET_CLIENT_LIST",
 };
 
 void